text: // Lean compiler output
  // Module: Lean.Meta.SizeOf
  // Imports: Init Lean.Meta.AppBuilder Lean.Meta.Instances
  #include <lean/lean.h>
  #if defined(__clang__)
  #pragma clang diagnostic ignored "-Wunused-parameter"
  #pragma clang diagnostic ignored "-Wunused-label"
  #elif defined(__GNUC__) && !defined(__CLANG__)
  #pragma GCC diagnostic ignored "-Wunused-parameter"
  #pragma GCC diagnostic ignored "-Wunused-label"
  #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
  #endif
  #ifdef __cplusplus
  extern "C" {
  #endif
  lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_mkSizeOfSpecLemmaInstance___spec__1___boxed(lean_object*, lean_object*, lean_object*);
  size_t l_USize_add(size_t, size_t);
  lean_object* l_List_tail_x21___rarg(lean_object*);
  lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
  lean_object* l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_stringToMessageData(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__3___rarg(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfInstances_match__2___rarg(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__2___boxed(lean_object**);
  lean_object* lean_mk_empty_array_with_capacity(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Std_Format_format_unicode___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_main_loop___closed__1;
  lean_object* l_Lean_RecursorVal_getFirstIndexIdx(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName(lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_setInlineAttribute___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_name_mk_string(lean_object*, lean_object*);
  uint8_t l_USize_decEq(size_t, size_t);
  lean_object* lean_array_uget(lean_object*, size_t);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__2;
  lean_object* l_Array_append___rarg(lean_object*, lean_object*);
  extern lean_object* l_Lean_getConstInfoInduct___rarg___lambda__1___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1___boxed(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfInstances_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Std_Range_myMacro____x40_Init_Data_Range___hyg_919____closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_mapM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkAppM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__5;
  lean_object* l_Lean_throwError___at_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1313____spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__8___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__5;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof_match__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__3;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_getConstInfo___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Array_empty___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_environment_find(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf_match__1(lean_object*);
  lean_object* l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__1;
  lean_object* lean_st_ref_get(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkCongr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___closed__1;
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_instInhabitedParserDescr___closed__1;
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected(lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__3;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__7;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Lean_Expr_isApp(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__2___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_main_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop(lean_object*);
  lean_object* l_Lean_Expr_appFn_x21(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop_match__1(lean_object*);
  lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_Literal_type___closed__3;
  lean_object* lean_array_push(lean_object*, lean_object*);
  lean_object* lean_array_get_size(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_string_append(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__1;
  lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__2(lean_object*);
  extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwFailed___spec__1(lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__3;
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg___closed__1;
  lean_object* l_Lean_Expr_appArg_x21(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_USize_decLt(size_t, size_t);
  lean_object* l_Lean_Meta_whnfI(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkAppOptM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__6;
  extern lean_object* l_Lean_levelZero;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_nat_add(lean_object*, lean_object*);
  lean_object* l_Lean_RecursorVal_getFirstMinorIdx(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns___closed__2;
  lean_object* l_Lean_Meta_SizeOfSpecNested_main_step(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_throwUnknownConstant___rarg___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_742____closed__2;
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwFailed___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2___closed__2;
  lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__1;
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__1(lean_object*);
  lean_object* l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_genSizeOfSpec;
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_mkSizeOfSpecLemmaInstance___spec__1(size_t, size_t, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg___closed__3;
