file
stringlengths 18
26
| data
stringlengths 3
1.04M
|
|---|---|
the_stack_data/78683.c
|
#include <stdio.h>
int main(void)
{
int n, i, sum = 0;
printf("enter n\n");
scanf("%d", &n);
for(i = 1; i < n; i++)
{
if(n % i == 0)
sum = sum + i;
}
if(n == sum)
printf("Entered no. is a perfect no.\n");
else
printf("Entered no. is not a perfect no.\n");
return 0;
}
|
the_stack_data/884520.c
|
#include<stdio.h>
float vol (float a , float l , float c ){
float res = a*c*l;
return res;
}
int main(void){
float larg,alt,comp;
scanf("%f%f%f",&larg,&alt,&comp);
float volume = vol(larg,comp,alt);
printf("\n%0.2f",volume);
return 0;
}
|
the_stack_data/797282.c
|
int pnpoly(int nvert, float *vertx, float *verty, float testx, float testy)
{
int i, j, c = 0;
for (i = 0, j = nvert - 1; i < nvert; j = i++)
{
if (((verty[i] > testy) != (verty[j] > testy)) &&
(testx < (vertx[j] - vertx[i]) * (testy - verty[i]) / (verty[j] - verty[i]) + vertx[i]))
c = !c;
}
return c;
}
// Argument Meaning
// nvert Number of vertices in the polygon. Whether to repeat the first vertex at the end is discussed below.
// vertx, verty np.arrays containing the x- and y-coordinates of the polygon's vertices.
// testx, testy X- and y-coordinate of the test point.
|
the_stack_data/680033.c
|
/*
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...
By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
*/
#include <stdio.h>
#include <stdlib.h>
#define MAX 4000000
int main(){
int sumTotal = 0;
int current = 1;
int last = 0;
printf("Fibonacci Sequence: ");
while(current < MAX){
if(current + last > MAX){break;}
int aux = last;
last = current;
current += aux;
if(current % 2 == 0){
sumTotal += current;
}
printf("%d ", current);
}
printf("\n");
printf("Total is: %d \n", sumTotal);
return 0;
}
|
the_stack_data/87289.c
|
#include <stdio.h>
int max2(int x, int y);
int main(){
int x, y;
scanf("%d%d", &x, &y);
printf("%d\n", max2(x, y));
return 0;
}
|
the_stack_data/66447.c
|
#include<stdio.h>
int main ()
{
double a, b, c, d, x1, x2;
printf("Enter a: ");
scanf("%lf", &a);
printf("Enter b: ");
scanf("%lf", &b);
printf("Enter c: ");
scanf("%lf", &c);
d = sqrt(b*b-4*a*c);
x1 = ((-b + d)/2*a);
x2 = ((-b - d)/2*a);
printf("x1 is: %lf\n", x1);
printf("x2 is: %lf\n", x2);
return 0;
}
|
the_stack_data/41301.c
|
#include <stdio.h>
int main(){
int cond = 1, n, x, y, a, b;
while(cond){
scanf("%d", &n);
if(n == 0) break;
scanf("%d %d", &x, &y);
while(n--){
scanf("%d %d", &a, &b);
if(a > x && b > y) printf("NE\n");
else if(a < x && b > y) printf("NO\n");
else if(a < x && b < y) printf("SO\n");
else if(a > x && b < y) printf("SE\n");
else printf("divisa\n");
}
}
return(0);
}
|
the_stack_data/789046.c
|
#if 0
typedef struct _err_error ERR_error;
typedef struct _err_manager ERR_mgr;
typedef unsigned long int STD_uint32;
typedef long STD_int32;
typedef STD_uint32 ERR_code ;
typedef struct _hdl_stream
{
const char * name;
const char * (* format) (struct _hdl_stream * ptthis,const char * fmt,va_list pa);
const char * (* free) (const char * message);
void (* print) (struct _hdl_stream * ptthis,const char * message);
void * data;
} HDL_stream;
#endif
struct _err_error
{
char function [500]; /* fonction ou s'est produite l'erreur */
//char file [500]; /* fichier ou s'est produite l'erreur */
//char description [500]; /* texte personalise de l'erreur eventuellement */
//STD_uint32 line; /* ligne dans le code ou on a generer l'erreur */
//ERR_code code; /* le code de l'erreur generee */
};
struct _err_manager
{
char function[500]; /* fonction ou est cree le manager */
//char file[500]; /* fichier ou est cree le manager */
//STD_uint32 line; /* ligne dans le code */
//ALGMEM_allocator * mallocated; /* allocateur */
struct _err_pile
{
struct _err_error * pile; /* pointeur de pile */
//struct _err_error * pile_end; /* fin de la pile */
//struct _err_error pile_tab[50]; /* base de la pile */
} pile;
/* gestion pile */
void (* push)(struct _err_manager * _this,
//const ERR_code code,
//const STD_uint32 line,
//const char * file,
const char * function);
//void (* pop)(struct _err_manager * _this);
//ERR_error * (* top)(const struct _err_manager * _this);
//STD_int32 (* occured)(const struct _err_manager * _this);
//STD_int32 (* top_is)(const struct _err_manager * _this,const ERR_code code);
//void (* format_message)(struct _err_manager * _this/*, const ERR_error * error*/);
//char message[500];
//HDL_stream * message_stream;
} ;
void ERR_mgr_ctor(//ERR_mgr * mgr,
//HDL_stream * message_stream,
//const STD_uint32 line,
const char * file,
const char * function);
void ERR_mgr_dtor(/*ERR_mgr * emgr*/);
|
the_stack_data/168893547.c
|
/*BEGIN_LEGAL
Intel Open Source License
Copyright (c) 2002-2017 Intel Corporation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer. Redistributions
in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution. Neither the name of
the Intel Corporation nor the names of its contributors may be used to
endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR
ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
END_LEGAL */
/*
* Expanded from just testing ret far to include tests for
* a number of other instructions with implicit registers
*/
#include <stdio.h>
typedef unsigned long long UINT64;
typedef signed long long INT64;
typedef unsigned int UINT32;
typedef unsigned short UINT16;
extern int btc (char *, UINT32);
static int bitValue(char * buffer, UINT32 index)
{
UINT32 byteOffs = index>>3;
UINT32 bitNo = index&7;
return (buffer[byteOffs] & (1<<bitNo)) != 0;
}
int main()
{
char buffer[128];
int i;
int bitNo;
int errors = 0;
for (i=0; i<128; i++)
{
buffer[i] = (char)-1;
}
// Flip the bits to zero using btc
for (bitNo = 128*8-1; bitNo >= 0; bitNo-=63)
{
int res = btc(&buffer[0], bitNo);
if (res & 2)
{
fprintf (stderr, "Bit index register corrupted by btc\n");
errors++;
}
if (res & 1)
{
if (bitValue(&buffer[0], bitNo) != 0)
{
fprintf (stderr, "Bit %d not cleared by btc\n", bitNo);
errors++;
}
}
else
{
errors++;
fprintf (stderr, "Bit %d not seen as set by btc\n", bitNo);
}
}
// Flip the bits back to one using bts
for (bitNo = 128*8-1; bitNo >= 0; bitNo-=63)
{
if (bts(&buffer[0], bitNo) == 0)
{
if (bitValue(&buffer[0], bitNo) != 1)
{
fprintf (stderr, "Bit %d not set by bts\n", bitNo);
errors++;
}
}
else
{
errors++;
fprintf (stderr, "Bit %d not seen as clear by bts\n", bitNo);
}
}
// Flip the bits back to zero using btr
for (bitNo = 128*8-1; bitNo >= 0; bitNo-=63)
{
if (btr(&buffer[0], bitNo) == 1)
{
if (bitValue(&buffer[0], bitNo) != 0)
{
fprintf (stderr, "Bit %d not cleared by btr\n", bitNo);
errors++;
}
}
else
{
errors++;
fprintf (stderr, "Bit %d not seen as set by btr\n", bitNo);
}
}
// Check that they are zero using bt
for (bitNo = 128*8-1; bitNo >= 0; bitNo-=63)
{
if (bt(&buffer[0], bitNo) != 0)
{
errors++;
fprintf (stderr, "Bit %d not seen as clear by bt\n", bitNo);
}
}
if (errors == 0)
{
fprintf(stderr, "All OK\n");
return 0;
}
else
{
fprintf(stderr, "%d errors\n", errors);
return errors;
}
}
|
the_stack_data/40089.c
|
#include <stdio.h>
#include <string.h>
char s1[1000009], s2[1000009];
int s2_fail[1000009];
void get_fail(int *fail, const char *str);
void kmp_cmp(const char *str1, const char *str2);
int main(void)
{
int i;
scanf("%s%s", s1, s2);
kmp_cmp(s1, s2);
for (i = 1; s2[i - 1] != '\0'; ++i)
printf("%d ", s2_fail[i]);
putchar('\n');
return 0;
}
void get_fail(int *fail, const char *str)
{
int i, j;
fail[0] = 0;
j = fail[0];
for (i = 1; str[i] != '\0'; ++i) {
while (j != fail[0] && str[i] != str[j])
j = fail[j];
if (str[i] == str[j])
++j;
fail[i + 1] = j;
}
}
void kmp_cmp(const char *str1, const char *str2)
{
int i, j, s2len = strlen(str2);
get_fail(s2_fail, str2);
j = 0;
for (i = 0; str1[i] != '\0'; ++i) {
while (j != s2_fail[0] && str2[j] != str1[i])
j = s2_fail[j];
if (str1[i] == str2[j])
++j;
if (str2[j] == '\0')
printf("%d\n", i - s2len + 2);
}
}
|
the_stack_data/148538.c
|
#include <stdio.h>
int main() { printf("Hello World!\n"); }
|
the_stack_data/86101.c
|
//
// DO NOT EDIT -- auto-generated file
//
// This file is generated by the vfrcompiler utility
//
unsigned char PlatformFormsBin[] = {
// ARRAY LENGTH
0xB2, 0x00, 0x00, 0x00,
// PACKAGE HEADER
0xAE, 0x00, 0x00, 0x02,
// PACKAGE DATA
0x0E, 0xA7, 0x1C, 0xC5, 0x35, 0x72, 0x80, 0x0C, 0xAB, 0x4C, 0x87, 0xAC, 0x3B, 0x08, 0x4A, 0x63,
0x04, 0xB1, 0x02, 0x00, 0x03, 0x00, 0x01, 0x71, 0x99, 0x03, 0x93, 0x45, 0x85, 0x04, 0x4B, 0xB4,
0x5E, 0x32, 0xEB, 0x83, 0x26, 0x04, 0x0E, 0x5C, 0x06, 0x00, 0x00, 0x00, 0x00, 0x5C, 0x06, 0x00,
0x00, 0x01, 0x00, 0x24, 0x24, 0x1C, 0xC5, 0x35, 0x72, 0x80, 0x0C, 0xAB, 0x4C, 0x87, 0xAC, 0x3B,
0x08, 0x4A, 0x63, 0x04, 0xB1, 0x01, 0x00, 0x24, 0x00, 0x4D, 0x61, 0x69, 0x6E, 0x46, 0x6F, 0x72,
0x6D, 0x53, 0x74, 0x61, 0x74, 0x65, 0x00, 0x01, 0x86, 0x01, 0x00, 0x04, 0x00, 0x1C, 0x90, 0x05,
0x00, 0x06, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x00, 0x29, 0x02, 0x5F,
0x15, 0x35, 0x17, 0x0B, 0x0F, 0xA0, 0x87, 0x93, 0x41, 0xB2, 0x66, 0x53, 0x8C, 0x38, 0xAF, 0x48,
0xCE, 0x00, 0x01, 0x00, 0x0C, 0x8F, 0x09, 0x00, 0x09, 0x00, 0x03, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0x04, 0x00, 0x00, 0x29, 0x02, 0x0C, 0x8F, 0x0A, 0x00, 0x0A, 0x00, 0x04, 0x00, 0x00, 0x00, 0xFF,
0xFF, 0x04, 0x00, 0x00, 0x29, 0x02, 0x29, 0x02, 0x29, 0x02
};
|
the_stack_data/29943.c
|
/*
* Copyright (c) 2003-2021 Ke Hengzhong <[email protected]>
* All rights reserved. See MIT LICENSE for redistribution.
*/
#ifdef UNIX
#include "btype.h"
#include "tsock.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#define QLEN 100
#define TMP_PATH "/tmp/cdn.XXXXXX"
/* Create a server endpoint of a connection.
* Returns fd if all OK, <0 on error. */
int usock_create (const char *name)
{
int fd, len, err, rval;
struct sockaddr_un un;
/* create a UNIX domain stream socket */
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
return -1;
len = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&len, sizeof(len)) < 0) {
rval = -4;
goto errout;
}
unlink(name); /* in case it already exists */
/* fill in socket address structure */
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strcpy(un.sun_path, name);
len = sizeof(un.sun_family) + strlen(un.sun_path);
/* bind the name to the descriptor */
if (bind(fd, (struct sockaddr *)&un, len) < 0) {
rval = -2;
goto errout;
}
if (listen(fd, QLEN) < 0) { /* tell kernel we're a server */
rval = -3;
goto errout;
}
chmod(name, 0777);
return fd;
errout:
err = errno;
close(fd);
errno = err;
return rval;
}
/* Accept a client connection request.
* Returns fd if all OK, <0 on error. */
int usock_accept (int listenfd)
{
int clifd, len, err, rval;
struct sockaddr_un un;
struct stat statbuf;
len = sizeof(un);
if ((clifd = accept(listenfd, (struct sockaddr *)&un, (socklen_t *)&len)) < 0)
return -1; /* often errno=EINTR, if signal caught */
len -= sizeof(un.sun_family);
if (len >= 0) un.sun_path[len] = 0;
if (stat(un.sun_path, &statbuf) < 0) {
rval = -2;
goto errout;
}
if (S_ISSOCK(statbuf.st_mode) == 0) {
rval = -3; /* not a socket */
goto errout;
}
unlink(un.sun_path); /* we're done with pathname now */
return(clifd);
errout:
err = errno;
close(clifd);
errno = err;
return(rval);
}
/* Create a client endpoint and connect to a server.
* Returns fd if all OK, <0 on error. */
int usock_connect (const char *name)
{
int fd, len, err, rval;
struct sockaddr_un un;
/* create a UNIX domain stream socket */
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
return(-1);
#if 0
/* fill socket address structure with our address */
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
sprintf(un.sun_path, "%s", TMP_PATH);
mkstemp(un.sun_path);
len = sizeof(un.sun_family) + strlen(un.sun_path);
unlink(un.sun_path); /* in case it already exists */
if (bind(fd, (struct sockaddr *)&un, len) < 0) {
rval = -2;
goto errout;
}
#endif
/* fill socket address structure with server's address */
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strcpy(un.sun_path, name);
len = sizeof(un.sun_family) + strlen(un.sun_path);
if (connect(fd, (struct sockaddr *)&un, len) < 0) {
rval = -4;
goto errout;
}
return(fd);
errout:
err = errno;
close(fd);
errno = err;
return(rval);
}
/* Create a client endpoint and connect to a server.
* Returns fd if all OK, <0 on error. */
int usock_nb_connect (const char * name, int * succ)
{
int fd, len, err;
struct sockaddr_un un;
/* create a UNIX domain stream socket */
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
return -1;
sock_nonblock_set(fd, 1);
/* fill socket address structure with server's address */
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strcpy(un.sun_path, name);
len = sizeof(un.sun_family) + strlen(un.sun_path);
if (connect(fd, (struct sockaddr *)&un, len) == 0) {
if (succ) *succ = 1;
} else {
if (succ) *succ = 0;
if ( errno != 0 &&
errno != EINPROGRESS &&
errno != EALREADY &&
errno != EWOULDBLOCK)
{
goto errout;
}
}
return fd;
errout:
err = errno;
close(fd);
errno = err;
return -1;
}
#endif
|
the_stack_data/1073543.c
|
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define CAPACITY 10
static const unsigned int kNumCycles = 50;
static const unsigned int kProdDelayNs = 1000000;
static const unsigned int kConsDelayNs = 1000000;
pthread_mutex_t mutex;
pthread_cond_t not_full_cv;
pthread_cond_t not_empty_cv;
int values[CAPACITY];
size_t first_available_idx = 0;
void* produce(void* ptid) {
unsigned int i;
long tid = (long)ptid;
printf("produce %ld\n", tid);
for (i = 0; i < kNumCycles; i++) {
pthread_mutex_lock(&mutex);
if (first_available_idx == CAPACITY) {
/* No more space available in the shared buffer,
* wait until the buffer is not full anymore.
*/
printf("producer: wait(not_full)\n");
pthread_cond_wait(¬_full_cv, &mutex);
}
values[first_available_idx] = i;
printf("producer: cycle %u, index %lu, value %d\n", i, first_available_idx,
values[first_available_idx]);
++first_available_idx;
if (first_available_idx == 1) {
/* Produced the first element in the shared buffer,
* signal that the buffer is not empty anymore.
*/
printf("producer: signal(not_empty)\n");
pthread_cond_signal(¬_empty_cv);
}
pthread_mutex_unlock(&mutex);
struct timespec t;
t.tv_sec = 0;
t.tv_nsec = kProdDelayNs;
nanosleep(&t, NULL);
}
pthread_exit(NULL);
}
void* consume(void* ctid) {
long tid = (long)ctid;
printf("consumer %ld\n", tid);
for (unsigned int i = 0; i < kNumCycles; i++) {
pthread_mutex_lock(&mutex);
if (first_available_idx == 0) {
/* No elements available in the shared buffer,
* wait until the buffer is not empty anymore.
*/
printf("consumer: wait(not_empty)\n");
pthread_cond_wait(¬_empty_cv, &mutex);
}
--first_available_idx;
printf("consumer cycle %u, index %lu, value %d\n", i, first_available_idx,
values[first_available_idx]);
if (first_available_idx == CAPACITY - 1) {
/* Consumed the last element in the shared buffer,
* signal that the buffer is not full anymore.
*/
printf("consumer: signal(not_full)\n");
pthread_cond_signal(¬_full_cv);
}
pthread_mutex_unlock(&mutex);
struct timespec t;
t.tv_sec = 0;
t.tv_nsec = kConsDelayNs;
nanosleep(&t, NULL);
}
pthread_exit(NULL);
}
int main(int argc, char* argv[]) {
pthread_t workers[2];
pthread_attr_t attr;
/* Initialize mutex and condition variable objects. */
pthread_mutex_init(&mutex, NULL);
pthread_cond_init(¬_full_cv, NULL);
pthread_cond_init(¬_empty_cv, NULL);
long ptid = 0;
long ctid = 1;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
pthread_create(&workers[0], &attr, produce, (void*)ptid);
pthread_create(&workers[1], &attr, consume, (void*)ctid);
pthread_join(workers[0], NULL);
pthread_join(workers[1], NULL);
/* Clean up and exit. */
pthread_mutex_destroy(&mutex);
pthread_cond_destroy(¬_full_cv);
pthread_cond_destroy(¬_empty_cv);
pthread_exit(NULL);
}
|
the_stack_data/165766839.c
|
#ifndef TH_GENERIC_FILE
#define TH_GENERIC_FILE "generic/SpatialConvolution.c"
#else
static int nn_(SpatialConvolution_updateOutput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_Tensor);
int dW = luaT_getfieldcheckint(L, 1, "dW");
int dH = luaT_getfieldcheckint(L, 1, "dH");
THTensor *weight = luaT_getfieldcheckudata(L, 1, "weight", torch_Tensor);
THTensor *bias = luaT_getfieldcheckudata(L, 1, "bias", torch_Tensor);
THTensor *output = luaT_getfieldcheckudata(L, 1, "output", torch_Tensor);
luaL_argcheck(L, input->nDimension == 3 || input->nDimension == 4, 2, "3D or 4D(batch mode) tensor expected");
int dimw = 2;
int dimh = 1;
if (input->nDimension == 4) {
dimw++;
dimh++;
}
long nOutputPlane = weight->size[0];
long kW = weight->size[3];
long kH = weight->size[2];
long inputWidth = input->size[dimw];
long inputHeight = input->size[dimh];
long outputWidth = (inputWidth - kW) / dW + 1;
long outputHeight = (inputHeight - kH) / dH + 1;
if (input->nDimension == 3)
{
THTensor_(resize3d)(output, nOutputPlane, outputHeight, outputWidth);
/* add bias */
long i;
/*THTensor *outn = THTensor_(new)();*/
real* bias_data = THTensor_(data)(bias);
real* output_data = THTensor_(data)(output);
#pragma omp parallel for private(i)
for (i=0; i<bias->size[0]; i++)
{
/*THTensor_(select)(outn,output,0,i);*/
/*TH_TENSOR_APPLY(real,outn, *outn_data = bias_data[i];);*/
real *ptr_output = output_data + i*outputWidth*outputHeight;
long j;
for(j = 0; j < outputWidth*outputHeight; j++)
ptr_output[j] = bias_data[i];
}
/*THTensor_(free)(outn);*/
/* do convolutions */
THTensor_(conv2Dmv)(output, 1.0, 1.0, input, weight, dH, dW, "V","X");
}
else
{
THTensor_(resize4d)(output, input->size[0], nOutputPlane, outputHeight, outputWidth);
real* bias_data = THTensor_(data)(bias);
real* output_data = THTensor_(data)(output);
long p;
#pragma omp parallel for private(p)
for (p=0; p<input->size[0]; p++)
{
/* BIAS */
long i;
for (i=0; i<bias->size[0]; i++)
{
real *ptr_output = output_data + p*nOutputPlane*outputWidth*outputHeight + i*outputWidth*outputHeight;
long j;
for(j = 0; j < outputWidth*outputHeight; j++)
ptr_output[j] = bias_data[i];
}
}
/* do convolutions */
THTensor_(conv2Dmm)(output, 1.0, 1.0, input, weight, dH, dW, "V","X");
}
return 1;
}
static int nn_(SpatialConvolution_updateGradInput)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_Tensor);
THTensor *gradOutput = luaT_checkudata(L, 3, torch_Tensor);
int dW = luaT_getfieldcheckint(L, 1, "dW");
int dH = luaT_getfieldcheckint(L, 1, "dH");
int nOutputPlane = luaT_getfieldcheckint(L, 1, "nOutputPlane");
THTensor *weight = luaT_getfieldcheckudata(L, 1, "weight", torch_Tensor);
THTensor *gradInput = luaT_getfieldcheckudata(L, 1, "gradInput", torch_Tensor);
THArgCheck( nOutputPlane == gradOutput->size[input->nDimension == 4 ? 1 : 0], 1, "Number of output features is not equal to nOutputPlane" );
/* gradient to input */
THTensor *tweight = THTensor_(newTranspose)(weight,0,1);
if (input->nDimension == 3)
{
THTensor_(conv2Dmv)(gradInput, 0.0, 1.0, gradOutput, tweight, dH, dW, "F","C");
}
else
{
THTensor_(conv2Dmm)(gradInput, 0.0, 1.0, gradOutput, tweight, dH, dW, "F","C");
}
THTensor_(free)(tweight);
return 1;
}
static int nn_(SpatialConvolution_accGradParameters)(lua_State *L)
{
THTensor *input = luaT_checkudata(L, 2, torch_Tensor);
THTensor *gradOutput = luaT_checkudata(L, 3, torch_Tensor);
real scale = luaL_optnumber(L, 4, 1);
int dW = luaT_getfieldcheckint(L, 1, "dW");
int dH = luaT_getfieldcheckint(L, 1, "dH");
int nOutputPlane = luaT_getfieldcheckint(L, 1, "nOutputPlane");
THTensor *gradWeight = luaT_getfieldcheckudata(L, 1, "gradWeight", torch_Tensor);
THTensor *gradBias = luaT_getfieldcheckudata(L, 1, "gradBias", torch_Tensor);
THArgCheck( nOutputPlane == gradOutput->size[input->nDimension == 4 ? 1 : 0], 1, "Number of output features is not equal to nOutputPlane" );
int dimw = 2;
int dimh = 1;
if (input->nDimension == 4)
{
dimw++;
dimh++;
}
/* gradient to bias */
real *gradBias_data = THTensor_(data)(gradBias);
real *gradOutput_data = THTensor_(data)(gradOutput);
long noutSlice = gradOutput->size[dimh]*gradOutput->size[dimw];
/*THTensor* gradOutSlice = THTensor_(new)();*/
if (input->nDimension == 3)
{
long k;
#pragma omp parallel for private(k)
for(k = 0; k < nOutputPlane; k++)
{
/*THTensor_(select)(gradOutSlice, gradOutput, 0, k);*/
real *ptr_gradOutput = gradOutput_data + k*noutSlice;
long l;
for(l = 0; l < noutSlice; l++)
gradBias_data[k] += scale*ptr_gradOutput[l];
}
/* gradient to kernels */
THTensor_(conv2DRevger)(gradWeight, 1.0, scale, input, gradOutput, dH, dW);
}
else
{
long k;
#pragma omp parallel for private(k)
for(k = 0; k < nOutputPlane; k++)
{
long p;
for(p = 0; p < input->size[0]; p++)
{
/* BIAS */
real *ptr_gradOutput = gradOutput_data + p*nOutputPlane*noutSlice + k*noutSlice;
long l;
for(l = 0; l < noutSlice; l++)
gradBias_data[k] += scale*ptr_gradOutput[l];
}
}
/* gradient to kernels */
THTensor_(conv2DRevgerm)(gradWeight, 1.0, scale, input, gradOutput, dH, dW);
}
return 0;
}
static const struct luaL_Reg nn_(SpatialConvolution__) [] = {
{"SpatialConvolution_updateOutput", nn_(SpatialConvolution_updateOutput)},
{"SpatialConvolution_updateGradInput", nn_(SpatialConvolution_updateGradInput)},
{"SpatialConvolution_accGradParameters", nn_(SpatialConvolution_accGradParameters)},
{NULL, NULL}
};
static void nn_(SpatialConvolution_init)(lua_State *L)
{
luaT_pushmetatable(L, torch_Tensor);
luaT_registeratname(L, nn_(SpatialConvolution__), "nn");
lua_pop(L,1);
}
#endif
|
the_stack_data/564705.c
|
// Copyright (c) 2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <stdint.h>
#include <string.h>
/** Initialize RIPEMD-160 state. */
static void inline initialize(uint32_t* s)
{
s[0] = 0x67452301ul;
s[1] = 0xEFCDAB89ul;
s[2] = 0x98BADCFEul;
s[3] = 0x10325476ul;
s[4] = 0xC3D2E1F0ul;
}
static uint32_t inline f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; }
static uint32_t inline f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); }
static uint32_t inline f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; }
static uint32_t inline f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); }
static uint32_t inline f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); }
static uint32_t inline rol(uint32_t x, int i) { return (x << i) | (x >> (32 - i)); }
static void inline round(uint32_t *a, uint32_t b, uint32_t *c, uint32_t d, uint32_t e, uint32_t f, uint32_t x, uint32_t k, int r)
{
*a = rol(*a + f + x + k, r) + e;
*c = rol(*c, 10);
}
static void inline R11(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f1(b, *c, d), x, 0, r); }
static void inline R21(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f2(b, *c, d), x, 0x5A827999ul, r); }
static void inline R31(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f3(b, *c, d), x, 0x6ED9EBA1ul, r); }
static void inline R41(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f4(b, *c, d), x, 0x8F1BBCDCul, r); }
static void inline R51(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f5(b, *c, d), x, 0xA953FD4Eul, r); }
static void inline R12(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f5(b, *c, d), x, 0x50A28BE6ul, r); }
static void inline R22(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f4(b, *c, d), x, 0x5C4DD124ul, r); }
static void inline R32(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f3(b, *c, d), x, 0x6D703EF3ul, r); }
static void inline R42(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f2(b, *c, d), x, 0x7A6D76E9ul, r); }
static void inline R52(uint32_t* a, uint32_t b, uint32_t* c, uint32_t d, uint32_t e, uint32_t x, int r) { round(a, b, c, d, e, f1(b, *c, d), x, 0, r); }
#define read32(p) (*((uint32_t *)(p)))
/** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
static void transform(uint32_t* s, const unsigned char* chunk)
{
uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4];
uint32_t a2 = a1, b2 = b1, c2 = c1, d2 = d1, e2 = e1;
uint32_t w0 = read32(chunk + 0), w1 = read32(chunk + 4), w2 = read32(chunk + 8), w3 = read32(chunk + 12);
uint32_t w4 = read32(chunk + 16), w5 = read32(chunk + 20), w6 = read32(chunk + 24), w7 = read32(chunk + 28);
uint32_t w8 = read32(chunk + 32), w9 = read32(chunk + 36), w10 = read32(chunk + 40), w11 = read32(chunk + 44);
uint32_t w12 = read32(chunk + 48), w13 = read32(chunk + 52), w14 = read32(chunk + 56), w15 = read32(chunk + 60);
R11(&a1, b1, &c1, d1, e1, w0, 11);
R12(&a2, b2, &c2, d2, e2, w5, 8);
R11(&e1, a1, &b1, c1, d1, w1, 14);
R12(&e2, a2, &b2, c2, d2, w14, 9);
R11(&d1, e1, &a1, b1, c1, w2, 15);
R12(&d2, e2, &a2, b2, c2, w7, 9);
R11(&c1, d1, &e1, a1, b1, w3, 12);
R12(&c2, d2, &e2, a2, b2, w0, 11);
R11(&b1, c1, &d1, e1, a1, w4, 5);
R12(&b2, c2, &d2, e2, a2, w9, 13);
R11(&a1, b1, &c1, d1, e1, w5, 8);
R12(&a2, b2, &c2, d2, e2, w2, 15);
R11(&e1, a1, &b1, c1, d1, w6, 7);
R12(&e2, a2, &b2, c2, d2, w11, 15);
R11(&d1, e1, &a1, b1, c1, w7, 9);
R12(&d2, e2, &a2, b2, c2, w4, 5);
R11(&c1, d1, &e1, a1, b1, w8, 11);
R12(&c2, d2, &e2, a2, b2, w13, 7);
R11(&b1, c1, &d1, e1, a1, w9, 13);
R12(&b2, c2, &d2, e2, a2, w6, 7);
R11(&a1, b1, &c1, d1, e1, w10, 14);
R12(&a2, b2, &c2, d2, e2, w15, 8);
R11(&e1, a1, &b1, c1, d1, w11, 15);
R12(&e2, a2, &b2, c2, d2, w8, 11);
R11(&d1, e1, &a1, b1, c1, w12, 6);
R12(&d2, e2, &a2, b2, c2, w1, 14);
R11(&c1, d1, &e1, a1, b1, w13, 7);
R12(&c2, d2, &e2, a2, b2, w10, 14);
R11(&b1, c1, &d1, e1, a1, w14, 9);
R12(&b2, c2, &d2, e2, a2, w3, 12);
R11(&a1, b1, &c1, d1, e1, w15, 8);
R12(&a2, b2, &c2, d2, e2, w12, 6);
R21(&e1, a1, &b1, c1, d1, w7, 7);
R22(&e2, a2, &b2, c2, d2, w6, 9);
R21(&d1, e1, &a1, b1, c1, w4, 6);
R22(&d2, e2, &a2, b2, c2, w11, 13);
R21(&c1, d1, &e1, a1, b1, w13, 8);
R22(&c2, d2, &e2, a2, b2, w3, 15);
R21(&b1, c1, &d1, e1, a1, w1, 13);
R22(&b2, c2, &d2, e2, a2, w7, 7);
R21(&a1, b1, &c1, d1, e1, w10, 11);
R22(&a2, b2, &c2, d2, e2, w0, 12);
R21(&e1, a1, &b1, c1, d1, w6, 9);
R22(&e2, a2, &b2, c2, d2, w13, 8);
R21(&d1, e1, &a1, b1, c1, w15, 7);
R22(&d2, e2, &a2, b2, c2, w5, 9);
R21(&c1, d1, &e1, a1, b1, w3, 15);
R22(&c2, d2, &e2, a2, b2, w10, 11);
R21(&b1, c1, &d1, e1, a1, w12, 7);
R22(&b2, c2, &d2, e2, a2, w14, 7);
R21(&a1, b1, &c1, d1, e1, w0, 12);
R22(&a2, b2, &c2, d2, e2, w15, 7);
R21(&e1, a1, &b1, c1, d1, w9, 15);
R22(&e2, a2, &b2, c2, d2, w8, 12);
R21(&d1, e1, &a1, b1, c1, w5, 9);
R22(&d2, e2, &a2, b2, c2, w12, 7);
R21(&c1, d1, &e1, a1, b1, w2, 11);
R22(&c2, d2, &e2, a2, b2, w4, 6);
R21(&b1, c1, &d1, e1, a1, w14, 7);
R22(&b2, c2, &d2, e2, a2, w9, 15);
R21(&a1, b1, &c1, d1, e1, w11, 13);
R22(&a2, b2, &c2, d2, e2, w1, 13);
R21(&e1, a1, &b1, c1, d1, w8, 12);
R22(&e2, a2, &b2, c2, d2, w2, 11);
R31(&d1, e1, &a1, b1, c1, w3, 11);
R32(&d2, e2, &a2, b2, c2, w15, 9);
R31(&c1, d1, &e1, a1, b1, w10, 13);
R32(&c2, d2, &e2, a2, b2, w5, 7);
R31(&b1, c1, &d1, e1, a1, w14, 6);
R32(&b2, c2, &d2, e2, a2, w1, 15);
R31(&a1, b1, &c1, d1, e1, w4, 7);
R32(&a2, b2, &c2, d2, e2, w3, 11);
R31(&e1, a1, &b1, c1, d1, w9, 14);
R32(&e2, a2, &b2, c2, d2, w7, 8);
R31(&d1, e1, &a1, b1, c1, w15, 9);
R32(&d2, e2, &a2, b2, c2, w14, 6);
R31(&c1, d1, &e1, a1, b1, w8, 13);
R32(&c2, d2, &e2, a2, b2, w6, 6);
R31(&b1, c1, &d1, e1, a1, w1, 15);
R32(&b2, c2, &d2, e2, a2, w9, 14);
R31(&a1, b1, &c1, d1, e1, w2, 14);
R32(&a2, b2, &c2, d2, e2, w11, 12);
R31(&e1, a1, &b1, c1, d1, w7, 8);
R32(&e2, a2, &b2, c2, d2, w8, 13);
R31(&d1, e1, &a1, b1, c1, w0, 13);
R32(&d2, e2, &a2, b2, c2, w12, 5);
R31(&c1, d1, &e1, a1, b1, w6, 6);
R32(&c2, d2, &e2, a2, b2, w2, 14);
R31(&b1, c1, &d1, e1, a1, w13, 5);
R32(&b2, c2, &d2, e2, a2, w10, 13);
R31(&a1, b1, &c1, d1, e1, w11, 12);
R32(&a2, b2, &c2, d2, e2, w0, 13);
R31(&e1, a1, &b1, c1, d1, w5, 7);
R32(&e2, a2, &b2, c2, d2, w4, 7);
R31(&d1, e1, &a1, b1, c1, w12, 5);
R32(&d2, e2, &a2, b2, c2, w13, 5);
R41(&c1, d1, &e1, a1, b1, w1, 11);
R42(&c2, d2, &e2, a2, b2, w8, 15);
R41(&b1, c1, &d1, e1, a1, w9, 12);
R42(&b2, c2, &d2, e2, a2, w6, 5);
R41(&a1, b1, &c1, d1, e1, w11, 14);
R42(&a2, b2, &c2, d2, e2, w4, 8);
R41(&e1, a1, &b1, c1, d1, w10, 15);
R42(&e2, a2, &b2, c2, d2, w1, 11);
R41(&d1, e1, &a1, b1, c1, w0, 14);
R42(&d2, e2, &a2, b2, c2, w3, 14);
R41(&c1, d1, &e1, a1, b1, w8, 15);
R42(&c2, d2, &e2, a2, b2, w11, 14);
R41(&b1, c1, &d1, e1, a1, w12, 9);
R42(&b2, c2, &d2, e2, a2, w15, 6);
R41(&a1, b1, &c1, d1, e1, w4, 8);
R42(&a2, b2, &c2, d2, e2, w0, 14);
R41(&e1, a1, &b1, c1, d1, w13, 9);
R42(&e2, a2, &b2, c2, d2, w5, 6);
R41(&d1, e1, &a1, b1, c1, w3, 14);
R42(&d2, e2, &a2, b2, c2, w12, 9);
R41(&c1, d1, &e1, a1, b1, w7, 5);
R42(&c2, d2, &e2, a2, b2, w2, 12);
R41(&b1, c1, &d1, e1, a1, w15, 6);
R42(&b2, c2, &d2, e2, a2, w13, 9);
R41(&a1, b1, &c1, d1, e1, w14, 8);
R42(&a2, b2, &c2, d2, e2, w9, 12);
R41(&e1, a1, &b1, c1, d1, w5, 6);
R42(&e2, a2, &b2, c2, d2, w7, 5);
R41(&d1, e1, &a1, b1, c1, w6, 5);
R42(&d2, e2, &a2, b2, c2, w10, 15);
R41(&c1, d1, &e1, a1, b1, w2, 12);
R42(&c2, d2, &e2, a2, b2, w14, 8);
R51(&b1, c1, &d1, e1, a1, w4, 9);
R52(&b2, c2, &d2, e2, a2, w12, 8);
R51(&a1, b1, &c1, d1, e1, w0, 15);
R52(&a2, b2, &c2, d2, e2, w15, 5);
R51(&e1, a1, &b1, c1, d1, w5, 5);
R52(&e2, a2, &b2, c2, d2, w10, 12);
R51(&d1, e1, &a1, b1, c1, w9, 11);
R52(&d2, e2, &a2, b2, c2, w4, 9);
R51(&c1, d1, &e1, a1, b1, w7, 6);
R52(&c2, d2, &e2, a2, b2, w1, 12);
R51(&b1, c1, &d1, e1, a1, w12, 8);
R52(&b2, c2, &d2, e2, a2, w5, 5);
R51(&a1, b1, &c1, d1, e1, w2, 13);
R52(&a2, b2, &c2, d2, e2, w8, 14);
R51(&e1, a1, &b1, c1, d1, w10, 12);
R52(&e2, a2, &b2, c2, d2, w7, 6);
R51(&d1, e1, &a1, b1, c1, w14, 5);
R52(&d2, e2, &a2, b2, c2, w6, 8);
R51(&c1, d1, &e1, a1, b1, w1, 12);
R52(&c2, d2, &e2, a2, b2, w2, 13);
R51(&b1, c1, &d1, e1, a1, w3, 13);
R52(&b2, c2, &d2, e2, a2, w13, 6);
R51(&a1, b1, &c1, d1, e1, w8, 14);
R52(&a2, b2, &c2, d2, e2, w14, 5);
R51(&e1, a1, &b1, c1, d1, w11, 11);
R52(&e2, a2, &b2, c2, d2, w0, 15);
R51(&d1, e1, &a1, b1, c1, w6, 8);
R52(&d2, e2, &a2, b2, c2, w3, 13);
R51(&c1, d1, &e1, a1, b1, w15, 5);
R52(&c2, d2, &e2, a2, b2, w9, 11);
R51(&b1, c1, &d1, e1, a1, w13, 6);
R52(&b2, c2, &d2, e2, a2, w11, 11);
uint32_t t = s[0];
s[0] = s[1] + c1 + d2;
s[1] = s[2] + d1 + e2;
s[2] = s[3] + e1 + a2;
s[3] = s[4] + a1 + b2;
s[4] = t + b1 + c2;
}
////// RIPEMD160
typedef struct
{
uint32_t s[5];
unsigned char buf[64];
size_t bytes;
} RIPEMD160_CTX;
static void ripemd160_init(RIPEMD160_CTX *cxt)
{
cxt->bytes = 0;
initialize(cxt->s);
}
static void ripemd160_update(RIPEMD160_CTX *cxt, const unsigned char* data,
size_t len)
{
const unsigned char* end = data + len;
size_t bufsize = cxt->bytes % 64;
if (bufsize && bufsize + len >= 64)
{
// Fill the buffer, and process it.
memcpy(cxt->buf + bufsize, data, 64 - bufsize);
cxt->bytes += 64 - bufsize;
data += 64 - bufsize;
transform(cxt->s, cxt->buf);
bufsize = 0;
}
while (end >= data + 64)
{
// Process full chunks directly from the source.
transform(cxt->s, data);
cxt->bytes += 64;
data += 64;
}
if (end > data)
{
// Fill the buffer with what remains.
memcpy(cxt->buf + bufsize, data, end - data);
cxt->bytes += end - data;
}
}
#define write64(p, v) (*((uint64_t *)(p)) = (v))
#define write32(p, v) (*((uint32_t *)(p)) = (v))
static void ripemd160_final(RIPEMD160_CTX *cxt, unsigned char *hash)
{
static const unsigned char pad[64] = {0x80};
unsigned char sizedesc[8];
write64(sizedesc, cxt->bytes << 3);
ripemd160_update(cxt, pad, 1 + ((119 - (cxt->bytes % 64)) % 64));
ripemd160_update(cxt, sizedesc, 8);
write32(hash, cxt->s[0]);
write32(hash + 4, cxt->s[1]);
write32(hash + 8, cxt->s[2]);
write32(hash + 12, cxt->s[3]);
write32(hash + 16, cxt->s[4]);
}
extern void ripemd160(const void *data, size_t len, void *res)
{
RIPEMD160_CTX cxt;
ripemd160_init(&cxt);
ripemd160_update(&cxt, data, len);
ripemd160_final(&cxt, res);
}
|
the_stack_data/64914.c
|
int
foo2 (int y)
{
return y*10;
}
|
the_stack_data/48575434.c
|
/* Example from Head First C.
Downloaded from https://github.com/twcamper/head-first-c
Modified by Allen Downey.
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <wait.h>
void error(char *msg)
{
fprintf(stderr, "%s: %s\n", msg, strerror(errno));
exit(1);
}
int main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "Usage: %s <search phrase>\n", argv[0]);
return 1;
}
const char *PYTHON = "/usr/bin/python2";
const char *SCRIPT = "rssgossip.py";
char *feeds[] = {
"http://www.nytimes.com/services/xml/rss/nyt/Africa.xml",
"http://www.nytimes.com/services/xml/rss/nyt/Americas.xml",
"http://www.nytimes.com/services/xml/rss/nyt/MiddleEast.xml",
"http://www.nytimes.com/services/xml/rss/nyt/Europe.xml",
"http://www.nytimes.com/services/xml/rss/nyt/AsiaPacific.xml"
};
int num_feeds = 5;
char *search_phrase = argv[1];
char var[255];
int status;
pid_t pid;
for (int i = 0; i < num_feeds; i++) {
sprintf(var, "RSS_FEED=%s", feeds[i]);
char *vars[] = {var, NULL};
/* since execle() replaces the current process, this program
terminates the first time it calls execle(), which means it
only ever gets articles from the first feed; so, we have to
fork the process for each feed and have the children call
execle() instead of the parent */
pid = fork();
/* check to see if the fork was successful */
if (pid == -1) {
error("Process could not be forked");
}
/* check to see if the program running this code is the child
process (because the child and parent processes are going to do
different things) */
if (!pid) { /* this is equivalent to pid == 0 */
int res = execle(PYTHON, PYTHON, SCRIPT, search_phrase, NULL, vars);
if (res == -1) {
error("Child was unable to run the script");
}
exit(i); /* only the parent process should run the code below */
}
}
/* the parent process checks the exit status of each child */
for (int i = 0; i < num_feeds; i++) {
pid = wait(&status);
if (pid == -1) {
error("Parent was unable to wait for a child process");
perror(argv[0]);
exit(1);
}
/* check whether the child exited successfully or with an
error code, and print its final status */
if (WIFEXITED(status)) {
status = WEXITSTATUS(status);
printf("Child %d exited successfully\n", pid);
} else if (WIFSIGNALED(status)) {
status = WTERMSIG(status);
printf("Child %d exited with error %d\n", pid, status);
}
}
return 0;
}
|
the_stack_data/122229.c
|
int main(void) {
return 5;
}
|
the_stack_data/90765737.c
|
// RUN: %clang_cc1 -fsyntax-only -fopenmp -verify %s
// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -verify %s
// expected-error@+1 {{unexpected OpenMP directive '#pragma omp target teams distribute parallel for'}}
#pragma omp target teams distribute parallel for
// expected-error@+1 {{unexpected OpenMP directive '#pragma omp target teams distribute parallel for'}}
#pragma omp target teams distribute parallel for foo
void test_no_clause() {
int i;
#pragma omp target teams distribute parallel for
for (i = 0; i < 16; ++i)
;
// expected-error@+2 {{statement after '#pragma omp target teams distribute parallel for' must be a for loop}}
#pragma omp target teams distribute parallel for
++i;
}
void test_branch_protected_scope() {
int i = 0;
L1:
++i;
int x[24];
#pragma omp target teams distribute parallel for
for (i = 0; i < 16; ++i) {
if (i == 5)
goto L1; // expected-error {{use of undeclared label 'L1'}}
else if (i == 6)
return; // expected-error {{cannot return from OpenMP region}}
else if (i == 7)
goto L2;
else if (i == 8) {
L2:
x[i]++;
}
}
if (x[0] == 0)
goto L2; // expected-error {{use of undeclared label 'L2'}}
else if (x[1] == 1)
goto L1;
}
void test_invalid_clause() {
int i;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
#pragma omp target teams distribute parallel for foo bar
for (i = 0; i < 16; ++i)
;
}
void test_non_identifiers() {
int i, x;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
#pragma omp target teams distribute parallel for;
for (i = 0; i < 16; ++i)
;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
#pragma omp target teams distribute parallel for private(x);
for (i = 0; i < 16; ++i)
;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
#pragma omp target teams distribute parallel for, private(x);
for (i = 0; i < 16; ++i)
;
}
extern int foo();
void test_collapse() {
int i;
// expected-error@+1 {{expected '('}}
#pragma omp target teams distribute parallel for collapse
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target teams distribute parallel for collapse(
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for collapse()
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target teams distribute parallel for collapse(,
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target teams distribute parallel for collapse(, )
for (i = 0; i < 16; ++i)
;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
// expected-error@+1 {{expected '('}}
#pragma omp target teams distribute parallel for collapse 4)
for (i = 0; i < 16; ++i)
;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4,
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4, )
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4)
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4 4)
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4, , 4)
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
#pragma omp target teams distribute parallel for collapse(4)
for (int i1 = 0; i1 < 16; ++i1)
for (int i2 = 0; i2 < 16; ++i2)
for (int i3 = 0; i3 < 16; ++i3)
for (int i4 = 0; i4 < 16; ++i4)
foo();
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target teams distribute parallel for collapse(4, 8)
for (i = 0; i < 16; ++i)
; // expected-error {{expected 4 for loops after '#pragma omp target teams distribute parallel for', but found only 1}}
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target teams distribute parallel for collapse(2.5)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target teams distribute parallel for collapse(foo())
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target teams distribute parallel for collapse(-5)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target teams distribute parallel for collapse(0)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target teams distribute parallel for collapse(5 - 5)
for (i = 0; i < 16; ++i)
;
// expected-error@+3 {{loop iteration variable in the associated loop of 'omp target teams distribute parallel for' directive may not be firstprivate, predetermined as private}}
// expected-note@+1 {{defined as firstprivate}}
#pragma omp target teams distribute parallel for collapse(2) firstprivate(i)
for (i = 0; i < 16; ++i)
for (int j = 0; j < 16; ++j)
#pragma omp parallel for reduction(+ : i, j)
for (int k = 0; k < 16; ++k)
i += j;
}
void test_private() {
int i;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target teams distribute parallel for private(
for (i = 0; i < 16; ++i)
;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for private(,
for (i = 0; i < 16; ++i)
;
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for private(, )
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for private()
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for private(int)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected variable name}}
#pragma omp target teams distribute parallel for private(0)
for (i = 0; i < 16; ++i)
;
int x, y, z;
#pragma omp target teams distribute parallel for private(x)
for (i = 0; i < 16; ++i)
;
#pragma omp target teams distribute parallel for private(x, y)
for (i = 0; i < 16; ++i)
;
#pragma omp target teams distribute parallel for private(x, y, z)
for (i = 0; i < 16; ++i) {
x = y * i + z;
}
}
void test_lastprivate() {
int i;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for lastprivate(
for (i = 0; i < 16; ++i)
;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for lastprivate(,
for (i = 0; i < 16; ++i)
;
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for lastprivate(, )
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for lastprivate()
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for lastprivate(int)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected variable name}}
#pragma omp target teams distribute parallel for lastprivate(0)
for (i = 0; i < 16; ++i)
;
int x, y, z;
#pragma omp target teams distribute parallel for lastprivate(x)
for (i = 0; i < 16; ++i)
;
#pragma omp target teams distribute parallel for lastprivate(x, y)
for (i = 0; i < 16; ++i)
;
#pragma omp target teams distribute parallel for lastprivate(x, y, z)
for (i = 0; i < 16; ++i)
;
}
void test_firstprivate() {
int i;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for firstprivate(
for (i = 0; i < 16; ++i)
;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for firstprivate(,
for (i = 0; i < 16; ++i)
;
// expected-error@+1 2 {{expected expression}}
#pragma omp target teams distribute parallel for firstprivate(, )
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for firstprivate()
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected expression}}
#pragma omp target teams distribute parallel for firstprivate(int)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 {{expected variable name}}
#pragma omp target teams distribute parallel for firstprivate(0)
for (i = 0; i < 16; ++i)
;
int x, y, z;
// expected-error@+1 {{lastprivate variable cannot be firstprivate}} expected-note@+1 {{defined as lastprivate}}
#pragma omp target teams distribute parallel for lastprivate(x) firstprivate(x)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 2 {{lastprivate variable cannot be firstprivate}} expected-note@+1 2 {{defined as lastprivate}}
#pragma omp target teams distribute parallel for lastprivate(x, y) firstprivate(x, y)
for (i = 0; i < 16; ++i)
;
// expected-error@+1 3 {{lastprivate variable cannot be firstprivate}} expected-note@+1 3 {{defined as lastprivate}}
#pragma omp target teams distribute parallel for lastprivate(x, y, z) firstprivate(x, y, z)
for (i = 0; i < 16; ++i)
;
}
void test_loop_messages() {
float a[100], b[100], c[100];
// expected-error@+2 {{variable must be of integer or pointer type}}
#pragma omp target teams distribute parallel for
for (float fi = 0; fi < 10.0; fi++) {
c[(int)fi] = a[(int)fi] + b[(int)fi];
}
// expected-error@+2 {{variable must be of integer or pointer type}}
#pragma omp target teams distribute parallel for
for (double fi = 0; fi < 10.0; fi++) {
c[(int)fi] = a[(int)fi] + b[(int)fi];
}
}
|
the_stack_data/162644229.c
|
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <fcntl.h>
#include <signal.h>
#include <unistd.h>
#ifdef HAVE_SYS_SIGNALFD_H
# include <sys/signalfd.h>
#endif
int
main(void)
{
#if defined HAVE_SYS_SIGNALFD_H && defined HAVE_SIGNALFD && defined O_CLOEXEC
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR2);
sigaddset(&mask, SIGCHLD);
(void) close(0);
return signalfd(-1, &mask, O_CLOEXEC | O_NONBLOCK) == 0 ?
0 : 77;
#else
return 77;
#endif
}
|
the_stack_data/253604.c
|
/*
Ler n valores (zero encerra a entrada de dados).
Encontrar e escrever o menor entre eles.