  lean_object* l_Lean_RecursorVal_getMajorIdx(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfInstances(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_array_fget(lean_object*, lean_object*);
  lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_main_loop___closed__2;
  uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns___closed__3;
  lean_object* l_Lean_Meta_mkSizeOfInstances_match__2(lean_object*);
  lean_object* lean_st_ref_take(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_nat_sub(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives(lean_object*);
  lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
  lean_object* l_Lean_addTrace___at_Lean_Meta_isLevelDefEqAux___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l___private_Lean_Meta_LevelDefEq_0__Lean_Meta_solveSelfMax___closed__1;
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkEqSymm(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2(lean_object*, lean_object*, size_t, size_t);
  lean_object* l_Lean_KernelException_toMessageData(lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_instQuoteProd___rarg___closed__1;
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Option_register___at_Std_Format_initFn____x40_Lean_Data_Format___hyg_53____spec__1(lean_object*, lean_object*, lean_object*);
  extern lean_object* l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isOffset___closed__5;
  lean_object* l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_Meta_mkArrow___closed__2;
  lean_object* l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Name_appendIndexAfter(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_RBNode_insert___at_Lean_NameMap_insert___spec__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Lean_Option_get___at_Lean_ppExpr___spec__1(lean_object*, lean_object*);
  lean_object* l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___spec__1(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6(lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5(lean_object*);
  lean_object* l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__8(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Expr_natAdd_x3f(lean_object*);
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7(lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_mapM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_addInstance(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_myMacro____x40_Init_Notation___hyg_15419____closed__7;
  lean_object* l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3___boxed(lean_object*);
  uint8_t l_Lean_Environment_contains(lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf___closed__2;
  uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_instInhabitedExpr;
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1___closed__2;
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1___boxed(lean_object**);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__1;
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Lean_isInductivePredicate_visit(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_RBNode_find___at___private_Lean_Hygiene_0__Lean_sanitizeSyntaxAux___spec__2(lean_object*, lean_object*);
  lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop(lean_object*);
  extern lean_object* l_Lean_KernelException_toMessageData___closed__15;
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName___boxed(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns_match__1___rarg(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___lambda__2___boxed__const__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__2___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t l_Lean_Expr_isForall(lean_object*);
  lean_object* l_Lean_Meta_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2;
  lean_object* l_Lean_Meta_mkSizeOfFn___closed__1;
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf___closed__1;
  extern lean_object* l_Lean_KernelException_toMessageData___closed__3;
  size_t lean_usize_of_nat(lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__2___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_ConstantInfo_type(lean_object*);
  lean_object* l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop(lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___closed__1;
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwUnexpected___spec__1(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg___closed__2;
  lean_object* l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFn___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__3___boxed(lean_object**);
  lean_object* l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_redLength___rarg(lean_object*);
  lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__2(lean_object*);
  lean_object* l_Lean_Name_appendAfter(lean_object*, lean_object*);
  lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg___closed__5;
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t lean_expr_eqv(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_genSizeOf;
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t lean_nat_dec_le(lean_object*, lean_object*);
  lean_object* l_Lean_mkApp(lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Name_append(lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__3(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* lean_panic_fn(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns___closed__4;