*/
#include<stdio.h>
#include<stdlib.h>
main(){
float v, me;
printf("Digite um valor: ");
scanf("%f", &v);
me = v;
while(v!=0){
printf("Digite um valor: ");
scanf("%f", &v);
if (v != 0 && v < me) {
me = v;
}
}
printf("\nMenor valor = %.1f\n\n", me);
system("pause");
}
|
the_stack_data/87639139.c
|
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
typedef struct {
char* l;
int v;
int h_len;
int v_len;
} strList;
char* getLaddr(strList*sl, int l) {
return (sl->l + l*(sl->h_len+1));
}
strList* createStrList(int h_len, int v_len) {
/*printf("Creating STRLIST %dx%d\n", h_len, v_len);*/
strList* sl = malloc(sizeof(strList));
int i;
if (sl) {
sl->l = malloc((h_len+1) * v_len);
if (!sl->l) {
free(sl);
sl=NULL;
} else {
sl->h_len = h_len;
sl->v_len = v_len;
sl->v = 0;
for (i=1; i<=v_len;i++)
*(getLaddr(sl, i)-1) = 0;
}
}
return sl;
}
void mmprint(char* str, int len) {
int i;
for (i=0;i<len;i++){
putchar(str[i]);
}
}
#define mymin(a,b) (((a) < (b)) ? (a) : (b))
void addStrList(strList*sl, char* str, int len) {
char* aux = getLaddr(sl, sl->v);
int l = mymin(len, sl->h_len);
memcpy(aux, str, l);
aux[l] = 0;
/*printf("added: %s\n", aux);*/
sl->v++;
}
/* assuming la<=lb*/
bool hasStrPart(char*stra, int la, char*strb, int lb) {
int i;
/*mmprint(stra, la);
printf(" is inside ");
mmprint(strb, lb);
printf("? ");*/
for (i=0;i<=lb-la;i++) {
if (!strncmp(stra, strb+i, la)){
/* printf("yes\n");*/
return true;
}
}
/* printf("no\n");*/
return false;
}
bool hasPart(strList*sl, char*str, int len) {
int i;
for (i=0;i<sl->v;i++){
char* str2 = getLaddr(sl, i);
int len2 = strlen(str2);
if (hasStrPart(str2, len2, str, len))
return true;
}
return false;
}
bool isPalin(char* str, int len) {
int i;
for (i=0;i<len;i++){
if (str[i] != str[len-1-i])
return false;
}
return true;
}
bool is2palin(char* str) {
int size = strlen(str);
strList* list = createStrList(size,size);
int i, n;
if (size > 3) {
for (n=3; n<size; n++) {
for (i=0; i<(size-n)+1;i++){
if (isPalin(str+i,n)) {
if (!hasPart(list, str+i, n)) {
addStrList(list, str+i, n);
}
}
}
}
}
/*printf("%s: (%d) [", str, list->v);
for (i=0;i<list->v;i++){
printf("%s, ", getLaddr(list, i));
}
printf("]\n");*/
n = list->v;
free(list->l);
free(list);
return n >= 2;
}
void tst(char* str) {
int i;
if (isPalin(str, strlen(str))) {
for (i=0;i<strlen(str);i++){
putchar(str[i]);
}
printf(" is palin\n");
}
}
int main() {
char buffer[512];
int i;
while ((i = scanf("%s", buffer)) && i != EOF) {
if (is2palin(buffer)) {
printf("%s\n", buffer);
}
}
return 0;
}
|
the_stack_data/12192.c
|
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>
#include <string.h>
#define M 3009
//
struct E {
int no;
int from;
int to;
} edge[M];
//
typedef struct A {
char ans[M];
struct A* next;
} a;
a * start;
//
int v,e, isV[M], tmp, from, to, Que[M];
char s[M];
//
void D(void);
void DFS(int, int);
void sAve(char *s);
void shoW(void);
//
int main() {
scanf ("%d%d", &v, &e);
int i;
for (i = 0; i < 2 * e; i += 2) {
scanf ("%d%d%d", &edge[i].no, &edge[i].from, &edge[i].to);
edge[i + 1].no = edge[i].no;
edge[i + 1].from = edge[i].to;
edge[i + 1].to = edge[i].from;
}
D();
shoW();
return 0;
}
void D() {
from = 0, to = v - 1;
int i;
isV[0] = -1;
for (i = 1; i < v; i ++) {
isV[i] = 0;
}
DFS (0, 0);
}
void DFS(int p, int d) {
int i, k, start, end;
if (p == to) {
s[d] = 0;
sAve(s);
return ;
}
for (i = 0; i < 2 * e; i ++) {
start = edge[i].from;
end = edge[i].to;
k = edge[i].no;
if (start == p) {
if (~ isV[end]) {
s[d] = '0' + k;
isV[end] = -1;
DFS(end, d + 1);
isV[end] = 0;
}
}
}
}
void sAve(char *s) {
if (start == NULL) {
start = malloc(sizeof (a));
start -> next = NULL;
strcpy (start -> ans, s);
} else {
a *t = malloc(sizeof (a));
t -> next = start;
start = t;
strcpy (t -> ans, s);
for (t = start; t -> next; t = t -> next) {
if (strcmp (t -> ans, t -> next -> ans) > 0) {
char sw[M];
strcpy (sw, t -> ans);
strcpy (t -> ans, t -> next -> ans);
strcpy (t -> next -> ans, sw);
}
}
}
return;
}
void shoW() {
a *t;
for (t = start; t; t = t -> next) {
char *p;
for (p = t -> ans; *p; p ++) {
printf ("%d ", *p - '0');
}
printf ("\n");
}
return;
}
|
the_stack_data/829031.c
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define WIDTH 24
#define PREC 16
int DYS_DumpBuf(char *tb, int sz)
{
int i;
for(i=0; i<sz; i++)fputc(tb[i]+'0', stdout);
// for(i=0; i<sz; i++)printf("%d ", tb[i]);
fputc('\n', stdout);
}
int DYS_InvertBuf(char *tb, int sz)
{
char *t;
t=tb+(sz-1);
while(t>=tb)*t--=9-(*t);
return(0);
}
int DYS_NegBuf(char *tb, int sz)
{
char *t;
int i;
t=tb+(sz-1); i=1;
while(t>=tb)
{
i+=9-(*t);
*t--=(i%10); i/=10;
}
return(i);
}
int DYS_Shl10Buf(char *tb, int sz, int sh)
{
char *s, *t, *se;
s=tb+sh; t=tb; se=tb+sz;
while(s<se)*t++=*s++;
while(t<se)*t++=0;
return(0);
}
int DYS_Shr10Buf(char *tb, int sz, int sh)
{
char *s, *t;
s=tb+(sz-1)-sh; t=tb+(sz-1);
while(s>=tb)*t--=*s--;
while(t>=tb)*t--=(s[1]>=5)?9:0;
return(0);
}
int DYS_Shl2Buf1(char *tb, int sz)
{
char *t;
int i;
t=tb+sz-1; i=0;
while(t>=tb)
{
i+=(*t)*2;
*t--=(i%10); i/=10;
}
return(0);
}
int DYS_Shr2Buf1(char *tb, int sz)
{
char *t, *te;
int i, j;
t=tb; te=tb+sz; i=(tb[0]>=5)?9:0;
while(t<te)
{
j=i&1;
i=(*t);
j=(i/2)+(j*5);
*t--=j;
}
return(0);
}
void DYS_Shl2Buf(char *tb, int sz, int sh)
{
int i;
for(i=0; i<sh; i++)DYS_Shl2Buf1(tb, sz);
}
void DYS_Shr2Buf(char *tb, int sz, int sh)
{
int i;
for(i=0; i<sh; i++)DYS_Shr2Buf1(tb, sz);
}
int DYS_AddBufInt(char *tb, int sz, int v)
{
char *t;
int i;
t=tb+(sz-1);
i=v;
while(i && (t>=tb))
{
i+=*t;
*t--=(i%10); i/=10;
}
return(i);
}
int DYS_AddBuf(char *sa, int sza, char *sb, int szb)
{
char *s, *t;
int i, j;
s=sb+(szb-1);
t=sa+(sza-1);
i=0;
while((s>=sb) && (t>=sa))
{
i+=(*t)+(*s);
*t=(i%10); i/=10;
s--; t--;
}
if(t<sa)return(-1);
j=(sb[0]>=5)?9:0;
while(i && (t>=sa))
{
i+=(*t)+j;
*t=(i%10); i/=10;
t--;
}
return(i);
}
int DYS_SubBuf(char *sa, int sza, char *sb, int szb)
{
char *s, *t;
int i, j;
s=sb+(szb-1);
t=sa+(sza-1);
i=1;
while((s>=sb) && (t>=sa))
{
i+=(*t)+(9-(*s));
*t=(i%10); i/=10;
s--; t--;
}
if(t<sa)return(-1);
j=(sb[0]>=5)?9:0;
while(i && (t>=sa))
{
i+=(*t)+(9-j);
*t=(i%10); i/=10;
t--;
}
return(i);
}
int DYS_AddBufScaleInt(char *sa, int sza, char *sb, int szb, int sc)
{
char *s, *t;
int i;
s=sb+(szb-1);
t=sa+(sza-1);
i=0;
while((s>=sb) && (t>=sa))
{
i+=(*t)+((*s)*sc);
*t=(i%10); i/=10;
s--; t--;
}
if(t<sa)return(-1);
while(i && (t>=sa))
{
i+=(*t);
*t=(i%10); i/=10;
t--;
}
return(i);
}
int DYS_CmpBuf(char *sa, int sza, char *sb, int szb)
{
int pa, pb;
int i, j, k;
if((sa[0]>=5) && (sb[0]<5))return(-1);
if((sa[0]<5) && (sb[0]>=5))return(1);
i=(sza>szb)?sza:szb;
pa=sza-i;
pb=szb-i;
while(pa<sza)
{
i=(pa>=0)?sa[pa]:((sa[0]>=5)?9:0);
j=(pb>=0)?sb[pb]:((sb[0]>=5)?9:0);
if(i!=j)break;
pa++; pb++;
}
if(pa>=sza)return(0);
if(i<j)return(-1);
if(i>j)return(1);
return(0);
}
int DYS_CopyStrBuf(char *tb, int sz, char *sa)
{
char *s, *t;
int i, j, pt;
if((sa[0]=='0') && (sa[1]=='x'))
{
for(i=0; i<sz; i++)tb[i]=0;
s=sa+2;
while(*s)
{
i=0;
if((*s>='0') && (*s<='9'))i=*s-'0';
if((*s>='A') && (*s<='F'))i=*s-'A'+10;
if((*s>='a') && (*s<='f'))i=*s-'a'+10;
s++;
DYS_Shl2Buf(tb, sz, 4);
DYS_AddBufInt(tb, sz, i);
}
return(0);
}
s=sa+strlen(sa)-1;
t=tb+(sz-1);
i=0; j=0; pt=0;
while((s>=sa) && (t>=tb))
{
if(*s=='-') break;
if(*s=='.') { s--; pt=j; continue; }
*t--=(*s--)-'0'; j++;
}
while(t>=tb)*t--=0;
if(*s=='-')DYS_NegBuf(tb, sz);
return(pt);
}
int DYS_CopyBufStr(char *tb, char *sa, int sz, int pt)
{
char *s, *t, *s1, *se, *sp;
int i;
// printf("TS0 %d %d\n", sz, p);
t=tb;
if(sa[0]>=5)
{
DYS_NegBuf(sa, sz);
*t++='-';
}
if(pt>PREC)
{
i=pt-PREC;
sz-=i;
pt-=i;
}
s=sa; se=sa+sz; sp=sa+sz-pt;
while((!(*s)) && (s<sp))s++;
// printf("TS1 %d\n", p);
if(s>=sp)*t++='0';
while(s<sp)*t++=(*s++)+'0';
if(s<se)
{
*t++='.';
while(s<se)
{
*t++=(*s++)+'0';
s1=s; while(!(*s1) && (s1<se))s1++;
if(s1>=se)break;
}
}
*t++=0;
// DYS_DumpBuf(sa, sz);
// printf("TS %s %d\n", tb, p);
return(0);
}
char *dysShl(char *s, int v)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s);
DYS_Shl2Buf(ta, WIDTH, v);
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysShr(char *s, int v)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s);
DYS_Shr2Buf(ta, WIDTH, v);
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysShl10(char *s, int v)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s);
if(v>pa) { DYS_Shl10Buf(ta, WIDTH, v-pa); pa=0; }
else pa-=v;
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysShr10(char *s, int v)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s);
DYS_Shr10Buf(ta, WIDTH, v);
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysShr10F(char *s, int v)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s);
pa+=v;
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
int dysCmp(char *s0, char *s1)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s0);
pb=DYS_CopyStrBuf(tb, WIDTH, s1);
if(pa || pb)
{
i=pa>pb?pa:pb;
DYS_Shl10Buf(ta, WIDTH, i-pa);
DYS_Shl10Buf(tb, WIDTH, i-pb);
pa=i;
}
i=DYS_CmpBuf(ta, WIDTH, tb, WIDTH);
return(i);
}
char *dysAdd(char *s0, char *s1)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s0);
pb=DYS_CopyStrBuf(tb, WIDTH, s1);
// DYS_DumpBuf(ta, WIDTH);
// DYS_DumpBuf(tb, WIDTH);
if(pa || pb)
{
i=pa>pb?pa:pb;
DYS_Shl10Buf(ta, WIDTH, i-pa);
DYS_Shl10Buf(tb, WIDTH, i-pb);
pa=i;
}
// DYS_DumpBuf(ta, WIDTH);
// DYS_DumpBuf(tb, WIDTH);
DYS_AddBuf(ta, WIDTH, tb, WIDTH);
// DYS_DumpBuf(ta, WIDTH);
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysSub(char *s0, char *s1)
{
char ta[WIDTH], tb[WIDTH];
int i, pa, pb;
pa=DYS_CopyStrBuf(ta, WIDTH, s0);
pb=DYS_CopyStrBuf(tb, WIDTH, s1);
DYS_NegBuf(tb, WIDTH);
if(pa || pb)
{
i=pa>pb?pa:pb;
DYS_Shl10Buf(ta, WIDTH, i-pa);
DYS_Shl10Buf(tb, WIDTH, i-pb);
pa=i;
}
// DYS_DumpBuf(ta, WIDTH);
// DYS_DumpBuf(tb, WIDTH);
DYS_AddBuf(ta, WIDTH, tb, WIDTH);
// DYS_DumpBuf(ta, WIDTH);
DYS_CopyBufStr(tb, ta, WIDTH, pa);
return(strdup(tb));
}
char *dysMul(char *s0, char *s1)
{
char ta[WIDTH], tb[WIDTH], tc[WIDTH];
int i, j, pa, pb, pc;
pa=DYS_CopyStrBuf(ta, WIDTH, s0);
pb=DYS_CopyStrBuf(tb, WIDTH, s1);
pc=pa+pb;
for(i=0; i<WIDTH; i++)tc[i]=0;
for(i=0; i<WIDTH; i++)
{
DYS_AddBufScaleInt(tc, WIDTH-i, ta, WIDTH, tb[WIDTH-1-i]);
}
DYS_CopyBufStr(ta, tc, WIDTH, pc);
return(strdup(ta));
}
char *dysDiv(char *s0, char *s1)
{
char ta[WIDTH*3], tb[WIDTH*3], tc[WIDTH*2];
int pa, pb, pc;
int i, j, k, sg;
for(i=0; i<(3*WIDTH); i++)ta[i]=0;
for(i=0; i<(3*WIDTH); i++)tb[i]=0;
for(i=0; i<(2*WIDTH); i++)tc[i]=0;
pa=DYS_CopyStrBuf(ta+WIDTH, WIDTH, s0);
pb=DYS_CopyStrBuf(tb, WIDTH, s1);
pc=pa+pb;
sg=0;
if(ta[WIDTH]>=5) { DYS_NegBuf(ta+WIDTH, WIDTH); sg=!sg; }
if(tb[0]>=5) { DYS_NegBuf(tb, WIDTH); sg=!sg; }
DYS_Shr10Buf(ta, WIDTH*3, pa);
DYS_Shr10Buf(tb, WIDTH*3, pb);
// DYS_DumpBuf(ta, WIDTH*3);
// DYS_DumpBuf(tb, WIDTH*3);
for(i=0; i<=WIDTH*2; i++)
{
j=10;
while(DYS_CmpBuf(ta, WIDTH*3, tb, WIDTH*3-i)>=0)
{
// printf("A ");
// DYS_DumpBuf(ta, WIDTH*3);
// printf("B "); k=i; while(k--)fputc(' ', stdout);
// DYS_DumpBuf(tb, WIDTH*3-i);
DYS_SubBuf(ta, WIDTH*3, tb, WIDTH*3-i);
DYS_AddBufInt(tc, i, 1);
if(!(j--))break;
}
}
// DYS_DumpBuf(ta, WIDTH*3);
// DYS_DumpBuf(tb, WIDTH*3);
// DYS_DumpBuf(tc, WIDTH*2);
if(sg)DYS_NegBuf(tc, WIDTH*2);
DYS_CopyBufStr(tb, tc, WIDTH*2, WIDTH);
return(strdup(tb));
}
int main()
{
char *s0, *s1, *s2;
int i, j, k;
s0="1234.5";
s1="-4321.0";
s2=dysAdd(s0, s1);
printf("%s %s %s\n", s0, s1, s2);
// s0="1234.5";
// s1="-4321.0";
s2=dysSub(s0, s1);
printf("%s %s %s\n", s0, s1, s2);
s0="12345678";
s1="-87654321";
s2=dysMul(s0, s1);
printf("%s %s %s\n", s0, s1, s2);
i=dysCmp(s0, s1);
j=dysCmp(s1, s0);
k=0;
printf("%s %s %d %d %d\n", s0, s1, i, j, k);
s2=dysDiv(s0, s1);
printf("%s %s %s\n", s0, s1, s2);
s2=dysDiv(s0, "0x100");
printf("%s %s %s\n", s0, s1, s2);
}
|
the_stack_data/3261881.c
|
// RUN: %llvmgcc %s -emit-llvm %O0opt -c -o %t1.bc
// RUN: rm -rf %t.klee-out
// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
#include <stdlib.h>
int main() {
// concrete case
void *p = malloc(0);
free(p);
p = malloc(0);
void *arr[4] = { p, 0, 0, 0 };
// symbolic case
free(arr[klee_range(0, 4, "range")]);
}
|
the_stack_data/97011611.c
|
#include <stdio.h>
int main()
{
char c;
int count = 0;
do{
scanf("%c",&c);
if (c >='0' && c <='9')
count++;
}while(c != '.');
printf("%d",count);
return 0;
}
|
the_stack_data/48253.c
|
/*numPass=8, numTotal=8
Verdict:ACCEPTED, Visibility:1, Input:"5
1 2 3 4 5", ExpOutput:"1 2 3 4 5
", Output:"1 2 3 4 5 "
Verdict:ACCEPTED, Visibility:1, Input:"5
5 4 3 2 1", ExpOutput:"1 2 3 4 5
", Output:"1 2 3 4 5 "
Verdict:ACCEPTED, Visibility:1, Input:"4
1 3 2 1", ExpOutput:"1 1 2 3
", Output:"1 1 2 3 "
Verdict:ACCEPTED, Visibility:1, Input:"6
1 4 3 2 1 0", ExpOutput:"0 1 1 2 3 4
", Output:"0 1 1 2 3 4 "
Verdict:ACCEPTED, Visibility:1, Input:"10
1 4 3 2 1 0 5 8 100 110", ExpOutput:"0 1 1 2 3 4 5 8 100 110
", Output:"0 1 1 2 3 4 5 8 100 110 "
Verdict:ACCEPTED, Visibility:0, Input:"0", ExpOutput:"
", Output:""
Verdict:ACCEPTED, Visibility:0, Input:"1
42", ExpOutput:"42
", Output:"42 "
Verdict:ACCEPTED, Visibility:0, Input:"11
1 4 3 2 1 0 5 8 100 110 -10", ExpOutput:"-10 0 1 1 2 3 4 5 8 100 110
", Output:"-10 0 1 1 2 3 4 5 8 100 110 "
*/
#include<stdio.h>
#include<stdlib.h>
int main()
{
int *a,i,j,k,n,temp1;
scanf("%d",&n);
a=(int *)malloc(n*sizeof(int));
for(i=0;i<n;i++)
scanf("%d",&a[i]);
for(i=1;i<n;i++)
{
if(a[i]>=a[i-1])
continue;
else
for(j=0;j<i;j++)
{
if(a[j]>a[i])
{
temp1=a[i];
for(k=i;k>j;k--)
{
a[k]=a[k-1];
}
a[j]=temp1;
}
}
}
for(i=0;i<n;i++)
printf("%d ",a[i]);
return 0;
}
|
the_stack_data/151705856.c
|
/*
* Use nested loops to produce the following pattern:
*
* A
* BC
* DEF
* GHIJ
* KLMNO
* PQRSTU
*/
#include <stdio.h>
int main (void)
{
char c = 'A';
for (int i = 0; i < 6; i++)
{
for (int j = 0; j <= i; j++)
{
printf("%c", c++);
}
printf("\n");
}
return 0;
}
|
the_stack_data/689161.c
|
# 1 "benchmarks/ds-04-impl2.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "benchmarks/ds-04-impl2.c"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h"
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h" 1
# 132 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
int X_SIZE_VALUE = 0;
int overflow_mode = 1;
int rounding_mode = 0;
# 155 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/definitions.h"
typedef struct {
double a[100];
int a_size;
double b[100];
int b_size;
double sample_time;
double a_uncertainty[100];
double b_uncertainty[100];
} digital_system;
typedef struct {
double A[4][4];
double B[4][4];
double C[4][4];
double D[4][4];
double states[4][4];
double outputs[4][4];
double inputs[4][4];
double K[4][4];
unsigned int nStates;
unsigned int nInputs;
unsigned int nOutputs;
} digital_system_state_space;
typedef struct {
int int_bits;
int frac_bits;
double max;
double min;
int default_realization;
double delta;
int scale;
double max_error;
} implementation;
typedef struct {
int push;
int in;
int sbiw;
int cli;
int out;
int std;
int ldd;
int subi;
int sbci;
int lsl;
int rol;
int add;
int adc;
int adiw;
int rjmp;
int mov;
int sbc;
int ld;
int rcall;
int cp;
int cpc;
int ldi;
int brge;
int pop;
int ret;
int st;
int brlt;
int cpi;
} instructions;
typedef struct {
long clock;
int device;
double cycle;
instructions assembly;
} hardware;
typedef struct{
float Ap, Ar, Ac;
float wp, wc, wr;
int type;
}filter_parameters;
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
# 1 "/usr/include/stdlib.h" 1 3 4
# 25 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 3 4
# 1 "/usr/include/features.h" 1 3 4
# 461 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 1 3 4
# 452 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 453 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 454 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 462 "/usr/include/features.h" 2 3 4
# 485 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs-64.h" 1 3 4
# 11 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
# 486 "/usr/include/features.h" 2 3 4
# 34 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 2 3 4
# 26 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
# 209 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef long unsigned int size_t;
# 321 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 3 4
typedef int wchar_t;
# 32 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 1 3 4
# 52 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 3 4
typedef enum
{
P_ALL,
P_PID,
P_PGID
} idtype_t;
# 40 "/usr/include/stdlib.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/waitstatus.h" 1 3 4
# 41 "/usr/include/stdlib.h" 2 3 4
# 55 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 1 3 4
# 120 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/long-double.h" 1 3 4
# 25 "/usr/include/x86_64-linux-gnu/bits/floatn-common.h" 2 3 4
# 121 "/usr/include/x86_64-linux-gnu/bits/floatn.h" 2 3 4
# 56 "/usr/include/stdlib.h" 2 3 4
typedef struct
{
int quot;
int rem;
} div_t;
typedef struct
{
long int quot;
long int rem;
} ldiv_t;
__extension__ typedef struct
{
long long int quot;
long long int rem;
} lldiv_t;
# 97 "/usr/include/stdlib.h" 3 4
extern size_t __ctype_get_mb_cur_max (void) __attribute__ ((__nothrow__ , __leaf__)) ;
extern double atof (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern int atoi (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern long int atol (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
__extension__ extern long long int atoll (const char *__nptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern double strtod (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern float strtof (const char *__restrict __nptr,
char **__restrict __endptr) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long double strtold (const char *__restrict __nptr,
char **__restrict __endptr)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 176 "/usr/include/stdlib.h" 3 4
extern long int strtol (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern unsigned long int strtoul (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtouq (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoll (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtoull (const char *__restrict __nptr,
char **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 385 "/usr/include/stdlib.h" 3 4
extern char *l64a (long int __n) __attribute__ ((__nothrow__ , __leaf__)) ;
extern long int a64l (const char *__s)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
# 1 "/usr/include/x86_64-linux-gnu/sys/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/timesize.h" 1 3 4
# 29 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
typedef signed long int __int64_t;
typedef unsigned long int __uint64_t;
typedef __int8_t __int_least8_t;
typedef __uint8_t __uint_least8_t;
typedef __int16_t __int_least16_t;
typedef __uint16_t __uint_least16_t;
typedef __int32_t __int_least32_t;
typedef __uint32_t __uint_least32_t;
typedef __int64_t __int_least64_t;
typedef __uint64_t __uint_least64_t;
typedef long int __quad_t;
typedef unsigned long int __u_quad_t;
typedef long int __intmax_t;
typedef unsigned long int __uintmax_t;
# 141 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/typesizes.h" 1 3 4
# 142 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/time64.h" 1 3 4
# 143 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
typedef unsigned long int __dev_t;
typedef unsigned int __uid_t;
typedef unsigned int __gid_t;
typedef unsigned long int __ino_t;
typedef unsigned long int __ino64_t;
typedef unsigned int __mode_t;
typedef unsigned long int __nlink_t;
typedef long int __off_t;
typedef long int __off64_t;
typedef int __pid_t;
typedef struct { int __val[2]; } __fsid_t;
typedef long int __clock_t;
typedef unsigned long int __rlim_t;
typedef unsigned long int __rlim64_t;
typedef unsigned int __id_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;
typedef int __daddr_t;
typedef int __key_t;
typedef int __clockid_t;
typedef void * __timer_t;
typedef long int __blksize_t;
typedef long int __blkcnt_t;
typedef long int __blkcnt64_t;
typedef unsigned long int __fsblkcnt_t;
typedef unsigned long int __fsblkcnt64_t;
typedef unsigned long int __fsfilcnt_t;
typedef unsigned long int __fsfilcnt64_t;
typedef long int __fsword_t;
typedef long int __ssize_t;
typedef long int __syscall_slong_t;
typedef unsigned long int __syscall_ulong_t;
typedef __off64_t __loff_t;
typedef char *__caddr_t;
typedef long int __intptr_t;
typedef unsigned int __socklen_t;
typedef int __sig_atomic_t;
# 30 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;
typedef __loff_t loff_t;
typedef __ino_t ino_t;
# 59 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __dev_t dev_t;
typedef __gid_t gid_t;
typedef __mode_t mode_t;
typedef __nlink_t nlink_t;
typedef __uid_t uid_t;
typedef __off_t off_t;
# 97 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __pid_t pid_t;
typedef __id_t id_t;
typedef __ssize_t ssize_t;
typedef __daddr_t daddr_t;
typedef __caddr_t caddr_t;
typedef __key_t key_t;
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clock_t.h" 1 3 4
typedef __clock_t clock_t;
# 127 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/clockid_t.h" 1 3 4
typedef __clockid_t clockid_t;
# 129 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/time_t.h" 1 3 4
typedef __time_t time_t;
# 130 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/timer_t.h" 1 3 4
typedef __timer_t timer_t;
# 131 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 144 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 145 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef unsigned long int ulong;
typedef unsigned short int ushort;
typedef unsigned int uint;
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-intn.h" 3 4
typedef __int8_t int8_t;
typedef __int16_t int16_t;
typedef __int32_t int32_t;
typedef __int64_t int64_t;
# 156 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __uint8_t u_int8_t;
typedef __uint16_t u_int16_t;
typedef __uint32_t u_int32_t;
typedef __uint64_t u_int64_t;
typedef int register_t __attribute__ ((__mode__ (__word__)));
# 176 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/endian.h" 1 3 4
# 24 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endian.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endianness.h" 1 3 4
# 36 "/usr/include/x86_64-linux-gnu/bits/endian.h" 2 3 4
# 25 "/usr/include/endian.h" 2 3 4
# 35 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
# 33 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
static __inline __uint16_t
__bswap_16 (__uint16_t __bsx)
{
return __builtin_bswap16 (__bsx);
}
static __inline __uint32_t
__bswap_32 (__uint32_t __bsx)
{
return __builtin_bswap32 (__bsx);
}
# 69 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
__extension__ static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
return __builtin_bswap64 (__bsx);
}
# 36 "/usr/include/endian.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 1 3 4
# 32 "/usr/include/x86_64-linux-gnu/bits/uintn-identity.h" 3 4
static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
return __x;
}
static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
return __x;
}
static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
return __x;
}
# 37 "/usr/include/endian.h" 2 3 4
# 177 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/select.h" 1 3 4
# 30 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/select.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/select.h" 2 3 4
# 31 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__sigset_t.h" 1 3 4
typedef struct
{
unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
} __sigset_t;
# 5 "/usr/include/x86_64-linux-gnu/bits/types/sigset_t.h" 2 3 4
typedef __sigset_t sigset_t;
# 34 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h" 1 3 4
struct timeval
{
__time_t tv_sec;
__suseconds_t tv_usec;
};
# 38 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
struct timespec
{
__time_t tv_sec;
__syscall_slong_t tv_nsec;
# 26 "/usr/include/x86_64-linux-gnu/bits/types/struct_timespec.h" 3 4
};
# 40 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
typedef __suseconds_t suseconds_t;
typedef long int __fd_mask;
# 59 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
typedef struct
{
__fd_mask __fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
} fd_set;
typedef __fd_mask fd_mask;
# 91 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 101 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int select (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
struct timeval *__restrict __timeout);
# 113 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int pselect (int __nfds, fd_set *__restrict __readfds,
fd_set *__restrict __writefds,
fd_set *__restrict __exceptfds,
const struct timespec *__restrict __timeout,
const __sigset_t *__restrict __sigmask);
# 126 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 180 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
typedef __blksize_t blksize_t;
typedef __blkcnt_t blkcnt_t;
typedef __fsblkcnt_t fsblkcnt_t;
typedef __fsfilcnt_t fsfilcnt_t;
# 227 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 1 3 4
# 44 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 1 3 4
# 21 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes-arch.h" 2 3 4
# 45 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
typedef struct __pthread_internal_list
{
struct __pthread_internal_list *__prev;
struct __pthread_internal_list *__next;
} __pthread_list_t;
typedef struct __pthread_internal_slist
{
struct __pthread_internal_slist *__next;
} __pthread_slist_t;
# 74 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
int __owner;
unsigned int __nusers;
int __kind;
short __spins;
short __elision;
__pthread_list_t __list;
# 53 "/usr/include/x86_64-linux-gnu/bits/struct_mutex.h" 3 4
};
# 75 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
# 87 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
struct __pthread_rwlock_arch_t
{
unsigned int __readers;
unsigned int __writers;
unsigned int __wrphase_futex;
unsigned int __writers_futex;
unsigned int __pad3;
unsigned int __pad4;
int __cur_writer;
int __shared;
signed char __rwelision;
unsigned char __pad1[7];
unsigned long int __pad2;
unsigned int __flags;
# 55 "/usr/include/x86_64-linux-gnu/bits/struct_rwlock.h" 3 4
};
# 88 "/usr/include/x86_64-linux-gnu/bits/thread-shared-types.h" 2 3 4
struct __pthread_cond_s
{
__extension__ union
{
__extension__ unsigned long long int __wseq;
struct
{
unsigned int __low;
unsigned int __high;
} __wseq32;
};
__extension__ union
{
__extension__ unsigned long long int __g1_start;
struct
{
unsigned int __low;
unsigned int __high;
} __g1_start32;
};
unsigned int __g_refs[2] ;
unsigned int __g_size[2];
unsigned int __g1_orig_size;
unsigned int __wrefs;
unsigned int __g_signals[2];
};
# 24 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 2 3 4
typedef unsigned long int pthread_t;
typedef union
{
char __size[4];
int __align;
} pthread_mutexattr_t;
typedef union
{
char __size[4];
int __align;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef int pthread_once_t;
union pthread_attr_t
{
char __size[56];
long int __align;
};
typedef union pthread_attr_t pthread_attr_t;
typedef union
{
struct __pthread_mutex_s __data;
char __size[40];
long int __align;
} pthread_mutex_t;
typedef union
{
struct __pthread_cond_s __data;
char __size[48];
__extension__ long long int __align;
} pthread_cond_t;
typedef union
{
struct __pthread_rwlock_arch_t __data;
char __size[56];
long int __align;
} pthread_rwlock_t;
typedef union
{
char __size[8];
long int __align;
} pthread_rwlockattr_t;
typedef volatile int pthread_spinlock_t;
typedef union
{
char __size[32];
long int __align;
} pthread_barrier_t;
typedef union
{
char __size[4];
int __align;
} pthread_barrierattr_t;
# 228 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 395 "/usr/include/stdlib.h" 2 3 4
extern long int random (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srandom (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern char *initstate (unsigned int __seed, char *__statebuf,
size_t __statelen) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern char *setstate (char *__statebuf) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct random_data
{
int32_t *fptr;
int32_t *rptr;
int32_t *state;
int rand_type;
int rand_deg;
int rand_sep;
int32_t *end_ptr;
};
extern int random_r (struct random_data *__restrict __buf,
int32_t *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srandom_r (unsigned int __seed, struct random_data *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
size_t __statelen,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 4)));
extern int setstate_r (char *__restrict __statebuf,
struct random_data *__restrict __buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int rand (void) __attribute__ ((__nothrow__ , __leaf__));
extern void srand (unsigned int __seed) __attribute__ ((__nothrow__ , __leaf__));
extern int rand_r (unsigned int *__seed) __attribute__ ((__nothrow__ , __leaf__));
extern double drand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern double erand48 (unsigned short int __xsubi[3]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int lrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int nrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern long int mrand48 (void) __attribute__ ((__nothrow__ , __leaf__));
extern long int jrand48 (unsigned short int __xsubi[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void srand48 (long int __seedval) __attribute__ ((__nothrow__ , __leaf__));
extern unsigned short int *seed48 (unsigned short int __seed16v[3])
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void lcong48 (unsigned short int __param[7]) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
struct drand48_data
{
unsigned short int __x[3];
unsigned short int __old_x[3];
unsigned short int __c;
unsigned short int __init;
__extension__ unsigned long long int __a;
};
extern int drand48_r (struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int erand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
double *__restrict __result) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int nrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int mrand48_r (struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int jrand48_r (unsigned short int __xsubi[3],
struct drand48_data *__restrict __buffer,
long int *__restrict __result)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int seed48_r (unsigned short int __seed16v[3],
struct drand48_data *__buffer) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern int lcong48_r (unsigned short int __param[7],
struct drand48_data *__buffer)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
extern void *malloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern void *calloc (size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (1, 2))) ;
extern void *realloc (void *__ptr, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__)) __attribute__ ((__alloc_size__ (2)));
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__warn_unused_result__))
__attribute__ ((__alloc_size__ (2, 3)));
extern void free (void *__ptr) __attribute__ ((__nothrow__ , __leaf__));
# 1 "/usr/include/alloca.h" 1 3 4
# 24 "/usr/include/alloca.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 25 "/usr/include/alloca.h" 2 3 4
extern void *alloca (size_t __size) __attribute__ ((__nothrow__ , __leaf__));
# 569 "/usr/include/stdlib.h" 2 3 4
extern void *valloc (size_t __size) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__))
__attribute__ ((__alloc_size__ (1))) ;
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
extern void *aligned_alloc (size_t __alignment, size_t __size)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (2))) ;
extern void abort (void) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern int atexit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int at_quick_exit (void (*__func) (void)) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern void exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void quick_exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void _Exit (int __status) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern char *getenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 647 "/usr/include/stdlib.h" 3 4
extern int putenv (char *__string) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int setenv (const char *__name, const char *__value, int __replace)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2)));
extern int unsetenv (const char *__name) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
extern int clearenv (void) __attribute__ ((__nothrow__ , __leaf__));
# 675 "/usr/include/stdlib.h" 3 4
extern char *mktemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 688 "/usr/include/stdlib.h" 3 4
extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) ;
# 710 "/usr/include/stdlib.h" 3 4
extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) ;
# 731 "/usr/include/stdlib.h" 3 4
extern char *mkdtemp (char *__template) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 784 "/usr/include/stdlib.h" 3 4
extern int system (const char *__command) ;
# 800 "/usr/include/stdlib.h" 3 4
extern char *realpath (const char *__restrict __name,
char *__restrict __resolved) __attribute__ ((__nothrow__ , __leaf__)) ;
typedef int (*__compar_fn_t) (const void *, const void *);
# 820 "/usr/include/stdlib.h" 3 4
extern void *bsearch (const void *__key, const void *__base,
size_t __nmemb, size_t __size, __compar_fn_t __compar)
__attribute__ ((__nonnull__ (1, 2, 5))) ;
extern void qsort (void *__base, size_t __nmemb, size_t __size,
__compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
# 840 "/usr/include/stdlib.h" 3 4
extern int abs (int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern long int labs (long int __x) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern long long int llabs (long long int __x)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern div_t div (int __numer, int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
extern ldiv_t ldiv (long int __numer, long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
__extension__ extern lldiv_t lldiv (long long int __numer,
long long int __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__)) ;
# 872 "/usr/include/stdlib.h" 3 4
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *gcvt (double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern char *qecvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qfcvt (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3))) ;
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
int *__restrict __sign, char *__restrict __buf,
size_t __len) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qecvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qfcvt_r (long double __value, int __ndigit,
int *__restrict __decpt, int *__restrict __sign,
char *__restrict __buf, size_t __len)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int mblen (const char *__s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int mbtowc (wchar_t *__restrict __pwc,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern int wctomb (char *__s, wchar_t __wchar) __attribute__ ((__nothrow__ , __leaf__));
extern size_t mbstowcs (wchar_t *__restrict __pwcs,
const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern size_t wcstombs (char *__restrict __s,
const wchar_t *__restrict __pwcs, size_t __n)
__attribute__ ((__nothrow__ , __leaf__));
extern int rpmatch (const char *__response) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1))) ;
# 957 "/usr/include/stdlib.h" 3 4
extern int getsubopt (char **__restrict __optionp,
char *const *__restrict __tokens,
char **__restrict __valuep)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2, 3))) ;
# 1003 "/usr/include/stdlib.h" 3 4
extern int getloadavg (double __loadavg[], int __nelem)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1)));
# 1013 "/usr/include/stdlib.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdlib-float.h" 1 3 4
# 1014 "/usr/include/stdlib.h" 2 3 4
# 1023 "/usr/include/stdlib.h" 3 4
# 18 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 66 "/usr/include/assert.h" 3 4
extern void __assert_fail (const char *__assertion, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert_perror_fail (int __errnum, const char *__file,
unsigned int __line, const char *__function)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert (const char *__assertion, const char *__file, int __line)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 1 "/usr/include/stdio.h" 1 3 4
# 27 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 28 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h" 1 3 4
# 34 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 1 3 4
# 40 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdarg.h" 3 4
typedef __builtin_va_list __gnuc_va_list;
# 37 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 1 3 4
# 13 "/usr/include/x86_64-linux-gnu/bits/types/__mbstate_t.h" 3 4
typedef struct
{
int __count;
union
{
unsigned int __wch;
char __wchb[4];
} __value;
} __mbstate_t;
# 6 "/usr/include/x86_64-linux-gnu/bits/types/__fpos_t.h" 2 3 4
typedef struct _G_fpos_t
{
__off_t __pos;
__mbstate_t __state;
} __fpos_t;
# 40 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/bits/types/__fpos64_t.h" 3 4
typedef struct _G_fpos64_t
{
__off64_t __pos;
__mbstate_t __state;
} __fpos64_t;
# 41 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/__FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE __FILE;
# 42 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/FILE.h" 1 3 4
struct _IO_FILE;
typedef struct _IO_FILE FILE;
# 43 "/usr/include/stdio.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 1 3 4
# 35 "/usr/include/x86_64-linux-gnu/bits/types/struct_FILE.h" 3 4
struct _IO_FILE;
struct _IO_marker;
struct _IO_codecvt;
struct _IO_wide_data;
typedef void _IO_lock_t;
struct _IO_FILE
{
int _flags;
char *_IO_read_ptr;
char *_IO_read_end;
char *_IO_read_base;
char *_IO_write_base;
char *_IO_write_ptr;
char *_IO_write_end;
char *_IO_buf_base;
char *_IO_buf_end;
char *_IO_save_base;
char *_IO_backup_base;
char *_IO_save_end;
struct _IO_marker *_markers;
struct _IO_FILE *_chain;
int _fileno;
int _flags2;
__off_t _old_offset;
unsigned short _cur_column;
signed char _vtable_offset;
char _shortbuf[1];
_IO_lock_t *_lock;
__off64_t _offset;
struct _IO_codecvt *_codecvt;
struct _IO_wide_data *_wide_data;
struct _IO_FILE *_freeres_list;
void *_freeres_buf;
size_t __pad5;
int _mode;
char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
};
# 44 "/usr/include/stdio.h" 2 3 4
# 52 "/usr/include/stdio.h" 3 4
typedef __gnuc_va_list va_list;
# 84 "/usr/include/stdio.h" 3 4
typedef __fpos_t fpos_t;
# 133 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdio_lim.h" 1 3 4
# 134 "/usr/include/stdio.h" 2 3 4
extern FILE *stdin;
extern FILE *stdout;
extern FILE *stderr;
extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));
extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));
extern int renameat (int __oldfd, const char *__old, int __newfd,
const char *__new) __attribute__ ((__nothrow__ , __leaf__));
# 173 "/usr/include/stdio.h" 3 4
extern FILE *tmpfile (void) ;
# 187 "/usr/include/stdio.h" 3 4
extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
# 204 "/usr/include/stdio.h" 3 4
extern char *tempnam (const char *__dir, const char *__pfx)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;
extern int fclose (FILE *__stream);
extern int fflush (FILE *__stream);
# 227 "/usr/include/stdio.h" 3 4
extern int fflush_unlocked (FILE *__stream);
# 246 "/usr/include/stdio.h" 3 4
extern FILE *fopen (const char *__restrict __filename,
const char *__restrict __modes) ;
extern FILE *freopen (const char *__restrict __filename,
const char *__restrict __modes,
FILE *__restrict __stream) ;
# 279 "/usr/include/stdio.h" 3 4
extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;
# 292 "/usr/include/stdio.h" 3 4
extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
__attribute__ ((__nothrow__ , __leaf__)) ;
extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));
extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));
extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
size_t __size) __attribute__ ((__nothrow__ , __leaf__));
extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int fprintf (FILE *__restrict __stream,
const char *__restrict __format, ...);
extern int printf (const char *__restrict __format, ...);
extern int sprintf (char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__));
extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg);
extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
extern int vsprintf (char *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg) __attribute__ ((__nothrow__));
extern int snprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, ...)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));
extern int vsnprintf (char *__restrict __s, size_t __maxlen,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));
# 379 "/usr/include/stdio.h" 3 4
extern int vdprintf (int __fd, const char *__restrict __fmt,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, const char *__restrict __fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
extern int fscanf (FILE *__restrict __stream,
const char *__restrict __format, ...) ;
extern int scanf (const char *__restrict __format, ...) ;
extern int sscanf (const char *__restrict __s,
const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));
extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf")
;
extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf")
;
extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__))
;
# 432 "/usr/include/stdio.h" 3 4
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
__gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s,
const char *__restrict __format, __gnuc_va_list __arg)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf")
__attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf")
__attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__))
__attribute__ ((__format__ (__scanf__, 2, 0)));
# 485 "/usr/include/stdio.h" 3 4
extern int fgetc (FILE *__stream);
extern int getc (FILE *__stream);
extern int getchar (void);
extern int getc_unlocked (FILE *__stream);
extern int getchar_unlocked (void);
# 510 "/usr/include/stdio.h" 3 4
extern int fgetc_unlocked (FILE *__stream);
# 521 "/usr/include/stdio.h" 3 4
extern int fputc (int __c, FILE *__stream);
extern int putc (int __c, FILE *__stream);
extern int putchar (int __c);
# 537 "/usr/include/stdio.h" 3 4
extern int fputc_unlocked (int __c, FILE *__stream);
extern int putc_unlocked (int __c, FILE *__stream);
extern int putchar_unlocked (int __c);
extern int getw (FILE *__stream);
extern int putw (int __w, FILE *__stream);
extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
;
# 603 "/usr/include/stdio.h" 3 4
extern __ssize_t __getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getdelim (char **__restrict __lineptr,
size_t *__restrict __n, int __delimiter,
FILE *__restrict __stream) ;
extern __ssize_t getline (char **__restrict __lineptr,
size_t *__restrict __n,
FILE *__restrict __stream) ;
extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
extern int puts (const char *__s);
extern int ungetc (int __c, FILE *__stream);
extern size_t fread (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __s);
# 673 "/usr/include/stdio.h" 3 4
extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
size_t __n, FILE *__restrict __stream);
extern int fseek (FILE *__stream, long int __off, int __whence);
extern long int ftell (FILE *__stream) ;
extern void rewind (FILE *__stream);
# 707 "/usr/include/stdio.h" 3 4
extern int fseeko (FILE *__stream, __off_t __off, int __whence);
extern __off_t ftello (FILE *__stream) ;
# 731 "/usr/include/stdio.h" 3 4
extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
extern int fsetpos (FILE *__stream, const fpos_t *__pos);
# 757 "/usr/include/stdio.h" 3 4
extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void perror (const char *__s);
# 1 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 1 3 4
# 26 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 3 4
extern int sys_nerr;
extern const char *const sys_errlist[];
# 782 "/usr/include/stdio.h" 2 3 4
extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
# 800 "/usr/include/stdio.h" 3 4
extern FILE *popen (const char *__command, const char *__modes) ;
extern int pclose (FILE *__stream);
extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));
# 840 "/usr/include/stdio.h" 3 4
extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
# 858 "/usr/include/stdio.h" 3 4
extern int __uflow (FILE *);
extern int __overflow (FILE *, int);
# 873 "/usr/include/stdio.h" 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 2
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
void __DSVERIFIER_assume(_Bool expression){
__CPROVER_assume(expression);
}
void __DSVERIFIER_assert(_Bool expression){
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 36, __extension__ __PRETTY_FUNCTION__); }))
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
void __DSVERIFIER_assert_msg(_Bool expression, char * msg){
printf("%s", msg);
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
((void) sizeof ((
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
expression
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
) ; else __assert_fail (
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
"expression"
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h", 41, __extension__ __PRETTY_FUNCTION__); }))
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/compatibility.h"
;
}
# 22 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 1
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
# 1 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 1 3 4
# 9 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 3 4
# 1 "/usr/include/stdint.h" 1 3 4
# 26 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/libc-header-start.h" 1 3 4
# 27 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
# 29 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 30 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h" 3 4
typedef __uint8_t uint8_t;
typedef __uint16_t uint16_t;
typedef __uint32_t uint32_t;
typedef __uint64_t uint64_t;
# 38 "/usr/include/stdint.h" 2 3 4
typedef __int_least8_t int_least8_t;
typedef __int_least16_t int_least16_t;
typedef __int_least32_t int_least32_t;
typedef __int_least64_t int_least64_t;
typedef __uint_least8_t uint_least8_t;
typedef __uint_least16_t uint_least16_t;
typedef __uint_least32_t uint_least32_t;
typedef __uint_least64_t uint_least64_t;
typedef signed char int_fast8_t;
typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 71 "/usr/include/stdint.h" 3 4
typedef unsigned char uint_fast8_t;
typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 87 "/usr/include/stdint.h" 3 4
typedef long int intptr_t;
typedef unsigned long int uintptr_t;
# 101 "/usr/include/stdint.h" 3 4
typedef __intmax_t intmax_t;
typedef __uintmax_t uintmax_t;
# 10 "/usr/lib/gcc/x86_64-linux-gnu/9/include/stdint.h" 2 3 4
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 1 "/usr/include/inttypes.h" 1 3 4
# 34 "/usr/include/inttypes.h" 3 4
typedef int __gwchar_t;
# 266 "/usr/include/inttypes.h" 3 4
typedef struct
{
long int quot;
long int rem;
} imaxdiv_t;
# 290 "/usr/include/inttypes.h" 3 4
extern intmax_t imaxabs (intmax_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern intmax_t strtoimax (const char *__restrict __nptr,
char **__restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t strtoumax (const char *__restrict __nptr,
char ** __restrict __endptr, int __base) __attribute__ ((__nothrow__ , __leaf__));
extern intmax_t wcstoimax (const __gwchar_t *__restrict __nptr,
__gwchar_t **__restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
extern uintmax_t wcstoumax (const __gwchar_t *__restrict __nptr,
__gwchar_t ** __restrict __endptr, int __base)
__attribute__ ((__nothrow__ , __leaf__));
# 432 "/usr/include/inttypes.h" 3 4
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h" 2
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
extern implementation impl;
typedef int64_t fxp_t;
fxp_t _fxp_one;
fxp_t _fxp_half;
fxp_t _fxp_minus_one;
fxp_t _fxp_min;
fxp_t _fxp_max;
double _dbl_max;
double _dbl_min;
fxp_t _fxp_fmask;
fxp_t _fxp_imask;
static const double scale_factor[31] = { 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0,
128.0, 256.0, 512.0, 1024.0, 2048.0, 4096.0, 8192.0, 16384.0, 32768.0,
65536.0, 131072.0, 262144.0, 524288.0, 1048576.0, 2097152.0, 4194304.0,
8388608.0, 16777216.0, 33554432.0, 67108864.0, 134217728.0,
268435456.0, 536870912.0, 1073741824.0 };
static const double scale_factor_inv[31] = { 1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.015625, 0.0078125, 0.00390625, 0.001953125, 0.0009765625,
0.00048828125, 0.000244140625, 0.0001220703125, 0.00006103515625,
0.000030517578125, 0.000015258789063, 0.000007629394531,
0.000003814697266, 0.000001907348633, 0.000000953674316,
0.000000476837158, 0.000000238418579, 0.000000119209290,
0.000000059604645, 0.000000029802322, 0.000000014901161,
0.000000007450581, 0.000000003725290, 0.000000001862645,
0.000000000931323 };
static const float rand_uni[10000] = { -0.486240329978498f, -0.0886462298529236f, -0.140307596103306f, 0.301096597450952f, 0.0993171079928659f, 0.971751769763271f, 0.985173975730828f, 0.555993645184930f, 0.582088652691427f, -0.153377496651175f, 0.383610009058905f, -0.335724126391271f, 0.978768141636516f, -0.276250018648572f, 0.390075705739569f, -0.179022404038782f, 0.690083827115783f, -0.872530132490992f, -0.970585763293203f, -0.581476053441704f, -0.532614615674888f, -0.239699306693312f, -0.678183014035494f, 0.349502640932782f, -0.210469890686263f, 0.841262085391842f, -0.473585465151401f, 0.659383565443701f, -0.651160036945754f, -0.961043527561335f, -0.0814927639199137f, 0.621303110569702f, -0.784529166943541f, 0.0238464770757800f, 0.392694728594110f, 0.776848735202001f, 0.0870059709310509f, 0.880563655271790f, 0.883457036977564f, -0.249235082877382f, -0.691040749216870f, 0.578731120064320f, -0.973932858000832f, -0.117699105431720f, -0.723831748151088f, -0.483149657477524f, -0.821277691383664f, -0.459725618100875f, 0.148175952221864f, 0.444306875534854f, -0.325610376336498f, 0.544142311404910f, -0.165319440455435f, 0.136706800705517f, 0.543312481350682f, 0.467210959764607f, -0.349266618228534f, -0.660110730565862f, 0.910332331495431f, 0.961049802789367f, -0.786168905164629f, 0.305648402726554f, 0.510815258508885f, 0.0950733260984060f, 0.173750645487898f, 0.144488668408672f, 0.0190031984466126f, -0.299194577636724f, 0.302411647442273f, -0.730462524226212f, 0.688646006554796f, 0.134948379722118f, 0.533716723458894f, -0.00226300779660438f, -0.561340777806718f, 0.450396313744017f, -0.569445876566955f, 0.954155246557698f, -0.255403882430676f, -0.759820984120828f, -0.855279790307514f, -0.147352581758156f, -0.302269055643746f, -0.642038024364086f, -0.367405981107491f, 0.491844011712164f, -0.542191710121194f, -0.938294043323732f, 0.683979894338020f, 0.294728290855287f, 0.00662691839443919f, -0.931040350582855f, 0.152356209974418f, 0.678620860551457f, -0.534989269238408f, 0.932096367913226f, -0.0361062818028513f, -0.847189697149530f, -0.975903030160255f, 0.623293205784014f, -0.661289688031659f, 0.724486055119603f, 0.307504095172835f, 0.00739266163731767f, -0.393681596442097f, 0.0313739422974388f, 0.0768157689673350f, -0.652063346886817f, 0.864188030044388f, -0.588932092781034f, 0.496015896758580f, -0.872858269231211f, 0.978780599551039f, -0.504887732991147f, -0.462378791937628f, 0.0141726829338038f, 0.769610007653591f, 0.945233033188923f, -0.782235375325016f, -0.832206533738799f, 0.745634368088673f, -0.696969510157151f, -0.0674631869948374f, -0.123186450806584f, -0.359158959141949f, -0.393882649464391f, 0.441371446689899f, -0.829394270569736f, -0.301502651277431f, -0.996215501187289f, 0.934634037393066f, -0.282431114746289f, -0.927550795619590f, -0.437037530043415f, -0.360426812995980f, 0.949549724575862f, 0.502784616197919f, 0.800771681422909f, -0.511398929004089f, 0.309288504642554f, -0.207261227890933f, 0.930587995125773f, -0.777029876696670f, -0.489329175755640f, -0.134595132329858f, 0.285771358983518f, 0.182331373854387f, -0.544110494560697f, 0.278439882883985f, -0.556325158102182f, 0.579043806545889f, 0.134648133801916f, 0.602850725479294f, -0.151663563868883f, 0.180694361855878f, -0.651591295315595f, 0.281129147768056f, -0.580047306475484f, 0.687883075491433f, 0.279398670804288f, -0.853428128249503f, -0.532609367372680f, -0.821156786377917f, -0.181273229058573f, -0.983898569846882f, -0.0964374318311501f, 0.880923372124250f, 0.102643371392389f, 0.893615387135596f, -0.259276649383649f, 0.699287743639363f, 0.402940604635828f, -0.110721596226581f, 0.0846246472582877f, 0.820733021865405f, 0.795578903285308f, -0.495144122011537f, 0.273150029257472f, -0.268249949701437f, 0.231982193341980f, 0.694211299124074f, 0.859950868718233f, 0.959483382623794f, -0.422972626833543f, -0.109621798738360f, 0.433094703426531f, 0.694025903378851f, 0.374478987547435f, -0.293668545105608f, -0.396213864190828f, -0.0632095887099047f, -0.0285139536748673f, 0.831794132192390f, -0.548543088139238f, 0.791869201724680f, 0.325211484201845f, 0.155274810721772f, -0.112383643064821f, -0.674403070297721f, 0.642801068229810f, -0.615712048835242f, -0.322576771285566f, -0.409336818836595f, 0.548069973193770f, -0.386353709407947f, -0.0741664985357784f, 0.619639599324983f, -0.815703814931314f, 0.965550307223862f, 0.623407852683828f, -0.789634372832984f, 0.736750050047572f, -0.0269443926793700f, 0.00545706093721488f, -0.315712479832091f, -0.890110021644720f, -0.869390443173846f, -0.381538869981866f, -0.109498998005949f, 0.131433952330613f, -0.233452413139316f, 0.660289822785465f, 0.543381186340023f, -0.384712418750451f, -0.913477554164890f, 0.767102957655267f, -0.115129944521936f, -0.741161985822647f, -0.0604180020782450f, -0.819131535144059f, -0.409539679760029f, 0.574419252943637f, -0.0440704617157433f, 0.933173744590532f, 0.261360623390448f, -0.880290575543046f, 0.329806293425492f, 0.548915621667952f, 0.635187167795234f, -0.611034070318967f, 0.458196727901944f, 0.397377226781023f, 0.711941361933987f, 0.782147744383368f, -0.00300685339552631f, 0.384687233450957f, 0.810102466029521f, 0.452919847968424f, -0.183164257016897f, -0.755603185485427f, -0.604334477365858f, -0.786222413488860f, -0.434887500763099f, -0.678845635625581f, -0.381200370488331f, -0.582350534916068f, -0.0444427346996734f, 0.116237247526397f, -0.364680921206275f, -0.829395404347498f, -0.258574590032613f, -0.910082114298859f, 0.501356900925997f, 0.0295361922006900f, -0.471786618165219f, 0.536352925101547f, -0.316120662284464f, -0.168902841718737f, 0.970850119987976f, -0.813818666854395f, -0.0861183123848732f, 0.866784827877161f, 0.535966478165739f, -0.806958669103425f, -0.627307415616045f, -0.686618354673079f, 0.0239165685193152f, 0.525427699287402f, 0.834079334357391f, -0.527333932295852f, 0.130970034225907f, -0.790218350377199f, 0.399338640441987f, 0.133591886379939f, -0.181354311053254f, 0.420121912637914f, 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# 102 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t wrap(fxp_t kX, fxp_t kLowerBound, fxp_t kUpperBound)
{
int32_t range_size = kUpperBound - kLowerBound + 1;
if (kX < kLowerBound){
kX += range_size * ((kLowerBound - kX) / range_size + 1);
}
return kLowerBound + (kX - kLowerBound) % range_size;
}
fxp_t fxp_get_int_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_imask) : in & _fxp_imask);
}
fxp_t fxp_get_frac_part(fxp_t in) {
return ((in < 0) ? -((-in) & _fxp_fmask) : in & _fxp_fmask);
}
float fxp_to_float(fxp_t fxp);
fxp_t fxp_quantize(fxp_t aquant) {
if (overflow_mode == 2) {
if(aquant < _fxp_min) {
return _fxp_min;
}
else if(aquant > _fxp_max) {
return _fxp_max;
}
}
else if (overflow_mode == 3) {
if(aquant < _fxp_min || aquant > _fxp_max) {
return wrap(aquant, _fxp_min, _fxp_max);
}
}
return (fxp_t) aquant;
}
void fxp_verify_overflow(fxp_t value){
fxp_quantize(value);
printf("An Overflow Occurred in system's output");
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
void fxp_verify_overflow_node(fxp_t value, char* msg){
if (2 == 2)
{
printf("%s",msg);
__DSVERIFIER_assert(value <= _fxp_max && value >= _fxp_min);
}
}
void fxp_verify_overflow_array(fxp_t array[], int n){
int i=0;
for(i=0; i<n;i++){
fxp_verify_overflow(array[i]);
}
}
fxp_t fxp_int_to_fxp(int in) {
fxp_t lin;
lin = (fxp_t) in*_fxp_one;
return lin;
}
int fxp_to_int(fxp_t fxp) {
if(fxp >= 0){
fxp += _fxp_half;
} else {
fxp -= _fxp_half;
}
fxp >>= impl.frac_bits;
return (int) fxp;
}
fxp_t fxp_float_to_fxp(float f) {
fxp_t tmp;
double ftemp;
ftemp = f * scale_factor[impl.frac_bits];
if(f >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
return tmp;
}
fxp_t fxp_double_to_fxp(double value) {
fxp_t tmp;
double ftemp = value * scale_factor[impl.frac_bits];
if (rounding_mode == 0){
if(value >= 0) {
tmp = (fxp_t)(ftemp + 0.5);
}
else {
tmp = (fxp_t)(ftemp - 0.5);
}
} else if(rounding_mode == 1){
tmp = (fxp_t) ftemp;
double residue = ftemp - tmp;
if ((value < 0) && (residue != 0)){
ftemp = ftemp - 1;
tmp = (fxp_t) ftemp;
}
} else if (rounding_mode == 0){
tmp = (fxp_t) ftemp;
}
return tmp;
}
void fxp_float_to_fxp_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_float_to_fxp(f[i]);
}
}
void fxp_double_to_fxp_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
r[i] = fxp_double_to_fxp(f[i]);
}
}
# 275 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
float fxp_to_float(fxp_t fxp) {
float f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
double fxp_to_double(fxp_t fxp) {
double f;
int f_int = (int) fxp;
f = f_int * scale_factor_inv[impl.frac_bits];
return f;
}
void fxp_to_float_array(float f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_float(r[i]);
}
}
void fxp_to_double_array(double f[], fxp_t r[], int N) {
int i;
for(i = 0; i < N; ++i) {
f[i] = fxp_to_double(r[i]);
}
}
fxp_t fxp_abs(fxp_t a) {
fxp_t tmp;
tmp = ((a < 0) ? -(fxp_t)(a) : a);
tmp = fxp_quantize(tmp);
return tmp;
}
fxp_t fxp_add(fxp_t aadd, fxp_t badd) {
fxp_t tmpadd;
tmpadd = ((fxp_t)(aadd) + (fxp_t)(badd));
tmpadd = fxp_quantize(tmpadd);
return tmpadd;
}
fxp_t fxp_sub(fxp_t asub, fxp_t bsub) {
fxp_t tmpsub;
tmpsub = (fxp_t)((fxp_t)(asub) - (fxp_t)(bsub));
tmpsub = fxp_quantize(tmpsub);
return tmpsub;
}
fxp_t fxp_mult(fxp_t amult, fxp_t bmult) {
fxp_t tmpmult, tmpmultprec;
tmpmult = (fxp_t)((fxp_t)(amult)*(fxp_t)(bmult));
if (tmpmult >= 0) {
tmpmultprec = (tmpmult + ((tmpmult & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits;
} else {
tmpmultprec = -(((-tmpmult) + (((-tmpmult) & 1 << (impl.frac_bits - 1)) << 1)) >> impl.frac_bits);
}
tmpmultprec = fxp_quantize(tmpmultprec);
return tmpmultprec;
}
# 372 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_div(fxp_t a, fxp_t b){
__DSVERIFIER_assume( b!=0 );
fxp_t tmpdiv = ((a << impl.frac_bits) / b);
tmpdiv = fxp_quantize(tmpdiv);
return tmpdiv;
}
fxp_t fxp_neg(fxp_t aneg) {
fxp_t tmpneg;
tmpneg = -(fxp_t)(aneg);
tmpneg = fxp_quantize(tmpneg);
return tmpneg;
}
# 398 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/fixed-point.h"
fxp_t fxp_sign(fxp_t a) {
return ((a == 0) ? 0 : ((a < 0) ? _fxp_minus_one : _fxp_one) );
}
fxp_t fxp_shrl(fxp_t in, int shift) {
return (fxp_t) (((unsigned int) in) >> shift);
}
fxp_t fxp_square(fxp_t a) {
return fxp_mult(a, a);
}
void fxp_print_int(fxp_t a) {
printf("\n%i", (int32_t)a);
}
void fxp_print_float(fxp_t a) {
printf("\n%f", fxp_to_float(a));
}
void fxp_print_float_array(fxp_t a[], int N) {
int i;
for(i = 0; i < N; ++i) {
printf("\n%f", fxp_to_float(a[i]));
}
}
void print_fxp_array_elements(char * name, fxp_t * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %jd ", v[i]);
}
printf("}\n");
}
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 1
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
void initialize_array(double v[], int n){
int i;
for(i=0; i<n; i++){
v[i] = 0;
}
}
void revert_array(double v[], double out[], int n){
initialize_array(out,n);
int i;
for(i=0; i<n; i++){
out[i] = v[n-i-1];
}
}
double internal_pow(double a, double b){
int i;
double acc = 1;
for (i=0; i < b; i++){
acc = acc*a;
}
return acc;
}
double internal_abs(double a){
return a < 0 ? -a : a;
}
int fatorial(int n){
return n == 0 ? 1 : n * fatorial(n-1);
}
int check_stability(double a[], int n){
int lines = 2 * n - 1;
int columns = n;
double m[lines][n];
int i,j;
double current_stability[n];
for (i=0; i < n; i++){
current_stability[i] = a[i];
}
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
if (sum <= 0){
printf("[DEBUG] the first constraint of Jury criteria failed: (F(1) > 0)");
return 0;
}
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
if (sum <= 0){
printf("[DEBUG] the second constraint of Jury criteria failed: (F(-1)*(-1)^n > 0)");
return 0;
}
if (internal_abs(a[n-1]) > a[0]){
printf("[DEBUG] the third constraint of Jury criteria failed: (abs(a0) < a_{n}*z^{n})");
return 0;
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
}
}
for (i=0; i < lines; i++){
for (j=0; j < columns; j++){
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
}
}
}
int first_is_positive = m[0][0] >= 0 ? 1 : 0;
for (i=0; i < lines; i++){
if (i % 2 == 0){
int line_is_positive = m[i][0] >= 0 ? 1 : 0;
if (first_is_positive != line_is_positive){
return 0;
}
continue;
}
}
return 1;
}
void poly_sum(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
Nans = Na>Nb? Na:Nb;
for (i=0; i<Nans; i++){
if (Na>Nb){
ans[i]=a[i];
if (i > Na-Nb-1){
ans[i]=ans[i]+b[i-Na+Nb];
}
}else {
ans[i]=b[i];
if (i> Nb - Na -1){
ans[i]=ans[i]+a[i-Nb+Na];
}
}
}
}
void poly_mult(double a[], int Na, double b[], int Nb, double ans[], int Nans){
int i;
int j;
int k;
Nans = Na+Nb-1;
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=0;
}
}
for (i=0; i<Na; i++){
for (j=0; j<Nb; j++){
k= Na + Nb - i - j - 2;
ans[k]=ans[k]+a[Na - i - 1]*b[Nb - j - 1];
}
}
}
void double_check_oscillations(double * y, int y_size){
__DSVERIFIER_assume(y[0] != y[y_size - 1]);
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
((void) sizeof ((
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
!(window_count == window_size)
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
) ; else __assert_fail (
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
"!(window_count == window_size)"
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h", 209, __extension__ __PRETTY_FUNCTION__); }))
# 209 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/util.h"
;
}
}else{
break;
}
window_timer++;
}
}
}
void double_check_limit_cycle(double * y, int y_size){
double reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assert(desired_elements != found_elements);
}
void double_check_persistent_limit_cycle(double * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
double reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
double lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void print_array_elements(char * name, double * v, int n){
printf("%s = {", name);
int i;
for(i=0; i < n; i++){
printf(" %.32f ", v[i]);
}
printf("}\n");
}
void double_add_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] + m2[i][j];
}
}
}
void double_sub_matrix( unsigned int lines, unsigned int columns, double m1[4][4], double m2[4][4], double result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
result[i][j] = m1[i][j] - m2[i][j];
}
}
}
void double_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, double m1[4][4], double m2[4][4], double m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
double mult = (m1[i][k] * m2[k][j]);
m3[i][j] = m3[i][j] + (m1[i][k] * m2[k][j]);
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_matrix_multiplication( unsigned int i1, unsigned int j1, unsigned int i2, unsigned int j2, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t m3[4][4]){
unsigned int i, j, k;
if (j1 == i2) {
for (i=0; i<i1; i++) {
for (j=0; j<j2; j++) {
m3[i][j] = 0;
}
}
for (i=0;i<i1; i++) {
for (j=0; j<j2; j++) {
for (k=0; k<j1; k++) {
m3[i][j] = fxp_add( m3[i][j], fxp_mult(m1[i][k] , m2[k][j]));
}
}
}
} else {
printf("\nError! Operation invalid, please enter with valid matrices.\n");
}
}
void fxp_exp_matrix(unsigned int lines, unsigned int columns, fxp_t m1[4][4], unsigned int expNumber, fxp_t result[4][4]){
unsigned int i, j, l, k;
fxp_t m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = fxp_double_to_fxp(1.0);
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = fxp_add( result[i][j], fxp_mult(m2[i][k] , m1[k][j]));
}
}
}
}
}
void double_exp_matrix(unsigned int lines, unsigned int columns, double m1[4][4], unsigned int expNumber, double result[4][4]){
unsigned int i, j, k, l;
double m2[4][4];
if(expNumber == 0){
for (i = 0; i < lines; i++){
for (j = 0; j < columns; j++){
if(i == j){
result[i][j] = 1.0;
} else {
result[i][j] = 0.0;
}
}
}
return;
}
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = m1[i][j];
if(expNumber == 1){
return;
}
for(l = 1; l < expNumber; l++){
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) m2[i][j] = result[i][j];
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = 0;
for (i=0;i<lines; i++) {
for (j=0; j<columns; j++) {
for (k=0; k<columns; k++) {
result[i][j] = result[i][j] + (m2[i][k] * m1[k][j]);
}
}
}
}
}
void fxp_add_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) {
result[i][j] = fxp_add(m1[i][j] , m2[i][j]);
}
}
void fxp_sub_matrix( unsigned int lines, unsigned int columns, fxp_t m1[4][4], fxp_t m2[4][4], fxp_t result[4][4]){
unsigned int i, j;
for (i = 0; i < lines; i++)
for (j = 0; j < columns; j++) result[i][j] = fxp_sub(m1[i][j] , m2[i][j]);
}
void print_matrix(double matrix[4][4], unsigned int lines, unsigned int columns){
printf("\nMatrix\n=====================\n\n");
unsigned int i, j;
for (i=0; i<lines; i++) {
for (j=0; j<columns; j++) {
printf("#matrix[%d][%d]: %2.2f ", i,j,matrix[i][j]);
}
printf("\n");
}
printf("\n");
}
double determinant(double a[4][4],int n)
{
int i,j,j1,j2;
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
double fxp_determinant(fxp_t a_fxp[4][4],int n)
{
int i,j,j1,j2;
double a[4][4];
for(i=0; i<n;i++){
for(j=0; j<n;j++){
a[i][j]= fxp_to_double(a_fxp[i][j]);
}
}
double det = 0;
double m[4][4];
if (n < 1) {
} else if (n == 1) {
det = a[0][0];
} else if (n == 2) {
det = a[0][0] * a[1][1] - a[1][0] * a[0][1];
} else {
det = 0;
for (j1=0;j1<n;j1++) {
for (i=0;i<n-1;i++)
for (i=1;i<n;i++) {
j2 = 0;
for (j=0;j<n;j++) {
if (j == j1)
continue;
m[i-1][j2] = a[i][j];
j2++;
}
}
det += internal_pow(-1.0,1.0+j1+1.0) * a[0][j1] * determinant(m,n-1);
}
}
return(det);
}
void transpose(double a[4][4], double b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
void fxp_transpose(fxp_t a[4][4], fxp_t b[4][4],int n, int m)
{
int i,j;
for (i=0;i<n;i++) {
for (j=0;j<m;j++) {
b[j][i] = a[i][j];
}
}
}
# 24 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
extern int generic_timer;
extern hardware hw;
double generic_timing_shift_l_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[0];
generic_timer += ((5 * hw.assembly.ldd) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.ld));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < N - 1; i++) {
generic_timer += ((17 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (6 * hw.assembly.mov) + (2 * hw.assembly.adiw) + (5 * hw.assembly.std) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbc)+ (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
z[i] = z[i + 1];
}
z[N - 1] = zIn;
generic_timer += ((12 * hw.assembly.ldd) + (6 * hw.assembly.mov) + (3 * hw.assembly.std) + (2 * hw.assembly.lsl) + (2 * hw.assembly.rol) + (1 * hw.assembly.adc) + (1 * hw.assembly.add) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in)+ (1 * hw.assembly.cli));
generic_timer += ((3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret));
return (zOut);
}
double generic_timing_shift_r_double(double zIn, double z[], int N) {
generic_timer += ((2 * hw.assembly.push) + (3 * hw.assembly.in) + (3 * hw.assembly.out) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (8 * hw.assembly.std));
int i;
double zOut;
zOut = z[N - 1];
generic_timer += ((7 * hw.assembly.ldd) + (2 * hw.assembly.rol) + (2 * hw.assembly.lsl) + (2 * hw.assembly.mov) + (4 * hw.assembly.std) + (1 * hw.assembly.add) + (1 * hw.assembly.adc) + (1 * hw.assembly.ld) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci));
generic_timer += ((2 * hw.assembly.ldd) + (2 * hw.assembly.std) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.rjmp));
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
generic_timer += ((15 * hw.assembly.ldd) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (4 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.ld) + (1 * hw.assembly.st) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
}
z[0] = zIn;
generic_timer += ((10 * hw.assembly.ldd) + (5 * hw.assembly.mov) + (3 * hw.assembly.std) + (3 * hw.assembly.out) + (2 * hw.assembly.pop) + (1 * hw.assembly.ret) + (1 * hw.assembly.ret) + (1 * hw.assembly.cli) + (1 * hw.assembly.in) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw));
return zOut;
}
fxp_t shiftL(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
fxp_t shiftR(fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
float shiftLfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
float shiftRfloat(float zIn, float z[], int N) {
int i;
float zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftRDdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
double shiftRdouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
}
z[0] = zIn;
return zOut;
}
double shiftLDouble(double zIn, double z[], int N) {
int i;
double zOut;
zOut = z[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
}
z[N - 1] = zIn;
return (zOut);
}
void shiftLboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[0];
zfOut = zf[0];
for (i = 0; i < N - 1; i++) {
z[i] = z[i + 1];
zf[i] = zf[i + 1];
}
z[N - 1] = zIn;
zf[N - 1] = zfIn;
}
void shiftRboth(float zfIn, float zf[], fxp_t zIn, fxp_t z[], int N) {
int i;
fxp_t zOut;
float zfOut;
zOut = z[N - 1];
zfOut = zf[N - 1];
for (i = N - 1; i > 0; i--) {
z[i] = z[i - 1];
zf[i] = zf[i - 1];
}
z[0] = zIn;
zf[0] = zfIn;
}
int order(int Na, int Nb) {
return Na > Nb ? Na - 1 : Nb - 1;
}
void fxp_check_limit_cycle(fxp_t y[], int y_size){
fxp_t reference = y[y_size - 1];
int idx = 0;
int window_size = 1;
for(idx = (y_size-2); idx >= 0; idx--){
if (y[idx] != reference){
window_size++;
}else{
break;
}
}
__DSVERIFIER_assume(window_size != y_size && window_size != 1);
printf("window_size %d\n", window_size);
int desired_elements = 2 * window_size;
int found_elements = 0;
for(idx = (y_size-1); idx >= 0; idx--){
if (idx > (y_size-window_size-1)){
printf("%.0f == %.0f\n", y[idx], y[idx-window_size]);
int cmp_idx = idx - window_size;
if ((cmp_idx > 0) && (y[idx] == y[idx-window_size])){
found_elements = found_elements + 2;
}else{
break;
}
}
}
__DSVERIFIER_assume(found_elements > 0);
printf("desired_elements %d\n", desired_elements);
printf("found_elements %d\n", found_elements);
__DSVERIFIER_assume(found_elements == desired_elements);
__DSVERIFIER_assert(0);
}
void fxp_check_persistent_limit_cycle(fxp_t * y, int y_size){
int idy = 0;
int count_same = 0;
int window_size = 0;
fxp_t reference = y[0];
for(idy = 0; idy < y_size; idy++){
if (y[idy] != reference){
window_size++;
} else if (window_size != 0){
break;
} else {
count_same++;
}
}
window_size += count_same;
__DSVERIFIER_assume(window_size > 1 && window_size <= y_size/2);
fxp_t lco_elements[window_size];
for(idy = 0; idy < y_size; idy++){
if (idy < window_size){
lco_elements[idy] = y[idy];
}
}
idy = 0;
int lco_idy = 0;
_Bool is_persistent = 0;
while (idy < y_size){
if(y[idy++] == lco_elements[lco_idy++]){
is_persistent = 1;
}else{
is_persistent = 0;
break;
}
if (lco_idy == window_size){
lco_idy = 0;
}
}
__DSVERIFIER_assert(is_persistent == 0);
}
void fxp_check_oscillations(fxp_t y[] , int y_size){
__DSVERIFIER_assume((y[0] != y[y_size - 1]) && (y[y_size - 1] != y[y_size - 2]));
int window_timer = 0;
int window_count = 0;
int i, j;
for (i = 2; i < y_size; i++){
int window_size = i;
for(j=0; j<y_size; j++){
if (window_timer > window_size){
window_timer = 0;
window_count = 0;
}
int window_index = j + window_size;
if (window_index < y_size){
if (y[j] == y[window_index]){
window_count++;
__DSVERIFIER_assert(!(window_count == window_size));
}
}else{
break;
}
window_timer++;
}
}
}
int fxp_ln(int x) {
int t, y;
y = 0xa65af;
if (x < 0x00008000)
x <<= 16, y -= 0xb1721;
if (x < 0x00800000)
x <<= 8, y -= 0x58b91;
if (x < 0x08000000)
x <<= 4, y -= 0x2c5c8;
if (x < 0x20000000)
x <<= 2, y -= 0x162e4;
if (x < 0x40000000)
x <<= 1, y -= 0x0b172;
t = x + (x >> 1);
if ((t & 0x80000000) == 0)
x = t, y -= 0x067cd;
t = x + (x >> 2);
if ((t & 0x80000000) == 0)
x = t, y -= 0x03920;
t = x + (x >> 3);
if ((t & 0x80000000) == 0)
x = t, y -= 0x01e27;
t = x + (x >> 4);
if ((t & 0x80000000) == 0)
x = t, y -= 0x00f85;
t = x + (x >> 5);
if ((t & 0x80000000) == 0)
x = t, y -= 0x007e1;
t = x + (x >> 6);
if ((t & 0x80000000) == 0)
x = t, y -= 0x003f8;
t = x + (x >> 7);
if ((t & 0x80000000) == 0)
x = t, y -= 0x001fe;
x = 0x80000000 - x;
y -= x >> 15;
return y;
}
double fxp_log10_low(double x) {
int xint = (int) (x * 65536.0 + 0.5);
int lnum = fxp_ln(xint);
int lden = fxp_ln(655360);
return ((double) lnum / (double) lden);
}
double fxp_log10(double x) {
if (x > 32767.0) {
if (x > 1073676289.0) {
x = x / 1073676289.0;
return fxp_log10_low(x) + 9.030873362;
}
x = x / 32767.0;
return fxp_log10_low(x) + 4.515436681;
}
return fxp_log10_low(x);
}
float snrVariance(float s[], float n[], int blksz) {
int i;
double sm = 0, nm = 0, sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sm += s[i];
nm += n[i];
}
sm /= blksz;
nm /= blksz;
for (i = 0; i < blksz; i++) {
sv += (s[i] - sm) * (s[i] - sm);
nv += (n[i] - nm) * (n[i] - nm);
}
if (nv != 0.0f) {
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 373, __extension__ __PRETTY_FUNCTION__); }))
# 373 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPower(float s[], float n[], int blksz) {
int i;
double sv = 0, nv = 0, snr;
for (i = 0; i < blksz; i++) {
sv += s[i] * s[i];
nv += n[i] * n[i];
}
if (nv != 0.0f) {
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
sv >= nv
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"sv >= nv"
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 394, __extension__ __PRETTY_FUNCTION__); }))
# 394 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
snr = sv / nv;
return snr;
} else {
return 9999.9f;
}
}
float snrPoint(float s[], float n[], int blksz) {
int i;
double ratio = 0, power = 0;
for (i = 0; i < blksz; i++) {
if(n[i] == 0) continue;
ratio = s[i] / n[i];
if(ratio > 150.0f || ratio < -150.0f) continue;
power = ratio * ratio;
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
power >= 1.0f
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"power >= 1.0f"
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 412, __extension__ __PRETTY_FUNCTION__); }))
# 412 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
}
return 9999.9f;
}
unsigned long next = 1;
int rand(void)
{
next = next*1103515245 + 12345;
return (unsigned int)(next/65536) % 32768;
}
void srand(unsigned int seed)
{
next = seed;
}
float iirIIOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 450, __extension__ __PRETTY_FUNCTION__); }))
# 450 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return sum;
}
float iirIItOutTime(float w[], float x, float a[], float b[], int Na, int Nb) {
int timer1 = 0;
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 477, __extension__ __PRETTY_FUNCTION__); }))
# 477 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
double iirIItOutTime_double(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
((void) sizeof ((
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
(double)timer1*1 / 16000000 <= (double)1 / 100
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
) ; else __assert_fail (
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
"(double)timer1*CYCLE <= (double)DEADLINE"
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h", 504, __extension__ __PRETTY_FUNCTION__); }))
# 504 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/functions.h"
;
return yout;
}
void iirOutBoth(float yf[], float xf[], float af[], float bf[], float *sumf_ref,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t *sum_ref, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
fxp_t sum = 0;
float sumf = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
af_ptr = &af[1];
yf_ptr = &yf[Na - 1];
bf_ptr = &bf[0];
xf_ptr = &xf[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
sumf += *bf_ptr++ * *xf_ptr--;
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
sumf -= *af_ptr++ * *yf_ptr--;
}
*sum_ref = sum;
*sumf_ref = sumf;
}
fxp_t iirOutFixedL(fxp_t y[], fxp_t x[], fxp_t xin, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
return sum;
}
float iirOutFloatL(float y[], float x[], float xin, float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum += *b_ptr-- * *x_ptr++;
}
x[Nb - 1] = xin;
sum += *b_ptr-- * *x_ptr++;
for (j = 1; j < Na - 1; j++) {
sum -= *a_ptr-- * *y_ptr++;
y[j] = y[j+1];
}
if(Na>1) sum -= *a_ptr-- * *y_ptr++;
y[Na - 1] = sum;
return sum;
}
float iirOutBothL(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i, j;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[i] = xf[i+1];
sumf += *bf_ptr-- * *xf_ptr++;
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(*b_ptr--, *x_ptr++));
xf[Nb - 1] = xfin;
sumf += *bf_ptr-- * *xf_ptr++;
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[j] = y[j+1];
sumf -= *af_ptr-- * *yf_ptr++;
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(*a_ptr--, *y_ptr++));
y[Na - 1] = sum;
if(Na>1) sumf -= *af_ptr-- * *yf_ptr++;
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
float iirOutBothL2(float yf[], float xf[], float af[], float bf[], float xfin,
fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], fxp_t xin, int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[Na - 1];
y_ptr = &y[1];
b_ptr = &b[Nb - 1];
x_ptr = &x[0];
float *af_ptr, *yf_ptr, *bf_ptr, *xf_ptr;
float sumf = 0;
af_ptr = &af[Na - 1];
yf_ptr = &yf[1];
bf_ptr = &bf[Nb - 1];
xf_ptr = &xf[0];
int i=0, j=1;
for (i = 0; i < Nb - 1; i++) {
x[i] = x[i+1];
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[i] = xf[i+1];
sumf += bf[Nb - 1 - i] * xf[i];
}
x[Nb - 1] = xin;
sum = fxp_add(sum, fxp_mult(b[Nb - 1 - i], x[i]));
xf[Nb - 1] = xfin;
sumf += bf[Nb - 1 - i] * xf[i];
for (j = 1; j < Na - 1; j++) {
sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[j] = y[j+1];
sumf -= af[Na - j] * yf[j];
yf[j] = yf[j+1];
}
if(Na>1) sum = fxp_sub(sum, fxp_mult(a[Na - j], y[j]));
y[Na - 1] = sum;
if(Na>1) sumf -= af[Na - j] * yf[j];
yf[Na - 1] = sumf;
return fxp_to_float(sum) - sumf;
}
# 25 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
extern digital_system ds;
extern hardware hw;
extern int generic_timer;
fxp_t fxp_direct_form_1(fxp_t y[], fxp_t x[], fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *y_ptr, *b_ptr, *x_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *x_ptr--));
}
for (j = 1; j < Na; j++) {
sum = fxp_sub(sum, fxp_mult(*a_ptr++, *y_ptr--));
}
fxp_verify_overflow_node(sum, "An Overflow Occurred in the node a0");
sum = fxp_div(sum,a[0]);
return fxp_quantize(sum);
}
fxp_t fxp_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr, *w_ptr;
fxp_t sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] = fxp_sub(w[0], fxp_mult(*a_ptr++, *w_ptr++));
}
w[0] = fxp_add(w[0], x);
w[0] = fxp_div(w[0], a[0]);
fxp_verify_overflow_node(w[0], "An Overflow Occurred in the node b0");
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum = fxp_add(sum, fxp_mult(*b_ptr++, *w_ptr++));
}
return fxp_quantize(sum);
}
fxp_t fxp_transposed_direct_form_2(fxp_t w[], fxp_t x, fxp_t a[], fxp_t b[], int Na, int Nb) {
fxp_t *a_ptr, *b_ptr;
fxp_t yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = fxp_add(fxp_mult(*b_ptr++, x), w[0]);
yout = fxp_div(yout, a[0]);
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] = fxp_sub(w[j], fxp_mult(*a_ptr++, yout));
}
if (j < Nb - 1) {
w[j] = fxp_add(w[j], fxp_mult(*b_ptr++, x));
}
}
fxp_verify_overflow_node(w[j], "An Overflow Occurred in the node a0");
return fxp_quantize(yout);
}
double double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb) {
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
double double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
double double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
float float_direct_form_1(float y[], float x[], float a[], float b[], int Na, int Nb) {
float *a_ptr, *y_ptr, *b_ptr, *x_ptr;
float sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na - 1];
b_ptr = &b[0];
x_ptr = &x[Nb - 1];
int i, j;
for (i = 0; i < Nb; i++) {
sum += *b_ptr++ * *x_ptr--;
}
for (j = 1; j < Na; j++) {
sum -= *a_ptr++ * *y_ptr--;
}
sum = (sum / a[0]);
return sum;
}
float float_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr, *w_ptr;
float sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
}
return sum;
}
float float_transposed_direct_form_2(float w[], float x, float a[], float b[], int Na, int Nb) {
float *a_ptr, *b_ptr;
float yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
yout = yout / a[0];
int j;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
}
return yout;
}
double double_direct_form_1_MSP430(double y[], double x[], double a[], double b[], int Na, int Nb){
int timer1 = 0;
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
int i, j;
timer1 += 91;
for (i = 0; i < Nb; i++){
sum += *b_ptr++ * *x_ptr--;
timer1 += 47;
}
for (j = 1; j < Na; j++){
sum -= *a_ptr++ * *y_ptr--;
timer1 += 57;
}
timer1 += 3;
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 235, __extension__ __PRETTY_FUNCTION__); }))
# 235 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
timer1 += 71;
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
timer1 += 54;
}
w[0] += x;
w[0] = w[0] / a[0];
w_ptr = &w[0];
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
timer1 += 46;
}
timer1 += 38;
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 262, __extension__ __PRETTY_FUNCTION__); }))
# 262 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return sum;
}
double double_transposed_direct_form_2_MSP430(double w[], double x, double a[], double b[], int Na, int Nb) {
int timer1 = 0;
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
timer1 += 105;
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
timer1 += 41;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
timer1 += 38;
}
timer1 += 54;
}
timer1 += 7;
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
((void) sizeof ((
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
(double) timer1 * hw.cycle <= ds.sample_time
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
) ; else __assert_fail (
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
"(double) timer1 * hw.cycle <= ds.sample_time"
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h", 291, __extension__ __PRETTY_FUNCTION__); }))
# 291 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/realizations.h"
;
return yout;
}
double generic_timing_double_direct_form_1(double y[], double x[], double a[], double b[], int Na, int Nb){
generic_timer += ((6 * hw.assembly.push) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (12 * hw.assembly.std));
double *a_ptr, *y_ptr, *b_ptr, *x_ptr;
double sum = 0;
a_ptr = &a[1];
y_ptr = &y[Na-1];
b_ptr = &b[0];
x_ptr = &x[Nb-1];
generic_timer += ((12 * hw.assembly.std) + (12 * hw.assembly.ldd) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (4 * hw.assembly.lsl) + (4 * hw.assembly.rol) + (2 * hw.assembly.add) + (2 * hw.assembly.adc) + (1 * hw.assembly.adiw));
int i, j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (i = 0; i < Nb; i++){
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.sbc) + (10 * hw.assembly.std) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum += *b_ptr++ * *x_ptr--;
}
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++){
generic_timer += ((22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.subi) + (8 * hw.assembly.std) + (1 * hw.assembly.sbci) + (2 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (1 * hw.assembly.sbc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.adiw) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
sum -= *a_ptr++ * *y_ptr--;
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (6 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr, *w_ptr;
double sum = 0;
a_ptr = &a[1];
b_ptr = &b[0];
w_ptr = &w[1];
int k, j;
generic_timer += ((10 * hw.assembly.std) + (6 * hw.assembly.ldd) + (2 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.ldi) + (2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 1; j < Na; j++) {
w[0] -= *a_ptr++ * *w_ptr++;
generic_timer += ((23 * hw.assembly.ldd) + (32 * hw.assembly.mov) + (9 * hw.assembly.std) + (2 * hw.assembly.subi) + (3 * hw.assembly.ld) + (2 * hw.assembly.rcall) + (2 * hw.assembly.sbci) + (1 * hw.assembly.st) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge));
}
w[0] += x;
w_ptr = &w[0];
generic_timer += ((13 * hw.assembly.ldd) + (12 * hw.assembly.mov) + (5 * hw.assembly.std) + (1 * hw.assembly.st) + (1 * hw.assembly.ld) + (1 * hw.assembly.rcall));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (k = 0; k < Nb; k++) {
sum += *b_ptr++ * *w_ptr++;
generic_timer += ((20 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (10 * hw.assembly.std) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (2 * hw.assembly.subi) + (2 * hw.assembly.sbci) + (1 * hw.assembly.adiw) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brge) + (1 * hw.assembly.rjmp));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (1 * hw.assembly.adiw) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (3 * hw.assembly.out) + (8 * hw.assembly.pop) + (1 * hw.assembly.ret));
return sum;
}
double generic_timing_double_transposed_direct_form_2(double w[], double x, double a[], double b[], int Na, int Nb) {
generic_timer += ((8 * hw.assembly.push) + (14 * hw.assembly.std) + (3 * hw.assembly.out) + (3 * hw.assembly.in) + (1 * hw.assembly.sbiw) + (1 * hw.assembly.cli));
double *a_ptr, *b_ptr;
double yout = 0;
a_ptr = &a[1];
b_ptr = &b[0];
int Nw = Na > Nb ? Na : Nb;
yout = (*b_ptr++ * x) + w[0];
int j;
generic_timer += ((15 * hw.assembly.std) + (22 * hw.assembly.ldd) + (24 * hw.assembly.mov) + (2 * hw.assembly.rcall) + (2 * hw.assembly.ld) + (1 * hw.assembly.cp) + (1 * hw.assembly.cpc) + (1 * hw.assembly.subi) + (1 * hw.assembly.sbci) + (1 * hw.assembly.brge) + (1 * hw.assembly.adiw));
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
for (j = 0; j < Nw - 1; j++) {
w[j] = w[j + 1];
if (j < Na - 1) {
w[j] -= *a_ptr++ * yout;
}
if (j < Nb - 1) {
w[j] += *b_ptr++ * x;
}
generic_timer += ((70 * hw.assembly.mov) + (65 * hw.assembly.ldd) + (12 * hw.assembly.lsl) + (12 * hw.assembly.rol) + (15 * hw.assembly.std) + (6 * hw.assembly.add) + (6 * hw.assembly.adc) + (2 * hw.assembly.adiw) + (3 * hw.assembly.cpc) + (3 * hw.assembly.cp) + (5 * hw.assembly.ld) + (4 * hw.assembly.rcall) + (5 * hw.assembly.subi) + (3 * hw.assembly.rjmp) + (2 * hw.assembly.brlt) + (3 * hw.assembly.st) + (2 * hw.assembly.sbci) + (3 * hw.assembly.sbc) + (1 * hw.assembly.brge));
}
generic_timer += ((4 * hw.assembly.ldd) + (4 * hw.assembly.mov) + (8 * hw.assembly.pop) + (3 * hw.assembly.out) + (1 * hw.assembly.in) + (1 * hw.assembly.cli) + (1 * hw.assembly.adiw) + (1 * hw.assembly.ret));
return yout;
}
void double_direct_form_1_impl2(double x[], int x_size, double b[], int b_size, double a[], int a_size, double y[]){
int i = 0; int j = 0;
double v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = v[i] + x[i-j] * b[j];
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = y[i] + v[i];
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = y[i] + y[i-j] * ((-1) * a[j]);
}
}
}
void fxp_direct_form_1_impl2(fxp_t x[], int x_size, fxp_t b[], int b_size, fxp_t a[], int a_size, fxp_t y[]){
int i = 0; int j = 0;
fxp_t v[x_size];
for(i = 0; i < x_size; i++){
v[i] = 0;
for(j = 0; j < b_size; j++){
if (j > i) break;
v[i] = fxp_add(v[i], fxp_mult(x[i-j], b[j]));
}
}
y[0] = v[0];
for(i = 1; i < x_size; i++){
y[i] = 0;
y[i] = fxp_add(y[i], v[i]);
for(j = 1; j < a_size; j++){
if (j > i) break;
y[i] = fxp_add(y[i], fxp_mult(y[i-j] , -a[j]));
}
}
}
# 26 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h"
# 1 "/usr/include/assert.h" 1 3 4
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
# 1 "/usr/include/assert.h" 1 3 4
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/delta-operator.h" 2
int nchoosek(int n, int k){
if (k == 0)
return 1;
return (n * nchoosek(n - 1, k - 1)) / k;
}
void generate_delta_coefficients(double vetor[], double out[], int n, double delta){
int i,j;
int N = n - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + vetor[j]*nchoosek(N-j,i-j);
}
out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
}
void get_delta_transfer_function(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
generate_delta_coefficients(b, b_out, b_size, delta);
generate_delta_coefficients(a, a_out, a_size, delta);
}
void get_delta_transfer_function_with_base(double b[], double b_out[], int b_size, double a[], double a_out[], int a_size, double delta){
int i,j;
int N = a_size - 1;
int M = b_size - 1;
double sum_delta_operator;
for(i=0; i<=N; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + a[j]*nchoosek(N-j,i-j);
}
a_out[i] = internal_pow(delta,N-i)*sum_delta_operator;
}
for(i=0; i<=M; i++)
{
sum_delta_operator = 0;
for(j=0; j<=i; j++)
{
sum_delta_operator = sum_delta_operator + b[j]*nchoosek(M-j,i-j);
}
b_out[i] = internal_pow(delta,M-i)*sum_delta_operator;
}
}
# 27 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h" 1
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/closed-loop.h"
void ft_closedloop_series(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_num + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1 ;
double den_mult [Nans_den];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, ans_num, Nans_num);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den );
poly_sum(ans_num, Nans_num , den_mult, Nans_den , ans_den, Nans_den);
}
void ft_closedloop_sensitivity(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
int Nans_num_p = Nc_num + Nmodel_num-1;
Nans_den = Nc_den + Nmodel_den-1;
Nans_num = Nc_den + Nmodel_den-1;
double num_mult [Nans_num_p];
poly_mult(c_den, Nc_den, model_den, Nmodel_den, ans_num, Nans_num);
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nans_num_p);
poly_sum(ans_num, Nans_num, num_mult, Nans_num_p, ans_den, Nans_den);
}
void ft_closedloop_feedback(double c_num[], int Nc_num, double c_den[], int Nc_den, double model_num[], int Nmodel_num, double model_den[], int Nmodel_den, double ans_num[], int Nans_num, double ans_den[], int Nans_den){
Nans_num = Nc_den + Nmodel_num - 1;
Nans_den = Nc_den + Nmodel_den - 1;
int Nnum_mult = Nc_num + Nmodel_num - 1;
double den_mult [Nans_den];
double num_mult [Nnum_mult];
poly_mult(c_num, Nc_num, model_num, Nmodel_num, num_mult, Nnum_mult);
poly_mult(c_den, Nc_den, model_den, Nmodel_den, den_mult, Nans_den);
poly_sum(num_mult, Nnum_mult, den_mult, Nans_den, ans_den, Nans_den);
poly_mult(c_den, Nc_den, model_num, Nmodel_num, ans_num, Nans_num);
}
int check_stability_closedloop(double a[], int n, double plant_num[], int p_num_size, double plant_den[], int p_den_size){
int columns = n;
double m[2 * n - 1][n];
int i,j;
int first_is_positive = 0;
double * p_num = plant_num;
double * p_den = plant_den;
double sum = 0;
for (i=0; i < n; i++){
sum += a[i];
}
__DSVERIFIER_assert(sum > 0);
sum = 0;
for (i=0; i < n; i++){
sum += a[i] * internal_pow(-1, n-1-i);
}
sum = sum * internal_pow(-1, n-1);
__DSVERIFIER_assert(sum > 0);
__DSVERIFIER_assert(internal_abs(a[n-1]) < a[0]);
for (i=0; i < 2 * n - 1; i++){
for (j=0; j < columns; j++){
m[i][j] = 0;
if (i == 0){
m[i][j] = a[j];
continue;
}
if (i % 2 != 0 ){
int x;
for(x=0; x<columns;x++){
m[i][x] = m[i-1][columns-x-1];
}
columns = columns - 1;
j = columns;
}else{
__DSVERIFIER_assert(m[i-2][0] > 0);
m[i][j] = m[i-2][j] - (m[i-2][columns] / m[i-2][0]) * m[i-1][j];
__DSVERIFIER_assert((m[0][0] >= 0) && (m[i][0] >= 0));
}
}
}
return 1;
}
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
extern digital_system ds;
extern digital_system plant;
extern digital_system control;
extern implementation impl;
extern filter_parameters filter;
extern hardware hw;
void initialization(){
if (impl.frac_bits >= 32){
printf("impl.frac_bits must be less than word width!\n");
}
if (impl.int_bits >= 32 - impl.frac_bits){
printf("impl.int_bits must be less than word width subtracted by precision!\n");
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
((void) sizeof ((
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
0
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
) ; else __assert_fail (
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
"0"
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h", 33, __extension__ __PRETTY_FUNCTION__); }))
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
;
}
if(impl.frac_bits >= 31){
_fxp_one = 0x7fffffff;
}else{
_fxp_one = (0x00000001 << impl.frac_bits);
}
_fxp_half = (0x00000001 << (impl.frac_bits - 1));
_fxp_minus_one = -(0x00000001 << impl.frac_bits);
_fxp_min = -(0x00000001 << (impl.frac_bits + impl.int_bits - 1));
_fxp_max = (0x00000001 << (impl.frac_bits + impl.int_bits - 1)) - 1;
_fxp_fmask = ((((int32_t) 1) << impl.frac_bits) - 1);
_fxp_imask = ((0x80000000) >> (32 - impl.frac_bits - 1));
_dbl_min = _fxp_min;
_dbl_min /= (1 << impl.frac_bits);
_dbl_max = _fxp_max;
_dbl_max /= (1 << impl.frac_bits);
if ((impl.scale == 0) || (impl.scale == 1)){
impl.scale = 1;
return;
}
if (impl.min != 0){
impl.min = impl.min / impl.scale;
}
if (impl.max != 0){
impl.max = impl.max / impl.scale;
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/initialization.h"
}
# 29 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/state-space.h"
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
double double_state_space_representation(void){
double result1[4][4];
double result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
return _controller.outputs[0][0];
}
double fxp_state_space_representation(void){
fxp_t result1[4][4];
fxp_t result2[4][4];
int i, j;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t D_fpx[4][4];
fxp_t states_fpx[4][4];
fxp_t inputs_fpx[4][4];
fxp_t outputs_fpx[4][4];
for(i=0; i<4;i++){
for(j=0; j<4;j++){
A_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
B_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
C_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
D_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
states_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
inputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
D_fpx[i][j]= fxp_double_to_fxp(_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
states_fpx[i][j]= fxp_double_to_fxp(_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
inputs_fpx[i][j]= fxp_double_to_fxp(_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]= fxp_double_to_fxp(_controller.outputs[i][j]);
}
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,C_fpx,states_fpx,result1);
fxp_matrix_multiplication(nOutputs,nInputs,nInputs,1,D_fpx,inputs_fpx,result2);
fxp_add_matrix(nOutputs,
1,
result1,
result2,
outputs_fpx);
fxp_matrix_multiplication(nStates,nStates,nStates,1,A_fpx,states_fpx,result1);
fxp_matrix_multiplication(nStates,nInputs,nInputs,1,B_fpx,inputs_fpx,result2);
fxp_add_matrix(nStates,
1,
result1,
result2,
states_fpx);
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= fxp_to_double(states_fpx[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j]= fxp_to_double(outputs_fpx[i][j]);
}
}
return _controller.outputs[0][0];
}
# 30 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/core/filter_functions.h"
double sinTyl(double x, int precision){
double sine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
sine = aux;
if (precision >= 1)
{
aux = x;
sine += aux;
if (precision >= 2)
{
aux = aux*xsquared;
sine -= aux/6;
if (precision >= 3)
{
aux = aux*xsquared;
sine +=aux/120;
if(precision >=4)
{
aux = aux*xsquared;
sine -=aux/5040;
if(precision >= 5)
{
aux = aux*xsquared;
sine +=aux/362880;
if(precision >= 6)
{
aux = aux*xsquared;
sine -=aux/39916800;
if (precision >= 7)
printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return sine;
}
double cosTyl(double x, int precision){
double cosine;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function cosTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
cosine = aux;
if (precision >= 1)
{
aux = 1;
cosine = 1;
if (precision >= 2)
{
aux = xsquared;
cosine -= aux/2;
if (precision >= 3)
{
aux = aux*xsquared;
cosine += aux/24;
if(precision >=4)
{
aux = aux*xsquared;
cosine -=aux/720;
if(precision >= 5)
{
aux = aux*xsquared;
cosine +=aux/40320;
if(precision >= 6)
{
aux = aux*xsquared;
cosine -=aux/3628800;
if (precision >= 7) printf("Warning: Function sinTyl "
"from bmc/core/filter_functions.h: Precision "
"representation exceeded. Assuming maximum precision of 6\n");
}
}
}
}
}
}
}
return cosine;
}
double atanTyl(double x, int precision){
double atangent;
double xsquared = x*x;
double aux;
if (precision < 0)
{
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision must be a positive integer. Assuming 0 precision\n");
precision = 0;
}
if (precision >= 0)
{
aux = 0;
atangent = aux;
if (precision >= 1)
{
aux = x;
atangent = aux;
if (precision >= 2)
{
aux = xsquared;
atangent -= aux/3;
if (precision >= 3)
{
aux = aux*xsquared;
atangent += aux/5;
if(precision >=4)
{
aux = aux*xsquared;
atangent -=aux/7;
if (precision >= 7)
printf("Warning: Function sinTyl from bmc/core/filter_functions.h: "
"Precision representation exceeded. Assuming maximum precision of 4\n");
}
}
}
}
}
return atangent;
}
float sqrt1(const float x)
{
const float xhalf = 0.5f*x;
union
{
float x;
int i;
} u;
u.x = x;
u.i = 0x5f3759df - (u.i >> 1);
return x*u.x*(1.5f - xhalf*u.x*u.x);
}
float sqrt2(const float x)
{
union
{
int i;
float x;
} u;
u.x = x;
u.i = (1<<29) + (u.i >> 1) - (1<<22);
return u.x;
}
float fabsolut(float x)
{
if (x < 0)
x = -x;
return x;
}
static float sqrt3(float val)
{
float x = val/10;
float dx;
double diff;
double min_tol = 0.00001;
int i, flag;
flag = 0;
if (val == 0 ) x = 0;
else
{
for (i=1;i<20;i++)
{
if (!flag)
{
dx = (val - (x*x)) / (2.0 * x);
x = x + dx;
diff = val - (x*x);
if (fabsolut(diff) <= min_tol) flag = 1;
}
else x =x;
}
}
return (x);
}
# 31 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h" 1
# 19 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_overflow(void) {
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 73 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 129 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
y[i] = fxp_transposed_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 174 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_overflow.h"
}
overflow_mode = 1;
fxp_verify_overflow_array(y, X_SIZE_VALUE);
return 0;
}
# 33 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 1
# 15 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
extern digital_system_state_space _controller;
extern int nStates;
extern int nInputs;
extern int nOutputs;
int verify_limit_cycle_state_space(void){
double stateMatrix[4][4];
double outputMatrix[4][4];
double arrayLimitCycle[4];
double result1[4][4];
double result2[4][4];
int i, j, k;
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
stateMatrix[i][j]=0;
outputMatrix[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
k = 0;
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
int l;
for(l = 0; l < nStates; l++){
stateMatrix[l][k] = _controller.states[l][0];
}
for(l = 0; l < nOutputs; l++){
stateMatrix[l][k] = _controller.outputs[l][0];
}
k++;
}
printf("#matrix STATES -------------------------------");
print_matrix(stateMatrix,nStates,0);
printf("#matrix OUTPUTS -------------------------------");
print_matrix(outputMatrix,nOutputs,0);
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 93, __extension__ __PRETTY_FUNCTION__); }))
# 93 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
for(i=0; i<nStates;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = stateMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
for(i=0; i<nOutputs;i++){
for(j=0; j<0;j++){
arrayLimitCycle[j] = outputMatrix[i][j];
}
double_check_persistent_limit_cycle(arrayLimitCycle,0);
}
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
((void) sizeof ((
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
0
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
) ; else __assert_fail (
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
"0"
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h", 110, __extension__ __PRETTY_FUNCTION__); }))
# 110 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
;
}
int verify_limit_cycle(void){
overflow_mode = 3;
int i;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
__DSVERIFIER_assert(X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na);
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 168 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t xaux[ds.b_size];
int nondet_constant_input = nondet_int();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = nondet_constant_input;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t y0[ds.a_size];
fxp_t waux[Nw];
fxp_t w0[Nw];
# 206 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 234 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
y[i] = fxp_transposed_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 278 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 34 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
extern digital_system ds;
extern implementation impl;
int verify_error(void){
overflow_mode = 2;
double a_cascade[100];
int a_cascade_size;
double b_cascade[100];
int b_cascade_size;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 69 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
double yf[X_SIZE_VALUE];
double xf[X_SIZE_VALUE];
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
double yfaux[ds.a_size];
double xfaux[ds.b_size];
double wfaux[Nw];
int i;
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
yfaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
xfaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
wfaux[i] = 0;
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_int();
__DSVERIFIER_assume(x[i] >= min_fxp && x[i] <= max_fxp);
yf[i] = 0.0f;
xf[i] = fxp_to_double(x[i]);
}
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 156 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
y[i] = fxp_transposed_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
yf[i] = double_transposed_direct_form_2(wfaux, xf[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 169 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error.h"
double absolute_error = yf[i] - fxp_to_double(y[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 35 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 1
# 13 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
extern digital_system ds;
extern implementation impl;
int verify_zero_input_limit_cycle(void){
overflow_mode = 3;
int i,j;
int Set_xsize_at_least_two_times_Na = 2 * ds.a_size;
printf("X_SIZE must be at least 2 * ds.a_size");
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
((void) sizeof ((
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
) ; else __assert_fail (
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
"X_SIZE_VALUE >= Set_xsize_at_least_two_times_Na"
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h", 23, __extension__ __PRETTY_FUNCTION__); }))
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
;
fxp_t a_fxp[ds.a_size];
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
# 71 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
fxp_t y[X_SIZE_VALUE];
fxp_t x[X_SIZE_VALUE];
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = 0;
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
fxp_t yaux[ds.a_size];
fxp_t xaux[ds.b_size];
fxp_t waux[Nw];
fxp_t y0[ds.a_size];
fxp_t w0[Nw];
# 104 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= min_fxp && waux[i] <= max_fxp);
w0[i] = waux[i];
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
fxp_t xk, temp;
fxp_t *aptr, *bptr, *xptr, *yptr, *wptr;
for(i=0; i<X_SIZE_VALUE; ++i){
# 141 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
y[i] = fxp_transposed_direct_form_2(waux, x[i], a_fxp, b_fxp, ds.a_size, ds.b_size);
# 188 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_zero_input_limit_cycle.h"
}
fxp_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 36 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
extern hardware hw;
int generic_timer = 0;
int verify_generic_timing(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
generic_timer += ((2 * hw.assembly.std) + (1 * hw.assembly.rjmp));
double initial_timer = generic_timer;
for (i = 0; i < X_SIZE_VALUE; ++i) {
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.adiw) + (2 * hw.assembly.std));
generic_timer += ((2 * hw.assembly.ldd) + (1 * hw.assembly.cpi) + (1 * hw.assembly.cpc) + (1 * hw.assembly.brlt));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
y[i] = generic_timing_double_transposed_direct_form_2(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
double spent_time = (((double) generic_timer) * hw.cycle);
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
((void) sizeof ((
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
spent_time <= ds.sample_time
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
) ; else __assert_fail (
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
"spent_time <= ds.sample_time"
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h", 89, __extension__ __PRETTY_FUNCTION__); }))
# 89 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_generic_timing.h"
;
generic_timer = initial_timer;
}
return 0;
}
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
int nondet_int();
float nondet_float();
extern digital_system ds;
extern implementation impl;
int verify_timing_msp_430(void) {
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
int i;
for (i = 0; i < X_SIZE_VALUE; ++i) {
y[i] = 0;
x[i] = nondet_float();
__DSVERIFIER_assume(x[i] >= impl.min && x[i] <= impl.max);
}
int Nw = 0;
Nw = ds.a_size > ds.b_size ? ds.a_size : ds.b_size;
double yaux[ds.a_size];
double xaux[ds.b_size];
double waux[Nw];
for (i = 0; i < ds.a_size; ++i) {
yaux[i] = 0;
}
for (i = 0; i < ds.b_size; ++i) {
xaux[i] = 0;
}
for (i = 0; i < Nw; ++i) {
waux[i] = 0;
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for (i = 0; i < X_SIZE_VALUE; ++i) {
# 75 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
y[i] = double_transposed_direct_form_2_MSP430(waux, x[i], ds.a, ds.b, ds.a_size, ds.b_size);
# 121 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_timing_msp430.h"
}
return 0;
}
# 38 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
extern digital_system ds;
extern implementation impl;
int verify_stability(void){
overflow_mode = 0;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
((void) sizeof ((
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
check_stability(_a, ds.a_size)
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
) ; else __assert_fail (
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
"check_stability(_a, ds.a_size)"
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h", 37, __extension__ __PRETTY_FUNCTION__); }))
# 37 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
;
# 83 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability.h"
return 0;
}
# 39 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h" 1
# 21 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
extern digital_system ds;
extern implementation impl;
int verify_minimum_phase(void){
overflow_mode = 0;
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
__DSVERIFIER_assert(check_stability(_b, ds.b_size));
# 85 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_minimum_phase.h"
return 0;
}
# 40 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_stability_closedloop_using_dslib(void){
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 68 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_stability_closedloop.h"
printf("Verifying stability for closedloop function\n");
__DSVERIFIER_assert(check_stability_closedloop(ans_den, ans_den_size, p_num, p_num_size, p_den, p_den_size));
return 0;
}
# 41 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
double nondet_double();
int verify_limit_cycle_closed_loop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 58 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
int i;
double y[X_SIZE_VALUE];
double x[X_SIZE_VALUE];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x[i] = nondet_constant_input;
y[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux[i] = nondet_constant_input;
}
double yaux[ans_den_size];
double y0[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux[Nw];
double w0[Nw];
# 105 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
for (i = 0; i < Nw; ++i) {
waux[i] = nondet_int();
__DSVERIFIER_assume(waux[i] >= impl.min && waux[i] <= impl.max);
w0[i] = waux[i];
}
double xk, temp;
double *aptr, *bptr, *xptr, *yptr, *wptr;
int j;
for(i=0; i<X_SIZE_VALUE; ++i){
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_limit_cycle_closedloop.h"
y[i] = double_transposed_direct_form_2(waux, x[i], ans_den, ans_num, ans_den_size, ans_num_size);
}
double_check_persistent_limit_cycle(y, X_SIZE_VALUE);
return 0;
}
# 42 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h" 1
# 23 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
extern digital_system plant;
extern digital_system plant_cbmc;
extern digital_system controller;
int verify_error_closedloop(void){
overflow_mode = 3;
double * c_num = controller.b;
int c_num_size = controller.b_size;
double * c_den = controller.a;
int c_den_size = controller.a_size;
fxp_t c_num_fxp[controller.b_size];
fxp_double_to_fxp_array(c_num, c_num_fxp, controller.b_size);
fxp_t c_den_fxp[controller.a_size];
fxp_double_to_fxp_array(c_den, c_den_fxp, controller.a_size);
double c_num_qtz[controller.b_size];
fxp_to_double_array(c_num_qtz, c_num_fxp, controller.b_size);
double c_den_qtz[controller.a_size];
fxp_to_double_array(c_den_qtz, c_den_fxp, controller.a_size);
# 56 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
double * p_num = plant_cbmc.b;
int p_num_size = plant.b_size;
double * p_den = plant_cbmc.a;
int p_den_size = plant.a_size;
double ans_num_double[100];
double ans_num_qtz[100];
int ans_num_size = controller.b_size + plant.b_size - 1;
double ans_den_qtz[100];
double ans_den_double[100];
int ans_den_size = controller.a_size + plant.a_size - 1;
# 77 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
int i;
double y_qtz[X_SIZE_VALUE];
double y_double[X_SIZE_VALUE];
double x_qtz[X_SIZE_VALUE];
double x_double[X_SIZE_VALUE];
double xaux_qtz[ans_num_size];
double xaux_double[ans_num_size];
double xaux[ans_num_size];
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= impl.min && nondet_constant_input <= impl.max);
for (i = 0; i < X_SIZE_VALUE; ++i) {
x_qtz[i] = nondet_constant_input;
x_double[i] = nondet_constant_input;
y_qtz[i] = 0;
y_double[i] = 0;
}
for (i = 0; i < ans_num_size; ++i) {
xaux_qtz[i] = nondet_constant_input;
xaux_double[i] = nondet_constant_input;
}
double yaux_qtz[ans_den_size];
double yaux_double[ans_den_size];
double y0_qtz[ans_den_size];
double y0_double[ans_den_size];
int Nw = ans_den_size > ans_num_size ? ans_den_size : ans_num_size;
double waux_qtz[Nw];
double waux_double[Nw];
double w0_qtz[Nw];
double w0_double[Nw];
for (i = 0; i < Nw; ++i) {
waux_qtz[i] = 0;
waux_double[i] = 0;
}
for(i=0; i<X_SIZE_VALUE; ++i){
# 150 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_closedloop.h"
y_qtz[i] = double_transposed_direct_form_2(waux_qtz, x_qtz[i], ans_den_qtz, ans_num_qtz, ans_den_size, ans_num_size);
y_double[i] = double_transposed_direct_form_2(waux_double, x_double[i], ans_den_double, ans_num_double, ans_den_size, ans_num_size);
double absolute_error = y_double[i] - fxp_to_double(y_qtz[i]);
__DSVERIFIER_assert(absolute_error < (impl.max_error) && absolute_error > (-impl.max_error));
}
return 0;
}
# 43 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 1
# 20 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double new_state[4][4];
double new_stateFWL[4][4];
digital_system_state_space _controller_fxp;
digital_system_state_space _controller_double;
double ss_system_quantization_error(fxp_t inputs){
digital_system_state_space __backupController;
int i;
int j;
_controller.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
__backupController.A[i][j]= (_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
__backupController.B[i][j]= (_controller.B[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
__backupController.C[i][j]= (_controller.C[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
__backupController.D[i][j]= (_controller.D[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
__backupController.states[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
__backupController.inputs[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
__backupController.outputs[i][j]= (_controller.outputs[i][j]);
}
}
double __quant_error = 0.0;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_state[i][j]);
}
}
double output_double = double_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
__backupController.inputs[0][0] = inputs;
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
_controller.A[i][j] = __backupController.A[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
_controller.B[i][j] = __backupController.B[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
_controller.C[i][j] = __backupController.C[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
_controller.D[i][j] = __backupController.D[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j] = __backupController.states[i][j];
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
_controller.inputs[i][j] = __backupController.inputs[i][j];
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
_controller.outputs[i][j] = __backupController.outputs[i][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
_controller.states[i][j]= (new_stateFWL[i][j]);
}
}
double output_fxp = fxp_state_space_representation();
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
__quant_error = output_double - output_fxp;
return __quant_error;
}
double fxp_ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double temp_result1[4][4];
double result2[4][4];
double temp_states[4][4];
fxp_t K_fxp[4][4];
fxp_t states_fxp[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_fxp.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
reference_aux[i][j]=0;
K_fxp[i][j] = 0;
}
}
for(i=0; i<nInputs;i++){
reference_aux[i][0]= reference;
}
for(i=0; i<4;i++){
states_fxp[i][0]=0;
}
for(i=0; i<nStates;i++){
K_fxp[0][i]= fxp_double_to_fxp(_controller_fxp.K[0][i]);
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for(k=0; k<nStates;k++)
{
states_fxp[k][0]= fxp_double_to_fxp(_controller_fxp.states[k][0]);
}
fxp_matrix_multiplication(nOutputs,nStates,nStates,1,K_fxp,states_fxp,result_fxp);
fxp_t reference_fxp[4][4];
fxp_t result_fxp2[4][4];
for(k=0;k<nInputs;k++)
{
reference_fxp[k][0] =fxp_double_to_fxp(fxp_quantize(reference_aux[k][0]));
}
fxp_sub_matrix(nInputs,1, reference_fxp, result_fxp, result_fxp2);
for(k=0; k<nInputs;k++)
{
_controller_fxp.inputs[k][0] = fxp_to_double(fxp_quantize(result_fxp2[k][0]));
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_fxp.C,_controller_fxp.states,result1);
if(flag == 1)
{
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_fxp.D,_controller_fxp.inputs,result2);
}
double_add_matrix(nOutputs,1,result1,result2,_controller_fxp.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_fxp.A,_controller_fxp.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_fxp.B,_controller_fxp.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_fxp.states);
return _controller_fxp.outputs[0][0];
}
double ss_closed_loop_quantization_error(double reference){
double reference_aux[4][4];
double result1[4][4];
double result2[4][4];
unsigned int i;
unsigned int j;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller_double.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference_aux[i][j]= reference;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.K,_controller_double.states,result1);
double_sub_matrix(nInputs,1,reference_aux,result1, _controller_double.inputs);
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller_double.C,_controller_double.states,result1);
if(flag == 1)
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller_double.D,_controller_double.inputs,result2);
double_add_matrix(nOutputs,1,result1,result2,_controller_double.outputs);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller_double.A,_controller_double.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller_double.B,_controller_double.inputs,result2);
double_add_matrix(nStates,1,result1,result2,_controller_double.states);
return _controller_double.outputs[0][0];
}
int verify_error_state_space(void){
int i,j;
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_state[i][j]= (_controller.states[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<1;j++){
new_stateFWL[i][j]= (_controller.states[i][j]);
}
}
_controller_fxp = _controller;
_controller_double = _controller;
overflow_mode = 0;
fxp_t x[0];
fxp_t min_fxp = fxp_double_to_fxp(impl.min);
fxp_t max_fxp = fxp_double_to_fxp(impl.max);
double nondet_constant_input = nondet_double();
__DSVERIFIER_assume(nondet_constant_input >= min_fxp && nondet_constant_input <= max_fxp);
for (i = 0; i < 0; ++i) {
x[i] = nondet_constant_input;
}
double __quant_error;
if(closed_loop){
for (i = 0; i < 0; ++i) {
__quant_error = ss_closed_loop_quantization_error(x[i]) - fxp_ss_closed_loop_quantization_error(x[i]);
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 354, __extension__ __PRETTY_FUNCTION__); }))
# 354 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
else {
for (i=0; i < 0; i++)
{
__quant_error = ss_system_quantization_error(x[i]);
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
((void) sizeof ((
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
__quant_error < error_limit && __quant_error > ((-1)*error_limit)
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
) ; else __assert_fail (
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
"__quant_error < error_limit && __quant_error > ((-1)*error_limit)"
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h", 361, __extension__ __PRETTY_FUNCTION__); }))
# 361 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_error_state_space.h"
;
}
}
return 0;
}
# 44 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
extern digital_system_state_space _controller;
extern double error_limit;
extern int closed_loop;
double fxp_ss_closed_loop_safety(){
double reference[4][4];
double result1[4][4];
double result2[4][4];
fxp_t K_fpx[4][4];
fxp_t outputs_fpx[4][4];
fxp_t result_fxp[4][4];
unsigned int i;
unsigned int j;
unsigned int k;
short unsigned int flag = 0;
for(i=0; i<nOutputs;i++){
for(j=0; j<nInputs;j++){
if(_controller.D[i][j] != 0){
flag = 1;
}
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<1;j++){
reference[i][j]= (_controller.inputs[i][j]);
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]=0;
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<1;j++){
outputs_fpx[i][j]=0;
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result_fxp[i][j]=0;
}
}
for(i=0; i<nInputs;i++){
for(j=0; j<nOutputs;j++){
K_fpx[i][j]= fxp_double_to_fxp(_controller.K[i][j]);
}
}
for(i=0; i<4;i++){
for(j=0; j<4;j++){
result1[i][j]=0;
result2[i][j]=0;
}
}
for (i = 1; i < 0; i++) {
double_matrix_multiplication(nOutputs,nStates,nStates,1,_controller.C,_controller.states,result1);
if(flag == 1){
double_matrix_multiplication(nOutputs,nInputs,nInputs,1,_controller.D,_controller.inputs,result2);
}
double_add_matrix(nOutputs,
1,
result1,
result2,
_controller.outputs);
for(k=0; k<nOutputs;k++){
for(j=0; j<1;j++){
outputs_fpx[k][j]= fxp_double_to_fxp(_controller.outputs[k][j]);
}
}
fxp_matrix_multiplication(nInputs,nOutputs,nOutputs,1,K_fpx,outputs_fpx,result_fxp);
for(k=0; k<nInputs;k++){
for(j=0; j<1;j++){
result1[k][j]= fxp_to_double(result_fxp[k][j]);
}
}
printf("### fxp: U (before) = %.9f", _controller.inputs[0][0]);
printf("### fxp: reference = %.9f", reference[0][0]);
printf("### fxp: result1 = %.9f", result1[0][0]);
printf("### fxp: reference - result1 = %.9f", (reference[0][0] - result1[0][0]));
double_sub_matrix(nInputs,
1,
reference,
result1,
_controller.inputs);
printf("### fxp: Y = %.9f", _controller.outputs[0][0]);
printf("### fxp: U (after) = %.9f \n### \n### ", _controller.inputs[0][0]);
double_matrix_multiplication(nStates,nStates,nStates,1,_controller.A,_controller.states,result1);
double_matrix_multiplication(nStates,nInputs,nInputs,1,_controller.B,_controller.inputs,result2);
double_add_matrix(nStates,
1,
result1,
result2,
_controller.states);
}
return _controller.outputs[0][0];
}
int verify_safety_state_space(void){
fxp_t output_fxp = fxp_ss_closed_loop_safety();
double output_double = fxp_to_double(output_fxp);
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
((void) sizeof ((
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
output_double <= error_limit
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
) ; else __assert_fail (
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
"output_double <= error_limit"
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h", 140, __extension__ __PRETTY_FUNCTION__); }))
# 140 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_safety_state_space.h"
;
return 0;
}
# 45 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 1
# 14 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
extern digital_system_state_space _controller;
int verify_controllability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t B_fpx[4][4];
fxp_t controllabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double controllabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
A_fpx[i][j] = 0.0;
B_fpx[i][j] = 0.0;
controllabilityMatrix[i][j] = 0.0;
backup[i][j] = 0.0;
backupSecond[i][j] = 0.0;
controllabilityMatrix_double[i][j] = 0.0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nInputs;j++){
B_fpx[i][j]= fxp_double_to_fxp(_controller.B[i][j]);
}
}
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
fxp_t mimo_controllabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_fxp);
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(mimo_controllabilityMatrix_fxp[i][j]);
}
}
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 91, __extension__ __PRETTY_FUNCTION__); }))
# 91 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
fxp_exp_matrix(nStates,nStates,A_fpx,j,backup);
fxp_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,B_fpx,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
controllabilityMatrix_double[i][j]= fxp_to_double(controllabilityMatrix[i][j]);
}
}
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix_double,nStates) != 0
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix_double,nStates) != 0"
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 113, __extension__ __PRETTY_FUNCTION__); }))
# 113 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
int verify_controllability_double(void){
int i;
int j;
double controllabilityMatrix[4][4];
double backup[4][4];
double backupSecond[4][4];
double controllabilityMatrix_double[4][4];
if(nInputs > 1){
int l = 0;
for(j=0; j<(nStates*nInputs);){
double_exp_matrix(nStates,nStates,_controller.A,l,backup);
l++;
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(int k = 0; k < nInputs; k++){
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][k];
}
j++;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nInputs);j++){
backup[i][j]= 0.0;
}
}
transpose(controllabilityMatrix,backup,nStates,(nStates*nInputs));
double mimo_controllabilityMatrix_double[4][4];
double_matrix_multiplication(nStates,(nStates*nInputs),(nStates*nInputs),nStates,controllabilityMatrix,backup,mimo_controllabilityMatrix_double);
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(mimo_controllabilityMatrix_double,nStates) != 0
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(mimo_controllabilityMatrix_double,nStates) != 0"
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 154, __extension__ __PRETTY_FUNCTION__); }))
# 154 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
} else {
for(j=0; j<nStates;j++){
double_exp_matrix(nStates,nStates,_controller.A,j,backup);
double_matrix_multiplication(nStates,nStates,nStates,nInputs,backup,_controller.B,backupSecond);
for(i = 0; i<nStates;i++){
controllabilityMatrix[i][j]= backupSecond[i][0];
}
}
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
((void) sizeof ((
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
determinant(controllabilityMatrix,nStates) != 0
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
) ; else __assert_fail (
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
"determinant(controllabilityMatrix,nStates) != 0"
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h", 163, __extension__ __PRETTY_FUNCTION__); }))
# 163 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_controllability.h"
;
}
return 0;
}
# 46 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 1
# 17 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
extern digital_system_state_space _controller;
int verify_observability(void){
int i;
int j;
fxp_t A_fpx[4][4];
fxp_t C_fpx[4][4];
fxp_t observabilityMatrix[4][4];
fxp_t backup[4][4];
fxp_t backupSecond[4][4];
double observabilityMatrix_double[4][4];
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix[i][j]= 0;
A_fpx[i][j]=0;
C_fpx[i][j]= 0;
backup[i][j]= 0;
backupSecond[i][j]= 0;
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
A_fpx[i][j]= fxp_double_to_fxp(_controller.A[i][j]);
}
}
for(i=0; i<nOutputs;i++){
for(j=0; j<nStates;j++){
C_fpx[i][j]= fxp_double_to_fxp(_controller.C[i][j]);
}
}
if(nOutputs > 1){
int l;
j = 0;
for(l=0; l<nStates;){
fxp_exp_matrix(nStates,nStates,A_fpx,l,backup);
l++;
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(int k = 0; k < nOutputs; k++){
for(i = 0; i<nStates;i++){
observabilityMatrix[j][i]= backupSecond[k][i];
}
j++;
}
}
# 80 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<(nStates*nOutputs);j++){
backup[i][j]= 0.0;
}
}
fxp_transpose(observabilityMatrix,backup,(nStates*nOutputs),nStates);
# 99 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
fxp_t mimo_observabilityMatrix_fxp[4][4];
fxp_matrix_multiplication(nStates,(nStates*nOutputs),(nStates*nOutputs),nStates,backup,observabilityMatrix,mimo_observabilityMatrix_fxp);
# 112 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(mimo_observabilityMatrix_fxp[i][j]);
}
}
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 119, __extension__ __PRETTY_FUNCTION__); }))
# 119 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}else{
for(i=0; i<nStates;i++){
fxp_exp_matrix(nStates,nStates,A_fpx,i,backup);
fxp_matrix_multiplication(nOutputs,nStates,nStates,nStates,C_fpx,backup,backupSecond);
for(j = 0; j<nStates;j++){
observabilityMatrix[i][j]= backupSecond[0][j];
}
}
for(i=0; i<nStates;i++){
for(j=0; j<nStates;j++){
observabilityMatrix_double[i][j]= fxp_to_double(observabilityMatrix[i][j]);
}
}
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
((void) sizeof ((
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ? 1 : 0), __extension__ ({ if (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
determinant(observabilityMatrix_double,nStates) != 0
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
) ; else __assert_fail (
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
"determinant(observabilityMatrix_double,nStates) != 0"
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h" 3 4
, "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h", 134, __extension__ __PRETTY_FUNCTION__); }))
# 134 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_observability.h"
;
}
return 0;
}
# 47 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
# 1 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h" 1
# 16 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
extern filter_parameters filter;
extern implementation impl;
extern digital_system ds;
# 28 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/engine/verify_magnitude.h"
void resp_mag(double* num, int lnum, double* den, int lden, double* res, int N) {
double w;
int m, i;
double out_numRe[N + 1];
double out_numIm[N + 1];
double out_denRe[N + 1];
double out_denIm[N + 1];
double old_out_Re;
double zero_test;
for (w = 0, i = 0; w <= 3.14159265358979323846; w += 3.14159265358979323846 / N, ++i) {
out_numRe[i] = num[0];
out_numIm[i] = 0;
for (m = 1; m < lnum; ++m) {
old_out_Re = out_numRe[i];
out_numRe[i] = cosTyl(w, 6) * out_numRe[i] - sinTyl(w, 6) * out_numIm[i] + num[m];
out_numIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_numIm[i];
}
out_denRe[i] = den[0];
out_denIm[i] = 0;
for (m = 1; m < lden; ++m) {
old_out_Re = out_denRe[i];
out_denRe[i] = cosTyl(w, 6) * out_denRe[i] - sinTyl(w, 6) * out_denIm[i] + den[m];
out_denIm[i] = sinTyl(w, 6) * old_out_Re + cosTyl(w, 6) * out_denIm[i];
}
res[i] = sqrt3(out_numRe[i] * out_numRe[i] + out_numIm[i] * out_numIm[i]);
zero_test = sqrt3(out_denRe[i] * out_denRe[i] + out_denIm[i] * out_denIm[i]);
__DSVERIFIER_assume(zero_test != 0);
res[i] = res[i] / zero_test;
}
}
int verify_magnitude(void) {
int freq_response_samples = 100;
double w;
double w_incr = 1.0 / freq_response_samples;
double res[freq_response_samples+1];
int i,j;
fxp_t a_fxp[ds.a_size];
fxp_double_to_fxp_array(ds.a, a_fxp, ds.a_size);
double _a[ds.a_size];
fxp_to_double_array(_a, a_fxp, ds.a_size);
fxp_t b_fxp[ds.b_size];
fxp_double_to_fxp_array(ds.b, b_fxp, ds.b_size);
double _b[ds.b_size];
fxp_to_double_array(_b, b_fxp, ds.b_size);
resp_mag(ds.b, ds.b_size, ds.a, ds.a_size, res, freq_response_samples);
if (filter.type == 1) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wp) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w >= filter.wr) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
}
}
} else if (filter.type == 2) {
for (i = 0, w = 0; (w <= 1.0); ++i, w += w_incr) {
if (w <= filter.wr) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ar, "|----------------Stopband Failure-------------|");
} else if (w == filter.wc) {
__DSVERIFIER_assert_msg(res[i] <= filter.Ac, "|-------------Cutoff Frequency Failure--------|");
} else if ((w > filter.wp) && (w <= 1)) {
__DSVERIFIER_assert_msg(res[i] >= filter.Ap, "|----------------Passband Failure-------------|");
}
}
} else {
__DSVERIFIER_assert(0);
}
return 0;
}
# 48 "/home/yashchopda/Desktop/dsverifier-v2.0.3-esbmc-v4.0-cbmc-5.6/bmc/dsverifier.h" 2
extern digital_system ds;
extern digital_system plant;
digital_system plant_cbmc;
extern digital_system controller;
extern implementation impl;
extern hardware hw;
extern digital_system_state_space _controller;
extern filter_parameters filter;
unsigned int nondet_uint();
extern void initials();
void validation();
void call_verification_task(void * verification_task);
void call_closedloop_verification_task(void * closedloop_verification_task);
float nondet_float();
double nondet_double();
int main(){
initialization();
validation();
if (1 == 0)
rounding_mode = 0;
else if (1 == 1)
rounding_mode = 1;
else if (1 == 2)
rounding_mode = 2;
if (3 == 3)
{
call_verification_task(&verify_overflow);
}
else if (3 == 2)
{
call_verification_task(&verify_limit_cycle);
}
else if (3 == 6)
{
call_verification_task(&verify_error);
}
else if (3 == 1)
{
call_verification_task(&verify_zero_input_limit_cycle);
}
else if (3 == 4)
{
call_verification_task(&verify_timing_msp_430);
}
else if (3 == 5)
{
call_verification_task(&verify_generic_timing);
}
else if (3 == 7)
{
call_verification_task(&verify_stability);
}
else if (3 == 8)
{
call_verification_task(&verify_minimum_phase);
}
else if (3 == 9)
{
call_closedloop_verification_task(&verify_stability_closedloop_using_dslib);
}
else if (3 == 10)
{
call_closedloop_verification_task(&verify_limit_cycle_closed_loop);
}
else if (3 == 11)
{
call_closedloop_verification_task(&verify_error_closedloop);
}
else if (3 == 12)
{
verify_error_state_space();
}
else if (3 == 16)
{
verify_safety_state_space();
}
else if (3 == 13)
{
verify_controllability();
}
else if (3 == 14)
{
verify_observability();
}
else if (3 == 15)
{
verify_limit_cycle_state_space();
}
else if (3 == 18)
{
call_verification_task(&verify_magnitude);
}
return 0;
}
void validation()
{
if (3 == 12 || 3 == 16 ||
3 == 15 || 3 == 13 ||
3 == 14)
{
if (0 == 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a K_SIZE to use this property in DSVerifier (use: -DK_SIZE=VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
exit(1);
}
initials();
return;
}
if (((3 != 9) && (3 != 10) &&
(3 != 11)) && (ds.a_size == 0 || ds.b_size == 0))
{
printf("\n\n****************************************************************************\n");
printf("* set (ds and impl) parameters to check with DSVerifier *\n");
printf("****************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((3 == 9) || (3 == 10) ||
(3 == 11))
{
if (controller.a_size == 0 || plant.b_size == 0 || impl.int_bits == 0 )
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller, plant, and impl) parameters to check CLOSED LOOP with DSVerifier *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
printf("\n\n*****************************************************************************************************\n");
printf("* set (controller and impl) parameters so that they do not overflow *\n");
printf("*****************************************************************************************************\n");
unsigned j;
for (j = 0; j < controller.a_size; ++j)
{
const double value=controller.a[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
for (j = 0; j < controller.b_size; ++j)
{
const double value=controller.b[j];
__DSVERIFIER_assert(value <= _dbl_max);
__DSVERIFIER_assert(value >= _dbl_min);
}
}
if (controller.b_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.b_size; ++j)
{
if (controller.b[j]==0)
++zeros;
}
if (zeros == controller.b_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller numerator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (controller.a_size > 0)
{
unsigned j, zeros=0;
for (j = 0; j < controller.a_size; ++j)
{
if (controller.a[j]==0)
++zeros;
}
if (zeros == controller.a_size)
{
printf("\n\n*****************************************************************************************************\n");
printf("* The controller denominator must not be zero *\n");
printf("*****************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (0 == 0)
{
printf("\n\n***************************************************************************************************************\n");
printf("* set a connection mode to check CLOSED LOOP with DSVerifier (use: --connection-mode TYPE) *\n");
printf("***************************************************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (3 == 0)
{
printf("\n\n***************************************************************************************\n");
printf("* set the property to check with DSVerifier (use: --property NAME) *\n");
printf("***************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if ((3 == 3) || (3 == 2) || (3 == 1) ||
(3 == 10) || (3 == 11) ||
(3 == 4 || 3 == 5) || 3 == 6)
{
if ((5 == 0) && !(0 == 1))
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE to use this property in DSVerifier (use: --x-size VALUE) *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else if (0 == 1)
{
X_SIZE_VALUE = nondet_uint();
__DSVERIFIER_assume( X_SIZE_VALUE > (2 * ds.a_size));
}
else if (5 < 0)
{
printf("\n\n********************************************************************************************\n");
printf("* set a X_SIZE > 0 *\n");
printf("********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
else
{
X_SIZE_VALUE = 5;
}
}
if ((3 == 0) && (3 != 9) && (3 != 18))
{
printf("\n\n*********************************************************************************************\n");
printf("* set the realization to check with DSVerifier (use: --realization NAME) *\n");
printf("*********************************************************************************************\n");
__DSVERIFIER_assert(0);
}
if (3 == 6 || 3 == 11)
{
if (impl.max_error == 0)
{
printf("\n\n***********************************************************************\n");
printf("* provide the maximum expected error (use: impl.max_error) *\n");
printf("***********************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if (3 == 4 || 3 == 5)
{
if (3 == 5 || 3 == 4)
{
if (hw.clock == 0l)
{
printf("\n\n***************************\n");
printf("* Clock could not be zero *\n");
printf("***************************\n");
__DSVERIFIER_assert(0);
}
hw.cycle = ((double) 1.0 / hw.clock);
if (hw.cycle < 0)
{
printf("\n\n*********************************************\n");
printf("* The cycle time could not be representable *\n");
printf("*********************************************\n");
__DSVERIFIER_assert(0);
}
if (ds.sample_time == 0)
{
printf("\n\n*****************************************************************************\n");
printf("* provide the sample time of the digital system (ds.sample_time) *\n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
}
if (3 == 18)
{
if (!((filter.Ap > 0) && (filter.Ac >0) && (filter.Ar >0)))
{
printf("\n\n*****************************************************************************\n");
printf("* set values bigger than 0 for Ap, Ac and Ar* \n");
printf("*****************************************************************************\n");
__DSVERIFIER_assert(0);
}
}
if ((3 == 7) || (3 == 8) || (3 == 9) ||
(3 == 10) || (3 == 11) || (3 == 12))
{
printf("\n\n******************************************\n");
printf("* Temporarily the cascade modes are disabled *\n");
printf("**********************************************\n");
__DSVERIFIER_assert(0);
}
}
void call_verification_task(void * verification_task)
{
int i = 0;
_Bool base_case_executed = 0;
if (0 == 2)
{
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ds.b_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ds.a_uncertainty[i];
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
else
{
int i=0;
for(i=0; i<ds.b_size; i++)
{
if (ds.b_uncertainty[i] > 0)
{
double factor = ((ds.b[i] * ds.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.b[i] - factor;
double max = ds.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.b[i] = nondet_double();
__DSVERIFIER_assume((ds.b[i] >= min) && (ds.b[i] <= max));
}
}
for(i=0; i<ds.a_size; i++)
{
if (ds.a_uncertainty[i] > 0)
{
double factor = ((ds.a[i] * ds.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = ds.a[i] - factor;
double max = ds.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
ds.a[i] = nondet_double();
__DSVERIFIER_assume((ds.a[i] >= min) && (ds.a[i] <= max));
}
}
}
((void(*)())verification_task)();
}
void call_closedloop_verification_task(void * closedloop_verification_task)
{
_Bool base_case_executed = 0;
int i=0;
for(i=0; i<plant.b_size; i++)
{
if (plant.b_uncertainty[i] > 0)
{
double factor = ((plant.b[i] * plant.b_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.b[i] - factor;
double max = plant.b[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant_cbmc.b[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.b[i] >= min) && (plant_cbmc.b[i] <= max));
}else{
plant_cbmc.b[i] = plant.b[i];
}
}
for(i=0; i<plant.a_size; i++)
{
if (plant.a_uncertainty[i] > 0)
{
double factor = ((plant.a[i] * plant.a_uncertainty[i]) / 100);
factor = factor < 0 ? factor * (-1) : factor;
double min = plant.a[i] - factor;
double max = plant.a[i] + factor;
if ((factor == 0) && (base_case_executed == 1))
{
continue;
}
else if ((factor == 0) && (base_case_executed == 0))
{
base_case_executed = 1;
}
plant_cbmc.a[i] = nondet_double();
__DSVERIFIER_assume((plant_cbmc.a[i] >= min) && (plant_cbmc.a[i] <= max));
}
else
{
plant_cbmc.a[i] = plant.a[i];
}
}
((void(*)())closedloop_verification_task)();
}
# 2 "benchmarks/ds-04-impl2.c" 2
digital_system ds = {
.b = { 135.0, -260.0, 125.0 },
.b_size = 3,
.a = { 1.0, -1.0, 0.0 },
.a_size = 3,
.sample_time = 0.02
};
implementation impl = {
.int_bits = 10,
.frac_bits = 6,
.max = 1.0,
.min = -1.0
};
|
the_stack_data/22013113.c
|
/*
Problem:
The prime factors of 13195 are 5,7,13 and 29. What is the largest prime factor of a given number N?
e.g. for 10, largest prime factor = 5. For 17, largest prime factor = 17.