  lean_object* l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_unfoldDefinition(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_setEnv___at_Lean_Meta_orelse___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma_match__1(lean_object*);
  lean_object* l_Lean_Meta_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__2(lean_object*);
  lean_object* l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_List_head_x21___rarg___closed__3;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4;
  lean_object* l_Array_ofSubarray___rarg(lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfInstances_match__1(lean_object*);
  lean_object* l_Lean_Meta_mkCongrArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma_match__1___rarg(lean_object*, lean_object*, lean_object*);
  lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg___closed__2;
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_instInhabitedName;
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__4;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__4;
  extern lean_object* l_Lean_getConstInfoCtor___rarg___lambda__1___closed__2;
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg___closed__4;
  lean_object* l_Lean_getConstInfo___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_toArrayAux___rarg(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_inferType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__2;
  lean_object* l_Lean_getConstInfoRec___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__1;
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__1;
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwFailed(lean_object*);
  lean_object* lean_mk_array(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__2;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwUnexpected___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__4___boxed(lean_object**);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___closed__1;
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwUnexpected___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__4;
  extern lean_object* l_Lean_Parser_Tactic_myMacro____x40_Init_Notation___hyg_19927____closed__3;
  lean_object* l_Lean_Meta_mkSizeOfFns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances(lean_object*);
  extern lean_object* l_Lean_getConstInfoRec___rarg___lambda__1___closed__2;
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1(lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433_(lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455_(lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4894_(lean_object*);
  lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__1(lean_object*);
  extern lean_object* l_Lean_Meta_isLevelDefEqAux___closed__5;
  lean_object* l_Lean_throwError___at_Lean_Meta_SizeOfSpecNested_throwFailed___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfFns_match__1(lean_object*);
  lean_object* l_Lean_getConstInfoRec___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_mkOptionalNode___closed__2;
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Expr_getAppFn(lean_object*);
  extern lean_object* l_Lean_Expr_instantiateBetaRevRange___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg___closed__1;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__3;
  lean_object* l_unsafeCast(lean_object*, lean_object*, lean_object*);
  lean_object* l_List_lengthAux___rarg(lean_object*, lean_object*);
  lean_object* l_List_map___at_Lean_mkConstWithLevelParams___spec__1(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Lean_levelOne;
  lean_object* l_Lean_Meta_mkEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__1;
  extern lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_mkAnswer___lambda__4___closed__2;
  lean_object* l_Lean_indentExpr(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg___closed__4;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__1(lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_myMacro____x40_Init_Notation___hyg_7361____closed__4;
  lean_object* l_Lean_mkConst(lean_object*, lean_object*);
  lean_object* l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__3(lean_object*);
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName___closed__2;
  lean_object* l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_List_forIn_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName___closed__1;
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Array_findSomeM_x3f___rarg___closed__1;
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  extern lean_object* l_Array_findIdxM_x3f___rarg___closed__1;
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__2;
  lean_object* l_Lean_Meta_mkAdd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__2;
  lean_object* l_Lean_Meta_mkNumeral(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
  lean_object* l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
  lean_object* l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg___closed__3;
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__2___boxed(lean_object**);
  lean_object* lean_add_decl(lean_object*, lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof_match__1(lean_object*);
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; lean_object* x_5; 
  lean_dec(x_3);
  x_4 = lean_box(0);
  x_5 = lean_apply_1(x_2, x_4);
  return x_5;
  }
  else
  {
  lean_object* x_6; lean_object* x_7; 
  lean_dec(x_2);
  x_6 = lean_ctor_get(x_1, 0);
  lean_inc(x_6);
  lean_dec(x_1);
  x_7 = lean_apply_1(x_3, x_6);
  return x_7;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop_match__1___rarg), 3, 0);