*/
#include <stdio.h>
int main() {
int n = 0;
scanf("%d", &n);
int prime = 1;
int i = 2;
while (i*i <= n) {
while (n%i == 0) {
prime = i;
n /= i;
}
i += 1;
}
if (n > 1)
prime = n;
printf("%d\n", prime);
}
|
the_stack_data/175144098.c
|
// Insertion sort ascending order
#include <stdio.h>
int main(void)
{
int n, array[1000], c, d, t;
printf("Enter number of elements\n");
scanf("%d", &n);
printf("Enter %d integers\n", n);
for(c = 0; c < n; c++)
scanf("%d", &array[c]);
for(c = 1; c <= n - 1; c++)
{
d = c;
while(d > 0 && array[d - 1] > array[d])
{
t = array[d];
array[d] = array[d - 1];
array[d - 1] = t;
d--;
}
}
printf("Sorted list in ascending order:\n");
for(c = 0; c <= n - 1; c++)
{
printf("%d\n", array[c]);
}
return 0;
}
|
the_stack_data/20811.c
|
/*
* Copyright 2016 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
int x = 5, y = 9, magic = 7; // fool compiler with magic
memmove(&x, &y, magic - 7); // 0 should not crash us
int xx, yy, zz;
char s[32];
int cc = sscanf("abc_10.b1_xyz9_543_defg", "abc_%d.%2x_xyz9_%3d_%3s", &xx,
&yy, &zz, s);
printf("%d:%d,%d,%d,%s\n", cc, xx, yy, zz, s);
printf("%d\n", argc);
puts(argv[1]);
puts(argv[2]);
printf("%d\n", atoi(argv[3]) + 2);
const char *foolingthecompiler = "\rabcd";
printf("%lu\n", strlen(foolingthecompiler)); // Tests parsing /0D in llvm -
// should not be a 0 (end string)
// then a D!
printf("null -> %s\n", (char*)NULL); // Should print '(null)', not the string at address 0,
// which is a real address for us!
printf("/* a comment */\n"); // Should not break the generated code!
printf("// another\n"); // Should not break the generated code!
char *strdup_val = strdup("test");
printf("%s\n", strdup_val);
free(strdup_val);
{
const char *one = "one 1 ONE !";
const char *two = "two 2 TWO ?";
char three[1024];
memset(three, '.', 1024);
three[50] = 0;
strncpy(three + argc, one + (argc / 2), argc + 1);
strncpy(three + argc * 3, two + (argc / 3), argc + 2);
printf("waka %s\n", three);
}
{
const char *one = "string number one top notch";
const char *two = "fa la sa ho fi FI FO FUM WHEN WHERE WHY HOW WHO";
char three[1000];
strcpy(three, &one[argc * 2]);
char *four = strcat(three, &two[argc * 3]);
printf("cat |%s|\n", three);
printf("returned |%s|\n", four);
}
return 0;
}
|
the_stack_data/148576977.c
|
#include<stdio.h>
int main()
{
int number,i,sum;
float avr;
do
{
scanf("%d", &number);
}while(number <=0 || number >=10000);
i=0;
sum=0;
do{
sum=sum+number%10;
number= number/10;
i++;
}while(number!= 0);
avr= sum/i;
if(avr<7)
{
printf("light");
}
if(avr>7)
{
printf("heavy");
}
if (avr == 7)
{
printf("light");
}
return 0;
}
|
the_stack_data/1037446.c
|
char* hello() {
return "hello, world!";
}
|
the_stack_data/70459.c
|
//
// atoi.c
//
// A program to convert a string to integer.
//
#include<stdio.h>
#include<assert.h>
int atoi__(char *str){
int result = 0;
while( (*str != EOF) && isdigit(*str) )
{
result = result * 10 + (*str - '0');
str++;
}
return result;
}
int main(void){
assert(atoi__("888") == 888);
assert(atoi__("784abc") == 784);
assert(atoi__("abcd") == 0);
assert(atoi__("abcd7474") == 0);
return 0;
}
|
the_stack_data/103265846.c
|
/*
Copyright 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
void
main3 (void)
{
}
|
the_stack_data/91297.c
|
#include <netdb.h>
#include <stdio.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
int main(int c, char **v) {
if (c != 2) {
return -1;
}
struct hostent *h;
h = gethostbyname(v[1]);
if (NULL == h) {
return -1;
}
int i;
for (i = 0; NULL != h->h_addr_list[i]; i++) {
struct in_addr *a = (struct in_addr*) h->h_addr_list[i];
printf("%s\n", inet_ntoa(*a));
}
return 0;
}
|
the_stack_data/111822.c
|
/* Simplified from ncurses 5.0's pad.c
by Alexandre Oliva <[email protected]>
Copyright (C) 1999 Free Software Foundation */
/* { dg-do compile } */
extern char foo[1];
char foo[] = "";
int
bar()
{
return foo[0];
}
|
the_stack_data/216489.c
|
#include <stdio.h> /* standard I/O routines */
#include <pthread.h> /* pthread functions and data structures */
#include <unistd.h>
#include <stdlib.h> /* needed for exit function */
/* This function is to be executed by the new thread */
// void* data means storing a memory address rather than integer value
void* print_hello(void* data) {
long int my_data = (long int) data; /* data received by thread */
//must cast received data back to original data type.
pthread_detach(pthread_self());
printf("Hello from thread %ld - I was created in iteration %ld\n", my_data, my_data-1);
pthread_exit(NULL); /* terminate the thread */
}
int main(int argc, char* argv[]) {
if (argc < 2) {
printf("append a number at the end of ./hellomany\n");
return 0;
}
int n = atoi(argv[1]);
int rc; /* value returned from thread creation */
pthread_t thread_id; /* thread's ID (a long unsigned integer)*/
long int t = 11; /* data passed to the new thread */
int freq = 0;
for (int i = 1; i <= n; i++) {
rc = pthread_create(&thread_id, NULL, print_hello, (void*) i);
freq++;
if (rc) {
printf("ERROR: return code from pthread_create is %d\n", rc);
exit(1);
}
printf("I am thread 1. Created new thread (%d) in iteration %d...\n", i, i-1);
if (freq == 5) {
freq = 0;
sleep(1);
}
}
pthread_exit(NULL); /* terminate the thread */
return 0;
}
|
the_stack_data/519382.c
|
#include<stdio.h> //Input Output
#include<math.h>
#define PI 3.1416 //Definiendo una constante
void main(){
float area, radio; // Declarando variables de tipo flotante
radio = 5; //Asignando valor a variable radio
area = PI * pow(5,2); //Asignando resultado de la operacion variable
printf("Area\n"); //Imprimiendo Titulo
// Imprimiendo resultado
printf("%s%f\n\n", "Area de Circulo con radio 5: %f", area);
}
|
the_stack_data/18888450.c
|
/*C program to check nunber is perfect or not.*/
#include <stdio.h>
int isPerfect(int num)
{
int loop,sum=0;
for(loop=1; loop<num; loop++)
{
if(num%loop==0)
sum+=loop;
}
if(sum==num)
return 1;
else
return 0;
}
int main()
{
int num,loop;
int sum;
printf("Enter an integer number: ");
scanf("%d",&num);
if(isPerfect(num))
printf("%d is a perfect number.",num);
else
printf("%d is not a perfect number.",num);
return 0;
}
|
the_stack_data/28262929.c
|
#include <string.h>
char* strcat(char* dst, const char* src)
{
return strcpy(dst + strlen(dst), src);
}
|
the_stack_data/396870.c
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ERR(source) (perror(source),\
fprintf(stderr,"%s:%d\n",__FILE__,__LINE__),\
exit(EXIT_FAILURE))
int main()
{
char name[22];
scanf("%21s",name);
if(strlen(name)>20) ERR("Name too long");
printf("Hello %s\n",name);
return EXIT_SUCCESS;
}
|
the_stack_data/56097.c
|
#include <stdio.h>
int main(void)
{
int c;
printf("I'm waiting for a char: ");
c = getchar();
printf("I waited for the %d char.\n", c);
return(0);
}
|
the_stack_data/206392359.c
|
// Pulled from musl libc, locale support removed
#include <ctype.h>
int tolower(int c)
{
if(isupper(c))
return c | 32;
return c;
}
|
the_stack_data/14200975.c
|
#include <stdio.h>
int main()
{
int male, female, sum = 0, count = 0;
float child;
for (male = 0; male <= 36; male++)
{
for (female = 0; female <= 36; female++)
{
for (child = 0; child <= 36; child++)
{
sum = male + female + child;
if (male * 4 + female * 3 + child * 1 / 2 == 36 && sum == 36)
{
printf ("男%d人 女%d人 小儿%d人\n", male, female, (int)child);
count++;
}
}
}
}
printf ("共有%d组解\n", count);
return 0;
}
|
the_stack_data/20449523.c
|
/*
<TAGS>math</TAGS>
DESCRIPTION:
Round an array of double-precision numbers to the nearest desired base
* If input is not finite (INF or NAN) no rounding is attempted
* Result may in fact have zeros added for a few decimal places after desired precision
Example: 49.974998 rounded to 3 decimal places may become 49.975002
* This is due to the use of nextafter() to increment the numbers slightly
* This ensures that when using a formatted print to display the numbers, rounding is in the right direction
* It also means that a precise input (50.000000) may become slightly less precise (50.000004)
REVISIONS:
14 April 2014: fix rounding for negative numbers (subtract 0.5, don't add)
4 November 2015: fix rounding for negative numbers (prevent negative numbers from rounding to zero)
DEPENDENCY TREE:
No dependencies
ARGUMENTS:
double input : input array
size_t nn : size of array
double base : nearest number to round to (eg. 0.1, 1, 100, 9 etc)
int setdown : use standard rounding (0) or force to round down (1)
RETURN VALUE:
zero (no errors possible)
NOTE: input array is modified
SAMPLE CALLS:
x= round2_d( array, 10000, 10,0); # if encountered, rounds 105 to the nearest ten, so x=110
x= round2_d( array, 10000, 10,1); # if encountered, rounds 105 down to the nearest ten, so x=100
*/
#include <stdlib.h>
#include <math.h>
#include <float.h>
int xf_round2_d(double* input, size_t nn, double setbase, int setdown) {
size_t ii;
double aa;
if(setdown==0) {
for(ii=0;ii<nn;ii++) {
aa=input[ii];
if(isfinite(aa)) {
if(aa>=0.0) {
aa= nextafter(aa,DBL_MAX)/setbase;
input[ii] = setbase*(long)(aa+0.5);
}
else {
aa= nextafter(aa,-DBL_MAX)/setbase;
input[ii] = setbase*(long)(aa-0.5);
}
}}}
if(setdown==1) {
for(ii=0;ii<nn;ii++) {
aa=input[ii];
if(isfinite(aa)) {
if(aa>=0.0) {
aa= nextafter(aa,DBL_MAX)/setbase;
input[ii]= setbase*(long)(aa);
}
else {
aa= nextafter(aa,DBL_MAX)/setbase;
input[ii] = setbase*((long)aa-1);
}
}}}
return(0);
}
|
the_stack_data/200143168.c
|
/* Taxonomy Classification: 0000000000000051000000 */
/*
* WRITE/READ 0 write
* WHICH BOUND 0 upper
* DATA TYPE 0 char
* MEMORY LOCATION 0 stack
* SCOPE 0 same
* CONTAINER 0 no
* POINTER 0 no
* INDEX COMPLEXITY 0 constant
* ADDRESS COMPLEXITY 0 constant
* LENGTH COMPLEXITY 0 N/A
* ADDRESS ALIAS 0 none
* INDEX ALIAS 0 none
* LOCAL CONTROL FLOW 0 none
* SECONDARY CONTROL FLOW 0 none
* LOOP STRUCTURE 5 non-standard do-while
* LOOP COMPLEXITY 1 zero
* ASYNCHRONY 0 no
* TAINT 0 no
* RUNTIME ENV. DEPENDENCE 0 no
* MAGNITUDE 0 no overflow
* CONTINUOUS/DISCRETE 0 discrete
* SIGNEDNESS 0 no
*/
/*
Copyright 2005 Massachusetts Institute of Technology
All rights reserved.
Redistribution and use of software in source and binary forms, with or without
modification, are permitted provided that the following conditions are met.
- Redistributions of source code must retain the above copyright notice,
this set of conditions and the disclaimer below.
- Redistributions in binary form must reproduce the copyright notice, this
set of conditions, and the disclaimer below in the documentation and/or
other materials provided with the distribution.
- Neither the name of the Massachusetts Institute of Technology nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS".
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
int main(int argc, char *argv[])
{
int loop_counter;
char buf[10];
loop_counter = 0;
do
{
/* OK */
buf[9] = 'A';
}
while((++loop_counter) && (loop_counter <= 9));
return 0;
}
|
the_stack_data/113571.c
|
/****************************************************************
*
* The author of this software is David M. Gay.
*
* Copyright (c) 1991, 1996 by Lucent Technologies.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR LUCENT MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*
***************************************************************/
/* g_fmt(buf,x) stores the closest decimal approximation to x in buf;
* it suffices to declare buf
* char buf[32];
*/
#ifdef __cplusplus
extern "C" {
#endif
extern char *g_dtoa(double, int, int, int *, int *, char **);
extern char *g_fmt(char *, double);
extern void g_freedtoa(char*);
#ifdef __cplusplus
}
#endif
char *
g_fmt(register char *b, double x)
{
register int i, k;
register char *s;
int decpt, j, sign;
char *b0, *s0, *se;
b0 = b;
#ifdef IGNORE_ZERO_SIGN
if (!x) {
*b++ = '0';
*b = 0;
goto done;
}
#endif
s = s0 = g_dtoa(x, 0, 0, &decpt, &sign, &se);
if (sign)
*b++ = '-';
if (decpt == 9999) /* Infinity or Nan */ {
while(*b++ = *s++);
goto done0;
}
if (decpt <= -4 || decpt > se - s + 5) {
*b++ = *s++;
if (*s) {
*b++ = '.';
while(*b = *s++)
b++;
}
*b++ = 'e';
/* sprintf(b, "%+.2d", decpt - 1); */
if (--decpt < 0) {
*b++ = '-';
decpt = -decpt;
}
else
*b++ = '+';
for(j = 2, k = 10; 10*k <= decpt; j++, k *= 10);
for(;;) {
i = decpt / k;
*b++ = i + '0';
if (--j <= 0)
break;
decpt -= i*k;
decpt *= 10;
}
*b = 0;
}
else if (decpt <= 0) {
*b++ = '.';
for(; decpt < 0; decpt++)
*b++ = '0';
while(*b++ = *s++);
}
else {
while(*b = *s++) {
b++;
if (--decpt == 0 && *s)
*b++ = '.';
}
for(; decpt > 0; decpt--)
*b++ = '0';
*b = 0;
}
done0:
g_freedtoa(s0);
done:
return b0;
}
|
the_stack_data/134237.c
|
#include <stdbool.h>
#include <stdio.h>
int main() {
while (true) {
bool digit_seen[10] = {0};
int digit;
long n;
printf("Enter a number: ");
scanf("%ld", &n);
if (n < 0)
break;
while (n > 0) {
digit = n % 10;
if (digit_seen[digit])
break;
digit_seen[digit] = true;
n /= 10;
}
if (n > 0)
printf("Repeated digit.\n");
else
printf("No repeated digit.\n");
}
return 0;
}
// Enter a number: 100000000000000001
|
the_stack_data/218892896.c
|
#include <stdio.h>
int main(void)
{
int sayi;
scanf("%d", &sayi);
if (sayi < 20 || sayi > 100)
{
printf("Sayi tam istedigimiz gibi\n");
}
else
{
printf("Sayi 20 ile 100 arasindadir.\n");
}
return 0;
}
|
the_stack_data/15762862.c
|
#include <stdio.h>
signed int main(void) {
int k;
scanf("%d", &k);
int lista[k], lowest, position = 0;
for(int i = 0; i < k; i++) {
scanf("%d", &lista[i]);
}
lowest = lista[0];
for(int i = 0; i < k; i++) {
if(lista[i] < lowest) {
lowest = lista[i];
position = i;
}
}
printf("Menor valor: %d\n", lowest);
printf("Posicao: %d\n", position);
}
|
the_stack_data/198581105.c
|
// Value profiling is currently not supported in lightweight mode.
// RUN: %clang_pgogen -o %t.normal -mllvm --disable-vp=true %S/../Inputs/instrprof-debug-info-correlate-main.cpp %S/../Inputs/instrprof-debug-info-correlate-foo.cpp
// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.normal
// RUN: llvm-profdata merge -o %t.normal.profdata %t.profraw
// RUN: %clang_pgogen -o %t.d4 -g -gdwarf-4 -mllvm --debug-info-correlate -mllvm --disable-vp=true %S/../Inputs/instrprof-debug-info-correlate-main.cpp %S/../Inputs/instrprof-debug-info-correlate-foo.cpp
// RUN: env LLVM_PROFILE_FILE=%t.d4.proflite %run %t.d4
// RUN: llvm-profdata merge -o %t.d4.profdata --debug-info=%t.d4 %t.d4.proflite
// RUN: diff %t.normal.profdata %t.d4.profdata
// RUN: %clang_pgogen -o %t -g -mllvm --debug-info-correlate -mllvm --disable-vp=true %S/../Inputs/instrprof-debug-info-correlate-main.cpp %S/../Inputs/instrprof-debug-info-correlate-foo.cpp
// RUN: env LLVM_PROFILE_FILE=%t.proflite %run %t
// RUN: llvm-profdata merge -o %t.profdata --debug-info=%t %t.proflite
// RUN: diff %t.normal.profdata %t.profdata
|
the_stack_data/92328091.c
|
// program to determine the roots of a quadratic equation.
#include<stdio.h>
#include <math.h>
int main()
{
int a,b,c,det;
float x1,x2;
printf("Enter the value of a,b and c: ");
scanf("%d %d %d",&a, &b, &c);
det=b*b-4*a*c;
printf("determinant of given values:%d\n",det);
if (det>0)
{
x1=(-b+sqrt(det))/(2*a);
x2=(-b-sqrt(det))/(2*a);
printf("The roots of quadratic equation are:\n");
printf("x1=%0.2f\t x2=%0.2f\n",x1,x2);
}
else if (det==0)
{
x1=(-b)/(2*a);
x2=(-b)/(2*a);
printf("Both the roots of quadratic equation are equal which are:\n");
printf("x1=%0.2f\t x2=%0.2f\n",x1,x2);
}
else if (det<0)
{
printf("\nThe roots of such quadratic equation are imaginary.\n");
}
return 0;
}
|
the_stack_data/1173464.c
|
/**
* Copyright (c) 2010-2011 William Light <[email protected]>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
/* convert a port int to either a zero-length string if 0 or
a maximum 5 length string. */
void sosc_port_itos(char *dest, long int port) {
if( port )
snprintf(dest, sizeof(char) * 6, "%ld", port);
else
*dest = '\0';
}
|
the_stack_data/179829903.c
|
// general protection fault in __queue_work
// https://syzkaller.appspot.com/bug?id=920d77b97cf789b3113e
// status:0
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>
static unsigned long long procid;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
(addr < prog_start || addr > prog_end)) {
_longjmp(segv_env, 1);
}
exit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i;
for (i = 0; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
struct nlmsg {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[1024];
};
static struct nlmsg nlmsg;
static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
const void* data, int size)
{
memset(nlmsg, 0, sizeof(*nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
memcpy(attr + 1, data, size);
nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_type = typ;
nlmsg->pos += sizeof(*attr);
nlmsg->nested[nlmsg->nesting++] = attr;
}
static void netlink_done(struct nlmsg* nlmsg)
{
struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
attr->nla_len = nlmsg->pos - (char*)attr;
}
static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
int* reply_len)
{
if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
unsigned n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != hdr->nlmsg_len)
exit(1);
n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
if (reply_len)
*reply_len = 0;
if (hdr->nlmsg_type == NLMSG_DONE)
return 0;
if (n < sizeof(struct nlmsghdr))
exit(1);
if (reply_len && hdr->nlmsg_type == reply_type) {
*reply_len = n;
return 0;
}
if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
exit(1);
if (hdr->nlmsg_type != NLMSG_ERROR)
exit(1);
return -((struct nlmsgerr*)(hdr + 1))->error;
}
static int netlink_send(struct nlmsg* nlmsg, int sock)
{
return netlink_send_ext(nlmsg, sock, 0, NULL);
}
static int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset,
unsigned int total_len)
{
struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset);
if (offset == total_len || offset + hdr->nlmsg_len > total_len)
return -1;
return hdr->nlmsg_len;
}
static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
const char* name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
if (name)
netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
netlink_nest(nlmsg, IFLA_LINKINFO);
netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_add_device(struct nlmsg* nlmsg, int sock, const char* type,
const char* name)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_veth(struct nlmsg* nlmsg, int sock, const char* name,
const char* peer)
{
netlink_add_device_impl(nlmsg, "veth", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_nest(nlmsg, VETH_INFO_PEER);
nlmsg->pos += sizeof(struct ifinfomsg);
netlink_attr(nlmsg, IFLA_IFNAME, peer, strlen(peer));
netlink_done(nlmsg);
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_hsr(struct nlmsg* nlmsg, int sock, const char* name,
const char* slave1, const char* slave2)
{
netlink_add_device_impl(nlmsg, "hsr", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
int ifindex1 = if_nametoindex(slave1);
netlink_attr(nlmsg, IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
int ifindex2 = if_nametoindex(slave2);
netlink_attr(nlmsg, IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_linked(struct nlmsg* nlmsg, int sock, const char* type,
const char* name, const char* link)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_vlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t id, uint16_t proto)
{
netlink_add_device_impl(nlmsg, "vlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_VLAN_ID, &id, sizeof(id));
netlink_attr(nlmsg, IFLA_VLAN_PROTOCOL, &proto, sizeof(proto));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_macvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link)
{
netlink_add_device_impl(nlmsg, "macvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
uint32_t mode = MACVLAN_MODE_BRIDGE;
netlink_attr(nlmsg, IFLA_MACVLAN_MODE, &mode, sizeof(mode));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_geneve(struct nlmsg* nlmsg, int sock, const char* name,
uint32_t vni, struct in_addr* addr4,
struct in6_addr* addr6)
{
netlink_add_device_impl(nlmsg, "geneve", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_GENEVE_ID, &vni, sizeof(vni));
if (addr4)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE, addr4, sizeof(*addr4));
if (addr6)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE6, addr6, sizeof(*addr6));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
#define IFLA_IPVLAN_FLAGS 2
#define IPVLAN_MODE_L3S 2
#undef IPVLAN_F_VEPA
#define IPVLAN_F_VEPA 2
static void netlink_add_ipvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t mode, uint16_t flags)
{
netlink_add_device_impl(nlmsg, "ipvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_IPVLAN_MODE, &mode, sizeof(mode));
netlink_attr(nlmsg, IFLA_IPVLAN_FLAGS, &flags, sizeof(flags));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_device_change(struct nlmsg* nlmsg, int sock,
const char* name, bool up, const char* master,
const void* mac, int macsize,
const char* new_name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
hdr.ifi_index = if_nametoindex(name);
netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
if (new_name)
netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
const void* addr, int addrsize)
{
struct ifaddrmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
hdr.ifa_scope = RT_SCOPE_UNIVERSE;
hdr.ifa_index = if_nametoindex(dev);
netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
return netlink_send(nlmsg, sock);
}
static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in_addr in_addr;
inet_pton(AF_INET, addr, &in_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
(void)err;
}
static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in6_addr in6_addr;
inet_pton(AF_INET6, addr, &in6_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
(void)err;
}
static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
const void* addr, int addrsize, const void* mac,
int macsize)
{
struct ndmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ndm_ifindex = if_nametoindex(name);
hdr.ndm_state = NUD_PERMANENT;
netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, NDA_DST, addr, addrsize);
netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int tunfd = -1;
#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"
#define IFF_NAPI 0x0010
static void initialize_tun(void)
{
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
const int kTunFd = 240;
if (dup2(tunfd, kTunFd) < 0)
exit(1);
close(tunfd);
tunfd = kTunFd;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
exit(1);
}
char sysctl[64];
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
write_file(sysctl, "0");
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
write_file(sysctl, "0");
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
uint64_t macaddr = REMOTE_MAC;
struct in_addr in_addr;
inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
&macaddr, ETH_ALEN);
struct in6_addr in6_addr;
inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
&macaddr, ETH_ALEN);
macaddr = LOCAL_MAC;
netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
NULL);
close(sock);
}
const int kInitNetNsFd = 239;
#define DEVLINK_FAMILY_NAME "devlink"
#define DEVLINK_CMD_PORT_GET 5
#define DEVLINK_ATTR_BUS_NAME 1
#define DEVLINK_ATTR_DEV_NAME 2
#define DEVLINK_ATTR_NETDEV_NAME 7
static int netlink_devlink_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
struct nlattr* attr;
int err, n;
uint16_t id = 0;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, DEVLINK_FAMILY_NAME,
strlen(DEVLINK_FAMILY_NAME) + 1);
err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
return id;
}
static struct nlmsg nlmsg2;
static void initialize_devlink_ports(const char* bus_name, const char* dev_name,
const char* netdev_prefix)
{
struct genlmsghdr genlhdr;
int len, total_len, id, err, offset;
uint16_t netdev_index;
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1)
exit(1);
int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (rtsock == -1)
exit(1);
id = netlink_devlink_id_get(&nlmsg, sock);
if (id == -1)
goto error;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = DEVLINK_CMD_PORT_GET;
netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
err = netlink_send_ext(&nlmsg, sock, id, &total_len);
if (err) {
goto error;
}
offset = 0;
netdev_index = 0;
while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) {
struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg.buf + offset + len;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) {
char* port_name;
char netdev_name[IFNAMSIZ];
port_name = (char*)(attr + 1);
snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix,
netdev_index);
netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0,
netdev_name);
break;
}
}
offset += len;
netdev_index++;
}
error:
close(rtsock);
close(sock);
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void netdevsim_add(unsigned int addr, unsigned int port_count)
{
char buf[16];
sprintf(buf, "%u %u", addr, port_count);
if (write_file("/sys/bus/netdevsim/new_device", buf)) {
snprintf(buf, sizeof(buf), "netdevsim%d", addr);
initialize_devlink_ports("netdevsim", buf, "netdevsim");
}
}
#define WG_GENL_NAME "wireguard"
enum wg_cmd {
WG_CMD_GET_DEVICE,
WG_CMD_SET_DEVICE,
};
enum wgdevice_attribute {
WGDEVICE_A_UNSPEC,
WGDEVICE_A_IFINDEX,
WGDEVICE_A_IFNAME,
WGDEVICE_A_PRIVATE_KEY,
WGDEVICE_A_PUBLIC_KEY,
WGDEVICE_A_FLAGS,
WGDEVICE_A_LISTEN_PORT,
WGDEVICE_A_FWMARK,
WGDEVICE_A_PEERS,
};
enum wgpeer_attribute {
WGPEER_A_UNSPEC,
WGPEER_A_PUBLIC_KEY,
WGPEER_A_PRESHARED_KEY,
WGPEER_A_FLAGS,
WGPEER_A_ENDPOINT,
WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
WGPEER_A_LAST_HANDSHAKE_TIME,
WGPEER_A_RX_BYTES,
WGPEER_A_TX_BYTES,
WGPEER_A_ALLOWEDIPS,
WGPEER_A_PROTOCOL_VERSION,
};
enum wgallowedip_attribute {
WGALLOWEDIP_A_UNSPEC,
WGALLOWEDIP_A_FAMILY,
WGALLOWEDIP_A_IPADDR,
WGALLOWEDIP_A_CIDR_MASK,
};
static int netlink_wireguard_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
struct nlattr* attr;
int err, n;
uint16_t id = 0;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, WG_GENL_NAME,
strlen(WG_GENL_NAME) + 1);
err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
return id;
}
static void netlink_wireguard_setup(void)
{
const char ifname_a[] = "wg0";
const char ifname_b[] = "wg1";
const char ifname_c[] = "wg2";
const char private_a[] =
"\xa0\x5c\xa8\x4f\x6c\x9c\x8e\x38\x53\xe2\xfd\x7a\x70\xae\x0f\xb2\x0f\xa1"
"\x52\x60\x0c\xb0\x08\x45\x17\x4f\x08\x07\x6f\x8d\x78\x43";
const char private_b[] =
"\xb0\x80\x73\xe8\xd4\x4e\x91\xe3\xda\x92\x2c\x22\x43\x82\x44\xbb\x88\x5c"
"\x69\xe2\x69\xc8\xe9\xd8\x35\xb1\x14\x29\x3a\x4d\xdc\x6e";
const char private_c[] =
"\xa0\xcb\x87\x9a\x47\xf5\xbc\x64\x4c\x0e\x69\x3f\xa6\xd0\x31\xc7\x4a\x15"
"\x53\xb6\xe9\x01\xb9\xff\x2f\x51\x8c\x78\x04\x2f\xb5\x42";
const char public_a[] =
"\x97\x5c\x9d\x81\xc9\x83\xc8\x20\x9e\xe7\x81\x25\x4b\x89\x9f\x8e\xd9\x25"
"\xae\x9f\x09\x23\xc2\x3c\x62\xf5\x3c\x57\xcd\xbf\x69\x1c";
const char public_b[] =
"\xd1\x73\x28\x99\xf6\x11\xcd\x89\x94\x03\x4d\x7f\x41\x3d\xc9\x57\x63\x0e"
"\x54\x93\xc2\x85\xac\xa4\x00\x65\xcb\x63\x11\xbe\x69\x6b";
const char public_c[] =
"\xf4\x4d\xa3\x67\xa8\x8e\xe6\x56\x4f\x02\x02\x11\x45\x67\x27\x08\x2f\x5c"
"\xeb\xee\x8b\x1b\xf5\xeb\x73\x37\x34\x1b\x45\x9b\x39\x22";
const uint16_t listen_a = 20001;
const uint16_t listen_b = 20002;
const uint16_t listen_c = 20003;
const uint16_t af_inet = AF_INET;
const uint16_t af_inet6 = AF_INET6;
const struct sockaddr_in endpoint_b_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_b),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
const struct sockaddr_in endpoint_c_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_c),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
struct sockaddr_in6 endpoint_a_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_a)};
endpoint_a_v6.sin6_addr = in6addr_loopback;
struct sockaddr_in6 endpoint_c_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_c)};
endpoint_c_v6.sin6_addr = in6addr_loopback;
const struct in_addr first_half_v4 = {0};
const struct in_addr second_half_v4 = {htonl(128 << 24)};
const struct in6_addr first_half_v6 = {{{0}}};
const struct in6_addr second_half_v6 = {{{0x80}}};
const uint8_t half_cidr = 1;
const uint16_t persistent_keepalives[] = {1, 3, 7, 9, 14, 19};
struct genlmsghdr genlhdr = {.cmd = WG_CMD_SET_DEVICE, .version = 1};
int sock;
int id, err;
sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1) {
return;
}
id = netlink_wireguard_id_get(&nlmsg, sock);
if (id == -1)
goto error;
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_a, strlen(ifname_a) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_a, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_a, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[0], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v6,
sizeof(endpoint_c_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[1], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_b, strlen(ifname_b) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_b, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_b, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[2], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v4,
sizeof(endpoint_c_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[3], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_c, strlen(ifname_c) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_c, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_c, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[4], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[5], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
error:
close(sock);
}
static void initialize_netdevices(void)
{
char netdevsim[16];
sprintf(netdevsim, "netdevsim%d", (int)procid);
struct {
const char* type;
const char* dev;
} devtypes[] = {
{"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
{"vcan", "vcan0"}, {"bond", "bond0"},
{"team", "team0"}, {"dummy", "dummy0"},
{"nlmon", "nlmon0"}, {"caif", "caif0"},
{"batadv", "batadv0"}, {"vxcan", "vxcan1"},
{"netdevsim", netdevsim}, {"veth", 0},
{"xfrm", "xfrm0"}, {"wireguard", "wg0"},
{"wireguard", "wg1"}, {"wireguard", "wg2"},
};
const char* devmasters[] = {"bridge", "bond", "team", "batadv"};
struct {
const char* name;
int macsize;
bool noipv6;
} devices[] = {
{"lo", ETH_ALEN},
{"sit0", 0},
{"bridge0", ETH_ALEN},
{"vcan0", 0, true},
{"tunl0", 0},
{"gre0", 0},
{"gretap0", ETH_ALEN},
{"ip_vti0", 0},
{"ip6_vti0", 0},
{"ip6tnl0", 0},
{"ip6gre0", 0},
{"ip6gretap0", ETH_ALEN},
{"erspan0", ETH_ALEN},
{"bond0", ETH_ALEN},
{"veth0", ETH_ALEN},
{"veth1", ETH_ALEN},
{"team0", ETH_ALEN},
{"veth0_to_bridge", ETH_ALEN},
{"veth1_to_bridge", ETH_ALEN},
{"veth0_to_bond", ETH_ALEN},
{"veth1_to_bond", ETH_ALEN},
{"veth0_to_team", ETH_ALEN},
{"veth1_to_team", ETH_ALEN},
{"veth0_to_hsr", ETH_ALEN},
{"veth1_to_hsr", ETH_ALEN},
{"hsr0", 0},
{"dummy0", ETH_ALEN},
{"nlmon0", 0},
{"vxcan0", 0, true},
{"vxcan1", 0, true},
{"caif0", ETH_ALEN},
{"batadv0", ETH_ALEN},
{netdevsim, ETH_ALEN},
{"xfrm0", ETH_ALEN},
{"veth0_virt_wifi", ETH_ALEN},
{"veth1_virt_wifi", ETH_ALEN},
{"virt_wifi0", ETH_ALEN},
{"veth0_vlan", ETH_ALEN},
{"veth1_vlan", ETH_ALEN},
{"vlan0", ETH_ALEN},
{"vlan1", ETH_ALEN},
{"macvlan0", ETH_ALEN},
{"macvlan1", ETH_ALEN},
{"ipvlan0", ETH_ALEN},
{"ipvlan1", ETH_ALEN},
{"veth0_macvtap", ETH_ALEN},
{"veth1_macvtap", ETH_ALEN},
{"macvtap0", ETH_ALEN},
{"macsec0", ETH_ALEN},
{"veth0_to_batadv", ETH_ALEN},
{"veth1_to_batadv", ETH_ALEN},
{"batadv_slave_0", ETH_ALEN},
{"batadv_slave_1", ETH_ALEN},
{"geneve0", ETH_ALEN},
{"geneve1", ETH_ALEN},
{"wg0", 0},
{"wg1", 0},
{"wg2", 0},
};
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
netlink_add_device(&nlmsg, sock, devtypes[i].type, devtypes[i].dev);
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
sprintf(slave0, "%s_slave_0", devmasters[i]);
sprintf(veth0, "veth0_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave0, veth0);
sprintf(slave1, "%s_slave_1", devmasters[i]);
sprintf(veth1, "veth1_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave1, veth1);
sprintf(master, "%s0", devmasters[i]);
netlink_device_change(&nlmsg, sock, slave0, false, master, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, slave1, false, master, 0, 0, NULL);
}
netlink_device_change(&nlmsg, sock, "bridge_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "bridge_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "hsr_slave_0", "veth0_to_hsr");
netlink_add_veth(&nlmsg, sock, "hsr_slave_1", "veth1_to_hsr");
netlink_add_hsr(&nlmsg, sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
netlink_device_change(&nlmsg, sock, "hsr_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "hsr_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "veth0_virt_wifi", "veth1_virt_wifi");
netlink_add_linked(&nlmsg, sock, "virt_wifi", "virt_wifi0",
"veth1_virt_wifi");
netlink_add_veth(&nlmsg, sock, "veth0_vlan", "veth1_vlan");
netlink_add_vlan(&nlmsg, sock, "vlan0", "veth0_vlan", 0, htons(ETH_P_8021Q));
netlink_add_vlan(&nlmsg, sock, "vlan1", "veth0_vlan", 1, htons(ETH_P_8021AD));
netlink_add_macvlan(&nlmsg, sock, "macvlan0", "veth1_vlan");
netlink_add_macvlan(&nlmsg, sock, "macvlan1", "veth1_vlan");
netlink_add_ipvlan(&nlmsg, sock, "ipvlan0", "veth0_vlan", IPVLAN_MODE_L2, 0);
netlink_add_ipvlan(&nlmsg, sock, "ipvlan1", "veth0_vlan", IPVLAN_MODE_L3S,
IPVLAN_F_VEPA);
netlink_add_veth(&nlmsg, sock, "veth0_macvtap", "veth1_macvtap");
netlink_add_linked(&nlmsg, sock, "macvtap", "macvtap0", "veth0_macvtap");
netlink_add_linked(&nlmsg, sock, "macsec", "macsec0", "veth1_macvtap");
char addr[32];
sprintf(addr, DEV_IPV4, 14 + 10);
struct in_addr geneve_addr4;
if (inet_pton(AF_INET, addr, &geneve_addr4) <= 0)
exit(1);
struct in6_addr geneve_addr6;
if (inet_pton(AF_INET6, "fc00::01", &geneve_addr6) <= 0)
exit(1);
netlink_add_geneve(&nlmsg, sock, "geneve0", 0, &geneve_addr4, 0);
netlink_add_geneve(&nlmsg, sock, "geneve1", 1, 0, &geneve_addr6);
netdevsim_add((int)procid, 4);
netlink_wireguard_setup();
for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
char addr[32];
sprintf(addr, DEV_IPV4, i + 10);
netlink_add_addr4(&nlmsg, sock, devices[i].name, addr);
if (!devices[i].noipv6) {
sprintf(addr, DEV_IPV6, i + 10);
netlink_add_addr6(&nlmsg, sock, devices[i].name, addr);
}
uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
netlink_device_change(&nlmsg, sock, devices[i].name, true, 0, &macaddr,
devices[i].macsize, NULL);
}
close(sock);
}
static void initialize_netdevices_init(void)
{
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
struct {
const char* type;
int macsize;
bool noipv6;
bool noup;
} devtypes[] = {
{"nr", 7, true},
{"rose", 5, true, true},
};
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
char dev[32], addr[32];
sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
netlink_add_addr4(&nlmsg, sock, dev, addr);
if (!devtypes[i].noipv6) {
sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
netlink_add_addr6(&nlmsg, sock, dev, addr);
}
int macsize = devtypes[i].macsize;
uint64_t macaddr = 0xbbbbbb +
((unsigned long long)i << (8 * (macsize - 2))) +
(procid << (8 * (macsize - 1)));
netlink_device_change(&nlmsg, sock, dev, !devtypes[i].noup, 0, &macaddr,
macsize, NULL);
}
close(sock);
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN || errno == EBADFD)
return -1;
exit(1);
}
return rv;
}
static void flush_tun()
{
char data[1000];
while (read_tun(&data[0], sizeof(data)) != -1) {
}
}
#define MAX_FDS 30
static long syz_init_net_socket(volatile long domain, volatile long type,
volatile long proto)
{
int netns = open("/proc/self/ns/net", O_RDONLY);
if (netns == -1)
return netns;
if (setns(kInitNetNsFd, 0))
return -1;
int sock = syscall(__NR_socket, domain, type, proto);
int err = errno;
if (setns(netns, 0))
exit(1);
close(netns);
errno = err;
return sock;
}
#define BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2
typedef struct {
uint8_t b[6];
} __attribute__((packed)) bdaddr_t;
#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff
struct hci_command_hdr {
uint16_t opcode;
uint8_t plen;
} __attribute__((packed));
struct hci_event_hdr {
uint8_t evt;
uint8_t plen;
} __attribute__((packed));
#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
uint8_t status;
uint16_t handle;
bdaddr_t bdaddr;
uint8_t link_type;
uint8_t encr_mode;
} __attribute__((packed));
#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
bdaddr_t bdaddr;
uint8_t dev_class[3];
uint8_t link_type;
} __attribute__((packed));
#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
uint8_t status;
uint16_t handle;
uint8_t features[8];
} __attribute__((packed));
#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
uint8_t ncmd;
uint16_t opcode;
} __attribute__((packed));
#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a
#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
uint8_t status;
uint16_t acl_mtu;
uint8_t sco_mtu;
uint16_t acl_max_pkt;
uint16_t sco_max_pkt;
} __attribute__((packed));
#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
uint8_t status;
bdaddr_t bdaddr;
} __attribute__((packed));
#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
uint8_t subevent;
} __attribute__((packed));
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
uint8_t status;
uint16_t handle;
uint8_t role;
uint8_t bdaddr_type;
bdaddr_t bdaddr;
uint16_t interval;
uint16_t latency;
uint16_t supervision_timeout;
uint8_t clk_accurancy;
} __attribute__((packed));
struct hci_dev_req {
uint16_t dev_id;
uint32_t dev_opt;
};
struct vhci_vendor_pkt {
uint8_t type;
uint8_t opcode;
uint16_t id;
};
#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)
static int vhci_fd = -1;
static void hci_send_event_packet(int fd, uint8_t evt, void* data,
size_t data_len)
{
struct iovec iv[3];
struct hci_event_hdr hdr;
hdr.evt = evt;
hdr.plen = data_len;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = data;
iv[2].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
size_t data_len)
{
struct iovec iv[4];
struct hci_event_hdr hdr;
hdr.evt = HCI_EV_CMD_COMPLETE;
hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
struct hci_ev_cmd_complete evt_hdr;
evt_hdr.ncmd = 1;
evt_hdr.opcode = opcode;
uint8_t type = HCI_EVENT_PKT;
iv[0].iov_base = &type;
iv[0].iov_len = sizeof(type);
iv[1].iov_base = &hdr;
iv[1].iov_len = sizeof(hdr);
iv[2].iov_base = &evt_hdr;
iv[2].iov_len = sizeof(evt_hdr);
iv[3].iov_base = data;
iv[3].iov_len = data_len;
if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
exit(1);
}
static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
hdr->plen != buf_size - sizeof(struct hci_command_hdr)) {
exit(1);
}
switch (hdr->opcode) {
case HCI_OP_WRITE_SCAN_ENABLE: {
uint8_t status = 0;
hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
return true;
}
case HCI_OP_READ_BD_ADDR: {
struct hci_rp_read_bd_addr rp = {0};
rp.status = 0;
memset(&rp.bdaddr, 0xaa, 6);
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
case HCI_OP_READ_BUFFER_SIZE: {
struct hci_rp_read_buffer_size rp = {0};
rp.status = 0;
rp.acl_mtu = 1021;
rp.sco_mtu = 96;
rp.acl_max_pkt = 4;
rp.sco_max_pkt = 6;
hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
return false;
}
}
char dummy[0xf9] = {0};
hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
return false;
}
static void* event_thread(void* arg)
{
while (1) {
char buf[1024] = {0};
ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
if (buf_size < 0)
exit(1);
if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
break;
}
}
return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201
static void initialize_vhci()
{
int hci_sock = syz_init_net_socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
if (hci_sock < 0)
exit(1);
vhci_fd = open("/dev/vhci", O_RDWR);
if (vhci_fd == -1)
exit(1);
const int kVhciFd = 241;
if (dup2(vhci_fd, kVhciFd) < 0)
exit(1);
close(vhci_fd);
vhci_fd = kVhciFd;
struct vhci_vendor_pkt vendor_pkt;
if (read(vhci_fd, &vendor_pkt, sizeof(vendor_pkt)) != sizeof(vendor_pkt))
exit(1);
if (vendor_pkt.type != HCI_VENDOR_PKT)
exit(1);
pthread_t th;
if (pthread_create(&th, NULL, event_thread, NULL))
exit(1);
if (ioctl(hci_sock, HCIDEVUP, vendor_pkt.id) && errno != EALREADY)
exit(1);
struct hci_dev_req dr = {0};
dr.dev_id = vendor_pkt.id;
dr.dev_opt = SCAN_PAGE;
if (ioctl(hci_sock, HCISETSCAN, &dr))
exit(1);
struct hci_ev_conn_request request;
memset(&request, 0, sizeof(request));
memset(&request.bdaddr, 0xaa, 6);
*(uint8_t*)&request.bdaddr.b[5] = 0x10;
request.link_type = ACL_LINK;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
sizeof(request));
struct hci_ev_conn_complete complete;
memset(&complete, 0, sizeof(complete));
complete.status = 0;
complete.handle = HCI_HANDLE_1;
memset(&complete.bdaddr, 0xaa, 6);
*(uint8_t*)&complete.bdaddr.b[5] = 0x10;
complete.link_type = ACL_LINK;
complete.encr_mode = 0;
hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
sizeof(complete));
struct hci_ev_remote_features features;
memset(&features, 0, sizeof(features));
features.status = 0;
features.handle = HCI_HANDLE_1;
hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
sizeof(features));
struct {
struct hci_ev_le_meta le_meta;
struct hci_ev_le_conn_complete le_conn;
} le_conn;
memset(&le_conn, 0, sizeof(le_conn));
le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
*(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
le_conn.le_conn.role = 1;
le_conn.le_conn.handle = HCI_HANDLE_2;
hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
pthread_join(th, NULL);
close(hci_sock);
}
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct ipt_get_entries entries;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct ipt_get_entries entries;
struct ipt_getinfo info;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_arptables(void)
{
struct arpt_get_entries entries;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct arpt_get_entries entries;
struct arpt_getinfo info;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
} else {
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)
struct ebt_replace {
char name[EBT_TABLE_MAXNAMELEN];
unsigned int valid_hooks;
unsigned int nentries;
unsigned int entries_size;
struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
unsigned int num_counters;
struct ebt_counter* counters;
char* entries;
};
struct ebt_entries {
unsigned int distinguisher;
char name[EBT_CHAIN_MAXNAMELEN];
unsigned int counter_offset;
int policy;
unsigned int nentries;
char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"},
{.name = "nat"},
{.name = "broute"},
};
static void checkpoint_ebtables(void)
{
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->replace.entries_size > sizeof(table->entrytable))
exit(1);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
exit(1);
}
close(fd);
}
static void reset_ebtables()
{
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
socklen_t optlen;
unsigned i, j, h;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
exit(1);
replace.num_counters = 0;
table->replace.entries = 0;
for (h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
exit(1);
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void setup_cgroups()
{
if (mkdir("/syzcgroup", 0777)) {
}
if (mkdir("/syzcgroup/unified", 0777)) {
}
if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
}
if (chmod("/syzcgroup/unified", 0777)) {
}
write_file("/syzcgroup/unified/cgroup.subtree_control",
"+cpu +memory +io +pids +rdma");
if (mkdir("/syzcgroup/cpu", 0777)) {
}
if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
"cpuset,cpuacct,perf_event,hugetlb")) {
}
write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
if (chmod("/syzcgroup/cpu", 0777)) {
}
if (mkdir("/syzcgroup/net", 0777)) {
}
if (mount("none", "/syzcgroup/net", "cgroup", 0,
"net_cls,net_prio,devices,freezer")) {
}
if (chmod("/syzcgroup/net", 0777)) {
}
}
static void setup_cgroups_loop()
{
int pid = getpid();
char file[128];
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
write_file(file, "32");
snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
write_file(file, "%d", 298 << 20);
snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
write_file(file, "%d", 299 << 20);
snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
write_file(file, "%d", 300 << 20);
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
}
static void setup_cgroups_test()
{
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.cpu")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.net")) {
}
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
setup_cgroups();
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
int netns = open("/proc/self/ns/net", O_RDONLY);
if (netns == -1)
exit(1);
if (dup2(netns, kInitNetNsFd) < 0)
exit(1);
close(netns);
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
static int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static void drop_caps(void)
{
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
exit(1);
const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
cap_data[0].effective &= ~drop;
cap_data[0].permitted &= ~drop;
cap_data[0].inheritable &= ~drop;
if (syscall(SYS_capset, &cap_hdr, &cap_data))
exit(1);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
sandbox_common();
drop_caps();
initialize_netdevices_init();
if (unshare(CLONE_NEWNET)) {
}
initialize_tun();
initialize_netdevices();
initialize_vhci();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
int i;
for (i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_loop()
{
setup_cgroups_loop();
checkpoint_net_namespace();
}
static void reset_loop()
{
reset_net_namespace();
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setup_cgroups_test();
write_file("/proc/self/oom_score_adj", "1000");
flush_tun();
}
static void close_fds()
{
int fd;
for (fd = 3; fd < MAX_FDS; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 9; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
close_fds();
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
setup_loop();
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res = 0;
switch (call) {
case 0:
syscall(__NR_socket, 0x1ful, 1ul, 3);
break;
case 1:
res = -1;
NONFAILING(res = syz_init_net_socket(0x1f, 3, 1));
if (res != -1)
r[0] = res;
break;
case 2:
syscall(__NR_write, r[0], 0ul, 0ul);
break;
case 3:
syscall(__NR_ioctl, r[0], 0xc0096616, 0ul);
break;
case 4:
res = -1;
NONFAILING(res = syz_init_net_socket(0x1f, 3, 1));
if (res != -1)
r[1] = res;
break;
case 5:
NONFAILING(*(uint16_t*)0x20000000 = 0);
NONFAILING(*(uint16_t*)0x20000002 = 0);
NONFAILING(memcpy((void*)0x20000004, "\x34\x0a\x9a", 3));
NONFAILING(*(uint8_t*)0x20000007 = 0);
NONFAILING(*(uint8_t*)0x20000008 = 0);
syscall(__NR_ioctl, r[1], 0x800448f0, 0x20000000ul);
break;
case 6:
syscall(__NR_ioctl, r[1], 0xf505, 0ul);
break;
case 7:
res = -1;
NONFAILING(res = syz_init_net_socket(0x1f, 3, 1));
if (res != -1)
r[2] = res;
break;
case 8:
syscall(__NR_ioctl, r[2], 0x400448cb, 0ul);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
setup_binfmt_misc();
install_segv_handler();
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
do_sandbox_none();
}
}
sleep(1000000);
return 0;
}
|
the_stack_data/1035915.c
|
/*
* --INFO--
* Address: 8021FE60
* Size: 000094
*/
void InitMetroTRK(void)
{
/*
.loc_0x0:
subi r1, r1, 0x4
stw r3, 0x0(r1)
lis r3, 0x803D
ori r3, r3, 0x5E40
stmw r0, 0x0(r3)
lwz r4, 0x0(r1)
addi r1, r1, 0x4
stw r1, 0x4(r3)
stw r4, 0xC(r3)
mflr r4
stw r4, 0x84(r3)
stw r4, 0x80(r3)
mfcr r4
stw r4, 0x88(r3)
mfmsr r4
ori r3, r4, 0x8000
xori r3, r3, 0x8000
mtmsr r3
mtsrr1 r4
bl 0x1F4
lis r3, 0x803D
ori r3, r3, 0x5E40
lmw r0, 0x0(r3)
li r0, 0
mtspr 1010, r0
mtdabr r0
lis r1, 0x803F
ori r1, r1, 0xE840
mr r3, r5
bl 0x64C
cmpwi r3, 0x1
bne- .loc_0x90
lwz r4, 0x84(r3)
mtlr r4
lmw r0, 0x0(r3)
blr
.loc_0x90:
b 0x528
*/
}
/*
* --INFO--
* Address: 8021FEF4
* Size: 000020
*/
void EnableMetroTRKInterrupts(void)
{
/*
.loc_0x0:
mflr r0
stw r0, 0x4(r1)
stwu r1, -0x8(r1)
bl 0x74C
addi r1, r1, 0x8
lwz r0, 0x4(r1)
mtlr r0
blr
*/
}
/*
* --INFO--
* Address: 8021FF14
* Size: 000048
*/
void TRKTargetTranslate(void)
{
/*
.loc_0x0:
lis r4, 0x803D
addi r4, r4, 0x6270
lwz r4, 0x0(r4)
cmplw r3, r4
blt- .loc_0x3C
addi r0, r4, 0x4000
cmplw r3, r0
bge- .loc_0x3C
lis r4, 0x803D
addi r4, r4, 0x5E40
lwz r0, 0x238(r4)
rlwinm r0,r0,0,30,31
cmplwi r0, 0
beq- .loc_0x3C
b .loc_0x44
.loc_0x3C:
rlwinm r0,r3,0,2,31
oris r3, r0, 0x8000
.loc_0x44:
blr
*/
}
/*
* --INFO--
* Address: 8021FF5C
* Size: 000060
*/
void TRK_copy_vector(void)
{
/*
.loc_0x0:
mflr r0
stw r0, 0x4(r1)
stwu r1, -0x10(r1)
stw r31, 0xC(r1)
stw r30, 0x8(r1)
mr r30, r3
mr r3, r30
bl -0x64
lis r4, 0x8000
addi r0, r4, 0x34B8
mr r31, r3
add r4, r0, r30
mr r3, r31
li r5, 0x100
bl -0x21CB30
mr r3, r31
li r4, 0x100
bl -0x1818
lwz r31, 0xC(r1)
lwz r30, 0x8(r1)
addi r1, r1, 0x10
lwz r0, 0x4(r1)
mtlr r0
blr
*/
}
/*
* --INFO--
* Address: 8021FFBC
* Size: 000094
*/
void __TRK_copy_vectors(void)
{
/*
.loc_0x0:
mflr r0
stw r0, 0x4(r1)
stwu r1, -0x18(r1)
stw r31, 0x14(r1)
stw r30, 0x10(r1)
stw r29, 0xC(r1)
stw r28, 0x8(r1)
li r3, 0x44
bl -0xC8
li r29, 0
lwz r28, 0x0(r3)
lis r3, 0x802F
rlwinm r4,r29,2,0,29
subi r0, r3, 0x6A50
add r30, r0, r4
b .loc_0x40
.loc_0x40:
li r31, 0x1
b .loc_0x48
.loc_0x48:
b .loc_0x4C
.loc_0x4C:
slw r0, r31, r29
and r0, r28, r0
cmplwi r0, 0
beq- .loc_0x64
lwz r3, 0x0(r30)
bl -0xC0
.loc_0x64:
addi r30, r30, 0x4
addi r29, r29, 0x1
cmpwi r29, 0xE
ble+ .loc_0x4C
lwz r31, 0x14(r1)
lwz r30, 0x10(r1)
lwz r29, 0xC(r1)
lwz r28, 0x8(r1)
addi r1, r1, 0x18
lwz r0, 0x4(r1)
mtlr r0
blr
*/
}
/*
* --INFO--
* Address: 80220050
* Size: 000050
*/
void TRKInitializeTarget(void)
{
/*
.loc_0x0:
mflr r0
stw r0, 0x4(r1)
stwu r1, -0x10(r1)
stw r31, 0xC(r1)
lis r3, 0x803D
addi r31, r3, 0x5D98
li r0, 0x1
stw r0, 0x98(r31)
bl -0x17EC
stw r3, 0x8C(r31)
lis r3, 0x803D
addi r3, r3, 0x6270
lis r0, 0xE000
stw r0, 0x0(r3)
li r3, 0
lwz r31, 0xC(r1)
addi r1, r1, 0x10
lwz r0, 0x4(r1)
mtlr r0
blr
*/
}
|
the_stack_data/143939.c
|
#include <stdio.h>
#include <stdlib.h>
int main()
{
FILE *arquivo;
int n;
int x = 0;
char t [51];
scanf ("%s", t);
arquivo = fopen (t, "r");
while (! feof ( arquivo) ){
if ( fscanf ( arquivo, "%i", &n) == 1)
{x=x+1;}
}
printf ("%i\n", x);
fclose(arquivo);
return 0; }
|
the_stack_data/37637593.c
|
/* $OpenBSD: wcscat.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */
/* $NetBSD: wcscat.c,v 1.2 2001/01/03 14:29:36 lukem Exp $ */
/*-
* Copyright (c)1999 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* citrus Id: wcscat.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp
*/
#include <wchar.h>
#if defined(APIWARN)
__warn_references(wcscat,
"warning: wcscat() is almost always misused, please use wcslcat()");
#endif
wchar_t *
wcscat(wchar_t *s1, const wchar_t *s2)
{
wchar_t *p;
wchar_t *q;
const wchar_t *r;
p = s1;
while (*p)
p++;
q = p;
r = s2;
while (*r)
*q++ = *r++;
*q = '\0';
return s1;
}
DEF_STRONG(wcscat);
|
the_stack_data/92329319.c
|
/*
* Copyright (C) 2016 <author>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* @file
* @brief <Description>.
*/
|
the_stack_data/22542.c
|
#include <stdio.h>
int main(void)
{
printf("Please enter floating point number: \n");
float f_num;
scanf("%f", &f_num);
printf("decimal point notation: %f\n", f_num);
printf("exponental notation: %e\n", f_num);
printf("p notation: %a\n", f_num);
return 0;
}
|
the_stack_data/115765936.c
|
// RUN: %llvmgcc -S %s -o - | llvm-as -o /dev/null
typedef struct
{
unsigned char type; /* Indicates, NORMAL, SUBNORMAL, etc. */
} InternalFPF;
static void SetInternalFPFZero(InternalFPF *dest) {
dest->type=0;
}
void denormalize(InternalFPF *ptr) {
SetInternalFPFZero(ptr);
}
|
the_stack_data/51700451.c
|
#include <stdio.h>
#include <string.h>
int main()
{
char s[100];
scanf ("%s", s);
printf ("%s", s);
return 0;
}
|
the_stack_data/37638585.c
|
// RUN: %clang_cc1 -Wno-array-bounds -analyze -analyzer-checker=core,unix,alpha.security.ArrayBound -analyzer-store=region -verify -analyzer-config unix:Optimistic=true %s
typedef __typeof(sizeof(int)) size_t;
void *malloc(size_t);
void *calloc(size_t, size_t);
char f1() {
char* s = "abcd";
char c = s[4]; // no-warning
return s[5] + c; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
void f2() {
int *p = malloc(12);
p[3] = 4; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
struct three_words {
int c[3];
};
struct seven_words {
int c[7];
};
void f3() {
struct three_words a, *p;
p = &a;
p[0] = a; // no-warning
p[1] = a; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
void f4() {
struct seven_words c;
struct three_words a, *p = (struct three_words *)&c;
p[0] = a; // no-warning
p[1] = a; // no-warning
p[2] = a; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
}
void f5() {
char *p = calloc(2,2);
p[3] = '.'; // no-warning
p[4] = '!'; // expected-warning{{out-of-bound}}
}
void f6() {
char a[2];
int *b = (int*)a;
b[1] = 3; // expected-warning{{out-of-bound}}
}
void f7() {
struct three_words a;
a.c[3] = 1; // expected-warning{{out-of-bound}}
}
void vla(int a) {
if (a == 5) {
int x[a];
x[4] = 4; // no-warning
x[5] = 5; // expected-warning{{out-of-bound}}
}
}
void alloca_region(int a) {
if (a == 5) {
char *x = __builtin_alloca(a);
x[4] = 4; // no-warning
x[5] = 5; // expected-warning{{out-of-bound}}
}
}
int symbolic_index(int a) {
int x[2] = {1, 2};
if (a == 2) {
return x[a]; // expected-warning{{out-of-bound}}
}
return 0;
}
int symbolic_index2(int a) {
int x[2] = {1, 2};
if (a < 0) {
return x[a]; // expected-warning{{out-of-bound}}
}
return 0;
}
int overflow_binary_search(double in) {
int eee = 16;
if (in < 1e-8 || in > 1e23) {
return 0;
} else {
static const double ins[] = {1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, 1e-1,
1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7,
1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15,
1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22};
if (in < ins[eee]) {
eee -= 8;
} else {
eee += 8;
}
if (in < ins[eee]) {
eee -= 4;
} else {
eee += 4;
}
if (in < ins[eee]) {
eee -= 2;
} else {
eee += 2;
}
if (in < ins[eee]) {
eee -= 1;
} else {
eee += 1;
}
if (in < ins[eee]) { // expected-warning {{Access out-of-bound array element (buffer overflow)}}
eee -= 1;
}
}
return eee;
}
|
the_stack_data/64199510.c
|
/* Zolotarev number evaluation for finite unions of closed intervals */
/* compile into an executable as-is to use the command-line interface
OR
remove the main & compile into a library to use the function interface */
/* command-line interface for calculating Zolotarev numbers:
USAGE: <executable> <order of the Zolotarev number> <input file for 1st set> <input file for 2nd set>
input file format for sets:
<number of closed intervals>
<left endpoint of 1st interval> <right endpoint of 1st interval>
<left endpoint of 2nd interval> <right endpoint of 2nd interval>
...
<left endpoint of last interval> <right endpoint of last interval>
NOTE: all endpoints should be in increasing ordered */
/* prototype of function interface for calculating Zolotarev numbers */
double zolotarev_number(int n, /* order of the Zolotarev number */
int num1, /* number of intervals in the 1st set */
int num2, /* number of intervals in the 2nd set */
double *left1, /* left endpoints of the 1st set in increasing order [num1] */
double *left2, /* left endpoints of the 2nd set in increasing order [num2] */
double *right1, /* right endpoints of the 1st set in increasing order [num1] */
double *right2, /* right endpoints of the 2nd set in increasing order [num2] */
double *root, /* on output, roots of the optimal rational function [n] */
double *pole, /* on output, poles of the optimal rational function [n] */
double *scale, /* on output, prefactor of the optimal rational function [1] */
double *conum1, /* on output, condition number on the 1st set [1] */
double *conum2, /* on output, condition number on the 2nd set [1] */
int *info); /* on output, status of the calculation [1] */
/* RETURN: value of the Zolotarev number */
/* possible status values:
info == -N: trivial Zolotarev solution with order reduced by N
info == 0: successful calculation of Zolotarev number with full order
info == 1: misordering detected in 1st set
info == 2: misordering detected in 2nd set
info == 3: misordering detected between sets
info == 4: numerical pinning of a root or pole has prevented convergence
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
/* common but nonstandard POSIX definition of pi */
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* maximum number of iterations of the ascending Landen transformation needed at double precision */
#define MAX_ITER_DN 15
/* maximum number of iterations for root finding */
#define MAX_ITER_ROOT 50
/* tolerance for secant method to identify the step before expected convergence */
#define SECANT_TOL 1e-11
/* tolerance for Newton's method to identify the step before expected convergence */
#define NEWTON_TOL 1e-9
/* tolerance for the golden section search */
#define GOLDEN_TOL 1e-7
/* log-tolerance for linear search step underflow */
#define STEP_TOL 34.0
/* maximum number of iterations in the numerical solver */
#define MAX_ITER 1000
/* locate a point in a finite union of closed intervals using a binary search */
int locate(double x, /* point to locate */
int num, /* number of intervals in the set */
double *left, /* left endpoints of the set in increasing order [num] */
double *right) /* left endpoints of the set in increasing order [num] */
/* RETURN: +i if x is in the interval [left[i], right[i]],
-i if x is in the gap between right[i-1] & left[i] */
{
int lower = 0, upper = num-1;
if(x <= right[0]) { return 0; }
if(x >= left[num-1]) { return num-1; }
while (lower+1 != upper)
{
int mid = (lower+upper)/2;
if(x < left[mid]) { upper = mid; }
else { lower = mid; }
}
if(x <= right[lower]) { return lower; }
return -upper;
}
/* construct a Mobius transformation, z |-> (map[0]*z + map[1])/(map[2]*z + map[3]),
to the standard domain of [lambda, 1] for the 1st set & [-1, -lambda] for the 2nd set */
double mobius_setup(int num1, /* number of intervals in the 1st set */
int num2, /* number of intervals in the 2nd set */
double *map, /* coefficients of the Mobius transformation [4] */
double *left1, /* left endpoints of the 1st set in increasing order [num1] */
double *left2, /* left endpoints of the 2nd set in increasing order [num2] */
double *right1, /* right endpoints of the 1st set in increasing order [num1] */
double *right2, /* right endpoints of the 2nd set in increasing order [num2] */
int *info) /* on output, status of the calculation [1] */
/* RETURN: lambda value for the mapped domain */
{
int i;
double lambda, xmin, xmax, ymin, ymax;
/* check ordering of sets */
for(i=0 ; i<num1 ; i++)
{ if(left1[i] > right1[i]) { *info = 1; return 0.0; } }
for(i=1 ; i<num1 ; i++)
{ if(right1[i-1] > left1[i] || left1[i-1] == left1[i] || right1[i-1] == right1[i]) { *info = 1; return 0.0; } }
for(i=0 ; i<num2 ; i++)
{ if(left2[i] > right2[i]) { *info = 2; return 0.0; } }
for(i=1 ; i<num2 ; i++)
{ if(right2[i-1] > left2[i] || left2[i-1] == left2[i] || right2[i-1] == right2[i]) { *info = 2; return 0.0; } }
/* find mapped endpoints of the sets */
xmin = left1[0];
xmax = right1[num1-1];
ymin = left2[0];
ymax = right2[num2-1];
if(xmin < ymin && xmax > ymax) /* 1st set encompasses the 2nd set */
{
i = locate(ymin, num1, left1, right1);
if(i >= 0) { *info = 3; return 0.0; }
xmin = left1[-i];
xmax = right1[-i-1];
}
else if(xmin > ymin && xmax < ymax) /* 2nd set encompasses the 1st set */
{
i = locate(xmin, num2, left2, right2);
if(i >= 0) { *info = 3; return 0.0; }
ymin = left2[-i];
ymax = right2[-i-1];
}
else if( (xmin < ymin && xmax > ymin) || (xmin < ymax && xmax > ymax) ) /* input sets cannot be mapped to ordered sets */
{ *info = 3; return 0.0; }
/* calculate lambda & the transformation coefficients */
lambda = sqrt(fabs((xmax-xmin)*(ymax-ymin))) - sqrt(fabs((xmax-ymax)*(xmin-ymin)));
lambda = lambda*lambda/fabs((xmin-ymax)*(xmax-ymin));
map[0] = -(1.0-lambda)*xmin*xmax + (1.0+lambda)*ymax*xmax - 2.0*lambda*ymax*xmin;
map[1] = -(1.0-lambda)*lambda*xmin*xmax - (1.0+lambda)*lambda*ymax*xmax + 2.0*lambda*ymax*xmin;
map[2] = (1.0-lambda)*ymax - (1.0+lambda)*xmin + 2.0*lambda*xmax;
map[3] = (1.0-lambda)*lambda*ymax + (1.0+lambda)*lambda*xmin - 2.0*lambda*xmax;
*info = 0;
return lambda;
}
/* apply a Mobius transformation or its inverse */
double mobius(double z, /* point that is being transformed */
double *map) /* 4 points defining the transformation [4] */
/* RETURN: value of transformed point */
{ return (map[0]*z + map[1])/(map[2]*z + map[3]); }
double mobius_inv(double z, /* point that is being transformed */
double *map) /* 4 points defining the transformation [4] */
/* RETURN: value of transformed point */
{
if(fabs(z) == INFINITY)
{ return -map[3]/map[2]; }
return (map[3]*z - map[1])/(-map[2]*z + map[0]);
}
/* elliptic integral of the 1st kind via the Arithmetic Geometric Mean (AGM) algorithm */
double elliptic_K(double k_prime) /* convenient transformation of the function argument, k_prime = sqrt(1 - k^2) */
/* RETURN: value of K(k') = K'(k), where k' = sqrt(1 - k^2) */
{
double a = 1.0, b = k_prime, c = 1.0;
if(k_prime < 0.0 || k_prime > 1.0)
{ printf("ERROR: argument of K must be in [0,1]\n"); exit(1); }
while( a != a-c ) /* stagnation termination */
{
c = 0.5*(a-b);
b = sqrt(a*b);
a -= c;
}
return 0.5*M_PI/a;
}
/* delta amplitude, one of the Jacobi elliptic functions, via ascending Landen transformations
NOTE: the descending Landen transformation can be faster for k_prime ~= 1, but it is numerically unstable in its native form
NOTE: this is most accurate for small u; large u values can be mapped to small u values based on the period of dn, 4*K(k) */
double elliptic_dn(double u, /* 1st argument of dn(u,k) */
double k_prime) /* convenient transformation of 2nd argument of dn(u,k), k_prime = sqrt(1 - k^2) */
/* RETURN: value of dn(u,k) */
{
int i = 0, j;
double dn, k_map[MAX_ITER_DN];
if(k_prime < 0.0 || k_prime > 1.0)
{ printf("ERROR: 2nd argument of dn must be in [0,1]\n"); exit(1); }
if(k_prime == 1.0)
{ return 1.0; }
k_map[0] = k_prime;
while(k_map[i] != 0.0)
{
double k_pow2 = k_map[i]*k_map[i];
if(i == MAX_ITER_DN-1)
{ printf("ERROR: maximum iteration exceeded in elliptic_dn\n"); exit(1); }
k_map[++i] = k_pow2/(2.0 - k_pow2 + 2.0*sqrt(1.0 - k_pow2));
u /= 1.0 + k_map[i];
}
dn = 1.0/cosh(u);
for(j=i-1 ; j>0 ; j--)
{ dn = (dn+k_map[j]/dn)/(1.0+k_map[j]); }
return dn;
}
/* check for trivial & analytical solutions */
double zolotarev_check(int n, /* order of the Zolotarev number */
int num1, /* number of intervals in the 1st set */
int num2, /* number of intervals in the 2nd set */
double lambda, /* lambda value of the Mobius transformation */
double *map, /* mapping coefficients of the Mobius transformation [4] */
double *left1, /* left endpoints of the 1st set in increasing order [num1] */
double *left2, /* left endpoints of the 2nd set in increasing order [num2] */
double *right1, /* right endpoints of the 1st set in increasing order [num1] */
double *right2, /* right endpoints of the 2nd set in increasing order [num2] */
double *root, /* on output, roots of the optimal rational function [n] */
double *pole, /* on output, poles of the optimal rational function [n] */
double *scale, /* on output, prefactor of the optimal rational function [1] */
int *info) /* on output, status of the calculation [1] */
/* RETURN: Zolotarev number of a valid solution, otherwise -1.0 */
{
int i, left_degen = 0, right_degen = 0, analytical = 1;
double max_error, Kp = elliptic_K(lambda);
*info = 0;
*scale = 1.0; /* value for analytical solutions, irrelevant to trivial solutions */
/* check for trivial solutions */
if(num1 <= n)
{
left_degen = 1;
for(i=0 ; i<num1 ; i++)
{ if(left1[i] != right1[i]) { left_degen = 0; } }
}
if(num2 <= n)
{
right_degen = 1;
for(i=0 ; i<num2 ; i++)
{ if(left2[i] != right2[i]) { right_degen = 0; } }
}
if(left_degen == 1 || right_degen == 1)
{ max_error = 0.0; }
if(left_degen == 1 && right_degen == 1 && num1 == num2)
{
*info = num1 - n;
for(i=0 ; i<num1 ; i++)
{
root[i] = mobius_inv(left1[i],map);
pole[i] = mobius_inv(left2[i],map);
}
}
else if(left_degen == 1 && (right_degen == 0 || num1 < num2))
{
*info = num1 - n;
for(i=0 ; i<num1 ; i++)
{
root[i] = mobius_inv(left1[i],map);
pole[i] = -elliptic_dn(Kp*(1.0 - ((double)i+0.5)/(double)num1),lambda);
}
}
else if(right_degen == 1 && (left_degen == 0 || num2 < num1))
{
*info = num2 - n;
for(i=0 ; i<num2 ; i++)
{
root[i] = elliptic_dn(Kp*(1.0 - ((double)i+0.5)/(double)num2),lambda);
pole[i] = mobius_inv(left2[i],map);
}
}
/* check for analytical solutions */
if(left_degen == 0 && right_degen == 0)
{
for(i=1 ; i<n ; i++)
{
double ext = elliptic_dn(Kp*(1.0 - (double)i/(double)n),lambda);
if(locate(mobius( ext,map), num1, left1, right1) < 0 ||
locate(mobius(-ext,map), num2, left2, right2) < 0)
{ analytical = 0; }
}
if(analytical)
{
max_error = 1.0;
for(i=0 ; i<n ; i++)
{
root[i] = elliptic_dn(Kp*(1.0 - ((double)i+0.5)/(double)n),lambda);
pole[i] = -root[i];
max_error *= ((1.0 - root[i])*(1.0 - root[i]))/((1.0 + root[i])*(1.0 + root[i]));
}
}
}
/* output when trivial & analytical solutions aren't valid */
if(left_degen == 0 && right_degen == 0 && analytical == 0)
{ max_error = -1.0; }
return max_error;
}
/* invert the Zolotarev mapping function dn(Kp*(1.0 - x), lambda) using the secant method */
double dn_inv(double val, /* value of the map */
double Kp, /* scale factor for 1st argument of dn */
double lambda) /* 2nd argument of dn */
/* RETURN: x term in 1st argument of the mapping function that produces val */
{
int iter = 0, not_converged = 1, almost_converged = 0;
double arg1, val1, arg2, val2;
/* snap back out of bounds solutions */
if(val <= lambda) { return 0.0; }
if(val >= 1.0) { return 1.0; }
/* initial guess for the inverse (small lambda limit) */
arg1 = 1.0 - log(val)/log(lambda);
val1 = elliptic_dn(Kp*(1.0 - arg1), lambda);
if(arg1 < 0.5) { arg2 = arg1 + 1e-7; }
else { arg2 = arg1 - 1e-7; }
val2 = elliptic_dn(Kp*(1.0 - arg2), lambda);
while(not_converged)
{
double arg3 = (arg2*(val - val1) + arg1*(val2 - val))/(val2 - val1);
double val3 = elliptic_dn(Kp*(1.0 - arg3), lambda);
val1 = val2;
arg1 = arg2;
val2 = val3;
arg2 = arg3;
if(val2 == val)
{ return arg2; }
if(almost_converged)
{ not_converged = 0; }
if(fabs(val2-val) < SECANT_TOL*fabs(val))
{ almost_converged = 1; }
if(++iter == MAX_ITER_ROOT)
{ printf("ERROR: maximum iteration exceeded in dn_inv\n"); exit(1); }
}
return arg2;
}
/* inital guess for a Zolotarev number minimizer */
void zolotarev_guess(int n, /* order of the Zolotarev number */
int num, /* number of intervals in the set */
double lambda, /* lambda value of the Mobius transformation, negative sign denotes [-lambda,-1] domain */
double *map, /* mapping coefficients of the Mobius transformation [4] */
double *left, /* left endpoints of the set in increasing order [num] */
double *right, /* right endpoints of the set in increasing order [num] */
double *root) /* on output, trial roots of the rational function [n] */
{
int i, unconverged = 1, lambda_flip = 0;
double Kp = elliptic_K(fabs(lambda)), *ext = (double*)malloc(sizeof(double)*(n+1));
/* temporarily flip Mobius transformation for [-lambda,-1] domain */
if(lambda < 0.0)
{ lambda = -lambda; map[0] = -map[0]; map[2] = -map[2]; lambda_flip = 1; }
/* assign valid initial values to ext by sequential insertion to most distant point */
ext[0] = 0.0;
ext[1] = 1.0;
for(i=1 ; i<n ; i++)
{
/* find most distant point */
int j, max_index = 0;
double max_ext = 0.0, max_dist = 0.0;
for(j=0 ; j<i ; j++)
{
/* find most distant point between ext[j] & ext[j+1] */
double new_ext = 0.5*(ext[j+1]+ext[j]), new_dist = 0.5*(ext[j+1]-ext[j]);
int loc = locate(mobius(elliptic_dn(Kp*(1.0-new_ext),lambda),map), num, left, right);
if(loc < 0)
{
double new_ext1 = dn_inv(mobius_inv(right[-loc-1],map), Kp, lambda);
double new_ext2 = dn_inv(mobius_inv(left[-loc],map), Kp, lambda);
double new_dist1 = ext[j+1]-new_ext1, new_dist2 = ext[j+1]-new_ext2;
if(new_ext1-ext[j] < new_dist1) { new_dist1 = new_ext1-ext[j]; }
if(new_ext2-ext[j] < new_dist2) { new_dist2 = new_ext2-ext[j]; }
if(new_dist1 > new_dist2)
{ new_dist = new_dist1; new_ext = new_ext1; }
else
{ new_dist = new_dist2; new_ext = new_ext2; }
}
if(new_dist > max_dist)
{
max_index = j+1;
max_ext = new_ext;
max_dist = new_dist;
}
}
/* insert most distant point */
for(j=i+1 ; j>max_index ; j--)
{ ext[j] = ext[j-1]; }
ext[max_index] = max_ext;
}
/* assign equidistant values to roots */
for(i=0 ; i<n ; i++)
{ root[i] = elliptic_dn(Kp*(1.0 - 0.5*(ext[i]+ext[i+1])), lambda); }
/* reverse Mobius transformation & trial roots for [-lambda,-1] domain */
if(lambda_flip)
{
map[0] = -map[0]; map[2] = -map[2];
for(i=0 ; i<n ; i++) { root[i] = -root[i]; }
}
free(ext);
}
/* rational function in the objective function */
double rational(int n, /* number of roots/poles of the rational function */
double z, /* point at which the rational function is evaluated */
double *root, /* roots of the rational function [n] */
double *pole) /* poles of the rational function [n] */
/* RETURN: prod_i (z - root[i])/(z - pole[i]) */
{
int i;
double ans = 1.0;
for(i=0 ; i<n ; i++)
{ ans *= (z-root[i])/(z-pole[i]); }
return ans;
}
/* 1st & 2nd logarithmic derivatives of the rational function in the objective function */
void dlog_rational(int n, /* number of roots/poles of the rational function */
double z, /* point at which the rational function is evaluated */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *deriv) /* 1st & 2nd logarithmic derivatives on output [2] */
{
int i;
deriv[0] = deriv[1] = 0.0;
for(i=0 ; i<n ; i++)
{
double inv_root = 1.0/(z - root[i]), inv_pole = 1.0/(z - pole[i]);
deriv[0] += inv_root - inv_pole;
deriv[1] -= inv_root*inv_root - inv_pole*inv_pole;
}
}
/* find a local extremum using bisection & Newton's method on a mapped domain */
double local_extremum(int n, /* number of roots/poles of the rational function */
double left, /* lower bound on the search interval */
double right, /* upper bound on the search interval */
double *root, /* roots of the rational function [n] */
double *pole) /* poles of the rational function [n] */
/* RETURN: location of the local extremum */
{
int iter = 0, not_converged = 1, almost_converged = 0;
double deriv[2], guess = 0.5*(left+right), dguess = left-right;
while(not_converged)
{
/* Newton update w/ bisection failsafe */
if(guess + dguess <= left || guess + dguess >= right)
{ guess = 0.5*(left + right); }
else
{ guess += dguess; }
/* update function value */
dlog_rational(n, guess, root, pole, deriv);
dguess = deriv[0]/fabs(deriv[1]);
if(dguess > 0.0) { left = guess; }
else { right = guess; }
/* convergence criteria */
if(almost_converged)
{ not_converged = 0; }
if(fabs(dguess) < NEWTON_TOL*fabs(guess))
{ almost_converged = 1; }
if(++iter == MAX_ITER_ROOT)
{ printf("ERROR: maximum iteration exceeded in local_extrema\n"); exit(1); }
}
return guess;
}
/* find all extrema of a rational function between its roots & in the approximation domain */
void all_extrema(int n, /* order of the Zolotarev number */
int num, /* number of intervals in the set */
double lambda, /* lambda value of the Mobius transformation, negative sign denotes [-lambda,-1] domain */
double *map, /* mapping coefficients of the Mobius transformation [4] */
double *left, /* left endpoints of the set in increasing order [num] */
double *right, /* right endpoints of the set in increasing order [num] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *ext, /* on output, local extrema of the rational function [n+1] */
double *res) /* on output, absolute log at local extrema [n+1] */
{
int i, loc, lambda_flip = 0;
/* temporarily flip Mobius transformation, roots, & poles for [-lambda,-1] domain */
if(lambda < 0.0)
{
lambda_flip = 1; lambda = -lambda;
map[0] = -map[0]; map[2] = -map[2];
for(i=0 ; i<n ; i++)
{ root[i] = -root[i]; pole[i] = -pole[i]; }
}
ext[0] = lambda; res[0] = log(fabs(rational(n, lambda, root, pole)));
ext[n] = 1.0; res[n] = log(fabs(rational(n, 1.0, root, pole)));
for(i=1 ; i<n ; i++)
{
/* unconstrained local extremum */
ext[i] = local_extremum(n, root[i-1], root[i], root, pole);
/* apply set constraints to extremum */
loc = locate(mobius(ext[i],map), num, left, right);
if(loc < 0)
{
double ext1 = mobius_inv(right[-loc-1],map), ext2 = mobius_inv(left[-loc],map);
double val1 = -INFINITY, val2 = -INFINITY;
if(ext1 >= root[i-1] && ext1 <= root[i])
{ val1 = log(fabs(rational(n, ext1, root, pole))); }
if(ext2 >= root[i-1] && ext2 <= root[i])
{ val2 = log(fabs(rational(n, ext2, root, pole))); }
if(val1 >= val2)
{ ext[i] = ext1; res[i] = val1; }
else
{ ext[i] = ext2; res[i] = val2; }
}
else
{ res[i] = log(fabs(rational(n,ext[i],root,pole))); }
}
/* revert the flipped Mobius transformation, roots, & poles for [-lambda,-1] domain */
if(lambda_flip)
{
map[0] = -map[0]; map[2] = -map[2];
for(i=0 ; i<n ; i++)
{ root[i] = -root[i]; pole[i] = -pole[i]; }
for(i=0 ; i<n+1 ; i++)
{ ext[i] = -ext[i]; }
}
}
/* weights for the linearized solution updates */
void solution_weight(int n, /* number of roots/poles of the rational function */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *ext1, /* locations of extrema that interleave roots [n+1] */
double *ext2, /* locations of extrema that interleave poles [n+1] */
double *pre1, /* 1st prefactor [n+1] */
double *pre2, /* 2nd prefactor [n+1] */
double *post1, /* 1st postfactor [n] */
double *post2) /* 2nd postfactor [n] */
{
int i, j;
/* calculate weights that appear in the Cauchy kernel summation */
for(i=0 ; i<n+1 ; i++)
{
pre1[i] = pre2[i] = 1.0;
for(j=0 ; j<n ; j++)
{
pre1[i] *= (ext1[i] - pole[j])*(ext1[i] - root[j])/((ext1[i] - ext2[j])*(ext1[i] - ext1[j+(j>=i)]));
pre2[i] *= (root[j] - ext2[i])*(pole[j] - ext2[i])/((ext1[j] - ext2[i])*(ext2[j+(j>=i)] - ext2[i]));
}
pre1[i] /= ext1[i] - ext2[n];
pre2[i] /= ext1[n] - ext2[i];
}
/* calculate the prefactor weights on the root & pole updates */
for(i=0 ; i<n ; i++)
{
post1[i] = (ext2[0] - root[i])*(ext1[0] - root[i]);
post2[i] = (pole[i] - ext1[0])*(pole[i] - ext2[0]);
for(j=0 ; j<n-1 ; j++)
{
post1[i] *= (ext2[j+1] - root[i])*(ext1[j+1] - root[i])/((pole[j] - root[i])*(root[j+(j>=i)] - root[i]));
post2[i] *= (pole[i] - ext1[j+1])*(pole[i] - ext2[j+1])/((pole[i] - root[j])*(pole[i] - pole[j+(j>=i)]));
}
post1[i] *= (ext2[n] - root[i])*(ext1[n] - root[i])/(pole[n-1] - root[i]);
post2[i] *= (pole[i] - ext1[n])*(pole[i] - ext2[n])/(pole[i] - root[n-1]);
}
}
/* calculate a solution update given the existing solution & pre/post-factors */
void solution_update(int n, /* number of roots/poles of the rational function */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *ext1, /* locations of extrema that interleave roots [n+1] */
double *ext2, /* locations of extrema that interleave poles [n+1] */
double *res1, /* absolute log of the residual error at extrema that interleave roots [n+1] */
double *res2, /* absolute log of the residual error at extrema that interleave poles [n+1] */
double *error, /* error equioscillation value [1] */
double *scale, /* rational function scale factor [1] */
double *droot, /* search direction for roots [n] */
double *dpole, /* search direction for poles [n] */
double *pre1, /* 1st prefactor [n+1] */
double *pre2, /* 2nd prefactor [n+1] */
double *post1, /* 1st postfactor [n] */
double *post2) /* 2nd postfactor [n] */
{
int i, j;
double denominator = 0.0;
/* calculate max_error updates */
*error = 0.0;
for(i=0 ; i<n+1 ; i++)
{
*error += pre1[i]*res1[i] + pre2[i]*res2[i];
denominator += pre1[i] + pre2[i];
}
*error /= denominator;
/* calculate scale update */
*scale = 0.0;
for(i=0 ; i<n+1 ; i++)
{ *scale += ext1[i]*(*error - res1[i])*pre1[i] + ext2[i]*(*error - res2[i])*pre2[i]; }
/* calculate root & pole updates */
for(i=0 ; i<n ; i++)
{
droot[i] = 0.0;
dpole[i] = 0.0;
for(j=0 ; j<n+1 ; j++)
{
droot[i] += pre1[j]*(*error - res1[j])/(root[i] - ext1[j]) + pre2[j]*(*error - res2[j])/(root[i] - ext2[j]);
dpole[i] += pre1[j]*(*error - res1[j])/(pole[i] - ext1[j]) + pre2[j]*(*error - res2[j])/(pole[i] - ext2[j]);
}
droot[i] *= post1[i];
dpole[i] *= post2[i];
}
/* switch from logarithms to values */
*scale = exp(*scale);
*error = exp(2.0*(*error));
}
/* objective function for the line search */
double step_objective(double step, /* step weight in [0,1] */
int n, /* number of roots/poles of the rational function */
double *error, /* overall maximum error of the rational function [1] */
double *scale, /* scale factor of the rational function [1] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *ext1, /* locations of extrema that interleave roots [n+1] */
double *ext2, /* locations of extrema that interleave poles [n+1] */
double *res1, /* absolute log of the residual error at extrema that interleave roots [n+1] */
double *res2, /* absolute lof of the residual error at extrema that interleave poles [n+1] */
double *droot, /* search direction for roots [n] */
double *dpole, /* search direction for poles [n] */
double *root2, /* workspace to avoid overwriting root [n] */
double *pole2) /* workspace to avoid overwriting pole [n] */
{
int i;
double min1, min2, max1, max2;
/* construct new solution */
for(i=0 ; i<n ; i++)
{
double z = log(root[i] - ext1[i]) - log(ext1[i+1] - root[i]);
double dz = droot[i]*(1.0/(root[i] - ext1[i]) + 1.0/(ext1[i+1] - root[i]));
root2[i] = (ext1[i] + exp(z + step*dz)*ext1[i+1])/(1.0 + exp(z + step*dz));
z = log(pole[i] - ext2[i+1]) - log(ext2[i] - pole[i]);
dz = dpole[i]*(1.0/(pole[i] - ext2[i+1]) + 1.0/(ext2[i] - pole[i]));
pole2[i] = (ext2[i+1] + exp(z + step*dz)*ext2[i])/(1.0 + exp(z + step*dz));
}
/* calculate new maximum error */
for(i=0 ; i<n+1 ; i++)
{
res1[i] = log(fabs(rational(n,ext1[i],root2,pole2)));
res2[i] = log(fabs(rational(n,ext2[i],pole2,root2)));
}
min1 = res1[0]; min2 = res2[0]; max1 = res1[0]; max2 = res2[0];
for(i=1 ; i<n+1 ; i++)
{
if(min1 > res1[i]) { min1 = res1[i]; }
if(min2 > res2[i]) { min2 = res2[i]; }
if(max1 < res1[i]) { max1 = res1[i]; }
if(max2 < res2[i]) { max2 = res2[i]; }
}
*error = exp(max1 + max2);
*scale = exp(0.5*(max2 - max1));
if(max1 - min1 < max2 - min2)
{ return max2 - min2; }
return max1 - min1;
}
/* perform a golden section search in the linear search direction that reduces equioscillation errors */
/* this implementation draws heavily from [https://en.wikipedia.org/wiki/Golden-section_search] */
double safe_step(int n, /* number of roots/poles of the rational function */
double *error, /* overall maximum error of the rational function [1] */
double *scale, /* scale factor of the rational function [1] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *ext1, /* locations of extrema that interleave roots [n+1] */
double *ext2, /* locations of extrema that interleave poles [n+1] */
double *res1, /* absolute log of the residual error at extrema that interleave roots [n+1] */
double *res2, /* absolute lof of the residual error at extrema that interleave poles [n+1] */
double *droot, /* search direction for roots [n] */
double *dpole, /* search direction for poles [n] */
double *root2, /* workspace to avoid overwriting root [n] */
double *pole2, /* workspace to avoid overwriting pole [n] */
int *info) /* on output, status of the calculation [1] */
/* RETURN: amount of reduction in the equioscillation error */
{
int i;
double min1, min2, max1, max2, old_min, new_min, a, b, c, d, fc, fd, gap, invphi, invphi2, max_step;
invphi = 0.5*sqrt(5.0) - 0.5;
invphi2 = 1.5 - 0.5*sqrt(5.0);
/* adjust max_step to avoid root/pole collisions (broken search direction) */
max_step = 1.0;
for(i=0 ; i<n ; i++)
{
double z = log(root[i] - ext1[i]) - log(ext1[i+1] - root[i]);
double dz = droot[i]*(1.0/(root[i] - ext1[i]) + 1.0/(ext1[i+1] - root[i]));
if(z > STEP_TOL) { *info = 4; return 0.0; }
if(z + max_step*dz > STEP_TOL)
{ max_step = (STEP_TOL-z)/dz; }
if(z < -STEP_TOL) { *info = 4; return 0.0; }
if(z + max_step*dz < -STEP_TOL)
{ max_step = (-STEP_TOL-z)/dz; }
z = log(pole[i] - ext2[i+1]) - log(ext2[i] - pole[i]);
dz = dpole[i]*(1.0/(pole[i] - ext2[i+1]) + 1.0/(ext2[i] - pole[i]));
if(z > STEP_TOL) { *info = 4; return 0.0; }
if(z + max_step*dz > STEP_TOL)
{ max_step = (STEP_TOL-z)/dz; }
if(z < -STEP_TOL) { *info = 4; return 0.0; }
if(z + max_step*dz < -STEP_TOL)
{ max_step = (-STEP_TOL-z)/dz; }
}
/* calculate initial equioscllation error */
min1 = res1[0]; min2 = res2[0]; max1 = res1[0]; max2 = res2[0];
for(i=1 ; i<n+1 ; i++)
{
if(min1 > res1[i]) { min1 = res1[i]; }
if(min2 > res2[i]) { min2 = res2[i]; }
if(max1 < res1[i]) { max1 = res1[i]; }
if(max2 < res2[i]) { max2 = res2[i]; }
}
*error = exp(max1 + max2);
*scale = exp(0.5*(max2 - max1));
old_min = max1 - min1;
if(max1 - min1 < max2 - min2)
{ old_min = max2 - min2; }
/* perform a golden section search */
a = 0.0;
b = max_step;
gap = max_step;
c = a + invphi2*gap;
d = a + invphi*gap;
fc = step_objective(c, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2);
fd = step_objective(d, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2);
do
{
gap *= invphi;
if(fc < fd)
{
b = d;
d = c;
fd = fc;
c = a + invphi2*gap;
fc = step_objective(c, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2);
}
else
{
a = c;
c = d;
fc = fd;
d = a + invphi*gap;
fd = step_objective(d, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2);
}
} while(gap > GOLDEN_TOL*max_step);
/* update roots & poles for the new solution that are consistent w/ scale & error */
if(fc < fd)
{ new_min = step_objective(d, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2); }
else
{ new_min = step_objective(b, n, error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2); }
for(i=0 ; i<n ; i++)
{
root[i] = root2[i];
pole[i] = pole2[i];
}
*info = 0;
return old_min - new_min;
}
/* main solver loop for computing numerical solutions for Zolotarev numbers */
double zolotarev_solve(int n, /* order of the Zolotarev number */
int num1, /* number of intervals in the 1st set */
int num2, /* number of intervals in the 2nd set */
double lambda, /* lambda value of the Mobius transformation */
double *map, /* mapping coefficients of the Mobius transformation [4] */
double *left1, /* left endpoints of the 1st set in increasing order [num1] */
double *left2, /* left endpoints of the 2nd set in increasing order [num2] */
double *right1, /* right endpoints of the 1st set in increasing order [num1] */
double *right2, /* right endpoints of the 2nd set in increasing order [num2] */
double *root, /* trial roots of the rational function [n] */
double *pole, /* trial poles of the optimal rational function [n] */
double *scale, /* on output, prefactor of the optimal rational function [1] */
int *info) /* on output, status of the calculation [1] */
/* RETURN: value of the Zolotarev number for the numerical solution */
{
int iter = 0;
double *ext1, *ext2, *res1, *res2, *pre1, *pre2, *post1, *post2, *droot, *dpole, *root2, *pole2, error, progress = 1.0;
ext1 = (double*)malloc(sizeof(double)*(n+1));
ext2 = (double*)malloc(sizeof(double)*(n+1));
res1 = (double*)malloc(sizeof(double)*(n+1));
res2 = (double*)malloc(sizeof(double)*(n+1));
pre1 = (double*)malloc(sizeof(double)*(n+1));
pre2 = (double*)malloc(sizeof(double)*(n+1));
post1 = (double*)malloc(sizeof(double)*n);
post2 = (double*)malloc(sizeof(double)*n);
droot = (double*)malloc(sizeof(double)*n);
dpole = (double*)malloc(sizeof(double)*n);
root2 = (double*)malloc(sizeof(double)*n);
pole2 = (double*)malloc(sizeof(double)*n);
*info = 0;
while(progress > 0.0 && ++iter < MAX_ITER)
{
/* calculate new local extrema in both domains */
all_extrema(n, num1, lambda, map, left1, right1, root, pole, ext1, res1);
all_extrema(n, num2, -lambda, map, left2, right2, pole, root, ext2, res2);
/* calculate a search direction */
solution_weight(n, root, pole, ext1, ext2, pre1, pre2, post1, post2);
solution_update(n, root, pole, ext1, ext2, res1, res2, &error, scale, droot, dpole, pre1, pre2, post1, post2);
/* take a safe step in the search direction to improve equioscillation */
progress = safe_step(n, &error, scale, root, pole, ext1, ext2, res1, res2, droot, dpole, root2, pole2, info);
if(*info != 0) { break; }
}
if(iter == MAX_ITER)
{ *info = 5; }
free(pole2);
free(root2);
free(dpole);
free(droot);
free(post2);
free(post1);
free(pre2);
free(pre1);
free(res2);
free(res1);
free(ext2);
free(ext1);
return error;
}
/* condition number function */
double cofunc(int n, /* number of roots/poles of the rational function */
double z, /* point at which the rational function is evaluated */
double lambda, /* edge of approximation domain, [lambda, 1] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *pre) /* precomputed coefficients of the weighted Lagrange polynomials [n] */
/* RETURN: value of the condition number function */
{
int i;
double ans = 0.0;
for(i=0 ; i<n ; i++)
{
double opt = (z < root[i]) ? 1.0 : lambda;
if(z == root[i]) { return 1.0; }
ans += fabs(pre[i]*(z + opt)/((root[i] + opt)*(z - root[i])));
}
ans *= fabs(rational(n, z, root, pole));
return ans;
}
/* 1st & 2nd logarithmic derivatives of the condition number function */
void dlog_cofunc(int n, /* number of roots/poles of the rational function */
double z, /* point at which the rational function is evaluated */
double lambda, /* edge of approximation domain, [lambda, 1] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *pre, /* precomputed coefficients of the weighted Lagrange polynomials [n] */
double *deriv) /* 1st & 2nd logarithmic derivatives on output [2] */
{
int i;
double sum = 0.0, dlog1 = 0.0, dlog2 = 0.0;
dlog_rational(n, z, root, pole, deriv);
for(i=0 ; i<n ; i++)
{
double opt = (z < root[i]) ? 1.0 : lambda;
double val = fabs(pre[i]*(z + opt)/((root[i] + opt)*(z - root[i])));
sum += val;
val *= 1.0/(z + opt) - 1.0/(z - root[i]);
dlog1 += val;
val *= -2.0/(z - root[i]);
dlog2 += val;
}
deriv[0] += dlog1/sum;
deriv[1] += dlog2/sum - dlog1*dlog1/(sum*sum);
}
/* find a local extrema of the condition number function using Newton's method w/ bisection failsafe */
double local_condition(int n, /* number of roots/poles of the rational function */
double left, /* left edge of search interval */
double right, /* right edge of search interval */
double lambda, /* lambda value of the Mobius transformation */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *pre) /* precomputed coefficients of the weighted Lagrange polynomials [n] */
/* RETURN: location of the local extrema of the condition number function */
{
int iter = 0, not_converged = 1, almost_converged = 0;
double deriv[2], guess = 0.5*(left+right), dguess = left-right;
while(not_converged)
{
/* Newton update w/ bisection failsafe */
if(guess + dguess <= left || guess + dguess >= right)
{ guess = 0.5*(left + right); }
else
{ guess += dguess; }
/* update function value */
dlog_cofunc(n, guess, lambda, root, pole, pre, deriv);
dguess = deriv[0]/fabs(deriv[1]);
if(dguess > 0.0) { left = guess; }
else { right = guess; }
/* convergence criteria */
if(almost_converged)
{ not_converged = 0; }
if(fabs(dguess) < NEWTON_TOL*fabs(guess))
{ almost_converged = 1; }
if(++iter == MAX_ITER_ROOT)
{ printf("ERROR: maximum iteration exceeded in local_condition\n"); exit(1); }
}
return guess;
}
/* calculate the condition number */
double condition_number(int n, /* number of roots/poles of the rational function */
int num, /* number of intervals in the approximation domain */
double lambda, /* lambda value of the Mobius transformation, negative sign denotes [-lambda,-1] domain */
double *map, /* mapping coefficients of Mobius transformation [4] */
double *root, /* roots of the rational function [n] */
double *pole, /* poles of the rational function [n] */
double *left, /* left endpoints of intervals in the approximation domain [num] */
double *right) /* left endpoints of intervals in the approximation domain [num] */
/* RETURN: value of the condition number */
{
int i, j, lambda_flip = 0;
double max_condition, new_condition, *pre;
pre = (double*)malloc(sizeof(double)*n);
/* temporarily flip Mobius transformation, roots, & poles for [-lambda,-1] domain */
if(lambda < 0.0)
{
lambda_flip = 1; lambda = -lambda;
map[0] = -map[0]; map[2] = -map[2];
for(i=0 ; i<n ; i++)
{ root[i] = -root[i]; pole[i] = -pole[i]; }
}
/* precompute the coefficients of the weighted Langrange polynomials */
for(i=0 ; i<n ; i++)
{
pre[i] = 1.0;
for(j=0 ; j<n-1 ; j++)
{ pre[i] *= (root[i] - pole[j])/(root[i] - root[j+(j>=i)]); }
pre[i] *= root[i] - pole[n-1];
}
/* trivial extrema at edges of approximation domain */
max_condition = cofunc(n, lambda, lambda, root, pole, pre);
new_condition = cofunc(n, 1.0, lambda, root, pole, pre);
if(new_condition > max_condition)
{ max_condition = new_condition; }
/* find internal local extrema */
for(i=1 ; i<n ; i++)
{
int loc;
double ext;
/* calculate unconstrained local extrema */
ext = local_condition(n, root[i-1], root[i], lambda, root, pole, pre);
/* check for constrained local extrema */
loc = locate(mobius(ext,map), num, left, right);
if(loc < 0)
{
new_condition = 1.0; /* trivial lower bound on condition number function */
double ext1 = mobius_inv(right[-loc-1],map), ext2 = mobius_inv(left[-loc],map);
if(ext1 >= root[i-1] && ext1 <= root[i])
{ new_condition = cofunc(n, ext1, lambda, root, pole, pre); }
if(ext2 >= root[i-1] && ext2 <= root[i])
{
double right_condition = cofunc(n, ext2, lambda, root, pole, pre);
if(right_condition > new_condition)
{ new_condition = right_condition; }
}
}
else
{ new_condition = cofunc(n, ext, lambda, root, pole, pre); }
/* update maximum */
if(new_condition > max_condition)
{ max_condition = new_condition; }
}
/* revert the flipped Mobius transformation, roots, & poles for [-lambda,-1] domain */
if(lambda_flip)
{
map[0] = -map[0]; map[2] = -map[2];
for(i=0 ; i<n ; i++)
{ root[i] = -root[i]; pole[i] = -pole[i]; }
}
free(pre);
return max_condition;
}
/* comparison function to sort reals using qsort */
int real_cmp(const void *r1, /* pointer to 1st real [1] */
const void *r2) /* pointer to 2nd real [1] */
/* RETURN: valid comparison output, -1 for less than, 0 for equal to, & 1 for greater than */
{
if(*(double*)r1 <= *(double*)r2) { return -1; }
if(*(double*)r1 >= *(double*)r2) { return 1; }
return 0;
}
/* interface to Zolotarev number evaluation, Z_n(X,Y) for X = Union_i[end1[i],end1[i+1]] & Y = Union_i[end2[i],end2[i+1]] */
double zolotarev_number(int n, /* order of the Zolotarev number */
int num1, /* number of intervals in the 1st set */
int num2, /* number of intervals in the 2nd set */
double *left1, /* left endpoints of the 1st set in increasing order [num1] */
double *left2, /* left endpoints of the 2nd set in increasing order [num2] */
double *right1, /* right endpoints of the 1st set in increasing order [num1] */
double *right2, /* right endpoints of the 2nd set in increasing order [num2] */
double *root, /* on output, roots of the optimal rational function [n] */
double *pole, /* on output, poles of the optimal rational function [n] */
double *scale, /* on output, prefactor of the optimal rational function [1] */
double *conum1, /* on output, condition number on the 1st set [1] */
double *conum2, /* on output, condition number on the 2nd set [1] */
int *info) /* on output, status of the calculation [1] */
{
int i;
double error, lambda, map[4];
/* construct Mobius transformation & check sets for errors */
lambda = mobius_setup(num1, num2, map, left1, left2, right1, right2, info);
if(*info) { return 0.0; }
/* check for trivial & analytical solutions */
error = zolotarev_check(n, num1, num2, lambda, map, left1, left2, right1, right2, root, pole, scale, info);
if(*info > 0) { return 0.0; }
/* calculate numerical solution */
if(error < 0.0)
{
/* construct initial guess for numerical solution */
zolotarev_guess(n, num1, lambda, map, left1, right1, root);
zolotarev_guess(n, num2, -lambda, map, left2, right2, pole);
/* main solver loop */
error = zolotarev_solve(n, num1, num2, lambda, map, left1, left2, right1, right2, root, pole, scale, info);
if(*info) { return 0.0; }
}
/* compute condition numbers */
*conum1 = condition_number(n+(*info), num1, lambda, map, root, pole, left1, right1);
*conum2 = condition_number(n+(*info), num2, -lambda, map, pole, root, left2, right2);
/* map roots & poles to the original domain */
for(i=0 ; i<n+(*info) ; i++)
{
root[i] = mobius(root[i], map);
pole[i] = mobius(pole[i], map);
}
qsort(root, n+(*info), sizeof(double), real_cmp);
qsort(pole, n+(*info), sizeof(double), real_cmp);
return error;
}
/* command-line interface */
int main(int argc, char **argv)
{
int n, num1, num2, i, info;
clock_t begin, end;
double *left1, *left2, *right1, *right2, *root, *pole, scale, conum1, conum2, error;
FILE *input_file;
if(argc < 4)
{
printf("USAGE: <executable> <Zolotarev number order> <1st domain input file> <2nd domain input file>\n");
return 1;
}
sscanf(argv[1], "%d", &n);
root = (double*)malloc(sizeof(double)*n);
pole = (double*)malloc(sizeof(double)*n);
input_file = fopen(argv[2], "r");
fscanf(input_file, "%d", &num1);
left1 = (double*)malloc(sizeof(double)*num1);
right1 = (double*)malloc(sizeof(double)*num1);
for(i=0 ; i<num1 ; i++)
{ fscanf(input_file, "%lf %lf", left1+i, right1+i); }
fclose(input_file);
input_file = fopen(argv[3], "r");
fscanf(input_file, "%d", &num2);
left2 = (double*)malloc(sizeof(double)*num2);
right2 = (double*)malloc(sizeof(double)*num2);
for(i=0 ; i<num2 ; i++)
{ fscanf(input_file, "%lf %lf", left2+i, right2+i); }
fclose(input_file);
begin = clock();
error = zolotarev_number(n, num1, num2, left1, left2, right1, right2, root, pole, &scale, &conum1, &conum2, &info);
end = clock();
if(info > 0)
{ printf("ERROR: info = %d\n",info); exit(1); }
if(info < 0)
{ printf("WARNING: degenerate solution\n"); n += info; }
printf("Z(%d) = %15.15e\n", n, error);
printf("condition number for 1st domain = %15.15e\n", conum1);
printf("condition number for 2nd domain = %15.15e\n", conum2);
for(i=0 ; i<n ; i++)
{ printf("root[%d] = %15.15e\n", i, root[i]); }
for(i=0 ; i<n ; i++)
{ printf("pole[%d] = %15.15e\n", i, pole[i]); }
printf("time elapsed = %.5lf s\n", (double)(end-begin)/(double)CLOCKS_PER_SEC);
free(right2);
free(left2);
free(right1);
free(left1);
free(pole);
free(root);
return 1;
}
|
the_stack_data/562641.c
|
/*
Measure throughput of IPC using unix domain sockets.
Copyright (c) 2010 Erik Rigtorp <[email protected]>
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <stdint.h>
int main(int argc, char *argv[])
{
int fds[2]; /* the pair of socket descriptors */
int size;
char *buf;
int64_t count, i, delta;
struct timeval start, stop;
if (argc != 3) {
printf ("usage: unix_thr <message-size> <message-count>\n");
exit(1);
}
size = atoi(argv[1]);
count = atol(argv[2]);
buf = malloc(size);
if (buf == NULL) {
perror("malloc");
exit(1);
}
printf("message size: %i octets\n", size);
printf("message count: %lli\n", count);
if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) == -1) {
perror("socketpair");
exit(1);
}
if (!fork()) {
/* child */
for (i = 0; i < count; i++) {
if (read(fds[1], buf, size) != size) {
perror("read");
exit(1);
}
}
} else {
/* parent */
gettimeofday(&start, NULL);
for (i = 0; i < count; i++) {
if (write(fds[0], buf, size) != size) {
perror("write");
exit(1);
}
}
// wait until the child process is terminated
int status;
wait(&status);
gettimeofday(&stop, NULL);
delta = ((stop.tv_sec - start.tv_sec) * (int64_t) 1e6 +
stop.tv_usec - start.tv_usec);
printf("average throughput: %lli msg/s\n", (count * (int64_t) 1e6) / delta);
printf("average throughput: %lli Mb/s\n", (((count * (int64_t) 1e6) / delta) * size * 8) / (int64_t) 1e6);
}
return 0;
}
|
the_stack_data/62850.c
|
#include <complex.h>
extern void scilab_rt_mul_z2z2_z2(int sin00, int sin01, double complex in0[sin00][sin01],
int sin10, int sin11, double complex in1[sin10][sin11],
int sout00, int sout01, double complex out0[sout00][sout01])
{
int i;
int j;
double complex val0 = 0;
double complex val1 = 0;
for (i = 0; i < sin00; ++i) {
for (j = 0; j < sin01; ++j) {
val0 += in0[i][j];
}
}
for (i = 0; i < sin10; ++i) {
for (j = 0; j < sin11; ++j) {
val1 += in1[i][j];
}
}
for (i = 0; i < sout00; ++i) {
for (j = 0; j < sout01; ++j) {
out0[i][j] = val0 + val1;
}
}
}
|
the_stack_data/92327087.c
|
#include <stdio.h>
#include <stdlib.h>
void allocate_dense(size_t rows, size_t cols, double ***dense) {
*dense = malloc(sizeof(double) * rows);
**dense = malloc(sizeof(double) * rows * cols);
for (size_t i = 0; i < rows; i++) {
(*dense)[i] = (*dense)[0] + i * cols;
}
}
void make_hilbert_mat(size_t rows, size_t cols, double ***A) {
for (size_t i = 0; i < rows; i++) {
for (size_t j = 0; j < cols; j++) {
(*A)[i][j] = 1.0 / ((double)i + (double)j + 1.0);
}
}
}
double sum_vec(double *vec, size_t rows) {
double sum = 0.0;
for (int i = 0; i < rows; i++)
sum = sum + vec[i];
return sum;
}
int main() {
const size_t rows = 128;
const size_t cols = 64;
double **A, *x;
volatile double *b;
b = (double *)malloc(sizeof(double) * rows);
x = (double *)malloc(sizeof(double) * cols);
allocate_dense(rows, cols, (double ***)&A);
make_hilbert_mat(rows, cols, (double ***)&A);
for (size_t i = 0; i < rows; i++)
for (size_t j = 0; j < cols; j++) {
b[i] = b[i] + A[i][j] * x[j];
}
}
|
the_stack_data/90763673.c
|
#include <stdlib.h>
char * l64a(long value)
{
return NULL;
}
/*
XOPEN(400)
*/
|
the_stack_data/232954483.c
|
/* libunwind - a platform-independent unwind library
Copyright (C) 2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <[email protected]>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <alloca.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
int
main (int argc, char **argv, char **envp)
{
char *program, **child_argv;
struct timeval start, stop;
double secs;
int status, i;
long count;
pid_t pid;
count = atol (argv[1]);
program = argv[2];
child_argv = alloca ((argc - 1) * sizeof (char *));
for (i = 0; i < argc - 2; ++i)
child_argv[i] = argv[2 + i];
child_argv[i] = NULL;
gettimeofday (&start, NULL);
for (i = 0; i < count; ++i)
{
pid = fork ();
if (pid == 0)
{
execve (program, child_argv, envp);
_exit (-1);
}
else
{
waitpid (pid, &status, 0);
if (!WIFEXITED (status) || WEXITSTATUS (status) != 0)
{
fprintf (stderr, "%s: child failed\n", argv[0]);
exit (-1);
}
}
}
gettimeofday (&stop, NULL);
secs = ((stop.tv_sec + 1e-6 * stop.tv_usec)
- (start.tv_sec + 1e-6 * start.tv_usec));
printf ("%lu nsec/execution\n",
(unsigned long) (1e9 * secs / (double) count));
return 0;
}
|
the_stack_data/193892856.c
|
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: main.c
* Author: Miguel Costa
*
* Created on 21 de Outubro de 2017, 16:53
*/
#include <stdio.h>
#include <stdlib.h>
/*
*
*/
int main(int argc, char** argv) {
int x, y;
printf("Introduza a cordenada x: ");
scanf("%d", &x);
printf("Introduza a cordenada y: ");
scanf("%d", &y);
if (x>0) {
if (y>0) {
printf("O ponto encontrase no primeiro quadrante.");
}
else if (y<0){
printf("O ponto encontrase no quarto quadrante.");
}
else {
printf("O ponto encontrase no eixo X.");
}
}
else if (x<0){
if (y>0) {
printf("O ponto encontrase no segundo quadrante.");
}
else if (y<0){
printf("O ponto encontrase no terceiro quadrante.");
}
else {
printf("O ponto encontrase no eixo X.");
}
}
else {
if (y=0){
printf("O ponto encontrasse na origem.");
}
else {
printf("O ponto encontrasse no eixo Y.");
}
}
return (EXIT_SUCCESS);
}
|
the_stack_data/75137419.c
|
//
// main.c
// print-wheat
//
// Created by Rex Tsao on 11/5/2016.
// Copyright © 2016 rexcao.net. All rights reserved.
//
#include <stdio.h>
#define SQUARES 64
#define CROP 1e15 // production of america computed by grain.