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  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  uint8_t x_9; 
  x_9 = !lean_is_exclusive(x_8);
  if (x_9 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_10 = lean_ctor_get(x_8, 0);
  x_11 = lean_ctor_get(x_8, 1);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_dec(x_8);
  x_12 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_12, 0, x_10);
  lean_ctor_set(x_12, 1, x_11);
  return x_12;
  }
  }
  else
  {
  uint8_t x_13; 
  x_13 = !lean_is_exclusive(x_8);
  if (x_13 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_8, 0);
  x_15 = lean_ctor_get(x_8, 1);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_dec(x_8);
  x_16 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_16, 0, x_14);
  lean_ctor_set(x_16, 1, x_15);
  return x_16;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg), 7, 0);
  return x_2;
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_10) == 0)
  {
  uint8_t x_11; 
  x_11 = !lean_is_exclusive(x_10);
  if (x_11 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_12 = lean_ctor_get(x_10, 0);
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_10);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_12);
  lean_ctor_set(x_14, 1, x_13);
  return x_14;
  }
  }
  else
  {
  uint8_t x_15; 
  x_15 = !lean_is_exclusive(x_10);
  if (x_15 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_10, 0);
  x_17 = lean_ctor_get(x_10, 1);
  lean_inc(x_17);
  lean_inc(x_16);
  lean_dec(x_10);
  x_18 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_18, 0, x_16);
  lean_ctor_set(x_18, 1, x_17);
  return x_18;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg___boxed), 9, 0);
  return x_2;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("SizeOf");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
  x_9 = l_Lean_mkAppN(x_1, x_2);
  x_10 = l_Lean_mkOptionalNode___closed__2;
  x_11 = lean_array_push(x_10, x_9);
  x_12 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2;
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_13 = l_Lean_Meta_mkAppM(x_12, x_11, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; 
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = 0;
  x_17 = 1;
  x_18 = l_Lean_Meta_mkForallFVars(x_2, x_14, x_16, x_17, x_4, x_5, x_6, x_7, x_15);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  if (lean_obj_tag(x_18) == 0)
  {
  uint8_t x_19; 
  x_19 = !lean_is_exclusive(x_18);
  if (x_19 == 0)
  {
  lean_object* x_20; lean_object* x_21; 
  x_20 = lean_ctor_get(x_18, 0);
  x_21 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_21, 0, x_20);
  lean_ctor_set(x_18, 0, x_21);
  return x_18;
  }
  else
  {
  lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
  x_22 = lean_ctor_get(x_18, 0);
  x_23 = lean_ctor_get(x_18, 1);
  lean_inc(x_23);
  lean_inc(x_22);
  lean_dec(x_18);
  x_24 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_24, 0, x_22);
  x_25 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_25, 0, x_24);
  lean_ctor_set(x_25, 1, x_23);
  return x_25;
  }
  }
  else
  {
  uint8_t x_26; 
  x_26 = !lean_is_exclusive(x_18);
  if (x_26 == 0)
  {
  lean_object* x_27; lean_object* x_28; 
  x_27 = lean_ctor_get(x_18, 0);
  lean_dec(x_27);
  x_28 = lean_box(0);
  lean_ctor_set_tag(x_18, 0);
  lean_ctor_set(x_18, 0, x_28);
  return x_18;
  }
  else
  {
  lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_29 = lean_ctor_get(x_18, 1);
  lean_inc(x_29);
  lean_dec(x_18);
  x_30 = lean_box(0);
  x_31 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_31, 0, x_30);
  lean_ctor_set(x_31, 1, x_29);
  return x_31;
  }
  }
  }
  else
  {
  uint8_t x_32; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  x_32 = !lean_is_exclusive(x_13);
  if (x_32 == 0)
  {
  lean_object* x_33; lean_object* x_34; 
  x_33 = lean_ctor_get(x_13, 0);
  lean_dec(x_33);
  x_34 = lean_box(0);
  lean_ctor_set_tag(x_13, 0);
  lean_ctor_set(x_13, 0, x_34);
  return x_13;
  }
  else
  {
  lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_35 = lean_ctor_get(x_13, 1);
  lean_inc(x_35);
  lean_dec(x_13);
  x_36 = lean_box(0);
  x_37 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_37, 0, x_36);
  lean_ctor_set(x_37, 1, x_35);
  return x_37;
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_11 = lean_unsigned_to_nat(1u);
  x_12 = lean_nat_add(x_1, x_11);
  x_13 = lean_array_push(x_2, x_5);
  x_14 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg(x_3, x_4, x_12, x_13, x_6, x_7, x_8, x_9, x_10);
  return x_14;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("inst");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; uint8_t x_11; 
  x_10 = lean_array_get_size(x_1);
  x_11 = lean_nat_dec_lt(x_3, x_10);
  lean_dec(x_10);
  if (x_11 == 0)
  {
  lean_object* x_12; 
  lean_dec(x_3);
  lean_dec(x_1);
  x_12 = lean_apply_6(x_2, x_4, x_5, x_6, x_7, x_8, x_9);
  return x_12;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_13 = l_Lean_instInhabitedExpr;
  x_14 = lean_array_get(x_13, x_1, x_3);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_14);
  x_15 = l_Lean_Meta_inferType(x_14, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  x_17 = lean_ctor_get(x_15, 1);
  lean_inc(x_17);
  lean_dec(x_15);
  x_18 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___boxed), 8, 1);
  lean_closure_set(x_18, 0, x_14);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_19 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(x_16, x_18, x_5, x_6, x_7, x_8, x_17);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; 
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_21 = lean_ctor_get(x_19, 1);