int main(int argc, const char * argv[]) {
double current, total;
int count = 1;
printf("square grains total ");
printf("fraction of \n");
printf(" added grain ");
printf("US total\n");
total = current = 1.0;
printf("%4d %13.2e %12.2e %12.2e\n", count, current, total, total/CROP);
while(count < SQUARES) {
count = count + 1;
current = 2.0 * current;
total = total + current;
printf("%4d %13.2e %12.2e %12.2e\n", count, current, total, total/CROP);
}
printf("That's all.\n");
return 0;
}
|
the_stack_data/29824980.c
|
/* PR sanitizer/55435 */
/* { dg-do compile } */
__attribute__((no_sanitize_address)) int
f1 (int *p, int *q)
{
*p = 42;
return *q;
}
void f2 (char *);
void f2 (char *) __attribute__((no_sanitize_address));
void f2 (char *) __attribute__((no_sanitize_address));
void f2 (char *);
void
f2 (char *p)
{
*p = 42;
}
void f3 (short *);
__typeof (f3) f3 __attribute__((__no_sanitize_address__));
void
f3 (short *p)
{
*p = 42;
}
__attribute__((no_sanitize_address)) int
f4 (int *p, int *q)
{
*p = 42;
return *q;
}
void f5 (char *);
void f5 (char *) __attribute__((no_sanitize_address));
void f5 (char *) __attribute__((no_sanitize_address));
void f5 (char *);
void
f5 (char *p)
{
*p = 42;
}
void f6 (short *);
__typeof (f6) f6 __attribute__((__no_address_safety_analysis__));
void
f6 (short *p)
{
*p = 42;
}
int v __attribute__((no_sanitize_address)); /* { dg-warning "attribute ignored" } */
int v2 __attribute__((no_address_safety_analysis)); /* { dg-warning "attribute ignored" } */
/* { dg-final { scan-assembler-not "__asan_report_store" } } */
/* { dg-final { scan-assembler-not "__asan_report_load" } } */
|
the_stack_data/192330089.c
|
// DATA RACE in fsutil.(*InodeSimpleExtendedAttributes).GetXattr
// https://syzkaller.appspot.com/bug?id=13b8fc341d999cc4a3eaa66fd7f624f698aa4b29
// status:open
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>
unsigned long long procid;
static __thread int skip_segv;
static __thread jmp_buf segv_env;
static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
uintptr_t addr = (uintptr_t)info->si_addr;
const uintptr_t prog_start = 1 << 20;
const uintptr_t prog_end = 100 << 20;
if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
(addr < prog_start || addr > prog_end)) {
_longjmp(segv_env, 1);
}
exit(sig);
}
static void install_segv_handler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = segv_handler;
sa.sa_flags = SA_NODEFER | SA_SIGINFO;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
}
#define NONFAILING(...) \
{ \
__atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \
if (_setjmp(segv_env) == 0) { \
__VA_ARGS__; \
} \
__atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \
}
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i;
for (i = 0; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
struct nlmsg {
char* pos;
int nesting;
struct nlattr* nested[8];
char buf[1024];
};
static struct nlmsg nlmsg;
static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
const void* data, int size)
{
memset(nlmsg, 0, sizeof(*nlmsg));
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_type = typ;
hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
memcpy(hdr + 1, data, size);
nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}
static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
int size)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_len = sizeof(*attr) + size;
attr->nla_type = typ;
memcpy(attr + 1, data, size);
nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}
static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
struct nlattr* attr = (struct nlattr*)nlmsg->pos;
attr->nla_type = typ;
nlmsg->pos += sizeof(*attr);
nlmsg->nested[nlmsg->nesting++] = attr;
}
static void netlink_done(struct nlmsg* nlmsg)
{
struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
attr->nla_len = nlmsg->pos - (char*)attr;
}
static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
int* reply_len)
{
if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
exit(1);
struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
unsigned n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
(struct sockaddr*)&addr, sizeof(addr));
if (n != hdr->nlmsg_len)
exit(1);
n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
if (hdr->nlmsg_type == NLMSG_DONE) {
*reply_len = 0;
return 0;
}
if (n < sizeof(struct nlmsghdr))
exit(1);
if (reply_len && hdr->nlmsg_type == reply_type) {
*reply_len = n;
return 0;
}
if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
exit(1);
if (hdr->nlmsg_type != NLMSG_ERROR)
exit(1);
return -((struct nlmsgerr*)(hdr + 1))->error;
}
static int netlink_send(struct nlmsg* nlmsg, int sock)
{
return netlink_send_ext(nlmsg, sock, 0, NULL);
}
static int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset,
unsigned int total_len)
{
struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset);
if (offset == total_len || offset + hdr->nlmsg_len > total_len)
return -1;
return hdr->nlmsg_len;
}
static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
const char* name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
if (name)
netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
netlink_nest(nlmsg, IFLA_LINKINFO);
netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}
static void netlink_add_device(struct nlmsg* nlmsg, int sock, const char* type,
const char* name)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_veth(struct nlmsg* nlmsg, int sock, const char* name,
const char* peer)
{
netlink_add_device_impl(nlmsg, "veth", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_nest(nlmsg, VETH_INFO_PEER);
nlmsg->pos += sizeof(struct ifinfomsg);
netlink_attr(nlmsg, IFLA_IFNAME, peer, strlen(peer));
netlink_done(nlmsg);
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_hsr(struct nlmsg* nlmsg, int sock, const char* name,
const char* slave1, const char* slave2)
{
netlink_add_device_impl(nlmsg, "hsr", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
int ifindex1 = if_nametoindex(slave1);
netlink_attr(nlmsg, IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
int ifindex2 = if_nametoindex(slave2);
netlink_attr(nlmsg, IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_linked(struct nlmsg* nlmsg, int sock, const char* type,
const char* name, const char* link)
{
netlink_add_device_impl(nlmsg, type, name);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_vlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t id, uint16_t proto)
{
netlink_add_device_impl(nlmsg, "vlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_VLAN_ID, &id, sizeof(id));
netlink_attr(nlmsg, IFLA_VLAN_PROTOCOL, &proto, sizeof(proto));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_macvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link)
{
netlink_add_device_impl(nlmsg, "macvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
uint32_t mode = MACVLAN_MODE_BRIDGE;
netlink_attr(nlmsg, IFLA_MACVLAN_MODE, &mode, sizeof(mode));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_add_geneve(struct nlmsg* nlmsg, int sock, const char* name,
uint32_t vni, struct in_addr* addr4,
struct in6_addr* addr6)
{
netlink_add_device_impl(nlmsg, "geneve", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_GENEVE_ID, &vni, sizeof(vni));
if (addr4)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE, addr4, sizeof(*addr4));
if (addr6)
netlink_attr(nlmsg, IFLA_GENEVE_REMOTE6, addr6, sizeof(*addr6));
netlink_done(nlmsg);
netlink_done(nlmsg);
int err = netlink_send(nlmsg, sock);
(void)err;
}
#define IFLA_IPVLAN_FLAGS 2
#define IPVLAN_MODE_L3S 2
#undef IPVLAN_F_VEPA
#define IPVLAN_F_VEPA 2
static void netlink_add_ipvlan(struct nlmsg* nlmsg, int sock, const char* name,
const char* link, uint16_t mode, uint16_t flags)
{
netlink_add_device_impl(nlmsg, "ipvlan", name);
netlink_nest(nlmsg, IFLA_INFO_DATA);
netlink_attr(nlmsg, IFLA_IPVLAN_MODE, &mode, sizeof(mode));
netlink_attr(nlmsg, IFLA_IPVLAN_FLAGS, &flags, sizeof(flags));
netlink_done(nlmsg);
netlink_done(nlmsg);
int ifindex = if_nametoindex(link);
netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
int err = netlink_send(nlmsg, sock);
(void)err;
}
static void netlink_device_change(struct nlmsg* nlmsg, int sock,
const char* name, bool up, const char* master,
const void* mac, int macsize,
const char* new_name)
{
struct ifinfomsg hdr;
memset(&hdr, 0, sizeof(hdr));
if (up)
hdr.ifi_flags = hdr.ifi_change = IFF_UP;
hdr.ifi_index = if_nametoindex(name);
netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
if (new_name)
netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
if (master) {
int ifindex = if_nametoindex(master);
netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
}
if (macsize)
netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
const void* addr, int addrsize)
{
struct ifaddrmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
hdr.ifa_scope = RT_SCOPE_UNIVERSE;
hdr.ifa_index = if_nametoindex(dev);
netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
return netlink_send(nlmsg, sock);
}
static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in_addr in_addr;
inet_pton(AF_INET, addr, &in_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
(void)err;
}
static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
const char* addr)
{
struct in6_addr in6_addr;
inet_pton(AF_INET6, addr, &in6_addr);
int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
(void)err;
}
static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
const void* addr, int addrsize, const void* mac,
int macsize)
{
struct ndmsg hdr;
memset(&hdr, 0, sizeof(hdr));
hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
hdr.ndm_ifindex = if_nametoindex(name);
hdr.ndm_state = NUD_PERMANENT;
netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
sizeof(hdr));
netlink_attr(nlmsg, NDA_DST, addr, addrsize);
netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
int err = netlink_send(nlmsg, sock);
(void)err;
}
static int tunfd = -1;
static int tun_frags_enabled;
#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"
#define IFF_NAPI 0x0010
#define IFF_NAPI_FRAGS 0x0020
static void initialize_tun(void)
{
tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
if (tunfd == -1) {
printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
printf("otherwise fuzzing or reproducing might not work as intended\n");
return;
}
const int kTunFd = 240;
if (dup2(tunfd, kTunFd) < 0)
exit(1);
close(tunfd);
tunfd = kTunFd;
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
exit(1);
}
char sysctl[64];
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
write_file(sysctl, "0");
sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
write_file(sysctl, "0");
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
uint64_t macaddr = REMOTE_MAC;
struct in_addr in_addr;
inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
&macaddr, ETH_ALEN);
struct in6_addr in6_addr;
inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
&macaddr, ETH_ALEN);
macaddr = LOCAL_MAC;
netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
NULL);
close(sock);
}
const int kInitNetNsFd = 239;
#define DEVLINK_FAMILY_NAME "devlink"
#define DEVLINK_CMD_PORT_GET 5
#define DEVLINK_CMD_RELOAD 37
#define DEVLINK_ATTR_BUS_NAME 1
#define DEVLINK_ATTR_DEV_NAME 2
#define DEVLINK_ATTR_NETDEV_NAME 7
#define DEVLINK_ATTR_NETNS_FD 138
static int netlink_devlink_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
struct nlattr* attr;
int err, n;
uint16_t id = 0;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, DEVLINK_FAMILY_NAME,
strlen(DEVLINK_FAMILY_NAME) + 1);
err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); /* recv ack */
return id;
}
static void netlink_devlink_netns_move(const char* bus_name,
const char* dev_name, int netns_fd)
{
struct genlmsghdr genlhdr;
int sock;
int id, err;
sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1)
exit(1);
id = netlink_devlink_id_get(&nlmsg, sock);
if (id == -1)
goto error;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = DEVLINK_CMD_RELOAD;
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
netlink_attr(&nlmsg, DEVLINK_ATTR_NETNS_FD, &netns_fd, sizeof(netns_fd));
err = netlink_send(&nlmsg, sock);
if (err) {
}
error:
close(sock);
}
static struct nlmsg nlmsg2;
static void initialize_devlink_ports(const char* bus_name, const char* dev_name,
const char* netdev_prefix)
{
struct genlmsghdr genlhdr;
int len, total_len, id, err, offset;
uint16_t netdev_index;
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1)
exit(1);
int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (rtsock == -1)
exit(1);
id = netlink_devlink_id_get(&nlmsg, sock);
if (id == -1)
goto error;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = DEVLINK_CMD_PORT_GET;
netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
err = netlink_send_ext(&nlmsg, sock, id, &total_len);
if (err) {
goto error;
}
offset = 0;
netdev_index = 0;
while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) {
struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg.buf + offset + len;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) {
char* port_name;
char netdev_name[IFNAMSIZ];
port_name = (char*)(attr + 1);
snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix,
netdev_index);
netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0,
netdev_name);
break;
}
}
offset += len;
netdev_index++;
}
error:
close(rtsock);
close(sock);
}
static void initialize_devlink_pci(void)
{
int netns = open("/proc/self/ns/net", O_RDONLY);
if (netns == -1)
exit(1);
int ret = setns(kInitNetNsFd, 0);
if (ret == -1)
exit(1);
netlink_devlink_netns_move("pci", "0000:00:10.0", netns);
ret = setns(netns, 0);
if (ret == -1)
exit(1);
close(netns);
initialize_devlink_ports("pci", "0000:00:10.0", "netpci");
}
#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void netdevsim_add(unsigned int addr, unsigned int port_count)
{
char buf[16];
sprintf(buf, "%u %u", addr, port_count);
if (write_file("/sys/bus/netdevsim/new_device", buf)) {
snprintf(buf, sizeof(buf), "netdevsim%d", addr);
initialize_devlink_ports("netdevsim", buf, "netdevsim");
}
}
#define WG_GENL_NAME "wireguard"
enum wg_cmd {
WG_CMD_GET_DEVICE,
WG_CMD_SET_DEVICE,
};
enum wgdevice_attribute {
WGDEVICE_A_UNSPEC,
WGDEVICE_A_IFINDEX,
WGDEVICE_A_IFNAME,
WGDEVICE_A_PRIVATE_KEY,
WGDEVICE_A_PUBLIC_KEY,
WGDEVICE_A_FLAGS,
WGDEVICE_A_LISTEN_PORT,
WGDEVICE_A_FWMARK,
WGDEVICE_A_PEERS,
};
enum wgpeer_attribute {
WGPEER_A_UNSPEC,
WGPEER_A_PUBLIC_KEY,
WGPEER_A_PRESHARED_KEY,
WGPEER_A_FLAGS,
WGPEER_A_ENDPOINT,
WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
WGPEER_A_LAST_HANDSHAKE_TIME,
WGPEER_A_RX_BYTES,
WGPEER_A_TX_BYTES,
WGPEER_A_ALLOWEDIPS,
WGPEER_A_PROTOCOL_VERSION,
};
enum wgallowedip_attribute {
WGALLOWEDIP_A_UNSPEC,
WGALLOWEDIP_A_FAMILY,
WGALLOWEDIP_A_IPADDR,
WGALLOWEDIP_A_CIDR_MASK,
};
static int netlink_wireguard_id_get(struct nlmsg* nlmsg, int sock)
{
struct genlmsghdr genlhdr;
struct nlattr* attr;
int err, n;
uint16_t id = 0;
memset(&genlhdr, 0, sizeof(genlhdr));
genlhdr.cmd = CTRL_CMD_GETFAMILY;
netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, WG_GENL_NAME,
strlen(WG_GENL_NAME) + 1);
err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err) {
return -1;
}
attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
NLMSG_ALIGN(sizeof(genlhdr)));
for (; (char*)attr < nlmsg->buf + n;
attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(uint16_t*)(attr + 1);
break;
}
}
if (!id) {
return -1;
}
recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); /* recv ack */
return id;
}
static void netlink_wireguard_setup(void)
{
const char ifname_a[] = "wg0";
const char ifname_b[] = "wg1";
const char ifname_c[] = "wg2";
const char private_a[] =
"\xa0\x5c\xa8\x4f\x6c\x9c\x8e\x38\x53\xe2\xfd\x7a\x70\xae\x0f\xb2\x0f\xa1"
"\x52\x60\x0c\xb0\x08\x45\x17\x4f\x08\x07\x6f\x8d\x78\x43";
const char private_b[] =
"\xb0\x80\x73\xe8\xd4\x4e\x91\xe3\xda\x92\x2c\x22\x43\x82\x44\xbb\x88\x5c"
"\x69\xe2\x69\xc8\xe9\xd8\x35\xb1\x14\x29\x3a\x4d\xdc\x6e";
const char private_c[] =
"\xa0\xcb\x87\x9a\x47\xf5\xbc\x64\x4c\x0e\x69\x3f\xa6\xd0\x31\xc7\x4a\x15"
"\x53\xb6\xe9\x01\xb9\xff\x2f\x51\x8c\x78\x04\x2f\xb5\x42";
const char public_a[] =
"\x97\x5c\x9d\x81\xc9\x83\xc8\x20\x9e\xe7\x81\x25\x4b\x89\x9f\x8e\xd9\x25"
"\xae\x9f\x09\x23\xc2\x3c\x62\xf5\x3c\x57\xcd\xbf\x69\x1c";
const char public_b[] =
"\xd1\x73\x28\x99\xf6\x11\xcd\x89\x94\x03\x4d\x7f\x41\x3d\xc9\x57\x63\x0e"
"\x54\x93\xc2\x85\xac\xa4\x00\x65\xcb\x63\x11\xbe\x69\x6b";
const char public_c[] =
"\xf4\x4d\xa3\x67\xa8\x8e\xe6\x56\x4f\x02\x02\x11\x45\x67\x27\x08\x2f\x5c"
"\xeb\xee\x8b\x1b\xf5\xeb\x73\x37\x34\x1b\x45\x9b\x39\x22";
const uint16_t listen_a = 20001;
const uint16_t listen_b = 20002;
const uint16_t listen_c = 20003;
const uint16_t af_inet = AF_INET;
const uint16_t af_inet6 = AF_INET6;
/* Unused, but useful in case we change this:
const struct sockaddr_in endpoint_a_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_a),
.sin_addr = {htonl(INADDR_LOOPBACK)}};*/
const struct sockaddr_in endpoint_b_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_b),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
const struct sockaddr_in endpoint_c_v4 = {
.sin_family = AF_INET,
.sin_port = htons(listen_c),
.sin_addr = {htonl(INADDR_LOOPBACK)}};
struct sockaddr_in6 endpoint_a_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_a)};
endpoint_a_v6.sin6_addr = in6addr_loopback;
/* Unused, but useful in case we change this:
const struct sockaddr_in6 endpoint_b_v6 = {
.sin6_family = AF_INET6,
.sin6_port = htons(listen_b)};
endpoint_b_v6.sin6_addr = in6addr_loopback; */
struct sockaddr_in6 endpoint_c_v6 = {.sin6_family = AF_INET6,
.sin6_port = htons(listen_c)};
endpoint_c_v6.sin6_addr = in6addr_loopback;
const struct in_addr first_half_v4 = {0};
const struct in_addr second_half_v4 = {htonl(128 << 24)};
const struct in6_addr first_half_v6 = {{{0}}};
const struct in6_addr second_half_v6 = {{{0x80}}};
const uint8_t half_cidr = 1;
const uint16_t persistent_keepalives[] = {1, 3, 7, 9, 14, 19};
struct genlmsghdr genlhdr = {.cmd = WG_CMD_SET_DEVICE, .version = 1};
int sock;
int id, err;
sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (sock == -1) {
return;
}
id = netlink_wireguard_id_get(&nlmsg, sock);
if (id == -1)
goto error;
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_a, strlen(ifname_a) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_a, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_a, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[0], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v6,
sizeof(endpoint_c_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[1], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_b, strlen(ifname_b) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_b, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_b, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[2], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v4,
sizeof(endpoint_c_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[3], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_c, strlen(ifname_c) + 1);
netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_c, 32);
netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_c, 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
sizeof(endpoint_a_v6));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[4], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
sizeof(first_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
sizeof(first_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
sizeof(endpoint_b_v4));
netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
&persistent_keepalives[5], 2);
netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
sizeof(second_half_v4));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_nest(&nlmsg, NLA_F_NESTED | 0);
netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
sizeof(second_half_v6));
netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
netlink_done(&nlmsg);
err = netlink_send(&nlmsg, sock);
if (err) {
}
error:
close(sock);
}
static void initialize_netdevices(void)
{
char netdevsim[16];
sprintf(netdevsim, "netdevsim%d", (int)procid);
struct {
const char* type;
const char* dev;
} devtypes[] = {
{"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
{"vcan", "vcan0"}, {"bond", "bond0"},
{"team", "team0"}, {"dummy", "dummy0"},
{"nlmon", "nlmon0"}, {"caif", "caif0"},
{"batadv", "batadv0"}, {"vxcan", "vxcan1"},
{"netdevsim", netdevsim}, {"veth", 0},
{"xfrm", "xfrm0"}, {"wireguard", "wg0"},
{"wireguard", "wg1"}, {"wireguard", "wg2"},
};
const char* devmasters[] = {"bridge", "bond", "team", "batadv"};
struct {
const char* name;
int macsize;
bool noipv6;
} devices[] = {
{"lo", ETH_ALEN},
{"sit0", 0},
{"bridge0", ETH_ALEN},
{"vcan0", 0, true},
{"tunl0", 0},
{"gre0", 0},
{"gretap0", ETH_ALEN},
{"ip_vti0", 0},
{"ip6_vti0", 0},
{"ip6tnl0", 0},
{"ip6gre0", 0},
{"ip6gretap0", ETH_ALEN},
{"erspan0", ETH_ALEN},
{"bond0", ETH_ALEN},
{"veth0", ETH_ALEN},
{"veth1", ETH_ALEN},
{"team0", ETH_ALEN},
{"veth0_to_bridge", ETH_ALEN},
{"veth1_to_bridge", ETH_ALEN},
{"veth0_to_bond", ETH_ALEN},
{"veth1_to_bond", ETH_ALEN},
{"veth0_to_team", ETH_ALEN},
{"veth1_to_team", ETH_ALEN},
{"veth0_to_hsr", ETH_ALEN},
{"veth1_to_hsr", ETH_ALEN},
{"hsr0", 0},
{"dummy0", ETH_ALEN},
{"nlmon0", 0},
{"vxcan0", 0, true},
{"vxcan1", 0, true},
{"caif0", ETH_ALEN},
{"batadv0", ETH_ALEN},
{netdevsim, ETH_ALEN},
{"xfrm0", ETH_ALEN},
{"veth0_virt_wifi", ETH_ALEN},
{"veth1_virt_wifi", ETH_ALEN},
{"virt_wifi0", ETH_ALEN},
{"veth0_vlan", ETH_ALEN},
{"veth1_vlan", ETH_ALEN},
{"vlan0", ETH_ALEN},
{"vlan1", ETH_ALEN},
{"macvlan0", ETH_ALEN},
{"macvlan1", ETH_ALEN},
{"ipvlan0", ETH_ALEN},
{"ipvlan1", ETH_ALEN},
{"veth0_macvtap", ETH_ALEN},
{"veth1_macvtap", ETH_ALEN},
{"macvtap0", ETH_ALEN},
{"macsec0", ETH_ALEN},
{"veth0_to_batadv", ETH_ALEN},
{"veth1_to_batadv", ETH_ALEN},
{"batadv_slave_0", ETH_ALEN},
{"batadv_slave_1", ETH_ALEN},
{"geneve0", ETH_ALEN},
{"geneve1", ETH_ALEN},
{"wg0", 0},
{"wg1", 0},
{"wg2", 0},
};
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
netlink_add_device(&nlmsg, sock, devtypes[i].type, devtypes[i].dev);
for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
sprintf(slave0, "%s_slave_0", devmasters[i]);
sprintf(veth0, "veth0_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave0, veth0);
sprintf(slave1, "%s_slave_1", devmasters[i]);
sprintf(veth1, "veth1_to_%s", devmasters[i]);
netlink_add_veth(&nlmsg, sock, slave1, veth1);
sprintf(master, "%s0", devmasters[i]);
netlink_device_change(&nlmsg, sock, slave0, false, master, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, slave1, false, master, 0, 0, NULL);
}
netlink_device_change(&nlmsg, sock, "bridge_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "bridge_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "hsr_slave_0", "veth0_to_hsr");
netlink_add_veth(&nlmsg, sock, "hsr_slave_1", "veth1_to_hsr");
netlink_add_hsr(&nlmsg, sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
netlink_device_change(&nlmsg, sock, "hsr_slave_0", true, 0, 0, 0, NULL);
netlink_device_change(&nlmsg, sock, "hsr_slave_1", true, 0, 0, 0, NULL);
netlink_add_veth(&nlmsg, sock, "veth0_virt_wifi", "veth1_virt_wifi");
netlink_add_linked(&nlmsg, sock, "virt_wifi", "virt_wifi0",
"veth1_virt_wifi");
netlink_add_veth(&nlmsg, sock, "veth0_vlan", "veth1_vlan");
netlink_add_vlan(&nlmsg, sock, "vlan0", "veth0_vlan", 0, htons(ETH_P_8021Q));
netlink_add_vlan(&nlmsg, sock, "vlan1", "veth0_vlan", 1, htons(ETH_P_8021AD));
netlink_add_macvlan(&nlmsg, sock, "macvlan0", "veth1_vlan");
netlink_add_macvlan(&nlmsg, sock, "macvlan1", "veth1_vlan");
netlink_add_ipvlan(&nlmsg, sock, "ipvlan0", "veth0_vlan", IPVLAN_MODE_L2, 0);
netlink_add_ipvlan(&nlmsg, sock, "ipvlan1", "veth0_vlan", IPVLAN_MODE_L3S,
IPVLAN_F_VEPA);
netlink_add_veth(&nlmsg, sock, "veth0_macvtap", "veth1_macvtap");
netlink_add_linked(&nlmsg, sock, "macvtap", "macvtap0", "veth0_macvtap");
netlink_add_linked(&nlmsg, sock, "macsec", "macsec0", "veth1_macvtap");
char addr[32];
sprintf(addr, DEV_IPV4, 14 + 10);
struct in_addr geneve_addr4;
if (inet_pton(AF_INET, addr, &geneve_addr4) <= 0)
exit(1);
struct in6_addr geneve_addr6;
if (inet_pton(AF_INET6, "fc00::01", &geneve_addr6) <= 0)
exit(1);
netlink_add_geneve(&nlmsg, sock, "geneve0", 0, &geneve_addr4, 0);
netlink_add_geneve(&nlmsg, sock, "geneve1", 1, 0, &geneve_addr6);
netdevsim_add((int)procid, 4);
netlink_wireguard_setup();
for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
char addr[32];
sprintf(addr, DEV_IPV4, i + 10);
netlink_add_addr4(&nlmsg, sock, devices[i].name, addr);
if (!devices[i].noipv6) {
sprintf(addr, DEV_IPV6, i + 10);
netlink_add_addr6(&nlmsg, sock, devices[i].name, addr);
}
uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
netlink_device_change(&nlmsg, sock, devices[i].name, true, 0, &macaddr,
devices[i].macsize, NULL);
}
close(sock);
}
static void initialize_netdevices_init(void)
{
int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1)
exit(1);
struct {
const char* type;
int macsize;
bool noipv6;
bool noup;
} devtypes[] = {
{"nr", 7, true},
{"rose", 5, true, true},
};
unsigned i;
for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
char dev[32], addr[32];
sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
netlink_add_addr4(&nlmsg, sock, dev, addr);
if (!devtypes[i].noipv6) {
sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
netlink_add_addr6(&nlmsg, sock, dev, addr);
}
int macsize = devtypes[i].macsize;
uint64_t macaddr = 0xbbbbbb +
((unsigned long long)i << (8 * (macsize - 2))) +
(procid << (8 * (macsize - 1)));
netlink_device_change(&nlmsg, sock, dev, !devtypes[i].noup, 0, &macaddr,
macsize, NULL);
}
close(sock);
}
static int read_tun(char* data, int size)
{
if (tunfd < 0)
return -1;
int rv = read(tunfd, data, size);
if (rv < 0) {
if (errno == EAGAIN)
return -1;
if (errno == EBADFD)
return -1;
exit(1);
}
return rv;
}
static void flush_tun()
{
char data[1000];
while (read_tun(&data[0], sizeof(data)) != -1) {
}
}
#define MAX_FDS 30
#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10
struct xt_counters {
uint64_t pcnt, bcnt;
};
struct ipt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_entries;
unsigned int size;
};
struct ipt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct ipt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[5];
unsigned int underflow[5];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct ipt_table_desc {
const char* name;
struct ipt_getinfo info;
struct ipt_replace replace;
};
static struct ipt_table_desc ipv4_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
static struct ipt_table_desc ipv6_tables[] = {
{.name = "filter"}, {.name = "nat"}, {.name = "mangle"},
{.name = "raw"}, {.name = "security"},
};
#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
struct arpt_getinfo {
char name[32];
unsigned int valid_hooks;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_entries;
unsigned int size;
};
struct arpt_get_entries {
char name[32];
unsigned int size;
void* entrytable[XT_TABLE_SIZE / sizeof(void*)];
};
struct arpt_replace {
char name[32];
unsigned int valid_hooks;
unsigned int num_entries;
unsigned int size;
unsigned int hook_entry[3];
unsigned int underflow[3];
unsigned int num_counters;
struct xt_counters* counters;
char entrytable[XT_TABLE_SIZE];
};
struct arpt_table_desc {
const char* name;
struct arpt_getinfo info;
struct arpt_replace replace;
};
static struct arpt_table_desc arpt_tables[] = {
{.name = "filter"},
};
#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct ipt_get_entries entries;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
int family, int level)
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct ipt_get_entries entries;
struct ipt_getinfo info;
socklen_t optlen;
int fd, i;
fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < num_tables; i++) {
struct ipt_table_desc* table = &tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_arptables(void)
{
struct arpt_get_entries entries;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
strcpy(table->info.name, table->name);
strcpy(table->replace.name, table->name);
optlen = sizeof(table->info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->info.size > sizeof(table->replace.entrytable))
exit(1);
if (table->info.num_entries > XT_MAX_ENTRIES)
exit(1);
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
table->replace.valid_hooks = table->info.valid_hooks;
table->replace.num_entries = table->info.num_entries;
table->replace.size = table->info.size;
memcpy(table->replace.hook_entry, table->info.hook_entry,
sizeof(table->replace.hook_entry));
memcpy(table->replace.underflow, table->info.underflow,
sizeof(table->replace.underflow));
memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
}
close(fd);
}
static void reset_arptables()
{
struct xt_counters counters[XT_MAX_ENTRIES];
struct arpt_get_entries entries;
struct arpt_getinfo info;
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
struct arpt_table_desc* table = &arpt_tables[i];
if (table->info.valid_hooks == 0)
continue;
memset(&info, 0, sizeof(info));
strcpy(info.name, table->name);
optlen = sizeof(info);
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
exit(1);
if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
memset(&entries, 0, sizeof(entries));
strcpy(entries.name, table->name);
entries.size = table->info.size;
optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
exit(1);
if (memcmp(table->replace.entrytable, entries.entrytable,
table->info.size) == 0)
continue;
} else {
}
table->replace.num_counters = info.num_entries;
table->replace.counters = counters;
optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
table->replace.size;
if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
exit(1);
}
close(fd);
}
#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)
struct ebt_replace {
char name[EBT_TABLE_MAXNAMELEN];
unsigned int valid_hooks;
unsigned int nentries;
unsigned int entries_size;
struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
unsigned int num_counters;
struct ebt_counter* counters;
char* entries;
};
struct ebt_entries {
unsigned int distinguisher;
char name[EBT_CHAIN_MAXNAMELEN];
unsigned int counter_offset;
int policy;
unsigned int nentries;
char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};
struct ebt_table_desc {
const char* name;
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
};
static struct ebt_table_desc ebt_tables[] = {
{.name = "filter"},
{.name = "nat"},
{.name = "broute"},
};
static void checkpoint_ebtables(void)
{
socklen_t optlen;
unsigned i;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
strcpy(table->replace.name, table->name);
optlen = sizeof(table->replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
&optlen)) {
switch (errno) {
case EPERM:
case ENOENT:
case ENOPROTOOPT:
continue;
}
exit(1);
}
if (table->replace.entries_size > sizeof(table->entrytable))
exit(1);
table->replace.num_counters = 0;
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
&optlen))
exit(1);
}
close(fd);
}
static void reset_ebtables()
{
struct ebt_replace replace;
char entrytable[XT_TABLE_SIZE];
socklen_t optlen;
unsigned i, j, h;
int fd;
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd == -1) {
switch (errno) {
case EAFNOSUPPORT:
case ENOPROTOOPT:
return;
}
exit(1);
}
for (i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
struct ebt_table_desc* table = &ebt_tables[i];
if (table->replace.valid_hooks == 0)
continue;
memset(&replace, 0, sizeof(replace));
strcpy(replace.name, table->name);
optlen = sizeof(replace);
if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
exit(1);
replace.num_counters = 0;
table->replace.entries = 0;
for (h = 0; h < NF_BR_NUMHOOKS; h++)
table->replace.hook_entry[h] = 0;
if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
memset(&entrytable, 0, sizeof(entrytable));
replace.entries = entrytable;
optlen = sizeof(replace) + replace.entries_size;
if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
exit(1);
if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
continue;
}
for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
if (table->replace.valid_hooks & (1 << h)) {
table->replace.hook_entry[h] =
(struct ebt_entries*)table->entrytable + j;
j++;
}
}
table->replace.entries = table->entrytable;
optlen = sizeof(table->replace) + table->replace.entries_size;
if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
exit(1);
}
close(fd);
}
static void checkpoint_net_namespace(void)
{
checkpoint_ebtables();
checkpoint_arptables();
checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void reset_net_namespace(void)
{
reset_ebtables();
reset_arptables();
reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
AF_INET, SOL_IP);
reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
AF_INET6, SOL_IPV6);
}
static void setup_cgroups()
{
if (mkdir("/syzcgroup", 0777)) {
}
if (mkdir("/syzcgroup/unified", 0777)) {
}
if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
}
if (chmod("/syzcgroup/unified", 0777)) {
}
write_file("/syzcgroup/unified/cgroup.subtree_control",
"+cpu +memory +io +pids +rdma");
if (mkdir("/syzcgroup/cpu", 0777)) {
}
if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
"cpuset,cpuacct,perf_event,hugetlb")) {
}
write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
if (chmod("/syzcgroup/cpu", 0777)) {
}
if (mkdir("/syzcgroup/net", 0777)) {
}
if (mount("none", "/syzcgroup/net", "cgroup", 0,
"net_cls,net_prio,devices,freezer")) {
}
if (chmod("/syzcgroup/net", 0777)) {
}
}
static void setup_cgroups_loop()
{
int pid = getpid();
char file[128];
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
write_file(file, "32");
snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
write_file(file, "%d", 298 << 20);
snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
write_file(file, "%d", 299 << 20);
snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
write_file(file, "%d", 300 << 20);
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (mkdir(cgroupdir, 0777)) {
}
snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
write_file(file, "%d", pid);
}
static void setup_cgroups_test()
{
char cgroupdir[64];
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.cpu")) {
}
snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
if (symlink(cgroupdir, "./cgroup.net")) {
}
}
static void setup_common()
{
if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
}
setup_cgroups();
}
static void loop();
static void sandbox_common()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setsid();
int netns = open("/proc/self/ns/net", O_RDONLY);
if (netns == -1)
exit(1);
if (dup2(netns, kInitNetNsFd) < 0)
exit(1);
close(netns);
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = (200 << 20);
setrlimit(RLIMIT_AS, &rlim);
rlim.rlim_cur = rlim.rlim_max = 32 << 20;
setrlimit(RLIMIT_MEMLOCK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 136 << 20;
setrlimit(RLIMIT_FSIZE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 1 << 20;
setrlimit(RLIMIT_STACK, &rlim);
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
rlim.rlim_cur = rlim.rlim_max = 256;
setrlimit(RLIMIT_NOFILE, &rlim);
if (unshare(CLONE_NEWNS)) {
}
if (unshare(CLONE_NEWIPC)) {
}
if (unshare(0x02000000)) {
}
if (unshare(CLONE_NEWUTS)) {
}
if (unshare(CLONE_SYSVSEM)) {
}
typedef struct {
const char* name;
const char* value;
} sysctl_t;
static const sysctl_t sysctls[] = {
{"/proc/sys/kernel/shmmax", "16777216"},
{"/proc/sys/kernel/shmall", "536870912"},
{"/proc/sys/kernel/shmmni", "1024"},
{"/proc/sys/kernel/msgmax", "8192"},
{"/proc/sys/kernel/msgmni", "1024"},
{"/proc/sys/kernel/msgmnb", "1024"},
{"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
};
unsigned i;
for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
write_file(sysctls[i].name, sysctls[i].value);
}
int wait_for_loop(int pid)
{
if (pid < 0)
exit(1);
int status = 0;
while (waitpid(-1, &status, __WALL) != pid) {
}
return WEXITSTATUS(status);
}
static void drop_caps(void)
{
struct __user_cap_header_struct cap_hdr = {};
struct __user_cap_data_struct cap_data[2] = {};
cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
cap_hdr.pid = getpid();
if (syscall(SYS_capget, &cap_hdr, &cap_data))
exit(1);
const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
cap_data[0].effective &= ~drop;
cap_data[0].permitted &= ~drop;
cap_data[0].inheritable &= ~drop;
if (syscall(SYS_capset, &cap_hdr, &cap_data))
exit(1);
}
static int do_sandbox_none(void)
{
if (unshare(CLONE_NEWPID)) {
}
int pid = fork();
if (pid != 0)
return wait_for_loop(pid);
setup_common();
sandbox_common();
drop_caps();
initialize_netdevices_init();
if (unshare(CLONE_NEWNET)) {
}
initialize_devlink_pci();
initialize_tun();
initialize_netdevices();
loop();
exit(1);
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, MNT_DETACH) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH))
exit(1);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
int i;
for (i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_loop()
{
setup_cgroups_loop();
checkpoint_net_namespace();
}
static void reset_loop()
{
reset_net_namespace();
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
setup_cgroups_test();
write_file("/proc/self/oom_score_adj", "1000");
flush_tun();
}
static void close_fds()
{
int fd;
for (fd = 3; fd < MAX_FDS; fd++)
close(fd);
}
static void setup_binfmt_misc()
{
if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
}
write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
write_file("/proc/sys/fs/binfmt_misc/register",
":syz1:M:1:\x02::./file0:POC");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 7; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
close_fds();
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
setup_loop();
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[1] = {0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res;
switch (call) {
case 0:
syscall(__NR_pipe, 0ul);
break;
case 1:
syscall(__NR_ioctl, -1, 0x4b44ul, 0ul);
break;
case 2:
syscall(__NR_prctl, 0x13ul, 0ul, 0, 0);
break;
case 3:
NONFAILING(memcpy((void*)0x20000280, "./bus\000", 6));
res = syscall(__NR_creat, 0x20000280ul, 0ul);
if (res != -1)
r[0] = res;
break;
case 4:
NONFAILING(memcpy((void*)0x200000c0, "user.syz\000", 9));
syscall(__NR_fsetxattr, r[0], 0x200000c0ul, 0ul, 0ul, 0ul);
break;
case 5:
NONFAILING(memcpy((void*)0x20000040, "user.syz\000", 9));
syscall(__NR_fremovexattr, r[0], 0x20000040ul);
break;
case 6:
NONFAILING(memcpy((void*)0x20000000, "./bus\000", 6));
NONFAILING(memcpy((void*)0x20000080, "user.", 5));
NONFAILING(memcpy((void*)0x20000085, "user.syz\000", 9));
syscall(__NR_getxattr, 0x20000000ul, 0x20000080ul, 0ul, 0ul);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0);
setup_binfmt_misc();
install_segv_handler();
use_temporary_dir();
do_sandbox_none();
return 0;
}
|
the_stack_data/89200115.c
|
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define thisprog "xe-cut1"
#define TITLE_STRING thisprog" v 4: 11.November.2018 [JRH]"
#define MAXLINELEN 1000
/*
<TAGS>database screen</TAGS>
v 4: 5.July.2019 [JRH]
- add option to just count the "words" (-c) on each line - useful for testing files with "empty" columns
v 4: 11.November.2018 [JRH]
- bugfix: missing columns now properly represented by delimiters in output
v 4: 22.September.2017 [JRH]
- bugfix: now outputs a "-" if a specified column is missing on a given line
v 4: 24.November.2016 [JRH]
- bugfix: numeric column-id option (-n 1) was omitting first line
- should assume that there is no header row - all rows output
v 4: 18.October.2016 [JRH]
- add option for numeric column definition
- add long-line support
v 4: 23.May.2016 [JRH]
- add option to skip comments and blank lines (-s)
- update long int variable naming conventions
v 4: 15.March.2013 [JRH]
- add option to omit outputting the header line
v 3: 18.February.2013 [JRH]
v 2: 14.February.2013 [JRH]
- use new function lineparse1 to parse line into words
- note that missing words (eg. two successive tabs) will disrupt word-numbering
- missing columns on a given line now replaced by "-"
*/
/* external functions start */
char *xf_lineread1(char *line, long *maxlinelen, FILE *fpin);
long *xf_lineparse1(char *line, long *nwords);
long *xf_lineparse2(char *line,char *delimiters, long *nwords);
char *xf_strescape1(char *line);
/* external functions end */
int main (int argc, char *argv[]) {
/* general variables */
char *line=NULL,*pword;
long ii,jj,kk,mm,nn,maxlinelen=MAXLINELEN;
int v,w,x,y,z,col,colmatch;
float a,b,c,d;
double aa,bb,cc,dd;
FILE *fpin,*fpout;
/* program-specific variables */
char **key=NULL;
long *keycol=NULL,*start=NULL,nwords,nkeys,nkeysm1,keycolmax;
/* arguments */
char *infile,*setkeys,delimiters[MAXLINELEN],delimout[4];
int setdelimiters=0,setomithead=0,setskip=0,setnumeric=0,setcount=0;
/* PRINT INSTRUCTIONS IF THERE IS NO FILENAME SPECIFIED */
if(argc<3) {
fprintf(stderr,"\n");
fprintf(stderr,"----------------------------------------------------------------------\n");
fprintf(stderr,"%s\n",TITLE_STRING);
fprintf(stderr,"----------------------------------------------------------------------\n");
fprintf(stderr,"Extract columns from input based on labels in the first line\n");
fprintf(stderr," - the order of columns can be rearranged\n");
fprintf(stderr," - multiple copies of a column can be output\n");
fprintf(stderr," - for duplicated labels, only the last column matching is output\n");
fprintf(stderr," - the line-count will be preserved (blank lines are output)\n");
fprintf(stderr," - missing columns will be replaced by a delimiter\n");
fprintf(stderr,"\nUSAGE: %s [input] [labels] [options]\n",thisprog);
fprintf(stderr," [input]: file name or \"stdin\"\n");
fprintf(stderr," [labels]: comma-separated list of column labels\n");
fprintf(stderr,"\nVALID OPTIONS (defaults in []):\n");
fprintf(stderr," [-n]: labels are numeric (1) instead of defined by header (0) [%d]\n",setnumeric);
fprintf(stderr," [-s]: skip #-comments and blank lines (0=NO 1=YES) [%d]\n",setskip);
fprintf(stderr," NOTE: \"#\" must be first character on the line\n");
fprintf(stderr," NOTE: blank lines cannot contain spaces or tabs\n");
fprintf(stderr," [-o]: omit outputting header-line (0=NO, 1=YES) [%d]\n",setomithead);
fprintf(stderr," [-d]: characters to use as column-delimiters (unset by default)\n");
fprintf(stderr," if unset:\n");
fprintf(stderr," - white-space (blanks,tabs) are used\n");
fprintf(stderr," - multiple consecutive delimiters are treated as one delimiter\n");
fprintf(stderr," - suitable for reading files without \"empty\" columns\n");
fprintf(stderr," if set:\n");
fprintf(stderr," - behaviour is similar to the linux \"cut\" command\n");
fprintf(stderr," - any matching delimiter in the input marks a new column\n");
fprintf(stderr," - multiple consecutive delimiters signify \"empty\" colmns\n");
fprintf(stderr," - suitable for reading CSV files, for example\n");
fprintf(stderr," [-c]: just count the words on each line (0=NO 1=YES) [%d]\n",setcount);
fprintf(stderr,"\nEXAMPLES:\n");
fprintf(stderr," %s data.txt name,phone,address\n",thisprog);
fprintf(stderr," cat temp.txt | %s stdin phone,name,name -d \"\\t \"\n",thisprog);
fprintf(stderr,"\nOUTPUT:\n");
fprintf(stderr," the labelled columns, in the order and number specified\n");
fprintf(stderr,"----------------------------------------------------------------------\n");
fprintf(stderr,"\n");
exit(0);
}
/* READ THE FILENAME AND OPTIONAL ARGUMENTS */
infile= argv[1];
setkeys= argv[2];
for(ii=3;ii<argc;ii++) {
if( *(argv[ii]+0) == '-') {
if((ii+1)>=argc) {fprintf(stderr,"\n--- Error [%s]: missing value for argument \"%s\"\n\n",thisprog,argv[ii]); exit(1);}
else if(strcmp(argv[ii],"-n")==0) setnumeric= atoi(argv[++ii]);
else if(strcmp(argv[ii],"-s")==0) setskip= atoi(argv[++ii]);
else if(strcmp(argv[ii],"-o")==0) setomithead= atoi(argv[++ii]);
else if(strcmp(argv[ii],"-d")==0) {
setdelimiters=1;
sprintf(delimiters,"%s",xf_strescape1(argv[++ii]));
}
else if(strcmp(argv[ii],"-c")==0) setcount= atoi(argv[++ii]);
else {fprintf(stderr,"\n--- Error [%s]: invalid command line argument \"%s\"\n\n",thisprog,argv[ii]); exit(1);}
}}
if(setomithead!=0 && setomithead!=1) { fprintf(stderr,"\n--- Error [%s]: invalid -o [%d] must be 0 or 1\n\n",thisprog,setomithead);exit(1);}
if(setskip!=0 && setskip!=1) { fprintf(stderr,"\n--- Error [%s]: invalid -s [%d] must be 0 or 1\n\n",thisprog,setskip);exit(1);}
if(setnumeric!=0 && setnumeric!=1) { fprintf(stderr,"\n--- Error [%s]: invalid -n [%d] must be 0 or 1\n\n",thisprog,setnumeric);exit(1);}
if(setdelimiters==0) sprintf(delimout,"\t");
else if(setdelimiters==1) sprintf(delimout,"%c",delimiters[0]);
if(setcount!=0 && setcount!=1) { fprintf(stderr,"\n--- Error [%s]: invalid -c [%d] must be 0 or 1\n\n",thisprog,setcount);exit(1);}
/* BUILD THE LIST OF KEYWORDS */
/* key is an array of pointers to portions of setkeys, and hence to the list of keywords stored in argv[] */
if((key=(char **)realloc(key,(strlen(setkeys)*sizeof(char *))))==NULL) {fprintf(stderr,"\n--- Error [%s]: insufficient memory\n\n",thisprog);exit(1);};
/* build a list if indices to the start of each word in the list, and convert the commas to NULLS ('\0') */
nkeys=0; start= xf_lineparse2(setkeys,",",&nkeys);
/* point each key to the portion of setkeys containing a keyword */
for(jj=0;jj<nkeys;jj++) key[jj]=&setkeys[start[jj]];
/* ASSIGN SUFFICIENT MEMORY FOR KEY COLUMNS */
if((keycol=(long *)realloc(keycol,(nkeys)*sizeof(long)))==NULL) {fprintf(stderr,"\n--- Error [%s]: insufficient memory\n\n",thisprog);exit(1);};
for(ii=0;ii<nkeys;ii++) keycol[ii]=-1;
/* IF COLUMN DEFINITION IS NUMERIC, CONVERT LABELS TO NUMBERS... */
if(setnumeric==1) for(ii=0;ii<nkeys;ii++) keycol[ii]= atol(setkeys+start[ii])-1;
//TEST: for(ii=0;ii<nkeys;ii++) printf("key_%d:%s:\n",ii,setkeys+start[ii]);exit(0);
/* READ THE INPUT */
if(strcmp(infile,"stdin")==0) fpin=stdin;
else if((fpin=fopen(infile,"r"))==0) {fprintf(stderr,"\n--- Error [%s]: file \"%s\" not found\n\n",thisprog,infile);exit(1);}
nn=0;
while((line=xf_lineread1(line,&maxlinelen,fpin))!=NULL) {
if(maxlinelen==-1) {fprintf(stderr,"\n--- Error [%s]: readline function encountered insufficient memory\n\n",thisprog);exit(1);}
/* SKIP BLANK OR COMMENTED LINES */
if(setskip==1){ if(line[0]=='#' || strlen(line)<2) continue; }
/* IF THIS IS THE FIRST LINE, LOOK FOR THE LABELS (KEYS) */
if(nn++==0 && setnumeric==0) {
/* break up the original line using NULL characters at delimiters, and find indices to the start of each "word" */
if(setdelimiters==0) start= xf_lineparse1(line,&nwords);
else start= xf_lineparse2(line,delimiters,&nwords);
/* just count the words */
if(setcount==1) { printf("%ld\n",nwords); continue; }
/* look for matches between words and keys */
for(ii=0;ii<nwords;ii++) {
pword= (line+start[ii]);
for(jj=0;jj<nkeys;jj++) if(strcmp(key[jj],pword)==0) keycol[jj]= ii;
}
/* readjust key columns - drop if it doesn't exist - exit if no key columns were found */
mm=nkeys; kk=nkeys-1; for(ii=0;ii<nkeys;ii++) { if(keycol[ii]<0) { mm--; for(jj=ii;jj<kk;jj++) { keycol[jj]=keycol[(jj+1)]; }}}
nkeys=mm; if(nkeys<1) exit(0);
/* output a new header line containing the labels that matched keys */
if(setomithead==0) {
printf("%s",line+start[keycol[0]]);
for(ii=1;ii<nkeys;ii++) printf("%s%s",delimout,line+start[keycol[ii]]);
printf("\n");
}}
/* FOR ALL OTHER LINES, OUTPUT THE APPROPRIATE COLUMNS */
else {
/* break up line using NULL characters at delimiters, and find indices to the start of each "word" */
if(setdelimiters==0) start= xf_lineparse1(line,&nwords);
else start= xf_lineparse2(line,delimiters,&nwords);
/* just count the words */
if(setcount==1) { printf("%ld\n",nwords); continue; }
/* output the appropriate columns */
if(nwords>0) {
/* handle the first key - do not print preceeding delimiter */
jj= keycol[0]; // key-column (zero-offset)
kk= start[jj]; // actual start-position in line[], -1 if not found
if(kk>=0 && jj<nwords) printf("%s",line+kk); // if key exists, print it - no preceeding delimiter
/* handle the subsequent keys */
for(ii=1;ii<nkeys;ii++) {
jj= keycol[ii];
kk= start[jj];
if(kk>=0 && jj<nwords) printf("%s%s",delimout,line+kk);
else printf("%s",delimout);
}
}
printf("\n");
}
}
if(strcmp(infile,"stdin")!=0) fclose(fpin);
if(line!=NULL) free(line);
if(keycol!=NULL) free(keycol);
if(start!=NULL) free(start);
exit(0);
}
|
the_stack_data/32418.c
|
int payment(float value, char status[20])
{
char estudante[20] = "estudante";
char vip[20] = "vip";
char regular[20] = "regular";
char aposentado[20] = "aposentado";
int isValid = 0;
if(value < 0.01f || value > 99999.00f){
return 1;
}
if(!strcmp(status,estudante)){ isValid = 1;
}else if(!strcmp(status,vip)){ isValid = 1;
}else if(!strcmp(status,regular)){ isValid = 1;
}else if(!strcmp(status,aposentado)){ isValid = 1;
}
if(!isValid){
return 2;
}
return 0;
}
|
the_stack_data/34513063.c
|
// This file is part of CPAchecker,
// a tool for configurable software verification:
// https://cpachecker.sosy-lab.org
//
// SPDX-FileCopyrightText: 2007-2020 Dirk Beyer <https://www.sosy-lab.org>
//
// SPDX-License-Identifier: Apache-2.0
/* Generated by CIL v. 1.3.7 */
/* print_CIL_Input is true */
#line 1 "nested1.c"
int main(void)
{ int a ;
int __cil_tmp2 ;
{
#line 2
a = 6;
#line 5
a = 0;
{
#line 5
while (1) {
while_0_continue: /* CIL Label */ ;
#line 5
if (a < 6) {
} else {
goto while_0_break;
}
#line 5
a = a + 1;
}
while_0_break: /* CIL Label */ ;
}
{
#line 8
__cil_tmp2 = a == 6;
#line 8
if (! __cil_tmp2) {
ERROR:
goto ERROR;
} else {
}
}
#line 11
return (1);
}
}
|
the_stack_data/153863.c
|
// RUN: %clang_cc1 -triple riscv32 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple riscv32 -emit-llvm -fforce-enable-int128 %s -o - \
// RUN: | FileCheck %s -check-prefixes=CHECK,CHECK-FORCEINT128
// RUN: %clang_cc1 -triple riscv32 -target-feature +f -target-abi ilp32f -emit-llvm %s -o - \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -triple riscv32 -target-feature +d -target-feature +f -target-abi ilp32d -emit-llvm %s -o - \
// RUN: | FileCheck %s
// This file contains test cases that will have the same output for the ilp32,
// ilp32f, and ilp32d ABIs.
#include <stddef.h>
#include <stdint.h>
// CHECK-LABEL: define{{.*}} void @f_void()
void f_void(void) {}
// Scalar arguments and return values smaller than the word size are extended
// according to the sign of their type, up to 32 bits
// CHECK-LABEL: define{{.*}} zeroext i1 @f_scalar_0(i1 zeroext %x)
_Bool f_scalar_0(_Bool x) { return x; }
// CHECK-LABEL: define{{.*}} signext i8 @f_scalar_1(i8 signext %x)
int8_t f_scalar_1(int8_t x) { return x; }
// CHECK-LABEL: define{{.*}} zeroext i8 @f_scalar_2(i8 zeroext %x)
uint8_t f_scalar_2(uint8_t x) { return x; }
// CHECK-LABEL: define{{.*}} i32 @f_scalar_3(i32 %x)
int32_t f_scalar_3(int32_t x) { return x; }
// CHECK-LABEL: define{{.*}} i64 @f_scalar_4(i64 %x)
int64_t f_scalar_4(int64_t x) { return x; }
#ifdef __SIZEOF_INT128__
// CHECK-FORCEINT128-LABEL: define{{.*}} i128 @f_scalar_5(i128 %x)
__int128_t f_scalar_5(__int128_t x) { return x; }
#endif
// CHECK-LABEL: define{{.*}} float @f_fp_scalar_1(float %x)
float f_fp_scalar_1(float x) { return x; }
// CHECK-LABEL: define{{.*}} double @f_fp_scalar_2(double %x)
double f_fp_scalar_2(double x) { return x; }
// Scalars larger than 2*xlen are passed/returned indirect. However, the
// RISC-V LLVM backend can handle this fine, so the function doesn't need to
// be modified.
// CHECK-LABEL: define{{.*}} fp128 @f_fp_scalar_3(fp128 %x)
long double f_fp_scalar_3(long double x) { return x; }
// Empty structs or unions are ignored.
struct empty_s {};
// CHECK-LABEL: define{{.*}} void @f_agg_empty_struct()
struct empty_s f_agg_empty_struct(struct empty_s x) {
return x;
}
union empty_u {};
// CHECK-LABEL: define{{.*}} void @f_agg_empty_union()
union empty_u f_agg_empty_union(union empty_u x) {
return x;
}
// Aggregates <= 2*xlen may be passed in registers, so will be coerced to
// integer arguments. The rules for return are the same.
struct tiny {
uint8_t a, b, c, d;
};
// CHECK-LABEL: define{{.*}} void @f_agg_tiny(i32 %x.coerce)
void f_agg_tiny(struct tiny x) {
x.a += x.b;
x.c += x.d;
}
// CHECK-LABEL: define{{.*}} i32 @f_agg_tiny_ret()
struct tiny f_agg_tiny_ret() {
return (struct tiny){1, 2, 3, 4};
}
typedef uint8_t v4i8 __attribute__((vector_size(4)));
typedef int32_t v1i32 __attribute__((vector_size(4)));
// CHECK-LABEL: define{{.*}} void @f_vec_tiny_v4i8(i32 %x.coerce)
void f_vec_tiny_v4i8(v4i8 x) {
x[0] = x[1];
x[2] = x[3];
}
// CHECK-LABEL: define{{.*}} i32 @f_vec_tiny_v4i8_ret()
v4i8 f_vec_tiny_v4i8_ret() {
return (v4i8){1, 2, 3, 4};
}
// CHECK-LABEL: define{{.*}} void @f_vec_tiny_v1i32(i32 %x.coerce)
void f_vec_tiny_v1i32(v1i32 x) {
x[0] = 114;
}
// CHECK-LABEL: define{{.*}} i32 @f_vec_tiny_v1i32_ret()
v1i32 f_vec_tiny_v1i32_ret() {
return (v1i32){1};
}
struct small {
int32_t a, *b;
};
// CHECK-LABEL: define{{.*}} void @f_agg_small([2 x i32] %x.coerce)
void f_agg_small(struct small x) {
x.a += *x.b;
x.b = &x.a;
}
// CHECK-LABEL: define{{.*}} [2 x i32] @f_agg_small_ret()
struct small f_agg_small_ret() {
return (struct small){1, 0};
}
typedef uint8_t v8i8 __attribute__((vector_size(8)));
typedef int64_t v1i64 __attribute__((vector_size(8)));
// CHECK-LABEL: define{{.*}} void @f_vec_small_v8i8(i64 %x.coerce)
void f_vec_small_v8i8(v8i8 x) {
x[0] = x[7];
}
// CHECK-LABEL: define{{.*}} i64 @f_vec_small_v8i8_ret()
v8i8 f_vec_small_v8i8_ret() {
return (v8i8){1, 2, 3, 4, 5, 6, 7, 8};
}
// CHECK-LABEL: define{{.*}} void @f_vec_small_v1i64(i64 %x.coerce)
void f_vec_small_v1i64(v1i64 x) {
x[0] = 114;
}
// CHECK-LABEL: define{{.*}} i64 @f_vec_small_v1i64_ret()
v1i64 f_vec_small_v1i64_ret() {
return (v1i64){1};
}
// Aggregates of 2*xlen size and 2*xlen alignment should be coerced to a
// single 2*xlen-sized argument, to ensure that alignment can be maintained if
// passed on the stack.
struct small_aligned {
int64_t a;
};
// CHECK-LABEL: define{{.*}} void @f_agg_small_aligned(i64 %x.coerce)
void f_agg_small_aligned(struct small_aligned x) {
x.a += x.a;
}
// CHECK-LABEL: define{{.*}} i64 @f_agg_small_aligned_ret(i64 %x.coerce)
struct small_aligned f_agg_small_aligned_ret(struct small_aligned x) {
return (struct small_aligned){10};
}
// Aggregates greater > 2*xlen will be passed and returned indirectly
struct large {
int32_t a, b, c, d;
};
// CHECK-LABEL: define{{.*}} void @f_agg_large(%struct.large* %x)
void f_agg_large(struct large x) {
x.a = x.b + x.c + x.d;
}
// The address where the struct should be written to will be the first
// argument
// CHECK-LABEL: define{{.*}} void @f_agg_large_ret(%struct.large* noalias sret(%struct.large) align 4 %agg.result, i32 %i, i8 signext %j)
struct large f_agg_large_ret(int32_t i, int8_t j) {
return (struct large){1, 2, 3, 4};
}
typedef unsigned char v16i8 __attribute__((vector_size(16)));
// CHECK-LABEL: define{{.*}} void @f_vec_large_v16i8(<16 x i8>* %0)
void f_vec_large_v16i8(v16i8 x) {
x[0] = x[7];
}
// CHECK-LABEL: define{{.*}} void @f_vec_large_v16i8_ret(<16 x i8>* noalias sret(<16 x i8>) align 16 %agg.result)
v16i8 f_vec_large_v16i8_ret() {
return (v16i8){1, 2, 3, 4, 5, 6, 7, 8};
}
// Scalars passed on the stack should not have signext/zeroext attributes
// (they are anyext).
// CHECK-LABEL: define{{.*}} i32 @f_scalar_stack_1(i32 %a.coerce, [2 x i32] %b.coerce, i64 %c.coerce, %struct.large* %d, i8 zeroext %e, i8 signext %f, i8 %g, i8 %h)
int f_scalar_stack_1(struct tiny a, struct small b, struct small_aligned c,
struct large d, uint8_t e, int8_t f, uint8_t g, int8_t h) {
return g + h;
}
// Ensure that scalars passed on the stack are still determined correctly in
// the presence of large return values that consume a register due to the need
// to pass a pointer.
// CHECK-LABEL: define{{.*}} void @f_scalar_stack_2(%struct.large* noalias sret(%struct.large) align 4 %agg.result, i32 %a, i64 %b, i64 %c, fp128 %d, i8 zeroext %e, i8 %f, i8 %g)
struct large f_scalar_stack_2(int32_t a, int64_t b, int64_t c, long double d,
uint8_t e, int8_t f, uint8_t g) {
return (struct large){a, e, f, g};
}
// CHECK-LABEL: define{{.*}} fp128 @f_scalar_stack_4(i32 %a, i64 %b, i64 %c, fp128 %d, i8 zeroext %e, i8 %f, i8 %g)
long double f_scalar_stack_4(int32_t a, int64_t b, int64_t c, long double d,
uint8_t e, int8_t f, uint8_t g) {
return d;
}
// Aggregates and >=XLen scalars passed on the stack should be lowered just as
// they would be if passed via registers.
// CHECK-LABEL: define{{.*}} void @f_scalar_stack_5(double %a, i64 %b, double %c, i64 %d, i32 %e, i64 %f, float %g, double %h, fp128 %i)
void f_scalar_stack_5(double a, int64_t b, double c, int64_t d, int e,
int64_t f, float g, double h, long double i) {}
// CHECK-LABEL: define{{.*}} void @f_agg_stack(double %a, i64 %b, double %c, i64 %d, i32 %e.coerce, [2 x i32] %f.coerce, i64 %g.coerce, %struct.large* %h)
void f_agg_stack(double a, int64_t b, double c, int64_t d, struct tiny e,
struct small f, struct small_aligned g, struct large h) {}
// Ensure that ABI lowering happens as expected for vararg calls. For RV32
// with the base integer calling convention there will be no observable
// differences in the lowered IR for a call with varargs vs without.
int f_va_callee(int, ...);
// CHECK-LABEL: define{{.*}} void @f_va_caller()
// CHECK: call i32 (i32, ...) @f_va_callee(i32 1, i32 2, i64 3, double 4.000000e+00, double 5.000000e+00, i32 {{%.*}}, [2 x i32] {{%.*}}, i64 {{%.*}}, %struct.large* {{%.*}})
void f_va_caller() {
f_va_callee(1, 2, 3LL, 4.0f, 5.0, (struct tiny){6, 7, 8, 9},
(struct small){10, NULL}, (struct small_aligned){11},
(struct large){12, 13, 14, 15});
}
// CHECK-LABEL: define{{.*}} i32 @f_va_1(i8* %fmt, ...) {{.*}} {
// CHECK: [[FMT_ADDR:%.*]] = alloca i8*, align 4
// CHECK: [[VA:%.*]] = alloca i8*, align 4
// CHECK: [[V:%.*]] = alloca i32, align 4
// CHECK: store i8* %fmt, i8** [[FMT_ADDR]], align 4
// CHECK: [[VA1:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK: call void @llvm.va_start(i8* [[VA1]])
// CHECK: [[ARGP_CUR:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK: [[ARGP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR]], i32 4
// CHECK: store i8* [[ARGP_NEXT]], i8** [[VA]], align 4
// CHECK: [[TMP0:%.*]] = bitcast i8* [[ARGP_CUR]] to i32*
// CHECK: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4
// CHECK: store i32 [[TMP1]], i32* [[V]], align 4
// CHECK: [[VA2:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK: call void @llvm.va_end(i8* [[VA2]])
// CHECK: [[TMP2:%.*]] = load i32, i32* [[V]], align 4
// CHECK: ret i32 [[TMP2]]
// CHECK: }
int f_va_1(char *fmt, ...) {
__builtin_va_list va;
__builtin_va_start(va, fmt);
int v = __builtin_va_arg(va, int);
__builtin_va_end(va);
return v;
}
// An "aligned" register pair (where the first register is even-numbered) is
// used to pass varargs with 2x xlen alignment and 2x xlen size. Ensure the
// correct offsets are used.
// CHECK-LABEL: @f_va_2(
// CHECK: [[FMT_ADDR:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[VA:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[V:%.*]] = alloca double, align 8
// CHECK-NEXT: store i8* [[FMT:%.*]], i8** [[FMT_ADDR]], align 4
// CHECK-NEXT: [[VA1:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_start(i8* [[VA1]])
// CHECK-NEXT: [[ARGP_CUR:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = ptrtoint i8* [[ARGP_CUR]] to i32
// CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 7
// CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], -8
// CHECK-NEXT: [[ARGP_CUR_ALIGNED:%.*]] = inttoptr i32 [[TMP2]] to i8*
// CHECK-NEXT: [[ARGP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR_ALIGNED]], i32 8
// CHECK-NEXT: store i8* [[ARGP_NEXT]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[ARGP_CUR_ALIGNED]] to double*
// CHECK-NEXT: [[TMP4:%.*]] = load double, double* [[TMP3]], align 8
// CHECK-NEXT: store double [[TMP4]], double* [[V]], align 8
// CHECK-NEXT: [[VA2:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_end(i8* [[VA2]])
// CHECK-NEXT: [[TMP5:%.*]] = load double, double* [[V]], align 8
// CHECK-NEXT: ret double [[TMP5]]
double f_va_2(char *fmt, ...) {
__builtin_va_list va;
__builtin_va_start(va, fmt);
double v = __builtin_va_arg(va, double);
__builtin_va_end(va);
return v;
}
// Two "aligned" register pairs.
// CHECK-LABEL: @f_va_3(
// CHECK: [[FMT_ADDR:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[VA:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[V:%.*]] = alloca double, align 8
// CHECK-NEXT: [[W:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[X:%.*]] = alloca double, align 8
// CHECK-NEXT: store i8* [[FMT:%.*]], i8** [[FMT_ADDR]], align 4
// CHECK-NEXT: [[VA1:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_start(i8* [[VA1]])
// CHECK-NEXT: [[ARGP_CUR:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = ptrtoint i8* [[ARGP_CUR]] to i32
// CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 7
// CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], -8
// CHECK-NEXT: [[ARGP_CUR_ALIGNED:%.*]] = inttoptr i32 [[TMP2]] to i8*
// CHECK-NEXT: [[ARGP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR_ALIGNED]], i32 8
// CHECK-NEXT: store i8* [[ARGP_NEXT]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[ARGP_CUR_ALIGNED]] to double*
// CHECK-NEXT: [[TMP4:%.*]] = load double, double* [[TMP3]], align 8
// CHECK-NEXT: store double [[TMP4]], double* [[V]], align 8
// CHECK-NEXT: [[ARGP_CUR2:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT3:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR2]], i32 4
// CHECK-NEXT: store i8* [[ARGP_NEXT3]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[ARGP_CUR2]] to i32*
// CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
// CHECK-NEXT: store i32 [[TMP6]], i32* [[W]], align 4
// CHECK-NEXT: [[ARGP_CUR4:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[TMP7:%.*]] = ptrtoint i8* [[ARGP_CUR4]] to i32
// CHECK-NEXT: [[TMP8:%.*]] = add i32 [[TMP7]], 7
// CHECK-NEXT: [[TMP9:%.*]] = and i32 [[TMP8]], -8
// CHECK-NEXT: [[ARGP_CUR4_ALIGNED:%.*]] = inttoptr i32 [[TMP9]] to i8*
// CHECK-NEXT: [[ARGP_NEXT5:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR4_ALIGNED]], i32 8
// CHECK-NEXT: store i8* [[ARGP_NEXT5]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP10:%.*]] = bitcast i8* [[ARGP_CUR4_ALIGNED]] to double*
// CHECK-NEXT: [[TMP11:%.*]] = load double, double* [[TMP10]], align 8
// CHECK-NEXT: store double [[TMP11]], double* [[X]], align 8
// CHECK-NEXT: [[VA6:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_end(i8* [[VA6]])
// CHECK-NEXT: [[TMP12:%.*]] = load double, double* [[V]], align 8
// CHECK-NEXT: [[TMP13:%.*]] = load double, double* [[X]], align 8
// CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP12]], [[TMP13]]
// CHECK-NEXT: ret double [[ADD]]
double f_va_3(char *fmt, ...) {
__builtin_va_list va;
__builtin_va_start(va, fmt);
double v = __builtin_va_arg(va, double);
int w = __builtin_va_arg(va, int);
double x = __builtin_va_arg(va, double);
__builtin_va_end(va);
return v + x;
}
// CHECK-LABEL: define{{.*}} i32 @f_va_4(i8* %fmt, ...) {{.*}} {
// CHECK: [[FMT_ADDR:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[VA:%.*]] = alloca i8*, align 4
// CHECK-NEXT: [[V:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[LD:%.*]] = alloca fp128, align 16
// CHECK-NEXT: [[TS:%.*]] = alloca [[STRUCT_TINY:%.*]], align 1
// CHECK-NEXT: [[SS:%.*]] = alloca [[STRUCT_SMALL:%.*]], align 4
// CHECK-NEXT: [[LS:%.*]] = alloca [[STRUCT_LARGE:%.*]], align 4
// CHECK-NEXT: [[RET:%.*]] = alloca i32, align 4
// CHECK-NEXT: store i8* [[FMT:%.*]], i8** [[FMT_ADDR]], align 4
// CHECK-NEXT: [[VA1:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_start(i8* [[VA1]])
// CHECK-NEXT: [[ARGP_CUR:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR]], i32 4
// CHECK-NEXT: store i8* [[ARGP_NEXT]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = bitcast i8* [[ARGP_CUR]] to i32*
// CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4
// CHECK-NEXT: store i32 [[TMP1]], i32* [[V]], align 4
// CHECK-NEXT: [[ARGP_CUR2:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT3:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR2]], i32 4
// CHECK-NEXT: store i8* [[ARGP_NEXT3]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[ARGP_CUR2]] to fp128**
// CHECK-NEXT: [[TMP3:%.*]] = load fp128*, fp128** [[TMP2]], align 4
// CHECK-NEXT: [[TMP4:%.*]] = load fp128, fp128* [[TMP3]], align 16
// CHECK-NEXT: store fp128 [[TMP4]], fp128* [[LD]], align 16
// CHECK-NEXT: [[ARGP_CUR4:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT5:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR4]], i32 4
// CHECK-NEXT: store i8* [[ARGP_NEXT5]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[ARGP_CUR4]] to %struct.tiny*
// CHECK-NEXT: [[TMP6:%.*]] = bitcast %struct.tiny* [[TS]] to i8*
// CHECK-NEXT: [[TMP7:%.*]] = bitcast %struct.tiny* [[TMP5]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[TMP6]], i8* align 4 [[TMP7]], i32 4, i1 false)
// CHECK-NEXT: [[ARGP_CUR6:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT7:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR6]], i32 8
// CHECK-NEXT: store i8* [[ARGP_NEXT7]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[ARGP_CUR6]] to %struct.small*
// CHECK-NEXT: [[TMP9:%.*]] = bitcast %struct.small* [[SS]] to i8*
// CHECK-NEXT: [[TMP10:%.*]] = bitcast %struct.small* [[TMP8]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[TMP9]], i8* align 4 [[TMP10]], i32 8, i1 false)
// CHECK-NEXT: [[ARGP_CUR8:%.*]] = load i8*, i8** [[VA]], align 4
// CHECK-NEXT: [[ARGP_NEXT9:%.*]] = getelementptr inbounds i8, i8* [[ARGP_CUR8]], i32 4
// CHECK-NEXT: store i8* [[ARGP_NEXT9]], i8** [[VA]], align 4
// CHECK-NEXT: [[TMP11:%.*]] = bitcast i8* [[ARGP_CUR8]] to %struct.large**
// CHECK-NEXT: [[TMP12:%.*]] = load %struct.large*, %struct.large** [[TMP11]], align 4
// CHECK-NEXT: [[TMP13:%.*]] = bitcast %struct.large* [[LS]] to i8*
// CHECK-NEXT: [[TMP14:%.*]] = bitcast %struct.large* [[TMP12]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[TMP13]], i8* align 4 [[TMP14]], i32 16, i1 false)
// CHECK-NEXT: [[VA10:%.*]] = bitcast i8** [[VA]] to i8*
// CHECK-NEXT: call void @llvm.va_end(i8* [[VA10]])
int f_va_4(char *fmt, ...) {
__builtin_va_list va;
__builtin_va_start(va, fmt);
int v = __builtin_va_arg(va, int);
long double ld = __builtin_va_arg(va, long double);
struct tiny ts = __builtin_va_arg(va, struct tiny);
struct small ss = __builtin_va_arg(va, struct small);
struct large ls = __builtin_va_arg(va, struct large);
__builtin_va_end(va);
int ret = (int)((long double)v + ld);
ret = ret + ts.a + ts.b + ts.c + ts.d;
ret = ret + ss.a + (int)ss.b;
ret = ret + ls.a + ls.b + ls.c + ls.d;
return ret;
}
|
the_stack_data/75136791.c
|
int (**x[4]) (int,int,int);
int (*(*y)[10]) (int,int,int);
extern int (nar) (int x,int y,int z);
int nar (int x,int y,int z) {
return 3;
}
typedef int bar;
static int g;
static int narn (int x,int y,int z) {
return (x+y+z);
}
void main ()
{ int (**x1) (int,int,int);
int (*x2) (int,int,int);
int (**y1) (int,int,int);
int (*y2) (int,int,int);
int i,j;
*x[1] = &nar;
x1 = x[1];
x2 = *x1;
y1 = *y;
y2 = y1[0];
i = (*x2) (4,5,6);
j = (*y2)(4,5,6);
return;
}
|
the_stack_data/533981.c
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/types.h> /* See NOTES */
#include <netinet/tcp.h>
/*Add long connection for client to server*/
void long_connection_set(int sockfd)
{
int ret;
int keepalive = 1;
int keepvalue = 60;
int keepdetec = 5;
int keepcount = 5;
ret = setsockopt(sockfd,SOL_SOCKET,SO_KEEPALIVE,(void*)&keepalive,sizeof(keepalive));
if (-1 == ret)
return;
ret = setsockopt(sockfd,SOL_TCP,TCP_KEEPIDLE,(void*)&keepvalue,sizeof(keepvalue));
if (-1 == ret)
return;
ret = setsockopt(sockfd,SOL_TCP,TCP_KEEPINTVL,(void*)&keepdetec,sizeof(keepdetec));
if (-1 == ret)
return;
ret = setsockopt(sockfd,SOL_TCP,TCP_KEEPCNT,(void*)&keepcount,sizeof(keepcount));
if (-1 == ret)
return;
}
|
the_stack_data/272006.c
|
/* C-examples/intro/cp2.c */
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
int c;
/* The parentheses around c = getchar() are required because
the operator != has higher precedence than = operator */
while ((c = getchar()) != EOF ) {
putchar(c);
printf("hello");
}
return 0;
}
|
the_stack_data/1144278.c
|
/*
This file was created to practice and learn more about C,
before finally creating the bitFlipsRamTest.c program
*/
#include <stdio.h>
#include <stdlib.h>
int main (int argc, char *argv[]) {
int test = 0;
int *p = &test;
//int **pp = &p;
printf("the address of test is: %p\nthe value of test pointer is: %d\n\n", (void*)&test, *p);
// convert address to char string
char *address_p = (void*)&test;
printf("setting test = 1\n\n");
test = 1;
printf("the address of test is: %p\nthe value of test pointer is: %d\n\n\n", (void*)&test, *p);
/*
The C standard permits you to cast
an address of memory that you own to an unsigned char*:
unsigned char* p = (unsigned_char*)someaddress;
You can then extract the memory one byte at a time
using pointer arithmetic on p. Be careful not to go
beyond the memory that you own - bear in mind that
and int could be as small as 16 bits.*/
// creating an array of the exact size we want (1MB to start, actually we want 64MB)
int *data;
printf("sizeof(int) == 4 -> %d\n", (sizeof(int) == 4));
printf("sizeof(int) -> %ld\n\n", sizeof(int));
printf("data address: L%p\n\n", (void*)&data);
int val2 = 1;
int val3 = 2;
int val4 = 128;
int *p2 = &val2;
int *p3 = &val3;
int *p4 = &val4;
unsigned char *bytep1 = (unsigned char*)p; // int val of 1
unsigned char *bytep2 = (unsigned char*)p2; // int val of 1
unsigned char *bytep3 = (unsigned char*)p3; // int val of 2
unsigned char *bytep4 = (unsigned char*)p4; // int val of 128
//@TODO test increments of 4 of the value of byteps
for (int i = 0; i < 32; i++) {
printf("bytep1[%d]: %d\tbytep2[%d]: %d\tbytep3[%d]: %d\tbytep4[%d]: %d\n", i, bytep1[i], i, bytep2[i], i, bytep3[i], i, bytep4[i]);
//printf("bytep[0]: %d\nbytep[1]: %d\n");
// ((2^7)-1) 255 seems to be the max value I'm seeing...
if (bytep1[i] == 255) { //@TODO do the same for the rest, but break it up the above printf statement into 4 different ones for that.
// i.e. handle it case by case
printf(" <-- found 255!!! ");
}
}
/*int bytes = (1024);
data = (int *) malloc(bytes);
for (int i = 0; i < bytes; i++) {
data[i] = rand();
printf("%d", data[i]);
if (i < bytes - 1) {
printf(",");
}
}
printf("\n\nDone.");
free(data);
*/
return 0;
}
|
the_stack_data/192331301.c
|
#define _GNU_SOURCE
#include <search.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <assert.h>
static int tab[12];
static int cnt = 0;
static int compare(const void *pa, const void *pb) {
if (*(int *) pa < *(int *) pb)
return -1;
if (*(int *) pa > *(int *) pb)
return 1;
return 0;
}
static void action(const void *nodep, VISIT which, int depth) {
int *datap;
switch (which) {
case preorder:
break;
case postorder:
datap = *(int **) nodep;
assert(*datap == tab[cnt++]);
printf("%6d\n", *datap);
break;
case endorder:
break;
case leaf:
datap = *(int **) nodep;
assert(*datap == tab[cnt++]);
printf("%6d\n", *datap);
break;
}
}
int main(void) {
int ptr[12];
void *val = NULL;
void *root = NULL;
for (int i = 0; i < 12; i++) {
ptr[i] = i & 0xff;
tab[i] = ptr[i];
val = tsearch(&ptr[i], &root, compare);
assert(val);
}
twalk(root, action);
tdestroy(root, free);
return 0;
}
|
the_stack_data/33790.c
|
#include <stdio.h>
int main(){
//Escreva um algoritmo para ler o salário mensal atual de um funcionário e o percentual de reajuste.
//Calcular e escrever o valor do novo salário
double salario_atual;
double reajuste_salario;
double novo_salario;
printf("Digite o valor do seu salario:");
scanf("%lf",&salario_atual);
printf("Digite quantos porcento de reajuste:");
scanf("%lf",&reajuste_salario);
novo_salario=(salario_atual*reajuste_salario/100);
novo_salario=salario_atual+novo_salario;
printf("Seu novo salario e:%.2lf",novo_salario);
}
|
the_stack_data/59081.c
|
/* ヘッダファイルのインクルード */
#include <stdio.h> /* 標準入出力 */
#include <string.h> /* 文字列処理 */
#include <unistd.h> /* UNIX標準 */
#include <sys/types.h> /* 派生型 */
#include <sys/socket.h> /* ソケット */
#include <arpa/inet.h> /* IPアドレス変換 */
/* main関数の定義 */
int main(void){
/* 変数の宣言 */
int soc; /* リッスン(待ち受け)するサーバのソケットファイルディスクリプタsoc. */
struct sockaddr_in server_addr; /* IPアドレスやポート番号などのIPv4インターネット情報を持つサーバのsockaddr_in構造体server_addr. */
int optval = 1; /* セットするオプションの値optvalを1に初期化. */
int acc; /* アクセプト(接続を受理)したクライアントのソケットファイルディスクリプタacc. */
struct sockaddr_in client_addr; /* クライアントのsockaddr_in構造体client_addr. */
int client_addr_len; /* クライアントのsockaddr_in構造体client_addrの長さclient_addr_len. */
char *client_ip_addr_str; /* クライアントのIPアドレス文字列へのポインタclient_ip_addr_str. */
u_short client_port; /* クライアントのポート番号client_port. */
char buf[256]; /* クライアントからのメッセージ文字列を受け取るバッファbuf.(長さ256) */
int exit_flg = 0; /* メッセージ処理ループを抜けるかどうかのフラグexit_flg.(exit_flg == 1のとき, メッセージ処理ループから抜ける.) */
int recv_len; /* 受信したメッセージ文字列の長さrecv_len. */
/* ソケットの作成 */
soc = socket(AF_INET, SOCK_STREAM, 0); /* socketでソケットを作成し, ソケットファイルディスクリプタをfdに格納. */
if (soc == -1){ /* socが-1の時はエラー. */
/* エラー処理 */
printf("socket error!\n"); /* "socket error!"と出力. */
return -1; /* -1を返す. */
}
/* socの値を出力. */
printf("soc = %d\n", soc); /* printfでsocの値を出力. */
/* バインドするアドレス情報server_addrの設定. */
server_addr.sin_family = AF_INET; /* IPv4インターネットのアドレス・ファミリーAF_INET */
server_addr.sin_port = htons(3000); /* ポート番号3000番をhtonsで変換してセット. */
server_addr.sin_addr.s_addr = INADDR_ANY; /* すべてのローカルインターフェイスにバインドする. */
/* オプションSO_REUSEADDRの有効化. */
if (setsockopt(soc, SOL_SOCKET, SO_REUSEADDR, (const char *)&optval, sizeof(optval)) == -1){ /* setsockoptでSO_REUSEADDRを有効化.(-1ならエラー.) */
/* エラー処理 */
printf("setsockopt(SO_REUSEADDR) error!\n"); /* "setsockopt(SO_REUSEADDR) error!"と出力. */
close(soc); /* closeでsocを閉じる. */
return -1; /* -1を返す. */
}
/* 成功したら"setsockopt(SO_REUSEADDR) success." */
printf("setsockopt(SO_REUSEADDR) success.\n"); /* printfで"setsockopt(SO_REUSEADDR) success."と出力. */
/* socにserver_addrをバインド(紐付け)する. */
if (bind(soc, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1){ /* 戻り値が-1の時はエラー. */
/* エラー処理 */
printf("bind error!\n"); /* "bind error!"と出力. */
close(soc); /* closeでsocを閉じる. */
return -1; /* -1を返す. */
}
/* 成功したら"bind success." */
printf("bind success.\n"); /* printfで"bind success."と出力. */
/* リッスン(待ち受け)開始. */
if (listen(soc, 5) == -1){ /* listenで上限5つまで接続を待ち受ける.(戻り値が-1の時はエラー.) */
/* エラー処理 */
printf("listen error!\n"); /* "listen error!"と出力. */
close(soc); /* closeでsocを閉じる. */
return -1; /* -1を返す. */
}
/* 成功したら"listen success." */
printf("listen success.\n"); /* printfで"listen success."と出力. */
/* acceptに渡すclient_addr_lenのセット. */
client_addr_len = sizeof(client_addr); /* client_addr_lenにsizeof(client_addr)でサイズをセット.(これをやらないと, クライアント情報がclient_addrに格納されない.) */
/* アクセプト(接続受理)待ち */
acc = accept(soc, (struct sockaddr *)&client_addr, &client_addr_len); /* acceptでアクセプトしたら, クライアントソケットをaccに格納. */
if (acc == -1){ /* accが-1の時はエラー. */
/* エラー処理 */
printf("accept error!\n"); /* "accept error!"と出力. */
close(soc); /* closeでsocを閉じる. */
return -1; /* -1を返す. */
}
/* クライアント情報の表示 */
client_ip_addr_str = inet_ntoa(client_addr.sin_addr); /* inet_ntoaでクライアントのclient_addr.sin_addrをIPアドレス文字列に変換. */
client_port = ntohs(client_addr.sin_port); /* ntohsでクライアントのclient_addr.sin_portを符号なし10進整数のポート番号に変換. */
printf("accept!(IPAddress = %s, Port = %hu)\n", client_ip_addr_str, client_port); /* IPアドレスとポートを表示. */
/* メッセージ処理ループ */
while (!exit_flg){ /* exit_flg == 1なら, このループから抜ける. */
/* バッファをクリア. */
memset(buf, 0, sizeof(char) * 256); /* memsetでbufを0で埋める. */
/* クライアントからのメッセージを受け取る. */
recv_len = recv(acc, buf, sizeof(char) * 256, 0); /* recvでaccからのメッセージを読込み, bufに格納.(読み込んだメッセージの長さをrecv_lenに格納.) */
/* 改行コードの除去 */
buf[recv_len - 1] = '\0'; /* "\r\n"がbufに入ってしまうので, 最後の文字から"\n"を除去. */
buf[recv_len - 2] = '\0'; /* "\r\n"がbufに入ってしまうので, 最後から2番目の文字から"\r"を除去. */
/* "end"が格納されていたら, メッセージ処理ループを抜ける. */
if (strcmp(buf, "end") == 0){ /* strcmpでbufが"end"なら. */
/* 抜ける. */
exit_flg = 1; /* exitを1とする. */
}
else{ /* そうでない場合は標準出力に出力した後, 改行コードを再び付けてクライアントに送り返す. */
/* bufの内容を出力. */
printf("%s\n", buf); /* printfでbufの内容を出力. */
/* 除去した改行コードを再び付ける. */
buf[recv_len - 1] = '\n'; /* '\n'を付ける. */
buf[recv_len - 2] = '\r'; /* '\r'を付ける. */
/* bufの内容を送り返す. */
send(acc, buf, strlen(buf), 0); /* sendでbufの内容を返す. */
}
}
/* アクセプトしたクライアントソケットファイルディスクリプタを閉じる. */
close(acc); /* closeでaccを閉じる. */
/* サーバソケットファイルディスクリプタを閉じる. */
close(soc); /* closeでsocを閉じる. */
/* プログラムの終了 */
return 0;
}
|
the_stack_data/151530.c
|
void fence() { asm("sync"); }
void lwfence() { asm("lwsync"); }
void isync() { asm("isync"); }
int __unbuffered_cnt=0;
int __unbuffered_p0_r1=0;
int __unbuffered_p0_r3=0;
int __unbuffered_p1_r1=0;
int __unbuffered_p1_r3=0;
int __unbuffered_p2_r1=0;
int __unbuffered_p2_r3=0;
int x=0;
int y=0;
void * P0(void * arg) {
__unbuffered_p0_r1 = 1;
y = __unbuffered_p0_r1;
fence();
__unbuffered_p0_r3 = y;
// Instrumentation for CPROVER
fence();
__unbuffered_cnt++;
}
void * P1(void * arg) {
__unbuffered_p1_r1 = 2;
y = __unbuffered_p1_r1;
lwfence();
__unbuffered_p1_r3 = x;
// Instrumentation for CPROVER
fence();
__unbuffered_cnt++;
}
void * P2(void * arg) {
__unbuffered_p2_r1 = 1;
x = __unbuffered_p2_r1;
lwfence();
__unbuffered_p2_r3 = y;
// Instrumentation for CPROVER
fence();
__unbuffered_cnt++;
}
int main() {
__CPROVER_ASYNC_0: P0(0);
__CPROVER_ASYNC_1: P1(0);
__CPROVER_ASYNC_2: P2(0);
__CPROVER_assume(__unbuffered_cnt==3);
fence();
// EXPECT:exists
__CPROVER_assert(!(y==2 && __unbuffered_p0_r3==1 && __unbuffered_p1_r3==0 && __unbuffered_p2_r3==0), "Program proven to be relaxed for PPC, model checker says YES.");
return 0;
}
|
the_stack_data/1186.c
|
// RUN: %clang_cc1 -fprofile-instr-generate -fcoverage-mapping -dump-coverage-mapping -emit-llvm37-only %s | FileCheck %s
#define x1 "" // ...
#define x2 return 0
// CHECK: main
int main() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+3]]:2 = #0
x1; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:3 -> [[@LINE]]:5 = #0
x2; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:3 -> [[@LINE]]:5 = #0
}
// CHECK-NEXT: File 1, 3:12 -> 3:14 = #0
// CHECK-NEXT: File 2, 4:12 -> 4:20 = #0
|
the_stack_data/76700635.c
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_count_if.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: atamraka <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/06/08 06:49:09 by atamraka #+# #+# */
/* Updated: 2021/06/08 06:53:33 by atamraka ### ########.fr */
/* */
/* ************************************************************************** */
int ft_count_if(char **tab, int (*f)(char*))
{
int i;
int count;
i = 0;
count = 0;
while (tab[i] != 0)
{
if ((*f)(tab[i]))
{
count++;
}
i++;
}
return (count);
}
|
the_stack_data/125141159.c
|
#include <stdio.h>
#include <stdlib.h>
#include<locale.h>
/*O programa escreve a tabuada do 5.*/
int main()
{
setlocale(LC_ALL, "Portuguese");
int count;
count = 1;
while(count <= 10)
{
printf("5 * %2d = %2d\n", count, 5 * count);
count++;
}
printf("\n\n");
system("pause");
return 0;
}
|
the_stack_data/58309.c
|
/*
Execrcio 13
*/
#include <stdio.h>
int main()
{
float peso, salario;
char sexo;
int i;
float media_peso, soma_peso=0;
float media_sal_h, soma_sal_h=0;
int i_peso=0, i_sal_h=0;
for(i=1; i<=4; i++)
{
printf("\n Entre com Peso:");
scanf("%f", &peso);
printf("\n Entre com salario:");
scanf("%f", &salario);
printf("\n Entre com sexo:");
scanf(" %c", &sexo);
if ( sexo == 'm')
{
if( (salario>=1000) && (salario<=3000) )
{
soma_sal_h = soma_sal_h + salario;
i_sal_h++;
}
}
else
{
if(peso>50)
{
soma_peso = soma_peso + salario;
i_peso++;
}
}
}
printf("\n media_sal_h = %f", (float) soma_sal_h/i_sal_h );
printf("\n soma_peso = %f", (float) soma_peso/i_peso );
return 0;
}
|
the_stack_data/18887446.c
|
extern void __VERIFIER_error(void);
extern int __VERIFIER_nondet_int(void);
extern void exit(int);
// inputs
int inputD = 4;
int inputB = 2;
int inputE = 5;
int inputA = 1;
int inputF = 6;
int inputC = 3;
int a4 = -89;
int a29 = -127;
int a2 = 1;
int a0 = -44;
int calculate_output2(int input);
int calculate_output(int input) {
if(((((a2==1) && a4 <= -86 ) && a0 <= -147 ) && ((-144 < a29) && (-16 >= a29)) )){
error_0: __VERIFIER_error();
}
if(((((a2==3) && a4 <= -86 ) && a0 <= -147 ) && ((-16 < a29) && (43 >= a29)) )){
error_9: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && a0 <= -147 ) && 43 < a29 )){
error_18: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && a29 <= -144 )){
error_47: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && a0 <= -147 ) && a29 <= -144 )){
error_7: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && a29 <= -144 )){
error_39: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && 43 < a29 )){
error_50: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && 43 < a29 )){
error_34: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && 43 < a29 )){
error_30: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && a0 <= -147 ) && 43 < a29 )){
error_14: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && a29 <= -144 )){
error_51: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )){
error_23: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && 43 < a29 )){
error_22: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && a0 <= -147 ) && a29 <= -144 )){
error_15: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_37: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_29: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_33: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && a0 <= -147 ) && a29 <= -144 )){
error_3: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_25: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_41: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_40: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_48: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && a0 <= -147 ) && 43 < a29 )){
error_2: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_45: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && 43 < a29 )){
error_38: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && a0 <= -147 ) && ((-144 < a29) && (-16 >= a29)) )){
error_4: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_28: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_56: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && a0 <= -147 ) && 43 < a29 )){
error_10: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && a0 <= -147 ) && a29 <= -144 )){
globalError: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )){
error_35: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )){
error_27: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_24: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_52: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && 43 < a29 )){
error_54: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_57: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_20: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && 43 < a29 )){
error_46: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && a0 <= -147 ) && ((-16 < a29) && (43 >= a29)) )){
error_1: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )){
error_19: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && 43 < a29 )){
error_42: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_53: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && a0 <= -147 ) && ((-16 < a29) && (43 >= a29)) )){
error_13: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_32: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && 43 < a29 )){
error_58: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && a0 <= -147 ) && ((-144 < a29) && (-16 >= a29)) )){
error_8: exit(0);
}
if(((((a2==3) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_49: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && 43 < a29 )){
error_26: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && -61 < a0 ) && a29 <= -144 )){
error_59: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && a0 <= -147 ) && a29 <= -144 )){
error_11: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && a0 <= -147 ) && 43 < a29 )){
error_6: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && a29 <= -144 )){
error_55: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && a29 <= -144 )){
error_43: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && a0 <= -147 ) && ((-144 < a29) && (-16 >= a29)) )){
error_12: exit(0);
}
if(((((a2==1) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-16 < a29) && (43 >= a29)) )){
error_21: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_36: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && a0 <= -147 ) && ((-144 < a29) && (-16 >= a29)) )){
error_16: exit(0);
}
if(((((a2==5) && a4 <= -86 ) && a0 <= -147 ) && ((-16 < a29) && (43 >= a29)) )){
error_17: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && a0 <= -147 ) && ((-16 < a29) && (43 >= a29)) )){
error_5: exit(0);
}
if(((((a2==4) && a4 <= -86 ) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )){
error_31: exit(0);
}
if(((((a2==2) && a4 <= -86 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
error_44: exit(0);
}
if(( -61 < a0 && ( a4 <= -86 && ((input == 1) && (((a2==3) && a29 <= -144 ) || (((a2==2) && ((-16 < a29) && (43 >= a29)) ) || ( 43 < a29 && (a2==2)))))))){
a0 = (((((a0 % 299926)+ -300072) / 5) * 5) - 2);
a29 = (((a29 / 5) - 403019) / 5);
a2 = 1;
return -1;
} else if(((( ((-86 < a4) && (-42 >= a4)) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 4))) && (a2==1)) && ((-147 < a0) && (-98 >= a0)) )){
a4 = ((((a4 * 10)/ 4) - 105635) * 5);
a0 = (((a0 / 5) + -535974) * 1);
a29 = ((((a29 % 299928)+ -144) + -127007) * 1);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((a2==2) && ( a29 <= -144 && (input == 3))) && ((-98 < a0) && (-61 >= a0)) ))){
if( a0 <= -147 ){
a4 = (((a4 / 5) + 230984) + -520005);
a0 = (((a0 * 5) - 170894) / -5);
a29 = ((((a29 % 29)+ 13) / 5) / 5);
a2 = 3;
} else{
a29 = ((((a29 - 0) % 29)+ 23) + -9);
} return 21;
} else if((( a0 <= -147 && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 2)) && (a2==1))) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 - 373993) - 156849) + 1087366) + -662739);
a0 = (((((a0 * 9)/ 10) + -38819) % 24)+ -99);
a29 = ((((((a29 % 299978)+ 300021) / 5) - 494390) * -1)/ 10);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 3)) && ((-98 < a0) && (-61 >= a0)) ) && (a2==4)))){
a4 = (((a4 + -343035) + 587291) - 275194);
a0 = (((a0 + 390619) - 403210) - -569718);
a29 = (((((a29 % 299978)- -300021) - -1) / 5) + 444143);
a2 = 2;
return 22;
} else if(((((a2==3) && ((input == 3) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ))) && -61 < a0 ) && a4 <= -86 )){
a0 = ((((a0 % 299926)- 300072) * 1) - 1);
a29 = (((a29 - 382960) - 74074) * 1);
a2 = 1;
return -1;
} else if(((((input == 5) && (( ((-144 < a29) && (-16 >= a29)) && (a2==2)) || (( 43 < a29 && (a2==1)) || ((a2==2) && a29 <= -144 )))) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = (((((a4 * 10)/ 4) * 10)/ 9) + -71483);
a29 = (((((a29 % 299928)- 300071) + -1) / 5) - 280609);
a2 = 1;
return -1;
} else if(((((( ((-144 < a29) && (-16 >= a29)) && (a2==4)) || (( 43 < a29 && (a2==3)) || ((a2==4) && a29 <= -144 ))) && (input == 2)) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = (((((a4 + -149009) - -316415) * 3) * -1)/ 10);
a0 = ((((a0 - 0) % 24)- 121) + -1);
a29 = ((((a29 % 299978)- -300021) / 5) - -378565);
a2 = 3;
return -1;
} else if((( -61 < a0 && ((((a2==3) && a29 <= -144 ) || (( ((-16 < a29) && (43 >= a29)) && (a2==2)) || ( 43 < a29 && (a2==2)))) && (input == 2))) && a4 <= -86 )){
a0 = ((((a0 / 5) - -215080) * 10)/ -9);
a29 = ((((((a29 - 0) * 9)/ 10) + -50638) % 299928)- 300071);
a2 = 1;
return -1;
} else if(((((a2==4) && ((input == 1) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = (((a4 * 5) + -228988) / 5);
a0 = ((((((a0 % 18)+ -78) * 9)/ 10) * 9)/ 10);
a29 = ((((((a29 * 9)/ 10) / 5) + 262161) % 29)- -15);
a2 = 1;
return -1;
} else if((((((input == 4) && 43 < a29 ) && (a2==1)) && ((-98 < a0) && (-61 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) )){
a29 = ((((a29 % 29)- -15) / 5) + -16);
a2 = 5;
return -1;
} else if((( -61 < a0 && (((( 43 < a29 && (a2==4)) || ((a2==5) && a29 <= -144 )) || ( ((-144 < a29) && (-16 >= a29)) && (a2==5))) && (input == 1))) && a4 <= -86 )){
a4 = ((((a4 - 0) - -490407) % 21)+ -62);
a0 = ((((a0 - 153310) * 1) % 299926)- 300072);
a29 = ((((a29 % 299978)+ 300021) + 1) - 0);
a2 = 4;
return 22;
} else if((( ((-147 < a0) && (-98 >= a0)) && (((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) )) && (a2==3))){
a4 = (((a4 + -155747) - 133657) - 35383);
a0 = ((((a0 / 5) + 135798) * 4) - 984812);
a29 = (((a29 + -315762) / 5) + -109484);
a2 = 1;
return -1;
} else if((((a2==2) && (((input == 5) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) )) && ((-16 < a29) && (43 >= a29)) )){
a4 = ((((((a4 * 21)/ 10) + 71298) / 5) * -1)/ 10);
a0 = (((a0 - 162900) - 383694) - 31566);
a29 = (((a29 / 5) - -341315) + 150076);
a2 = 5;
return -1;
} else if((((((input == 5) && ( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && (a2==1)) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((a4 + -44548) - -443306) + -696410);
a0 = ((((a0 / 5) * 123)/ 10) - 36241);
a29 = ((((a29 - 0) * 9)/ 10) + 573486);
a2 = 5;
return -1;
} else if(((a2==4) && ( -61 < a0 && ( a4 <= -86 && ((input == 5) && ( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))))))){
if( 43 < a29 ){
a4 = (((((a4 / 5) % 21)+ -60) * 9)/ 10);
a0 = ((((a0 % 24)- 121) + -205117) - -205116);
a29 = ((((a29 % 29)+ 14) / 5) + 22);
a2 = 2;
} else{
a4 = ((((a4 % 21)+ -46) * 1) + -5);
a0 = ((((a0 + 0) % 299926)+ -300072) * 1);
a29 = ((((a29 + 371124) % 29)- -13) + 2);
a2 = 3;
} return 22;
} else if((((((input == 3) && -61 < a0 ) && a4 <= -86 ) && ((-16 < a29) && (43 >= a29)) ) && (a2==5))){
a4 = (((((a4 - -446919) % 21)+ -64) / 5) + -48);
a0 = (((((a0 - 0) % 24)- 122) - 24975) - -24975);
a29 = ((((a29 - -264394) + -320129) - 442766) - -778920);
a2 = 2;
return 22;
} else if(((a2==1) && ( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && ((input == 4) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))))){
a4 = (((a4 - 226504) - 71806) * 2);
a29 = ((((a29 % 299928)- 144) - 38153) + -135408);
a2 = 5;
return -1;
} else if((( -61 < a0 && ( 43 < a29 && ((input == 4) && (a2==5)))) && a4 <= -86 )){
return 22;
} else if(((((((a2==4) && ((-144 < a29) && (-16 >= a29)) ) || (((a2==3) && 43 < a29 ) || ( a29 <= -144 && (a2==4)))) && (input == 5)) && a0 <= -147 ) && ((-86 < a4) && (-42 >= a4)) )){
a29 = ((((a29 % 299928)+ -300071) * 1) - 2);
a2 = 3;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 3) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )) && a0 <= -147 )) && (a2==3))){
if( ((-16 < a29) && (43 >= a29)) ){
a0 = ((((a0 + 125283) % 24)- 122) + 1);
a29 = (((((a29 / 5) - -520121) * 1) % 29)- -2);
a2 = 2;
} else{
a29 = (((((a29 * 9)/ 10) + 5268) % 63)+ -79);
} return -1;
} else if(( 43 < a29 && (( -61 < a0 && ( a4 <= -86 && (input == 1))) && (a2==5)))){
a29 = ((((a29 + -556242) % 299928)- 300071) * 1);
a2 = 2;
return 26;
} else if((( a4 <= -86 && ( 43 < a29 && ((input == 2) && -61 < a0 ))) && (a2==3))){
a0 = (((a0 / 5) / 5) + -266659);
a29 = ((((a29 - 118281) + 14305) % 299928)- 300071);
a2 = 1;
return -1;
} else if(((((input == 6) && ((((a2==1) && 43 < a29 ) || ( a29 <= -144 && (a2==2))) || ((a2==2) && ((-144 < a29) && (-16 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = (((a4 / 5) - 468667) / 5);
a29 = ((((((a29 * 9)/ 10) % 299928)+ -300071) + 121344) + -121344);
a2 = 1;
return -1;
} else if((((( ((-98 < a0) && (-61 >= a0)) && (input == 3)) && (a2==2)) && ((-86 < a4) && (-42 >= a4)) ) && 43 < a29 )){
a4 = (((a4 - 174071) * 3) / 5);
a29 = ((((((a29 * 9)/ 10) * 1) + -195948) % 29)- -14);
a2 = 3;
return -1;
} else if(((( ((-147 < a0) && (-98 >= a0)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 5))) && (a2==4)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 * 5) + 579823) + 11517) + -660876);
a0 = (((a0 * 5) - 6100) * 5);
a29 = (((a29 / 5) + 176253) - -181921);
a2 = 5;
return -1;
} else if(((( a4 <= -86 && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 1))) && (a2==1)) && -61 < a0 )){
a0 = ((((a0 - 217743) % 299926)+ -300072) * 1);
a29 = (((a29 + -396156) + -5222) * 1);
return -1;
} else if(( -61 < a0 && ((( 43 < a29 && (input == 6)) && (a2==5)) && a4 <= -86 ))){
a0 = (((((a0 % 18)- 78) * 1) / 5) + -63);
a29 = ((((a29 % 63)- 97) - 20) + 4);
a2 = 3;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-98 < a0) && (-61 >= a0)) && (((input == 3) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (a2==5))))){
if((a2==4)){
a4 = (((a4 - 95607) + -173954) + -12748);
a0 = ((((a0 * 25)/ 10) + -439586) - -307849);
a29 = ((((a29 % 299928)+ -144) - 72109) - 18545);
a2 = 4;
} else{
a4 = (((a4 + -172293) / 5) * 5);
a29 = ((((a29 + 0) * 9)/ 10) - -585169);
a2 = 4;
} return 22;
} else if((( ((-98 < a0) && (-61 >= a0)) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 5)) && ((-86 < a4) && (-42 >= a4)) )) && (a2==4))){
a4 = (((a4 * 5) - -527193) + -830547);
a0 = (((a0 / 5) - 111795) * 5);
a29 = (((((a29 % 299928)- 300071) + 0) - -381711) + -381711);
return -1;
} else if(( a4 <= -86 && ( -61 < a0 && (((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 4)) && (a2==4))))){
a4 = (((((a4 / 5) % 21)- 43) + 72580) - 72601);
a0 = ((((a0 % 299926)- 300072) + 505424) - 505425);
a29 = ((((a29 * 9)/ 10) + 571994) / 5);
a2 = 2;
return 26;
} else if((((((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) || 43 < a29 ) && (input == 6)) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) ) && (a2==5))){
a4 = ((((a4 + -159160) / 5) * 10)/ 9);
a0 = (((a0 / 5) + -450837) * 1);
a29 = (((((a29 % 299928)- 300071) - 1) / 5) + -101068);
a2 = 2;
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ((a2==3) && (((input == 2) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) )))){
a4 = (((a4 + -31484) + -538040) + -21692);
a29 = ((((a29 % 299928)+ -144) + -155078) * 1);
a2 = 4;
return 21;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 5) && ((-147 < a0) && (-98 >= a0)) ) && a29 <= -144 )) && (a2==5))){
a4 = (((a4 - 159432) - 109407) * 2);
a0 = ((((a0 + 490072) + 32090) * 10)/ 9);
a29 = ((((((a29 % 29)+ 23) + 1) * 5) % 29)- -13);
return -1;
} else if(( -61 < a0 && ( a4 <= -86 && ((a2==3) && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 2)))))){
a0 = ((((a0 / 5) * 4) - -113559) + -665939);
a29 = (((a29 - 148272) + 252167) + -411458);
a2 = 1;
return -1;
} else if(((((a2==3) && (( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (input == 2))) && a0 <= -147 ) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((a4 + -287863) + -192250) * 1);
a29 = ((((a29 / 5) % 63)+ -80) - 1);
a2 = 1;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 5)) && (a2==5)) && ((-98 < a0) && (-61 >= a0)) ))){
a0 = (((a0 - 45) / 5) + -99);
a29 = ((((a29 % 299928)+ -300071) / 5) + -203345);
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 1) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-147 < a0) && (-98 >= a0)) )) && (a2==4))){
a4 = (((((a4 * 21)/ 10) - 87347) * 10)/ 9);
a0 = (((((a0 % 18)+ -61) - 19) / 5) + -77);
a29 = (((a29 / 5) * 4) - 587483);
a2 = 3;
return -1;
} else if(((((((a2==5) && ((-144 < a29) && (-16 >= a29)) ) || (( 43 < a29 && (a2==4)) || ((a2==5) && a29 <= -144 ))) && (input == 2)) && a4 <= -86 ) && -61 < a0 )){
a0 = ((((a0 + -267162) % 299926)- 300072) * 1);
a29 = (((a29 + 0) / 5) - 428483);
a2 = 1;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && (( ((-98 < a0) && (-61 >= a0)) && (input == 6)) && (a2==2))) && a29 <= -144 )){
a4 = ((((a4 + -196449) - -594193) * 10)/ -9);
a0 = ((((a0 / 5) / 5) * 735)/ 10);
a2 = 1;
return -1;
} else if(( ((-16 < a29) && (43 >= a29)) && ( a4 <= -86 && (((input == 6) && -61 < a0 ) && (a2==5))))){
a0 = (((a0 / 5) + -324699) - 172683);
a29 = (((((a29 - 531416) + -35692) - -697447) * -1)/ 10);
a2 = 1;
return -1;
} else if((( ((-16 < a29) && (43 >= a29)) && (((input == 4) && -61 < a0 ) && a4 <= -86 )) && (a2==5))){
a4 = ((((a4 / 5) - -571961) % 21)+ -67);
a0 = ((((a0 % 299926)+ -300072) * 1) - 2);
a29 = ((((a29 - -174449) * 10)/ 9) / 5);
return 22;
} else if(( -61 < a0 && ( a4 <= -86 && ((input == 5) && ((( ((-16 < a29) && (43 >= a29)) && (a2==2)) || ((a2==2) && 43 < a29 )) || ( a29 <= -144 && (a2==3))))))){
a4 = (((((a4 % 21)+ -47) + 367614) + 116418) + -484038);
a0 = ((((a0 / 5) / 5) % 24)+ -122);
a29 = (((a29 / 5) + 298882) - 164223);
a2 = 3;
return 21;
} else if((( ((-98 < a0) && (-61 >= a0)) && (((input == 1) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) )) && (a2==2))){
a29 = (((((a29 % 63)- 79) * 1) + -90558) + 90558);
a2 = 5;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-98 < a0) && (-61 >= a0)) && (((input == 6) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) )) && (a2==2))))){
a0 = (((((a0 - 46) * 5) * 5) % 24)+ -121);
a29 = ((((a29 - -1321) - 315533) * -1)/ 10);
a2 = 3;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-147 < a0) && (-98 >= a0)) && ((input == 3) && ((( ((-16 < a29) && (43 >= a29)) && (a2==1)) || ( 43 < a29 && (a2==1))) || ((a2==2) && a29 <= -144 )))))){
a29 = (((((a29 * 9)/ 10) - -17657) / 5) - 139328);
a2 = 1;
return 21;
} else if(((( a0 <= -147 && ((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && (a2==4)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 - 480316) - 19307) * 10)/ 9);
a0 = (((((a0 * 9)/ 10) % 24)- 119) - -21);
a29 = (((((a29 % 29)- -14) + -78248) / 5) + 15680);
return -1;
} else if(((( ((-86 < a4) && (-42 >= a4)) && ((input == 4) && ( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))) && ((-98 < a0) && (-61 >= a0)) ) && (a2==1))){
a4 = ((((a4 - 168143) + 137012) * 10)/ 9);
a0 = (((a0 - 77791) - -335670) - -161975);
a29 = ((((a29 % 299928)- 300071) / 5) - 343834);
a2 = 4;
return -1;
} else if(( ((-147 < a0) && (-98 >= a0)) && ( a29 <= -144 && ( ((-86 < a4) && (-42 >= a4)) && ((input == 3) && (a2==5)))))){
a4 = (((((a4 + 514012) / 5) / 5) * -1)/ 10);
a0 = (((a0 - 351273) / 5) - 16153);
a2 = 1;
return -1;
} else if(((a2==4) && ( ((-86 < a4) && (-42 >= a4)) && (((input == 5) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && a0 <= -147 )))){
if( a0 <= -147 ){
a0 = (((((a0 + 512655) % 24)- 121) + 294399) - 294399);
a29 = ((((a29 % 29)+ 13) + 1) / 5);
a2 = 5;
} else{
a29 = ((((a29 % 29)- -14) - 188513) + 188512);
} return 22;
} else if((((a2==5) && ( ((-98 < a0) && (-61 >= a0)) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 2)))) && ((-86 < a4) && (-42 >= a4)) )){
if( -61 < a0 ){
a0 = ((((a0 / 5) * 123)/ 10) * 5);
a29 = ((((a29 - -515249) % 299978)+ 300021) + 0);
a2 = 3;
} else{
a4 = (((a4 - 159459) + -255924) * 1);
a0 = (((a0 + 311576) / 5) + 362176);
a29 = (((((a29 * 9)/ 10) / 5) * 5) - -587636);
a2 = 4;
} return 22;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==1) && ( a0 <= -147 && ( ((-16 < a29) && (43 >= a29)) && (input == 5)))))){
a4 = ((((a4 * 21)/ 10) + -400646) * 1);
a29 = ((((a29 - 462276) * 10)/ 9) + -52624);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( a0 <= -147 && ((( ((-144 < a29) && (-16 >= a29)) && (a2==2)) || (((a2==1) && 43 < a29 ) || ( a29 <= -144 && (a2==2)))) && (input == 4))))){
if( a29 <= -144 ){
a0 = ((((a0 % 24)- 121) + 467846) + -467826);
a29 = ((((a29 + 0) % 29)+ 13) - -2);
a2 = 2;
} else{
a29 = (((((a29 % 299928)+ -300071) - 2) - -592405) + -592403);
a2 = 3;
} return 21;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==2) && ((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 2)) && ((-98 < a0) && (-61 >= a0)) )))){
if((a2==4)){
a29 = (((a29 - -453579) + -1007224) + 776721);
a2 = 5;
} else{
a4 = ((((a4 * 5) / 5) * 10)/ 4);
a0 = (((((a0 * 5) % 24)- 121) + -360939) + 360945);
a29 = (((((a29 % 63)+ -79) + -2) - -160900) - 160899);
a2 = 4;
} return -1;
} else if(( -61 < a0 && ( a4 <= -86 && ((a2==5) && ( 43 < a29 && (input == 3)))))){
a0 = ((((a0 - 0) + -259726) % 299926)- 300072);
a2 = 1;
return -1;
} else if(( -61 < a0 && ( a4 <= -86 && (((a2==3) && (input == 4)) && 43 < a29 )))){
if((a2==1)){
a4 = (((((a4 % 21)- 62) - 2) + 429144) + -429136);
a0 = ((((a0 + -428046) - -377265) % 24)- 122);
a29 = ((((a29 % 299928)+ -300071) * 1) * 1);
a2 = 2;
} else{
a4 = ((((a4 + 0) - -403065) % 21)+ -62);
a0 = ((((a0 + 0) % 299926)+ -300072) - 3);
a2 = 1;
} return 26;
} else if((( ((-147 < a0) && (-98 >= a0)) && (((( ((-16 < a29) && (43 >= a29)) && (a2==1)) || ((a2==1) && 43 < a29 )) || ((a2==2) && a29 <= -144 )) && (input == 6))) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 + 432335) / 5) - -297443) + -770462);
a0 = ((((a0 * 5) - 438552) * 10)/ 9);
a29 = ((((a29 - 0) % 299928)+ -300071) + -2);
a2 = 1;
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ((((input == 1) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && (a2==3)) && ((-86 < a4) && (-42 >= a4)) ))){
if( 136 < a4 ){
a0 = (((a0 + -330918) / 5) / 5);
a29 = ((((((a29 % 63)- 78) - -182185) * 3) % 63)- 138);
a2 = 5;
} else{
a0 = (((a0 - -161415) + -161458) * 1);
a29 = ((((a29 / 5) - -215380) % 29)- 2);
a2 = 2;
} return -1;
} else if((((a2==2) && (( ((-144 < a29) && (-16 >= a29)) && (input == 1)) && ((-86 < a4) && (-42 >= a4)) )) && ((-147 < a0) && (-98 >= a0)) )){
a4 = (((a4 / 5) + -51623) + -420756);
a0 = ((((a0 * 5) % 18)+ -77) - 1);
a29 = (((((a29 + -36495) - -410490) / 5) * -1)/ 10);
a2 = 3;
return -1;
} else if(( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && ((input == 6) && (((a2==4) && ((-144 < a29) && (-16 >= a29)) ) || (( 43 < a29 && (a2==3)) || ((a2==4) && a29 <= -144 ))))))){
a4 = (((a4 - 511089) / 5) * 5);
a0 = ((((((a0 / 5) % 18)- 72) * 5) % 18)+ -69);
a29 = ((((((a29 % 299928)- 300071) + -2) * 9)/ 10) + -51962);
a2 = 4;
return -1;
} else if(((((a2==1) && ((input == 5) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 - 299758) * 10)/ 9) - 263514);
a0 = (((a0 + -189742) * -3) / 5);
a29 = (((((a29 - 0) + 0) - -419093) % 299978)- -300021);
a2 = 2;
return -1;
} else if((( ((-98 < a0) && (-61 >= a0)) && ( ((-86 < a4) && (-42 >= a4)) && ((input == 4) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) )))) && (a2==2))){
a4 = (((a4 - 367509) * 1) + -165889);
a0 = (((((a0 / 5) * 123)/ 10) * 10)/ 9);
a29 = (((a29 + -128272) * 4) - 50089);
a2 = 3;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==5) && (( a0 <= -147 && (input == 2)) && 43 < a29 )))){
a4 = (((a4 - 332092) + -246937) * 1);
a0 = (((((a0 % 18)- 62) / 5) * 5) - 6);
a29 = (((((a29 - 0) + 0) + -143280) % 29)+ 14);
a2 = 2;
return -1;
} else if(((a2==1) && ( ((-86 < a4) && (-42 >= a4)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 3)) && a0 <= -147 )))){
if( a29 <= -144 ){
a0 = ((((a0 % 24)+ -106) + -118072) + 118060);
a29 = ((((a29 % 299978)+ 300021) + 39812) + 4757);
a2 = 2;
} else{
a29 = (((((a29 * 9)/ 10) + -26438) % 63)+ -80);
a2 = 5;
} return 21;
} else if(((((a2==1) && ((input == 6) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 * 21)/ 10) + -313003) - 8733);
a0 = ((((a0 / 5) * 78)/ 10) + -182482);
a29 = (((a29 - -141759) / 5) + -312469);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((a2==1) && ((input == 2) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-147 < a0) && (-98 >= a0)) ))){
a4 = ((((a4 + -92205) * 10)/ 9) * 5);
a0 = (((a0 + -14362) + -530976) + -39701);
a29 = ((((((a29 % 299928)+ -144) / 5) + 115683) * -1)/ 10);
return -1;
} else if(( a0 <= -147 && ((a2==2) && ( ((-86 < a4) && (-42 >= a4)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 2)))))){
a4 = (((a4 * 5) + -390730) / 5);
a29 = (((a29 / 5) + -339257) + -242099);
a2 = 1;
return -1;
} else if(( ((-147 < a0) && (-98 >= a0)) && ((((( 43 < a29 && (a2==2)) || ((a2==3) && a29 <= -144 )) || ((a2==3) && ((-144 < a29) && (-16 >= a29)) )) && (input == 4)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 * 5) + -596150) + -2176);
a0 = ((((a0 * -5) * 5) * 10)/ 9);
a29 = (((((a29 + 0) / 5) * 4) % 299978)- -300021);
a2 = 2;
return 22;
} else if(((((a2==5) && ((input == 4) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((a4 / 5) + -480007) - 49681);
a29 = ((((((a29 % 63)- 40) * 9)/ 10) - -63664) + -63691);
a2 = 3;
return -1;
} else if(((a2==2) && ( ((-98 < a0) && (-61 >= a0)) && (( a29 <= -144 && (input == 1)) && ((-86 < a4) && (-42 >= a4)) )))){
a0 = (((((a0 * 25)/ 10) - 475114) * 10)/ 9);
a29 = (((((a29 + 0) % 29)+ 34) - -250200) + -250207);
a2 = 1;
return 26;
} else if(((( a4 <= -86 && ( -61 < a0 && (input == 5))) && (a2==5)) && ((-16 < a29) && (43 >= a29)) )){
a0 = ((((a0 % 299926)+ -300072) + -1) * 1);
a29 = (((a29 + -335818) + -248420) / 5);
a2 = 1;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 6)) && (a2==4)) && ((-98 < a0) && (-61 >= a0)) ))){
if( a4 <= -86 ){
a4 = ((((a4 * 21)/ 10) + 345448) + -402040);
a0 = (((a0 - 104609) / -5) - -278005);
a29 = ((((a29 % 29)+ 34) + 10997) - 11008);
a2 = 3;
} else{
a4 = ((((a4 / 5) * 5) - -85502) - 357269);
a0 = ((((a0 - 38) + -11) + -393003) + 393006);
a29 = ((((a29 % 299928)+ -144) * 1) + -134411);
a2 = 3;
} return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==5) && ( ((-98 < a0) && (-61 >= a0)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 4)))))){
a4 = ((((a4 * 10)/ 4) - -531993) + -849572);
a0 = (((((a0 / 5) * 9)/ 10) - 551674) * -1);
a29 = (((((a29 + 0) % 299978)- -300021) / 5) + 138947);
return 26;
} else if(((( ((-86 < a4) && (-42 >= a4)) && ((input == 4) && ((-98 < a0) && (-61 >= a0)) )) && a29 <= -144 ) && (a2==2))){
a4 = ((((a4 + 545933) * -1)/ 10) * 5);
a0 = ((((a0 + -122294) * -4) * 10)/ 9);
a2 = 4;
return 21;
} else if(((a2==1) && ((((input == 1) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && a0 <= -147 ) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 - 583803) / 5) / 5);
a0 = (((((a0 / 5) % 24)+ -100) - 190928) - -190917);
a29 = ((((a29 % 29)- -33) + 470403) + -470405);
a2 = 3;
return -1;
} else if(( a4 <= -86 && ( -61 < a0 && (((((a2==4) && 43 < a29 ) || ((a2==5) && a29 <= -144 )) || ( ((-144 < a29) && (-16 >= a29)) && (a2==5))) && (input == 3))))){
a4 = (((((a4 % 21)+ -44) * 1) / 5) - 48);
a0 = ((((a0 % 299926)- 300072) * 1) - 3);
a29 = ((((a29 % 299978)+ 300021) * 1) * 1);
a2 = 3;
return 22;
} else if((((a2==5) && (((input == 5) && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) || 43 < a29 )) && ((-147 < a0) && (-98 >= a0)) )) && ((-86 < a4) && (-42 >= a4)) )){
a29 = (((((a29 % 299978)+ 300021) * 1) - 479458) + 479460);
return 22;
} else if(((( ((-16 < a29) && (43 >= a29)) && ((input == 1) && ((-147 < a0) && (-98 >= a0)) )) && (a2==2)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((((a4 * 10)/ 4) - 371477) * 10)/ 9);
a0 = (((((a0 * 10)/ 15) - 0) / 5) + -57);
a29 = (((a29 * 5) / 5) - 552027);
a2 = 3;
return -1;
} else if((( a4 <= -86 && ((input == 6) && ((((a2==2) && ((-16 < a29) && (43 >= a29)) ) || ((a2==2) && 43 < a29 )) || ((a2==3) && a29 <= -144 )))) && -61 < a0 )){
a0 = (((a0 / 5) + -278887) / 5);
a29 = ((((a29 % 299928)+ -300071) - -514060) - 514060);
a2 = 1;
return -1;
} else if(((( -61 < a0 && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 5))) && a4 <= -86 ) && (a2==3))){
a0 = ((((a0 + -325280) + -120034) % 299926)+ -300072);
a29 = (((a29 + -112448) + -33410) * 4);
a2 = 1;
return -1;
} else if(( ((-147 < a0) && (-98 >= a0)) && ( ((-86 < a4) && (-42 >= a4)) && ((((a2==3) && ((-144 < a29) && (-16 >= a29)) ) || (( 43 < a29 && (a2==2)) || ((a2==3) && a29 <= -144 ))) && (input == 5))))){
a4 = (((a4 - 179640) + -196180) * 1);
a0 = (((((a0 * 5) % 18)+ -68) * 10)/ 9);
a29 = ((((a29 / 5) * 4) % 299978)+ 300021);
a2 = 3;
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ((((input == 6) && ((-86 < a4) && (-42 >= a4)) ) && (a2==1)) && 43 < a29 ))){
a4 = ((((a4 * 10)/ 4) * 5) + -460043);
a0 = ((((a0 - 39) - -1) / 5) - 102);
a29 = (((a29 / 5) * 4) - 486694);
a2 = 2;
return -1;
} else if(( a0 <= -147 && ((((input == 6) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && (a2==4)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 - 124968) - 172519) + -276986);
a29 = (((((a29 % 299928)- 300071) - -241689) + 178566) + -420255);
a2 = 2;
return -1;
} else if(((((a2==1) && ((input == 2) && ( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((a4 + 4337) - 75733) * 5);
a0 = ((((a0 * 10)/ 4) + -416474) * 1);
a29 = ((((((a29 % 63)- 79) * 1) * 5) % 63)- 77);
return -1;
} else if((( ((-98 < a0) && (-61 >= a0)) && ((a2==4) && ((input == 4) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((a4 - 5349) - 71855) - 8649);
a0 = ((((a0 - 80857) * 10)/ 9) / 5);
a29 = ((((((a29 % 63)+ -58) * 9)/ 10) - 554414) + 554401);
a2 = 2;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 4) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )) && a0 <= -147 )) && (a2==3))){
a4 = (((a4 + -429677) * 1) * 1);
a0 = (((a0 - -600060) + 7) / 5);
a29 = (((((a29 * 9)/ 10) % 63)- 78) - 2);
a2 = 4;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((( a29 <= -144 && (a2==2)) || (( ((-16 < a29) && (43 >= a29)) && (a2==1)) || ((a2==1) && 43 < a29 ))) && (input == 4))) && ((-147 < a0) && (-98 >= a0)) )){
if( ((-42 < a4) && (136 >= a4)) ){
a29 = ((((a29 - 0) - 0) % 299978)+ 300021);
a2 = 4;
} else{
a0 = (((((a0 % 18)+ -72) + 11) * 10)/ 9);
a29 = (((((a29 % 63)- 78) + 354675) - 303746) - 50931);
a2 = 1;
} return 21;
} else if(( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && ((input == 1) && (( ((-144 < a29) && (-16 >= a29)) && (a2==4)) || (( 43 < a29 && (a2==3)) || ((a2==4) && a29 <= -144 ))))))){
a4 = ((((a4 + -38853) + -127579) * 10)/ 9);
a0 = (((a0 - -600019) * 1) - -48);
a29 = ((((a29 % 299928)+ -300071) + -1) * 1);
a2 = 3;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 5)) && (a2==2))) && a0 <= -147 )){
a4 = ((((a4 - 432014) * 1) * 10)/ 9);
a29 = ((((a29 % 299928)- 300071) * 1) * 1);
a2 = 1;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==3) && ( ((-147 < a0) && (-98 >= a0)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 5)))))){
a4 = (((a4 + -445432) - 38917) / 5);
a0 = (((a0 + -523061) * 1) / 5);
a29 = ((((a29 % 299928)+ -300071) - 1) + -1);
a2 = 1;
return -1;
} else if(((a2==5) && ((( a0 <= -147 && (input == 5)) && 43 < a29 ) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 - 571896) + -12207) * 1);
a0 = (((a0 + 600032) - -112) / 5);
a29 = (((((a29 % 29)+ -10) + -1) + -180973) + 180992);
return -1;
} else if(( ((-16 < a29) && (43 >= a29)) && (( ((-86 < a4) && (-42 >= a4)) && ((a2==1) && (input == 3))) && a0 <= -147 ))){
if( ((-144 < a29) && (-16 >= a29)) ){
a0 = (((((a0 % 24)+ -116) - -428496) + 96525) + -525025);
a29 = (((((a29 / 5) - -588420) - -8138) * -1)/ 10);
a2 = 5;
} else{
a29 = (((a29 - -367691) + 130494) - -35139);
a2 = 5;
} return 22;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-147 < a0) && (-98 >= a0)) && ((a2==4) && ((input == 4) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )))))){
a4 = (((((a4 * 10)/ 4) + 147908) - -409340) + -1095280);
a0 = (((a0 * -5) / 5) - -445352);
a29 = ((((((a29 + -342777) % 29)+ 14) * 5) % 29)- -14);
return -1;
} else if((( a4 <= -86 && ((input == 3) && ((((a2==1) && 43 < a29 ) || ( a29 <= -144 && (a2==2))) || ((a2==2) && ((-144 < a29) && (-16 >= a29)) )))) && -61 < a0 )){
a0 = ((((a0 % 299926)- 300072) + 0) - 0);
a29 = ((((a29 % 299928)+ -300071) * 1) * 1);
a2 = 1;
return -1;
} else if(((a2==4) && ((((input == 6) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) ))){
a0 = (((a0 * 5) * 5) * 5);
a29 = ((((a29 - 587266) % 29)+ 13) + 2);
return -1;
} else if(((a2==5) && ((((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 3)) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 ))){
a4 = ((((((a4 * 21)/ 10) * 10)/ 9) / 5) - 395341);
a0 = ((((a0 - -158225) % 18)- 78) - 1);
a29 = (((((a29 + 522034) % 299928)+ -300071) + 203886) + -203887);
a2 = 1;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((((a2==3) && ((-144 < a29) && (-16 >= a29)) ) || (((a2==2) && 43 < a29 ) || ( a29 <= -144 && (a2==3)))) && (input == 1))) && ((-147 < a0) && (-98 >= a0)) )){
a4 = ((((a4 - 71431) + 461687) - -176106) + -1067274);
a29 = ((((a29 + 0) % 299978)+ 300021) * 1);
a2 = 4;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (input == 2)) && a0 <= -147 ) && (a2==5)))){
a4 = ((((a4 * 5) + -282138) * 10)/ 9);
a29 = (((a29 / 5) - 228236) * 1);
a2 = 3;
return -1;
} else if(( a4 <= -86 && ( -61 < a0 && ((input == 5) && ((( 43 < a29 && (a2==4)) || ( a29 <= -144 && (a2==5))) || ((a2==5) && ((-144 < a29) && (-16 >= a29)) )))))){
a0 = (((a0 / 5) + -531058) + -5391);
a29 = ((((a29 % 299928)- 300071) - 1) + -1);
a2 = 1;
return -1;
} else if(((a2==3) && ( a4 <= -86 && ((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 1)) && -61 < a0 )))){
a29 = (((a29 * 5) - -271226) / 5);
a2 = 5;
return 21;
} else if(((a2==5) && ((((input == 1) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) ))){
if( ((-147 < a0) && (-98 >= a0)) ){
a29 = ((((a29 % 299928)+ -144) * 1) - 299526);
a2 = 3;
} else{
a29 = ((((a29 % 29)- -25) + -3) - 3);
a2 = 4;
} return -1;
} else if((((( -61 < a0 && (input == 2)) && 43 < a29 ) && a4 <= -86 ) && (a2==5))){
a0 = (((((a0 - 0) % 18)- 79) + -287852) - -287851);
a29 = ((((a29 + -432842) % 63)+ -79) * 1);
a2 = 1;
return -1;
} else if((((((input == 1) && (a2==1)) && 43 < a29 ) && ((-98 < a0) && (-61 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((((a4 * 10)/ 4) - 50479) + 331538) - 286662);
a0 = (((a0 + -221394) * 2) - 61944);
a2 = 5;
return 22;
} else if(((((a2==2) && ((input == 4) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = ((((a4 / 5) * 108)/ 10) + -99001);
a0 = (((a0 + 600024) * 1) - -69);
a29 = (((((a29 * 9)/ 10) % 29)+ 13) + 1);
return 22;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 6) && 43 < a29 ) && (a2==2))) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((a4 / 5) + -431166) * 1);
a0 = ((((((a0 * 25)/ 10) + 207162) * 2) * -1)/ 10);
a29 = ((((a29 % 299928)- 300071) / 5) + -301321);
a2 = 1;
return 21;
} else if(( ((-147 < a0) && (-98 >= a0)) && (((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 3)) && ((-86 < a4) && (-42 >= a4)) ) && (a2==3)))){
a0 = ((((a0 - -11543) + -341421) * 10)/ 9);
a29 = ((((a29 / 5) % 63)+ -79) * 1);
a2 = 4;
return 22;
} else if((( ((-147 < a0) && (-98 >= a0)) && (((input == 1) && (a2==5)) && ((-86 < a4) && (-42 >= a4)) )) && a29 <= -144 )){
a4 = (((a4 / 5) - 552897) * 1);
a0 = (((a0 + 155241) + 354784) / 5);
a29 = (((((a29 * 9)/ 10) - 55038) % 29)+ 15);
return 26;
} else if((((a2==1) && ( a0 <= -147 && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 6)))) && ((-86 < a4) && (-42 >= a4)) )){
a29 = ((((a29 + 0) % 299978)+ 300021) - -243945);
a2 = 5;
return 22;
} else if(((((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 2)) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) ) && (a2==4))){
a4 = ((((a4 - -387581) * 10)/ -9) - 92057);
a0 = ((((a0 - 206221) - -444674) / 5) + -346446);
a29 = (((((a29 - -129597) * 1) + -62679) % 299928)+ -300071);
a2 = 1;
return -1;
} else if((((a2==1) && (((input == 5) && ((-86 < a4) && (-42 >= a4)) ) && 43 < a29 )) && ((-98 < a0) && (-61 >= a0)) )){
a4 = ((((a4 * 21)/ 10) - 513244) - 63334);
a29 = ((((a29 % 29)- 14) + 8) - -20);
a2 = 5;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ( ((-98 < a0) && (-61 >= a0)) && ((input == 5) && (a2==2)))) && a29 <= -144 )){
a4 = ((((a4 + -126587) * 10)/ 9) * 4);
a0 = (((((a0 * 25)/ 10) * 10)/ 9) - 138870);
a29 = (((((a29 * 9)/ 10) * 1) % 29)- -18);
a2 = 1;
return -1;
} else if((( -61 < a0 && ((a2==1) && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 3)))) && a4 <= -86 )){
a0 = (((((a0 % 299926)- 300072) * 1) - -96529) - 96530);
a29 = (((a29 * 5) + -30526) + -238122);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((((((a2==1) && ((-16 < a29) && (43 >= a29)) ) || ( 43 < a29 && (a2==1))) || ((a2==2) && a29 <= -144 )) && (input == 5)) && ((-147 < a0) && (-98 >= a0)) ))){
a4 = ((((a4 * 10)/ 4) * 5) / 5);
a0 = ((((a0 * 10)/ 6) - 118188) + -397063);
a29 = ((((a29 % 299928)- 300071) + -1) + -1);
a2 = 1;
return -1;
} else if((((( ((-147 < a0) && (-98 >= a0)) && (input == 4)) && ((-16 < a29) && (43 >= a29)) ) && (a2==2)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 / 5) - 192549) * 10)/ 9);
a0 = (((a0 + 287869) * 2) * 1);
a29 = (((a29 - -35786) + 395553) - 630549);
a2 = 4;
return -1;
} else if(( a4 <= -86 && ((( 43 < a29 && (input == 5)) && -61 < a0 ) && (a2==3)))){
a0 = ((((a0 % 299926)- 300072) - 1) + -2);
a29 = (((((a29 - 0) * 9)/ 10) / 5) - 544016);
a2 = 1;
return -1;
} else if((((a2==4) && ( a4 <= -86 && ((input == 3) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )))) && -61 < a0 )){
a0 = ((((a0 % 299926)+ -300072) * 1) + -3);
a29 = ((((a29 % 299928)+ -300071) + -2) + 0);
a2 = 1;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (((( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (input == 6)) && ((-98 < a0) && (-61 >= a0)) ) && (a2==1)))){
a4 = ((((a4 / 5) / 5) * 861)/ 10);
a0 = (((a0 - -100650) / 5) + -453515);
a29 = ((((a29 % 29)+ 13) / 5) - -27);
a2 = 3;
return -1;
} else if(((((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 6)) && ((-86 < a4) && (-42 >= a4)) ) && (a2==2)) && a0 <= -147 )){
a4 = (((a4 / 5) - 522593) + -49139);
a29 = (((a29 / 5) + -408943) - 141073);
a2 = 1;
return -1;
} else if(( -61 < a0 && ( a4 <= -86 && ((( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (input == 2)) && (a2==4))))){
a0 = ((((a0 % 299926)+ -300072) - 2) * 1);
a29 = ((((a29 - 0) * 9)/ 10) + -22730);
a2 = 1;
return -1;
} else if((((((input == 1) && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) || 43 < a29 )) && ((-147 < a0) && (-98 >= a0)) ) && (a2==5)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((a4 - 464292) / 5) + -349277);
a0 = (((((a0 - -292898) % 18)- 83) * 10)/ 9);
a29 = (((((a29 * 9)/ 10) % 29)- -13) - -1);
a2 = 1;
return -1;
} else if(((( ((-98 < a0) && (-61 >= a0)) && ((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && (a2==3)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 - -392870) * 1) * 1) + -704326);
a0 = (((a0 - 3611) * 5) / 5);
a29 = ((((((a29 * 9)/ 10) % 29)+ 14) + -564199) - -564199);
return 26;
} else if((((a2==4) && ( ((-86 < a4) && (-42 >= a4)) && ((input == 1) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )))) && ((-98 < a0) && (-61 >= a0)) )){
a29 = ((((((a29 % 63)- 80) + -1) * 5) % 63)+ -70);
return 22;
} else if((((a2==2) && (( ((-147 < a0) && (-98 >= a0)) && (input == 4)) && ((-86 < a4) && (-42 >= a4)) )) && ((-144 < a29) && (-16 >= a29)) )){
a4 = (((((a4 * 10)/ 4) * 5) * 10)/ 9);
a0 = (((a0 - 286794) / -5) * 5);
a29 = (((((a29 * 5) % 29)- -15) - -348140) + -348131);
a2 = 4;
return -1;
} else if(((a2==5) && ( ((-86 < a4) && (-42 >= a4)) && (( ((-147 < a0) && (-98 >= a0)) && (input == 4)) && a29 <= -144 )))){
a4 = (((a4 * 5) / 5) + -406842);
a29 = ((((a29 - -600125) + 18) - 208856) + 208841);
return -1;
} else if(( a4 <= -86 && ((((((a2==2) && ((-16 < a29) && (43 >= a29)) ) || ( 43 < a29 && (a2==2))) || ((a2==3) && a29 <= -144 )) && (input == 3)) && -61 < a0 ))){
a29 = ((((a29 + 0) + 0) % 29)+ 14);
a2 = 4;
return 22;
} else if(((a2==2) && ( ((-86 < a4) && (-42 >= a4)) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 1)) && a0 <= -147 )))){
a29 = ((((a29 % 29)- -14) / 5) / 5);
return 26;
} else if(( a0 <= -147 && ((((((a2==3) && 43 < a29 ) || ( a29 <= -144 && (a2==4))) || ((a2==4) && ((-144 < a29) && (-16 >= a29)) )) && (input == 4)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 - -368988) + -509555) * 4);
a29 = (((a29 / 5) - 269560) - -609922);
a2 = 4;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && (( a0 <= -147 && ((a2==5) && (input == 1))) && 43 < a29 ))){
a4 = ((((a4 - 527117) * 10)/ 9) + -13727);
a0 = (((a0 - -361747) - -238361) - -15);
a29 = ((((((a29 - 0) * 9)/ 10) / 5) % 29)+ -13);
return 26;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 3)) && ((-98 < a0) && (-61 >= a0)) )) && (a2==5))){
if( ((-144 < a29) && (-16 >= a29)) ){
a0 = (((a0 - -265548) + 287278) + -1007061);
a29 = ((((a29 % 63)+ -78) * 1) + -3);
a2 = 2;
} else{
a4 = (((a4 + -300226) / 5) + -5161);
a0 = (((a0 - 211989) + -343212) / 5);
a29 = (((((a29 / 5) / 5) + -325965) % 63)+ -68);
a2 = 1;
} return 22;
} else if((((a2==2) && (((input == 4) && ((-86 < a4) && (-42 >= a4)) ) && 43 < a29 )) && ((-98 < a0) && (-61 >= a0)) )){
if((a2==2)){
a4 = (((a4 / 5) - -464382) - 647516);
a0 = ((((a0 / 5) / -5) * 10)/ 9);
a2 = 5;
} else{
a0 = ((((a0 - 280318) + -109923) + 576736) + -186541);
a29 = ((((a29 + -496909) * 1) % 29)- -14);
a2 = 4;
} return -1;
} else if((((((( ((-16 < a29) && (43 >= a29)) && (a2==1)) || ( 43 < a29 && (a2==1))) || ((a2==2) && a29 <= -144 )) && (input == 2)) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) )){
a4 = (((((a4 * 10)/ 4) * 5) - -131007) - 193084);
a0 = (((a0 / 5) - 548765) - 28905);
a29 = ((((a29 % 299928)+ -300071) + -1) * 1);
a2 = 1;
return -1;
} else if(( a4 <= -86 && (((input == 6) && ((( 43 < a29 && (a2==1)) || ( a29 <= -144 && (a2==2))) || ((a2==2) && ((-144 < a29) && (-16 >= a29)) ))) && -61 < a0 ))){
a29 = ((((((a29 * 9)/ 10) % 29)- -14) + -303719) + 303718);
a2 = 3;
return 26;
} else if(((a2==1) && (( 43 < a29 && ((input == 2) && ((-98 < a0) && (-61 >= a0)) )) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 * 5) + -378206) * 1);
a0 = (((((a0 + -41) + 3) * 5) % 24)- 116);
a29 = (((((a29 % 299928)- 300071) * 10)/ 9) + -191104);
return -1;
} else if((((((input == 4) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) )) && a4 <= -86 ) && (a2==3)) && -61 < a0 )){
a4 = ((((((a4 % 21)- 48) * 9)/ 10) / 5) + -43);
a0 = (((((a0 % 299926)+ -300072) * 1) / 5) - 339337);
a29 = (((((a29 % 63)- 79) + -57784) - -570548) - 512763);
a2 = 1;
return 22;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && (a2==4))) && ((-98 < a0) && (-61 >= a0)) )){
if( ((-16 < a29) && (43 >= a29)) ){
a29 = ((((a29 % 299978)- -300021) + 0) * 1);
} else{
a4 = (((a4 * 5) - 209138) * 2);
a0 = (((a0 - -253752) + -726068) - 17929);
a29 = ((((a29 % 299928)+ -300071) + -1) - 1);
a2 = 3;
} return -1;
} else if(((a2==2) && (((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 3)) && ((-98 < a0) && (-61 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = ((((a4 * 10)/ 4) / 5) * 5);
a0 = (((a0 + 570549) + 7739) + 17884);
a29 = ((((a29 - -418570) / 5) - 588464) - -504725);
a2 = 4;
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ((((input == 2) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (a2==4)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 - 175972) - 86348) + -117422);
a0 = (((a0 + -58554) + -305933) - 232165);
a29 = (((((a29 + 0) - 0) - 0) % 29)- -29);
a2 = 1;
return 26;
} else if(( ((-147 < a0) && (-98 >= a0)) && ( ((-86 < a4) && (-42 >= a4)) && (((input == 2) && (( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) || 43 < a29 )) && (a2==5))))){
a4 = (((a4 + 316167) + -662467) * 1);
a29 = ((((a29 % 29)- -13) + 0) - 0);
a2 = 4;
return -1;
} else if(( 43 < a29 && ( a4 <= -86 && ( -61 < a0 && ((a2==3) && (input == 3)))))){
a0 = ((((a0 % 299926)- 300072) - 0) - 1);
a29 = ((((a29 % 299928)- 300071) + 99924) + -200774);
a2 = 1;
return -1;
} else if((((((input == 1) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) ) && (a2==3))){
if( ((-98 < a0) && (-61 >= a0)) ){
a29 = ((((((a29 % 29)- -13) + -61659) * 5) % 29)+ 24);
a2 = 5;
} else{
a0 = (((a0 - 401265) / 5) + -135803);
a29 = ((((a29 % 299978)+ 300021) - 0) * 1);
a2 = 4;
} return 22;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( a0 <= -147 && ((( ((-144 < a29) && (-16 >= a29)) && (a2==2)) || (( 43 < a29 && (a2==1)) || ((a2==2) && a29 <= -144 ))) && (input == 1))))){
a29 = ((((((a29 - 0) - 0) * 9)/ 10) % 29)- -13);
a2 = 2;
return 21;
} else if(((a2==4) && ((((input == 3) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) ))){
a0 = ((((a0 * 5) - 152016) * 10)/ 9);
a29 = ((((a29 % 299928)+ -300071) + 0) * 1);
a2 = 3;
return -1;
} else if(((a2==4) && ((((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 1)) && a4 <= -86 ) && -61 < a0 ))){
a0 = (((((a0 - 0) % 299926)- 300072) + 580975) - 580976);
a29 = (((a29 - 0) / 5) - 197811);
a2 = 1;
return -1;
} else if((((a2==4) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 4)) && ((-98 < a0) && (-61 >= a0)) )) && ((-86 < a4) && (-42 >= a4)) )){
a0 = ((((a0 - 43) * 5) % 24)+ -121);
a29 = ((((a29 % 63)- 79) - -14650) + -14651);
a2 = 2;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ( 43 < a29 && ((input == 3) && (a2==1)))) && ((-98 < a0) && (-61 >= a0)) )){
a0 = (((((a0 * 5) - 204273) * 2) % 24)- 115);
a29 = ((((a29 + 0) / 5) % 29)+ -10);
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ((a2==1) && ( ((-86 < a4) && (-42 >= a4)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 3)))))){
a0 = (((a0 - 558048) + -12197) - 637);
a29 = ((((a29 % 63)- 78) + -41396) - -41393);
a2 = 3;
return -1;
} else if(( a0 <= -147 && (((((a2==2) && ((-144 < a29) && (-16 >= a29)) ) || (( 43 < a29 && (a2==1)) || ( a29 <= -144 && (a2==2)))) && (input == 2)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = ((((a4 * 10)/ 4) - 138332) + -409121);
a29 = (((((a29 % 299928)+ -300071) + 218992) * 1) + -218992);
a2 = 1;
return -1;
} else if(((( ((-86 < a4) && (-42 >= a4)) && ((input == 2) && (a2==2))) && ((-147 < a0) && (-98 >= a0)) ) && ((-144 < a29) && (-16 >= a29)) )){
a4 = (((a4 / 5) - 28051) / 5);
a0 = (((a0 - -70089) + 469661) + -953384);
a2 = 1;
return -1;
} else if((((( ((-98 < a0) && (-61 >= a0)) && (input == 2)) && a29 <= -144 ) && (a2==2)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = (((a4 + -494899) * 1) - 70550);
a0 = ((((a0 - -314354) + 111880) * 10)/ 9);
a29 = ((((a29 + 0) / 5) % 63)- 54);
a2 = 1;
return -1;
} else if((((a2==5) && ( -61 < a0 && ((input == 5) && 43 < a29 ))) && a4 <= -86 )){
a4 = ((((((a4 % 21)- 62) - 1) * 5) % 21)- 47);
a0 = ((((a0 / 5) + 345979) * 10)/ -9);
a2 = 3;
return 22;
} else if((((( a0 <= -147 && (input == 6)) && (a2==5)) && 43 < a29 ) && ((-86 < a4) && (-42 >= a4)) )){
a2 = 2;
return -1;
} else if(( 43 < a29 && ((((input == 4) && a0 <= -147 ) && ((-86 < a4) && (-42 >= a4)) ) && (a2==5)))){
a4 = ((((a4 * 21)/ 10) * 5) - 593094);
a0 = ((((((a0 % 24)- 122) + -1) * 5) % 24)+ -109);
return -1;
} else if((( ((-147 < a0) && (-98 >= a0)) && ((a2==1) && ((input == 3) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))) && ((-86 < a4) && (-42 >= a4)) )){
a0 = (((a0 + -127384) / 5) + -187730);
a29 = (((((a29 - -345279) + -27646) * 1) % 299928)- 300071);
a2 = 4;
return -1;
} else if(( -61 < a0 && (((input == 1) && ((( 43 < a29 && (a2==1)) || ( a29 <= -144 && (a2==2))) || ( ((-144 < a29) && (-16 >= a29)) && (a2==2)))) && a4 <= -86 ))){
a0 = (((((a0 % 299926)+ -300072) / 5) - -67866) - 413054);
a29 = ((((a29 % 299928)+ -300071) + -1) - 1);
a2 = 1;
return -1;
} else if(((( ((-98 < a0) && (-61 >= a0)) && ((input == 6) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && (a2==3)) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 - 339023) + -231980) - -829860) - 719049);
a0 = (((a0 / 5) * 5) + -38);
a29 = ((((a29 - 0) + 561071) % 299978)- -300021);
a2 = 5;
return -1;
} else if(((a2==3) && (( ((-98 < a0) && (-61 >= a0)) && ((input == 4) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = ((((a4 * 10)/ 4) - -506734) - 541845);
a29 = ((((a29 % 63)- 80) + 2) + -3);
a2 = 1;
return 22;
} else if(( -61 < a0 && ((((( 43 < a29 && (a2==1)) || ( a29 <= -144 && (a2==2))) || ( ((-144 < a29) && (-16 >= a29)) && (a2==2))) && (input == 2)) && a4 <= -86 ))){
a0 = (((((a0 % 299926)+ -300072) - 2) + 355893) - 355891);
a29 = (((((a29 % 299928)- 300071) + 0) / 5) + -174546);
a2 = 1;
return -1;
} else if(((((input == 1) && (( a29 <= -144 && (a2==2)) || (( ((-16 < a29) && (43 >= a29)) && (a2==1)) || ((a2==1) && 43 < a29 )))) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) )){
a0 = ((((a0 * 10)/ 6) * 5) + -500106);
a29 = (((a29 / 5) + 469185) + 438);
a2 = 2;
return 21;
} else if(((( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && (input == 3))) && (a2==5)) && 43 < a29 )){
a4 = (((a4 - 205078) * 2) + -14481);
a29 = (((((a29 % 299928)+ -300071) + -41059) * 10)/ 9);
a2 = 1;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 5)) && a0 <= -147 )) && (a2==3))){
a4 = ((((a4 * 21)/ 10) + -45471) - 243489);
a29 = (((a29 / 5) - -107734) + 61057);
a2 = 5;
return -1;
} else if(((a2==2) && ((((input == 3) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 ))){
a29 = ((((a29 % 299978)- -300021) - -1) + 0);
return 26;
} else if(((( ((-86 < a4) && (-42 >= a4)) && ( ((-147 < a0) && (-98 >= a0)) && (input == 2))) && (a2==5)) && a29 <= -144 )){
a4 = (((a4 + 50595) + -107412) + -84938);
a0 = (((((a0 % 18)- 61) - 8) + -274611) - -274610);
a29 = ((((((a29 * 9)/ 10) / 5) * 5) % 29)+ 42);
a2 = 2;
return -1;
} else if((( -61 < a0 && ((input == 5) && ((((a2==1) && 43 < a29 ) || ((a2==2) && a29 <= -144 )) || ( ((-144 < a29) && (-16 >= a29)) && (a2==2))))) && a4 <= -86 )){
a0 = (((((a0 % 299926)- 300072) * 1) / 5) + -364241);
a29 = ((((a29 % 299928)+ -300071) * 1) + -2);
a2 = 1;
return -1;
} else if(((a2==1) && ((((input == 1) && ( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) ))){
a4 = ((((a4 * 10)/ 4) * 5) / 5);
a29 = ((((a29 % 299928)+ -300071) + 0) * 1);
a2 = 3;
return -1;
} else if(((( ((-147 < a0) && (-98 >= a0)) && ((a2==2) && (input == 6))) && ((-86 < a4) && (-42 >= a4)) ) && ((-16 < a29) && (43 >= a29)) )){
a4 = (((a4 / 5) + 304026) - 427802);
a0 = (((a0 * 5) - 577550) * 1);
a2 = 3;
return -1;
} else if(( ((-98 < a0) && (-61 >= a0)) && ( 43 < a29 && (((a2==2) && (input == 2)) && ((-86 < a4) && (-42 >= a4)) )))){
if((a2==3)){
a2 = 1;
} else{
a0 = ((((a0 + -367017) - -366972) + -502345) + 502343);
a29 = ((((a29 * 9)/ 10) - 582444) - 2215);
a2 = 1;
} return -1;
} else if(((((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 3)) && ((-86 < a4) && (-42 >= a4)) ) && ((-98 < a0) && (-61 >= a0)) ) && (a2==3))){
a4 = (((a4 + 359989) / 5) + -145327);
a29 = (((((a29 % 63)+ -80) - 1) * 9)/ 10);
a2 = 1;
return -1;
} else if(( ((-147 < a0) && (-98 >= a0)) && (( ((-86 < a4) && (-42 >= a4)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 4))) && (a2==3)))){
a4 = ((((a4 * 5) * 10)/ 9) - 472916);
a0 = (((a0 * 5) + -199603) + -185614);
a29 = ((((a29 % 299928)- 300071) + -1) * 1);
a2 = 1;
return -1;
} else if(((a2==1) && (((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 6)) && a4 <= -86 ) && -61 < a0 ))){
a0 = ((((a0 * 9)/ 10) - 587044) + -1747);
a29 = (((a29 - 138235) - 4077) / 5);
return -1;
} else if(( -61 < a0 && ( a4 <= -86 && (((input == 5) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) )) && (a2==1))))){
a0 = (((((a0 % 299926)- 300072) - 3) + 505433) - 505432);
a29 = (((a29 - 76359) - 240588) * 1);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((((input == 5) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && ((-98 < a0) && (-61 >= a0)) ) && (a2==4)))){
if( ((-16 < a29) && (43 >= a29)) ){
a4 = (((a4 + -550870) - 30700) + -8946);
a0 = (((a0 - 347957) - -538641) + 141803);
a29 = ((((((a29 * 9)/ 10) % 29)- -38) + 300246) + -300253);
a2 = 1;
} else{
a29 = ((((a29 / 5) % 29)- -23) + -10);
a2 = 3;
} return -1;
} else if((( a0 <= -147 && (((input == 1) && ((-86 < a4) && (-42 >= a4)) ) && (a2==1))) && ((-16 < a29) && (43 >= a29)) )){
a29 = (((a29 + 573320) + 18246) * 1);
a2 = 4;
return 22;
} else if((( -61 < a0 && ((((a2==5) && ((-144 < a29) && (-16 >= a29)) ) || (( 43 < a29 && (a2==4)) || ((a2==5) && a29 <= -144 ))) && (input == 6))) && a4 <= -86 )){
a0 = ((((a0 % 299926)+ -300072) / 5) + -390280);
a29 = (((((a29 % 299928)+ -300071) / 5) * 5) - 4);
a2 = 1;
return -1;
} else if(( ((-147 < a0) && (-98 >= a0)) && ((a2==5) && (((input == 4) && ( 43 < a29 || ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) )))){
a0 = (((((a0 * 10)/ 6) + 363321) * -1)/ 10);
a29 = ((((a29 % 299978)- -300021) - 439759) - -439760);
a2 = 4;
return 22;
} else if((( a0 <= -147 && (((input == 4) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) )) && (a2==4))){
if( a0 <= -147 ){
a0 = (((((a0 / 5) - 10779) * 4) % 24)- 116);
a29 = (((((a29 % 63)- 78) * 1) - 400269) - -400266);
a2 = 5;
} else{
a29 = (((((a29 / 5) - -358331) - 904415) * -1)/ 10);
} return 22;
} else if(((((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 6)) && a4 <= -86 ) && (a2==3)) && -61 < a0 )){
a0 = ((((a0 % 299926)- 300072) + -2) + -1);
a29 = ((((a29 - 117398) + 20287) * 10)/ 9);
a2 = 1;
return -1;
} else if((((((input == 6) && a29 <= -144 ) && ((-86 < a4) && (-42 >= a4)) ) && (a2==5)) && ((-147 < a0) && (-98 >= a0)) )){
a0 = ((((a0 * 15)/ 10) * 5) * 5);
a29 = (((((((a29 % 29)- -32) * 9)/ 10) * 5) % 29)+ 5);
a2 = 2;
return -1;
} else if((((((input == 4) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) ) && (a2==5)) && a0 <= -147 )){
a4 = ((((a4 / 5) - 475134) * 10)/ 9);
a0 = (((a0 + 600138) + 8) * 1);
a29 = ((((a29 % 299978)- -300021) * 1) * 1);
a2 = 2;
return 22;
} else if(( -61 < a0 && (((a2==3) && ( a4 <= -86 && (input == 1))) && 43 < a29 ))){
a4 = ((((a4 % 21)- 60) - 76016) + 76016);
a0 = ((((a0 + 0) * 9)/ 10) - 595384);
a29 = (((((a29 * 9)/ 10) + -532371) % 29)+ 13);
a2 = 1;
return 21;
} else if((( ((-86 < a4) && (-42 >= a4)) && (((input == 6) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )) && (a2==5))) && a0 <= -147 )){
a29 = (((((a29 % 29)- -14) + -387824) + 752212) + -364388);
return 22;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((a2==4) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 4)))) && ((-147 < a0) && (-98 >= a0)) )){
a0 = ((((a0 - 283784) + -203187) * 10)/ 9);
a29 = ((((a29 * 9)/ 10) - 36588) - -616793);
a2 = 5;
return 22;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 5)) && ((-98 < a0) && (-61 >= a0)) )) && (a2==3))){
if( a0 <= -147 ){
a4 = (((a4 - 538200) * 1) + -6027);
a0 = (((((a0 + 338124) + -338172) * 5) % 24)- 116);
a29 = (((((a29 + 217515) * 1) * 1) % 29)- -13);
a2 = 4;
} else{
a4 = (((a4 + -350456) * 1) + -153833);
a0 = (((a0 - 245704) + 245659) - -1);
a29 = ((((a29 - 0) / 5) % 63)+ -53);
a2 = 5;
} return -1;
} else if(( a4 <= -86 && ((((((a2==1) && 43 < a29 ) || ((a2==2) && a29 <= -144 )) || ( ((-144 < a29) && (-16 >= a29)) && (a2==2))) && (input == 4)) && -61 < a0 ))){
a29 = ((((a29 % 299978)- -300021) - 0) + 0);
a2 = 3;
return 21;
} else if((((a2==3) && (((input == 5) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && ((-86 < a4) && (-42 >= a4)) )) && ((-98 < a0) && (-61 >= a0)) )){
a4 = ((((a4 * 10)/ 4) + -494230) / 5);
a29 = ((((a29 + -416279) % 29)- -14) - 1);
a2 = 2;
return 21;
} else if(( ((-98 < a0) && (-61 >= a0)) && (((a2==3) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 6))) && ((-86 < a4) && (-42 >= a4)) ))){
if( -61 < a0 ){
a0 = ((((a0 + 145127) + 195081) * 10)/ -9);
a29 = ((((a29 + -380697) % 299978)- -300021) * 1);
a2 = 5;
} else{
a0 = ((((a0 + 207710) - 207755) + 233903) + -233904);
a29 = ((((a29 % 29)- -14) / 5) + 7);
a2 = 1;
} return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-147 < a0) && (-98 >= a0)) && ((a2==2) && ( ((-144 < a29) && (-16 >= a29)) && (input == 5)))))){
a4 = (((a4 - 7082) / 5) * 5);
a0 = (((a0 / 5) + -422618) - 20096);
a29 = ((((a29 * 5) * -6)/ 10) * 5);
a2 = 5;
return -1;
} else if(((((((a2==3) && ((-144 < a29) && (-16 >= a29)) ) || (((a2==2) && 43 < a29 ) || ((a2==3) && a29 <= -144 ))) && (input == 6)) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) )){
if( ((-147 < a0) && (-98 >= a0)) ){
a29 = (((((a29 - 0) + 0) + 0) % 299978)+ 300021);
a2 = 2;
} else{
a0 = (((a0 + -433671) / 5) * 5);
a29 = (((((a29 + 0) % 63)- 80) / 5) + -92);
a2 = 5;
} return 22;
} else if(((a2==3) && ( ((-147 < a0) && (-98 >= a0)) && ((( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 6)) && ((-86 < a4) && (-42 >= a4)) )))){
a4 = ((((a4 * 5) * 5) * 10)/ 9);
a0 = ((((a0 / 5) * 78)/ 10) - 489010);
a29 = ((((a29 * 9)/ 10) - 579679) * 1);
a2 = 1;
return -1;
} else if(((((( ((-16 < a29) && (43 >= a29)) || ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && (input == 1)) && (a2==3)) && ((-86 < a4) && (-42 >= a4)) ) && a0 <= -147 )){
a4 = (((a4 * 5) + -32547) * 5);
a0 = ((((a0 / 5) % 18)- 77) - 2);
a29 = ((((a29 + 577364) % 299928)- 300071) + -2);
return -1;
} else if(((a2==2) && (( ((-98 < a0) && (-61 >= a0)) && ((input == 5) && ( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ))){
a29 = ((((((a29 % 63)- 80) * 5) * 5) % 63)+ -45);
a2 = 3;
return -1;
} else if(( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && ((a2==1) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 5)))))){
a4 = (((a4 / 5) + -69516) / 5);
a0 = (((((a0 % 24)- 100) / 5) * 61)/ 10);
a29 = ((((a29 + 0) % 29)- -25) / 5);
a2 = 5;
return -1;
} else if(((((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 1)) && ((-147 < a0) && (-98 >= a0)) ) && ((-86 < a4) && (-42 >= a4)) ) && (a2==4))){
a29 = ((((a29 % 299928)- 144) + -181525) + 96009);
a2 = 1;
return 26;
} else if((((((input == 6) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) ) && (a2==5)) && ((-98 < a0) && (-61 >= a0)) )){
a0 = (((((a0 * 10)/ 4) * 10)/ 9) - 507512);
a29 = (((((a29 / 5) - 91161) / 5) % 63)- 80);
return 22;
} else if((( a0 <= -147 && ((input == 3) && ((( 43 < a29 && (a2==1)) || ( a29 <= -144 && (a2==2))) || ((a2==2) && ((-144 < a29) && (-16 >= a29)) )))) && ((-86 < a4) && (-42 >= a4)) )){
a0 = ((((a0 - -170985) - 169742) % 24)+ -121);
a29 = (((((a29 + 0) % 63)- 80) - -45522) + -45522);
a2 = 1;
return 21;
} else if(( -61 < a0 && (((input == 4) && (( ((-144 < a29) && (-16 >= a29)) && (a2==5)) || (((a2==4) && 43 < a29 ) || ((a2==5) && a29 <= -144 )))) && a4 <= -86 ))){
a0 = ((((a0 % 299926)+ -300072) / 5) - 264648);
a29 = ((((a29 + 0) % 299928)- 300071) - 0);
a2 = 1;
return -1;
} else if(((a2==4) && ( ((-147 < a0) && (-98 >= a0)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 5)) && ((-86 < a4) && (-42 >= a4)) )))){
a4 = ((((a4 * 10)/ 4) - 249415) - 6157);
a0 = ((((a0 * 10)/ 6) / 5) + -139723);
a29 = ((((a29 + 0) % 299928)- 144) * 1);
a2 = 1;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-98 < a0) && (-61 >= a0)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 1)) && (a2==4))))){
a4 = (((a4 + -3562) - 172744) + -275564);
a0 = (((a0 + -141190) + -295915) / 5);
a29 = (((((a29 % 63)+ -63) + 12) - -297123) - 297094);
a2 = 2;
return -1;
} else if((((( ((-86 < a4) && (-42 >= a4)) && (input == 5)) && ((-98 < a0) && (-61 >= a0)) ) && (a2==2)) && 43 < a29 )){
a4 = (((a4 * 5) * 5) + -392587);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==2) && (( 43 < a29 && (input == 1)) && ((-98 < a0) && (-61 >= a0)) )))){
a4 = ((((a4 * 10)/ 4) * 5) + -539534);
a0 = (((a0 / 5) + 96252) / 5);
a29 = (((((a29 / 5) + 107358) * 2) % 63)+ -112);
return 22;
} else if(((a2==5) && ( ((-86 < a4) && (-42 >= a4)) && ( ((-98 < a0) && (-61 >= a0)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 6)))))){
a4 = (((((a4 - -92469) / 5) / 5) * -1)/ 10);
a29 = (((((a29 % 299978)- -300021) + -100467) / 5) - -264530);
a2 = 3;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==5) && ( ((-98 < a0) && (-61 >= a0)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 1)))))){
a4 = ((((a4 + -469882) * 10)/ 9) - 73224);
a29 = (((a29 / 5) - 149597) + -40814);
a2 = 3;
return 22;
} else if(( ((-147 < a0) && (-98 >= a0)) && (((a2==1) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 1))) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 + -119083) / 5) - 259714);
a0 = (((((a0 * 15)/ 10) * 10)/ 9) + -14455);
a29 = (((a29 / 5) + -325971) * 1);
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((((((a2==2) && 43 < a29 ) || ((a2==3) && a29 <= -144 )) || ((a2==3) && ((-144 < a29) && (-16 >= a29)) )) && (input == 3)) && ((-147 < a0) && (-98 >= a0)) ))){
a4 = (((a4 + -513094) + -85153) - 1529);
a0 = ((((a0 % 18)- 68) - -263551) - 263549);
a29 = ((((a29 % 299928)+ -300071) * 1) - 1);
a2 = 1;
return -1;
} else if(( a0 <= -147 && ((((a2==1) && (input == 4)) && ((-86 < a4) && (-42 >= a4)) ) && ((-16 < a29) && (43 >= a29)) ))){
a4 = (((a4 - 467094) - -9544) * 1);
a0 = (((a0 - -542155) - -57832) + 130);
a29 = ((((a29 - 101) / 5) + 573816) - 573849);
a2 = 2;
return 26;
} else if(( ((-16 < a29) && (43 >= a29)) && ( ((-147 < a0) && (-98 >= a0)) && ((a2==2) && ((input == 2) && ((-86 < a4) && (-42 >= a4)) ))))){
a4 = ((((a4 * 10)/ 4) / 5) - 538737);
a0 = (((a0 / 5) + -413860) + 135682);
a29 = (((((a29 + -84) + 101720) * 5) % 63)- 111);
a2 = 1;
return -1;
} else if((((a2==1) && ((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 2)) && a4 <= -86 )) && -61 < a0 )){
a29 = ((((a29 - -384948) * -1)/ 10) * 5);
a2 = 2;
return 21;
} else if(((a2==4) && (( ((-86 < a4) && (-42 >= a4)) && ((input == 6) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 ))) && ((-147 < a0) && (-98 >= a0)) ))){
a4 = ((((a4 * 21)/ 10) * 5) / 5);
a0 = (((((a0 / 5) * 78)/ 10) / 5) + -577837);
a29 = (((((a29 % 29)+ 13) / 5) + 56090) - 56081);
a2 = 3;
return -1;
} else if((( a0 <= -147 && (((input == 6) && ((-86 < a4) && (-42 >= a4)) ) && (a2==1))) && ((-16 < a29) && (43 >= a29)) )){
a4 = (((((a4 * 10)/ 4) * 5) - -461601) - 1009325);
a29 = (((a29 - 154537) * 3) / 5);
return -1;
} else if(( a4 <= -86 && (((((a2==3) && a29 <= -144 ) || (((a2==2) && ((-16 < a29) && (43 >= a29)) ) || ( 43 < a29 && (a2==2)))) && (input == 4)) && -61 < a0 ))){
if((a2==1)){
a4 = ((((((a4 - 0) % 21)+ -46) / 5) * 59)/ 10);
a0 = (((((a0 % 24)+ -121) + -1) / 5) + -107);
a29 = (((((a29 % 299928)+ -300071) * 1) + 266435) - 266436);
a2 = 4;
} else{
a29 = (((((a29 * 9)/ 10) / 5) % 29)- -13);
a2 = 5;
} return 26;
} else if(( ((-144 < a29) && (-16 >= a29)) && ((a2==2) && (( ((-86 < a4) && (-42 >= a4)) && (input == 6)) && ((-147 < a0) && (-98 >= a0)) )))){
a4 = ((((a4 * 5) - -277812) + 281460) + -586903);
a0 = (((a0 + -590086) + -3070) * 1);
a29 = ((((a29 - -298590) % 29)- -11) + 1);
a2 = 3;
return -1;
} else if(( ((-86 < a4) && (-42 >= a4)) && ( ((-147 < a0) && (-98 >= a0)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 3)) && (a2==4))))){
a0 = (((a0 * 5) * 5) + -226030);
a29 = (((((a29 % 29)- -31) + -437215) + -100009) + 537223);
a2 = 5;
return 22;
} else if(( ((-86 < a4) && (-42 >= a4)) && ((a2==5) && (((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 1)) && a0 <= -147 )))){
a4 = ((((((a4 * 10)/ 4) - 219251) + 313842) * -1)/ 10);
a0 = (((((a0 % 24)+ -114) * 5) % 24)+ -100);
a29 = (((((a29 % 299978)- -300021) + 0) / 5) - -56448);
a2 = 4;
return -1;
} else if(((( ((-16 < a29) && (43 >= a29)) && ( ((-86 < a4) && (-42 >= a4)) && (input == 2))) && a0 <= -147 ) && (a2==1))){
a4 = (((a4 / 5) - 423836) / 5);
a29 = (((a29 / 5) + -232495) + -191727);
return -1;
} else if((( ((-147 < a0) && (-98 >= a0)) && (( ((-16 < a29) && (43 >= a29)) && (input == 3)) && (a2==2))) && ((-86 < a4) && (-42 >= a4)) )){
a0 = (((a0 - 182793) - 17271) + -5363);
a29 = ((((a29 + -61) - -1) / 5) - 18);
a2 = 3;
return -1;
} else if(((a2==3) && ( ((-98 < a0) && (-61 >= a0)) && ( ((-86 < a4) && (-42 >= a4)) && ((input == 1) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )))))){
if((a2==4)){
a4 = ((((a4 + -299499) - 63850) * 10)/ 9);
a29 = (((a29 / 5) + -305253) * 1);
} else{
a4 = ((((((a4 * 21)/ 10) + 263628) / 5) * -1)/ 10);
a0 = (((((a0 * 10)/ 4) * 5) - -456731) - 842965);
a29 = ((((a29 - 0) + 0) % 299978)+ 300021);
a2 = 2;
} return -1;
} else if(( a4 <= -86 && (( -61 < a0 && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 6))) && (a2==4)))){
a0 = (((((a0 + 0) % 299926)+ -300072) + 120564) - 120564);
a29 = (((((a29 % 299928)- 300071) + 122297) * 1) - 122298);
a2 = 1;
return -1;
} else if(( a4 <= -86 && ( ((-16 < a29) && (43 >= a29)) && (( -61 < a0 && (input == 2)) && (a2==5))))){
a0 = ((((a0 * 9)/ 10) + 1586) - 558159);
a29 = ((((a29 - -259897) * 10)/ -9) * 2);
a2 = 1;
return -1;
} else if((((a2==1) && ((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) && (input == 4)) && a4 <= -86 )) && -61 < a0 )){
a29 = (((a29 / 5) / 5) + 4459);
a2 = 2;
return 22;
} else if((( ((-16 < a29) && (43 >= a29)) && ( a4 <= -86 && ( -61 < a0 && (input == 1)))) && (a2==5))){
a4 = ((((((a4 % 21)- 54) - 6) / 5) * 49)/ 10);
a0 = (((((a0 % 24)- 122) - 1) + -244070) + 244070);
a29 = ((((a29 - 83) * 10)/ 9) + 25);
a2 = 1;
return 26;
} else if(( ((-98 < a0) && (-61 >= a0)) && ( ((-86 < a4) && (-42 >= a4)) && (((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )) && (a2==5))))){
a4 = (((a4 - 3094) + -312684) - 267039);
a0 = (((a0 - 345188) * 1) - -345143);
a29 = (((((a29 % 29)- -13) + 0) - 546639) - -546639);
a2 = 2;
return -1;
}
return calculate_output2(input);
}
int calculate_output2(int input) {
if(((( ((-86 < a4) && (-42 >= a4)) && ((input == 3) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && (a2==4)) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((((a4 * 10)/ 4) * 10)/ 9) - 397224);
a0 = (((a0 - 215873) - 88181) - 261733);
a29 = (((((a29 / 5) + -97608) / 5) % 63)+ -45);
a2 = 5;
return -1;
} else if((((a2==3) && ( ((-86 < a4) && (-42 >= a4)) && ((input == 6) && (( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) )))) && a0 <= -147 )){
a4 = ((((a4 / 5) + -351472) * 10)/ 9);
a29 = ((((a29 % 29)+ 13) - -213179) + -213178);
return -1;
} else if(( -61 < a0 && ( a4 <= -86 && (( 43 < a29 && (input == 6)) && (a2==3))))){
a0 = ((((a0 % 299926)- 300072) + -3) + 0);
a29 = (((a29 / 5) - 393067) + -7867);
a2 = 1;
return -1;
} else if(( a0 <= -147 && ((((((a2==3) && 43 < a29 ) || ((a2==4) && a29 <= -144 )) || ( ((-144 < a29) && (-16 >= a29)) && (a2==4))) && (input == 3)) && ((-86 < a4) && (-42 >= a4)) ))){
a4 = (((a4 * 5) - 228549) * 2);
a0 = ((((a0 - -354541) / 5) % 24)+ -121);
a29 = (((((a29 + 0) % 299928)- 300071) / 5) - 431072);
a2 = 2;
return -1;
} else if(((a2==2) && ( ((-144 < a29) && (-16 >= a29)) && ( ((-86 < a4) && (-42 >= a4)) && ((input == 3) && ((-147 < a0) && (-98 >= a0)) ))))){
if( ((-98 < a0) && (-61 >= a0)) ){
} else{
a0 = (((a0 - 548873) + -8551) - 28143);
a29 = ((((a29 * 91)/ 10) + -24030) * 5);
a2 = 3;
} return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((a2==4) && ((input == 2) && ( ((-16 < a29) && (43 >= a29)) || 43 < a29 )))) && ((-147 < a0) && (-98 >= a0)) )){
a4 = (((a4 - 284947) + -248704) / 5);
a0 = (((a0 - 252835) * 2) + -2618);
a29 = (((((a29 + 0) - 575700) * 1) % 63)- 79);
a2 = 1;
return -1;
} else if((((((input == 4) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) )) && ((-86 < a4) && (-42 >= a4)) ) && (a2==3)) && ((-98 < a0) && (-61 >= a0)) )){
a4 = (((a4 - 252198) / 5) * 5);
a0 = (((a0 - 552451) * 1) + -37368);
a29 = ((((a29 - 0) - -265598) % 299978)- -300021);
return 26;
} else if((( ((-98 < a0) && (-61 >= a0)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) && (input == 3)) && ((-86 < a4) && (-42 >= a4)) )) && (a2==3))){
a29 = ((((a29 % 29)- -28) - 5) - 3);
return 26;
} else if(( ((-98 < a0) && (-61 >= a0)) && (((a2==5) && ((input == 5) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ))){
if( ((-144 < a29) && (-16 >= a29)) ){
a0 = (((((a0 - 391159) / 5) + 474417) * -1)/ 10);
a29 = ((((a29 + 321043) - 44655) % 299928)+ -300071);
a2 = 2;
} else{
a4 = ((((a4 * 10)/ 4) / 5) - 33144);
a0 = ((((a0 / 5) * 123)/ 10) * 5);
a29 = (((((a29 * 9)/ 10) + 432860) + -149935) - 317631);
a2 = 3;
} return 26;
} else if((( ((-147 < a0) && (-98 >= a0)) && ((input == 2) && (((a2==3) && ((-144 < a29) && (-16 >= a29)) ) || (((a2==2) && 43 < a29 ) || ( a29 <= -144 && (a2==3)))))) && ((-86 < a4) && (-42 >= a4)) )){
a4 = ((((a4 / 5) / 5) / 5) + -458972);
a0 = (((((a0 * 15)/ 10) + -283184) * 10)/ 9);
a29 = (((a29 / 5) - 94068) + -91929);
a2 = 3;
return -1;
} else if((( ((-86 < a4) && (-42 >= a4)) && ((a2==5) && ((( ((-144 < a29) && (-16 >= a29)) || ((-16 < a29) && (43 >= a29)) ) || 43 < a29 ) && (input == 3)))) && ((-147 < a0) && (-98 >= a0)) )){
a4 = (((a4 - 65033) - 174567) * 2);
a29 = (((((a29 * 9)/ 10) % 29)- -14) + -1);
a2 = 2;
return -1;
} else if(((((a2==4) && ((input == 6) && ( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ))) && ((-86 < a4) && (-42 >= a4)) ) && ((-147 < a0) && (-98 >= a0)) )){
a4 = (((a4 + 416590) + -672129) * 2);
a0 = (((a0 + -331324) + -72862) + -9547);
a29 = ((((a29 + 0) / 5) / 5) + -415155);
a2 = 1;
return -1;
} else if((((a2==5) && ( ((-86 < a4) && (-42 >= a4)) && ((( a29 <= -144 || ((-144 < a29) && (-16 >= a29)) ) || ((-16 < a29) && (43 >= a29)) ) && (input == 5)))) && a0 <= -147 )){
a4 = (((a4 * 5) + -29347) + -97982);
a0 = (((((a0 % 18)+ -74) / 5) * 49)/ 10);
a29 = ((((a29 - -237985) % 299978)+ 300021) * 1);
a2 = 3;
return -1;
} else if(((a2==4) && ( a0 <= -147 && ( ((-86 < a4) && (-42 >= a4)) && (( ((-16 < a29) && (43 >= a29)) || 43 < a29 ) && (input == 3)))))){
a4 = (((a4 / 5) + -251576) * 2);
a0 = (((((a0 + 0) % 24)+ -113) / 5) - 105);
a29 = (((((a29 / 5) - -479587) - -287) % 29)+ 3);
a2 = 2;
return -1;
}
return -2;
}
int main()
{
// default output
int output = -1;
// main i/o-loop
while(1)
{
// read input
int input;
input = __VERIFIER_nondet_int();
if ((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) return -2;
// operate eca engine
output = calculate_output(input);
}
}
|
the_stack_data/126703528.c
|
// RUN: %clang_cc1 -fms-extensions -DDECLARE_SETJMP -triple i686-windows-msvc -emit-llvm %s -o - | FileCheck --check-prefix=I386 %s
// RUN: %clang_cc1 -fms-extensions -DDECLARE_SETJMP -triple x86_64-windows-msvc -emit-llvm %s -o - | FileCheck --check-prefix=X64 %s
// RUN: %clang_cc1 -fms-extensions -triple i686-windows-msvc -emit-llvm %s -o - | FileCheck --check-prefix=I386 %s
// RUN: %clang_cc1 -fms-extensions -triple x86_64-windows-msvc -emit-llvm %s -o - | FileCheck --check-prefix=X64 %s
typedef char jmp_buf[1];
#ifdef DECLARE_SETJMP
int _setjmp(jmp_buf env);
int _setjmpex(jmp_buf env);
#endif
jmp_buf jb;
int test_setjmp() {
return _setjmp(jb);
// I386-LABEL: define i32 @test_setjmp
// I386: %[[call:.*]] = call i32 (i8*, i32, ...) @_setjmp3(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @jb, i32 0, i32 0), i32 0)
// I386-NEXT: ret i32 %[[call]]
// X64-LABEL: define i32 @test_setjmp
// X64: %[[addr:.*]] = call i8* @llvm.frameaddress(i32 0)
// X64: %[[call:.*]] = call i32 @_setjmp(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @jb, i32 0, i32 0), i8* %[[addr]])
// X64-NEXT: ret i32 %[[call]]
}
int test_setjmpex() {
return _setjmpex(jb);
// X64-LABEL: define i32 @test_setjmpex
// X64: %[[addr:.*]] = call i8* @llvm.frameaddress(i32 0)
// X64: %[[call:.*]] = call i32 @_setjmpex(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @jb, i32 0, i32 0), i8* %[[addr]])
// X64-NEXT: ret i32 %[[call]]
}
|
the_stack_data/80045.c
|
#include <stdlib.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <netdb.h>
/*
* Brady Lange
* Program 4
* 5/4/18
* server.c
* This program communicates with the client by using read and write functions and a socket.
*/
//Main function
int main()
{
//Variables
int i;
socklen_t len;
char buffer[100];
int the_socket;
int serverData;
struct sockaddr_in address;
struct sockaddr_in client;
memset(&address, 0, sizeof(address));
//Setting the port of the server
address.sin_family = AF_INET;
address.sin_addr.s_addr = inet_addr("127.0.0.1");
address.sin_port = htons(5019);
//Creating the socket
if((serverData = socket(AF_INET, SOCK_STREAM, 0)) == 0)
{
//Error checking
perror("Socket creation failure.");
exit(EXIT_FAILURE);
}
//Binding the server with socket
if(bind(serverData, (struct sockaddr *)&address, sizeof(address)) < 0)
{
//Error checking
perror("Binding process failure.");
exit(EXIT_FAILURE);
}
//Listening for the client
if(listen(serverData, 3) < 0)
{
//Error checking
perror("Listen failure.");
exit(EXIT_FAILURE);
}
//Size of client
len = sizeof(client);
if((the_socket = accept(serverData, (struct sockaddr*) &client, &len)) < 0)
{
//Error checking
perror("Accept failure.");
exit(EXIT_FAILURE);
}
//Communicating with the client
while(1)
{
i = read(the_socket, buffer, 100);
printf("Message received from client: %s", buffer);
printf("\nEnter message to be sent to client: ");
fgets(buffer, 100, stdin);
i = write(the_socket, buffer, 100);
}
//Closing the socket
close(the_socket);
return 0;
} //End main function
|
the_stack_data/211081713.c
|
/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Laxmikant Rashinkar 2013 [email protected]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
/**
* An optimized hexdump function
*
* @param address address to display in address column
* @param buf data to hexdump
* @param len number of bytes to dump
*****************************************************************************/
void hexdump(int address, char *buf, int len)
{
uint32_t addr;
char outbuf[80];
int blocks;
int residual;
int i;
int j;
int buf_index;
int index2; /* data column */
int index3; /* ascii column */
unsigned char c;
char cvt[] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
};
if ((buf == NULL) || (len <= 0))
{
return;
}
addr = (address < 0) ? 0 : address;
blocks = len / 16;
residual = len - blocks * 16;
buf_index = 0;
for (i = 0; i < blocks; i++)
{
index2 = 10;
index3 = 60;
outbuf[9] = ' ';
outbuf[8] = ' ';
outbuf[7] = cvt[(addr >> 0) & 0x0000000f];
outbuf[6] = cvt[(addr >> 4) & 0x0000000f];
outbuf[5] = cvt[(addr >> 8) & 0x0000000f];
outbuf[4] = cvt[(addr >> 12) & 0x0000000f];
outbuf[3] = cvt[(addr >> 16) & 0x0000000f];
outbuf[2] = cvt[(addr >> 20) & 0x0000000f];
outbuf[1] = cvt[(addr >> 24) & 0x0000000f];
outbuf[0] = cvt[(addr >> 28) & 0x0000000f];
addr += 16;
/* insert spaces */
outbuf[8] = ' ';
outbuf[9] = ' ';
outbuf[58] = ' ';
outbuf[59] = ' ';
for (j = 0; j < 16; j++)
{
c = buf[buf_index++];
outbuf[index2++] = cvt[(c >> 4) & 0x0f];
outbuf[index2++] = cvt[(c >> 0) & 0x0f];
outbuf[index2++] = ' ';
if ((c >= 0x20) && (c <= 0x7e))
{
outbuf[index3++] = c;
}
else
{
outbuf[index3++] = '.';
}
}
outbuf[index3] = 0;
puts(outbuf);
}
if (!residual)
{
return;
}
outbuf[7] = cvt[(addr >> 0) & 0x0000000f];
outbuf[6] = cvt[(addr >> 4) & 0x0000000f];
outbuf[5] = cvt[(addr >> 8) & 0x0000000f];
outbuf[4] = cvt[(addr >> 12) & 0x0000000f];
outbuf[3] = cvt[(addr >> 16) & 0x0000000f];
outbuf[2] = cvt[(addr >> 20) & 0x0000000f];
outbuf[1] = cvt[(addr >> 24) & 0x0000000f];
outbuf[0] = cvt[(addr >> 28) & 0x0000000f];
addr += 16;
index2 = 10;
index3 = 60;
memset(&outbuf[8], ' ', 68);
for (j = 0; j < residual; j++)
{
c = buf[buf_index++];
outbuf[index2++] = cvt[(c >> 4) & 0x0f];
outbuf[index2++] = cvt[(c >> 0) & 0x0f];
outbuf[index2++] = ' ';
if ((c >= 0x20) && (c <= 0x7e))
{
outbuf[index3++] = c;
}
else
{
outbuf[index3++] = '.';
}
}
outbuf[index3] = 0;
puts(outbuf);
}
|
the_stack_data/93886683.c
|
/***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, L. Sekanina, Z. Vasicek "Libraries of Approximate Circuits: Automated Design and Application in CNN Accelerators" IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Vol 10, No 4, 2020
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and ep parameters
***/
// MAE% = 0.0031 %
// MAE = 0.25
// WCE% = 0.098 %
// WCE = 8.0
// WCRE% = 88.89 %
// EP% = 3.12 %
// MRE% = 0.063 %
// MSE = 2.0
// PDK45_PWR = 0.194 mW
// PDK45_AREA = 415.3 um2
// PDK45_DELAY = 1.44 ns
#include <stdint.h>
#include <stdlib.h>
uint64_t mul8x5u_379(const uint64_t A,const uint64_t B)
{
uint64_t dout_13, dout_14, dout_15, dout_16, dout_17, dout_18, dout_19, dout_20, dout_21, dout_22, dout_23, dout_24, dout_25, dout_26, dout_27, dout_28, dout_29, dout_30, dout_31, dout_32, dout_34, dout_36, dout_37, dout_38, dout_39, dout_40, dout_41, dout_42, dout_43, dout_44, dout_45, dout_46, dout_47, dout_48, dout_49, dout_50, dout_51, dout_52, dout_53, dout_54, dout_55, dout_56, dout_57, dout_58, dout_59, dout_60, dout_61, dout_62, dout_63, dout_64, dout_65, dout_66, dout_67, dout_68, dout_69, dout_70, dout_71, dout_72, dout_73, dout_74, dout_75, dout_76, dout_77, dout_78, dout_79, dout_80, dout_81, dout_82, dout_83, dout_84, dout_85, dout_86, dout_87, dout_88, dout_89, dout_90, dout_91, dout_92, dout_93, dout_94, dout_95, dout_96, dout_97, dout_98, dout_99, dout_100, dout_101, dout_102, dout_103, dout_104, dout_105, dout_106, dout_107, dout_108, dout_109, dout_110, dout_111, dout_112, dout_113, dout_114, dout_115, dout_116, dout_117, dout_118, dout_119, dout_120, dout_121, dout_122, dout_123, dout_124, dout_125, dout_126, dout_127, dout_128, dout_129, dout_130, dout_131, dout_132, dout_133, dout_134, dout_135, dout_136, dout_137, dout_138, dout_139, dout_140, dout_141, dout_142, dout_143, dout_144, dout_145, dout_146, dout_147, dout_148, dout_149, dout_150, dout_151, dout_152, dout_153, dout_154, dout_155, dout_156, dout_157, dout_158, dout_159, dout_160, dout_161, dout_162, dout_163, dout_164, dout_165, dout_166, dout_167, dout_168, dout_169, dout_170, dout_171, dout_172, dout_173, dout_174, dout_175, dout_176, dout_177, dout_178, dout_179, dout_180, dout_181, dout_182, dout_183, dout_184, dout_185, dout_186, dout_187, dout_188, dout_189, dout_190, dout_191, dout_192, dout_193, dout_194, dout_195, dout_196, dout_197;
uint64_t O;
dout_13=((A >> 0)&1)&((B >> 0)&1);
dout_14=((A >> 1)&1)&((B >> 0)&1);
dout_15=((A >> 2)&1)&((B >> 0)&1);
dout_16=((A >> 3)&1)&((B >> 0)&1);
dout_17=((A >> 4)&1)&((B >> 0)&1);
dout_18=((A >> 5)&1)&((B >> 0)&1);
dout_19=((A >> 6)&1)&((B >> 0)&1);
dout_20=((A >> 7)&1)&((B >> 0)&1);
dout_21=((A >> 0)&1)&((B >> 1)&1);
dout_22=((A >> 1)&1)&((B >> 1)&1);
dout_23=((A >> 2)&1)&((B >> 1)&1);
dout_24=((A >> 3)&1)&((B >> 1)&1);
dout_25=((A >> 4)&1)&((B >> 1)&1);
dout_26=((A >> 5)&1)&((B >> 1)&1);
dout_27=((A >> 6)&1)&((B >> 1)&1);
dout_28=((A >> 7)&1)&((B >> 1)&1);
dout_29=dout_14&dout_21;
dout_30=dout_14^dout_21;
dout_31=dout_15^dout_22;
dout_32=dout_15&dout_22;
dout_34=dout_31^dout_29;
dout_36=dout_16^dout_23;
dout_37=dout_16&dout_23;
dout_38=dout_36&dout_32;
dout_39=dout_36^dout_32;
dout_40=dout_37|dout_38;
dout_41=dout_17^dout_24;
dout_42=dout_17&dout_24;
dout_43=dout_41&dout_40;
dout_44=dout_41^dout_40;
dout_45=dout_42|dout_43;
dout_46=dout_18^dout_25;
dout_47=dout_18&dout_25;
dout_48=dout_46&dout_45;
dout_49=dout_46^dout_45;
dout_50=dout_47|dout_48;
dout_51=dout_19^dout_26;
dout_52=dout_19&dout_26;
dout_53=dout_51&dout_50;
dout_54=dout_51^dout_50;
dout_55=dout_52|dout_53;
dout_56=dout_20^dout_27;
dout_57=dout_20&dout_27;
dout_58=dout_56&dout_55;
dout_59=dout_56^dout_55;
dout_60=dout_57|dout_58;
dout_61=dout_60&dout_28;
dout_62=dout_60^dout_28;
dout_63=((A >> 0)&1)&((B >> 2)&1);
dout_64=((A >> 1)&1)&((B >> 2)&1);
dout_65=((A >> 2)&1)&((B >> 2)&1);
dout_66=((A >> 3)&1)&((B >> 2)&1);
dout_67=((A >> 4)&1)&((B >> 2)&1);
dout_68=((A >> 5)&1)&((B >> 2)&1);
dout_69=((A >> 6)&1)&((B >> 2)&1);
dout_70=((A >> 7)&1)&((B >> 2)&1);
dout_71=dout_34&dout_63;
dout_72=dout_34^dout_63;
dout_73=dout_39^dout_64;
dout_74=dout_39&dout_64;
dout_75=dout_73&dout_71;
dout_76=dout_73^dout_71;
dout_77=dout_74|dout_75;
dout_78=dout_44^dout_65;
dout_79=dout_44&dout_65;
dout_80=dout_78&dout_77;
dout_81=dout_78^dout_77;
dout_82=dout_79|dout_80;
dout_83=dout_49^dout_66;
dout_84=dout_49&dout_66;
dout_85=dout_83&dout_82;
dout_86=dout_83^dout_82;
dout_87=dout_84|dout_85;
dout_88=dout_54^dout_67;
dout_89=dout_54&dout_67;
dout_90=dout_88&dout_87;
dout_91=dout_88^dout_87;
dout_92=dout_89|dout_90;
dout_93=dout_59^dout_68;
dout_94=dout_59&dout_68;
dout_95=dout_93&dout_92;
dout_96=dout_93^dout_92;
dout_97=dout_94|dout_95;
dout_98=dout_62^dout_69;
dout_99=dout_62&dout_69;
dout_100=dout_98&dout_97;
dout_101=dout_98^dout_97;
dout_102=dout_99|dout_100;
dout_103=dout_61^dout_70;
dout_104=dout_61&dout_70;
dout_105=dout_103&dout_102;
dout_106=dout_103^dout_102;
dout_107=dout_104|dout_105;
dout_108=((A >> 0)&1)&((B >> 3)&1);
dout_109=((A >> 1)&1)&((B >> 3)&1);
dout_110=((A >> 2)&1)&((B >> 3)&1);
dout_111=((A >> 3)&1)&((B >> 3)&1);
dout_112=((A >> 4)&1)&((B >> 3)&1);
dout_113=((A >> 5)&1)&((B >> 3)&1);
dout_114=((A >> 6)&1)&((B >> 3)&1);
dout_115=((A >> 7)&1)&((B >> 3)&1);
dout_116=dout_76&dout_108;
dout_117=dout_76^dout_108;
dout_118=dout_81^dout_109;
dout_119=dout_81&dout_109;
dout_120=dout_118&dout_116;
dout_121=dout_118^dout_116;
dout_122=dout_119|dout_120;
dout_123=dout_86^dout_110;
dout_124=dout_86&dout_110;
dout_125=dout_123&dout_122;
dout_126=dout_123^dout_122;
dout_127=dout_124|dout_125;
dout_128=dout_91^dout_111;
dout_129=dout_91&dout_111;
dout_130=dout_128&dout_127;
dout_131=dout_128^dout_127;
dout_132=dout_129|dout_130;
dout_133=dout_96^dout_112;
dout_134=dout_96&dout_112;
dout_135=dout_133&dout_132;
dout_136=dout_133^dout_132;
dout_137=dout_134|dout_135;
dout_138=dout_101^dout_113;
dout_139=dout_101&dout_113;
dout_140=dout_138&dout_137;
dout_141=dout_138^dout_137;
dout_142=dout_139|dout_140;
dout_143=dout_106^dout_114;
dout_144=dout_106&dout_114;
dout_145=dout_143&dout_142;
dout_146=dout_143^dout_142;
dout_147=dout_144|dout_145;
dout_148=dout_107^dout_115;
dout_149=dout_107&dout_115;
dout_150=dout_148&dout_147;
dout_151=dout_148^dout_147;
dout_152=dout_149|dout_150;
dout_153=((A >> 0)&1)&((B >> 4)&1);
dout_154=((A >> 1)&1)&((B >> 4)&1);
dout_155=((A >> 2)&1)&((B >> 4)&1);
dout_156=((A >> 3)&1)&((B >> 4)&1);
dout_157=((A >> 4)&1)&((B >> 4)&1);
dout_158=((A >> 5)&1)&((B >> 4)&1);
dout_159=((A >> 6)&1)&((B >> 4)&1);
dout_160=((A >> 7)&1)&((B >> 4)&1);
dout_161=dout_121&dout_153;
dout_162=dout_121^dout_153;
dout_163=dout_126^dout_154;
dout_164=dout_126&dout_154;
dout_165=dout_163&dout_161;
dout_166=dout_163^dout_161;
dout_167=dout_164|dout_165;
dout_168=dout_131^dout_155;
dout_169=dout_131&dout_155;
dout_170=dout_168&dout_167;
dout_171=dout_168^dout_167;
dout_172=dout_169|dout_170;
dout_173=dout_136^dout_156;
dout_174=dout_136&dout_156;
dout_175=dout_173&dout_172;
dout_176=dout_173^dout_172;
dout_177=dout_174|dout_175;
dout_178=dout_141^dout_157;
dout_179=dout_141&dout_157;
dout_180=dout_178&dout_177;
dout_181=dout_178^dout_177;
dout_182=dout_179|dout_180;
dout_183=dout_146^dout_158;
dout_184=dout_146&dout_158;
dout_185=dout_183&dout_182;
dout_186=dout_183^dout_182;
dout_187=dout_184|dout_185;
dout_188=dout_151^dout_159;
dout_189=dout_151&dout_159;
dout_190=dout_188&dout_187;
dout_191=dout_188^dout_187;
dout_192=dout_189|dout_190;
dout_193=dout_152^dout_160;
dout_194=dout_152&dout_160;
dout_195=dout_193&dout_192;
dout_196=dout_193^dout_192;
dout_197=dout_194|dout_195;
O = 0;
O |= (dout_13&1) << 0;
O |= (dout_30&1) << 1;
O |= (dout_72&1) << 2;
O |= (dout_117&1) << 3;
O |= (dout_162&1) << 4;
O |= (dout_166&1) << 5;
O |= (dout_171&1) << 6;
O |= (dout_176&1) << 7;
O |= (dout_181&1) << 8;
O |= (dout_186&1) << 9;
O |= (dout_191&1) << 10;
O |= (dout_196&1) << 11;
O |= (dout_197&1) << 12;
return O;
}
|
the_stack_data/748302.c
|
// RUN: %clang -### -target le32-unknown-nacl %s 2>&1 | FileCheck -check-prefix=CHECK-DEFAULT %s
// CHECK-DEFAULT: "-cc1" {{.*}} "-fno-math-builtin"
|
the_stack_data/101978.c
|
int MAIN();
int main() {
return MAIN();
}
|
the_stack_data/60503.c
|
/*
* File: P1_Rev_1.c
* Author: Zachary Clark-Williams
* Date Last Revised: 07/26/2017
*
* ECE 586 Computer Architecture
* Project 1 - Disassembler
*
* Description -
* This program will read in a .fmg file containing 1024 bits and pars
* it in to 4 byte cells. Bits 31:24 are operand 1, bits 23:16 are operand 2,
* bits 15:9 are operand 1, Bits 8:0 is the operation. After reading the
* operation it will find the correct Op_Code and output in the form,
* #: Op_Code Operand1 Operand2 Operand3. The .fmg file contains 2 subfiles
* all provided by the professor.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
int main(int argc, char** argv)
{
// Variable Declarations
uint32_t mem_space[256]; // 32-bit memory array of 256 length
int Op_Int = 0; // Operation Integer
int Oprnd1 = 0; // Operand 1 Integer
int Oprnd2 = 0; // Operand 2 Integer
int Oprnd3 = 0; // Operand 3 Integer
int Results;
// Is file valid to open
if (argc != 2)
{
printf("\nPlease include 1 argument that is the file path to the FISA memory image. \n\n");
exit(1);
}
// Open File from main pass-by reference value
FILE* Fp = fopen(argv[1], "rb");
if (Fp == NULL)
{
printf("\n**Error: File could not be opened.\n\n");
exit(1);
}
for (int i=0; i<256; i++)
{// Read in 256 cell array from image file
mem_space[i] = 0;
Results = fread(&(mem_space[i]), sizeof(uint32_t), 1, Fp);
if (Results == 0)
{// Check if Array Value is valid or 0
printf("\n**Error: Problem reading file after successfully opening.");
exit(1);
}
}
for (int i=0; i<256; i++)
{// Parse array cells 4-bytes
Op_Int = ((mem_space[i]) & 255); // Parse out First byte: Operation
Oprnd1 = ((mem_space[i] >> 8) & 255); // Parse out Second byte: Operand 1
Oprnd2 = ((mem_space[i] >> 16) & 255); // Parse out Third byte: Operand 2
Oprnd3 = ((mem_space[i] >> 24) & 255); // Parse out Fourth byte: Operand 3
switch (Op_Int){ // Operation Disassemble Table
case 0: printf("%d:\tq\n", i); // Quit
break;
case 2: printf("%d:\tp r%d\n", i, Oprnd1); // Print
break;
case 3: printf("%d:\tpi %d\n", i, Oprnd1); // Print Immediate
break;
case 4: printf("%d:\tpc r%d\n", i, Oprnd1); // Print Character
break;
case 5: printf("%d:\tpci %d\n", i, Oprnd1); // Print Character Immediate
break;
case 32: printf("%d:\tld r%d r%d\n", i, Oprnd1, Oprnd2); // Load
break;
case 33: printf("%d:\tldi r%d %d\n", i, Oprnd1, Oprnd2); // Load Immediate
break;
case 34: printf("%d:\tst r%d r%d\n", i, Oprnd1, Oprnd2); // Store
break;
case 35: printf("%d:\tsti r%d %d\n", i, Oprnd1, Oprnd2); // Store Immediate
break;
case 36: printf("%d:\tstia %d r%d\n", i, Oprnd1, Oprnd2); // Store Immediate Address
break;
case 37: printf("%d:\tstiai %d %d\n", i, Oprnd1, Oprnd2); // Store Immediate Address Immediate
break;
case 64: printf("%d:\tadd r%d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Add
break;
case 65: printf("%d:\taddi r%d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Add Immediate
break;
case 66: printf("%d:\tsub r%d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Subrtract
break;
case 67: printf("%d:\tsubi r%d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Subrtract Immediate
break;
case 68: printf("%d:\tmul r%d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Multiply
break;
case 69: printf("%d:\tmuli r%d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Multiply Immediate
break;
case 72: printf("%d:\tdiv r%d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Divide
break;
case 73: printf("%d:\tdivi r%d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Divide Immediate
break;
case 80: printf("%d:\tmod r%d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Modulus
break;
case 81: printf("%d:\tmodi r%d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Modulus Immediate
break;
case 128: printf("%d:\tj %d\n", i, Oprnd1); // Jump
break;
case 130: printf("%d:\tbeq %d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Equal To
break;
case 131: printf("%d:\tbeqi %d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Equal To Immediate
break;
case 132: printf("%d:\tblt %d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Less Than
break;
case 133: printf("%d:\tblti %d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Less Than Immediate
break;
case 134: printf("%d:\tble %d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Less Than or Equal To
break;
case 135: printf("%d:\tblei %d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Less Than or Equal To Immediate
break;
case 136: printf("%d:\tbgt %d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Greater Than
break;
case 137: printf("%d:\tbgti %d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Greater Than Immediate
break;
case 138: printf("%d:\tbge %d r%d r%d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Greater Than or Equal To
break;
case 139: printf("%d:\tbgei %d r%d %d\n", i, Oprnd1, Oprnd2, Oprnd3); // Branch Greater Than or Equal To Immediate
break;
default: printf("\nError: Unrecognizable Operation Code.\n\n"); // If Nothing Matches Must Be Reserved
exit(1);
break;
}
}
return 0;
}
|
the_stack_data/47245.c
|
#include<stdio.h>
#include<string.h>
int main()
{
int j,i,a,b=0;
char A[101];
scanf("%s", A);
a=strlen(A);
for(i=0;i<a;i++)
{
for(j=i+1;j<a;j++)
{
if(A[i]==A[j])
goto here;
}
b++;
here:
continue;
}
if(b%2==0)
puts("CHAT WITH HER!");
else
puts("IGNORE HIM!");
return 0;
}
|
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