  lean_inc(x_21);
  lean_dec(x_19);
  x_22 = lean_unsigned_to_nat(1u);
  x_23 = lean_nat_add(x_3, x_22);
  lean_dec(x_3);
  x_3 = x_23;
  x_9 = x_21;
  goto _start;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; 
  x_25 = lean_ctor_get(x_19, 1);
  lean_inc(x_25);
  lean_dec(x_19);
  x_26 = lean_ctor_get(x_20, 0);
  lean_inc(x_26);
  lean_dec(x_20);
  x_27 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___closed__2;
  x_28 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_27, x_7, x_8, x_25);
  x_29 = lean_ctor_get(x_28, 0);
  lean_inc(x_29);
  x_30 = lean_ctor_get(x_28, 1);
  lean_inc(x_30);
  lean_dec(x_28);
  x_31 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2___boxed), 10, 4);
  lean_closure_set(x_31, 0, x_3);
  lean_closure_set(x_31, 1, x_4);
  lean_closure_set(x_31, 2, x_1);
  lean_closure_set(x_31, 3, x_2);
  x_32 = 3;
  x_33 = l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg(x_29, x_32, x_26, x_31, x_5, x_6, x_7, x_8, x_30);
  return x_33;
  }
  }
  else
  {
  uint8_t x_34; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_34 = !lean_is_exclusive(x_19);
  if (x_34 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_35 = lean_ctor_get(x_19, 0);
  x_36 = lean_ctor_get(x_19, 1);
  lean_inc(x_36);
  lean_inc(x_35);
  lean_dec(x_19);
  x_37 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_37, 0, x_35);
  lean_ctor_set(x_37, 1, x_36);
  return x_37;
  }
  }
  }
  else
  {
  uint8_t x_38; 
  lean_dec(x_14);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_38 = !lean_is_exclusive(x_15);
  if (x_38 == 0)
  {
  return x_15;
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; 
  x_39 = lean_ctor_get(x_15, 0);
  x_40 = lean_ctor_get(x_15, 1);
  lean_inc(x_40);
  lean_inc(x_39);
  lean_dec(x_15);
  x_41 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_41, 0, x_39);
  lean_ctor_set(x_41, 1, x_40);
  return x_41;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg), 9, 0);
  return x_2;
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  uint8_t x_10; lean_object* x_11; 
  x_10 = lean_unbox(x_2);
  lean_dec(x_2);
  x_11 = l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg(x_1, x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  return x_11;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_3);
  return x_9;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; 
  x_11 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_1);
  return x_11;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; 
  x_8 = lean_unsigned_to_nat(0u);
  x_9 = l_Array_empty___closed__1;
  x_10 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg(x_1, x_2, x_8, x_9, x_3, x_4, x_5, x_6, x_7);
  return x_10;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg), 7, 0);
  return x_2;
  }
  }
  uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
  _start:
  {
  uint8_t x_5; 
  x_5 = x_3 == x_4;
  if (x_5 == 0)
  {
  lean_object* x_6; uint8_t x_7; 
  x_6 = lean_array_uget(x_2, x_3);
  x_7 = lean_expr_eqv(x_1, x_6);
  lean_dec(x_6);
  if (x_7 == 0)
  {
  size_t x_8; size_t x_9; 
  x_8 = 1;
  x_9 = x_3 + x_8;
  x_3 = x_9;
  goto _start;
  }
  else
  {
  uint8_t x_11; 
  x_11 = 1;
  return x_11;
  }
  }
  else
  {
  uint8_t x_12; 
  x_12 = 0;
  return x_12;
  }
  }
  }
  uint8_t l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1(lean_object* x_1, lean_object* x_2) {
  _start:
  {
  lean_object* x_3; lean_object* x_4; uint8_t x_5; 
  x_3 = lean_array_get_size(x_1);
  x_4 = lean_unsigned_to_nat(0u);
  x_5 = lean_nat_dec_lt(x_4, x_3);
  if (x_5 == 0)
  {
  uint8_t x_6; 
  lean_dec(x_3);
  x_6 = 0;
  return x_6;
  }
  else
  {
  uint8_t x_7; 
  x_7 = lean_nat_dec_le(x_3, x_3);
  if (x_7 == 0)
  {
  uint8_t x_8; 
  lean_dec(x_3);
  x_8 = 0;
  return x_8;
  }
  else
  {
  size_t x_9; size_t x_10; uint8_t x_11; 
  x_9 = 0;
  x_10 = lean_usize_of_nat(x_3);
  lean_dec(x_3);
  x_11 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2(x_2, x_1, x_9, x_10);
  return x_11;
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  uint8_t x_9; 
  x_9 = l_Lean_Expr_isApp(x_3);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_box(0);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_10);
  lean_ctor_set(x_11, 1, x_8);
  return x_11;
  }
  else
  {
  lean_object* x_12; uint8_t x_13; 
  x_12 = l_Lean_Expr_getAppFn(x_3);
  x_13 = l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1(x_1, x_12);
  lean_dec(x_12);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_box(0);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_14);
  lean_ctor_set(x_15, 1, x_8);
  return x_15;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = l_Lean_Expr_appArg_x21(x_3);
  x_17 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_17, 0, x_16);
  x_18 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_18, 0, x_17);
  lean_ctor_set(x_18, 1, x_8);
  return x_18;
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  x_8 = l_Lean_Meta_inferType(x_2, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1___boxed), 8, 1);
  lean_closure_set(x_11, 0, x_1);
  x_12 = l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(x_9, x_11, x_3, x_4, x_5, x_6, x_10);
  return x_12;
  }
  else
  {
  uint8_t x_13; 
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_13 = !lean_is_exclusive(x_8);
  if (x_13 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_8, 0);
  x_15 = lean_ctor_get(x_8, 1);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_dec(x_8);
  x_16 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_16, 0, x_14);
  lean_ctor_set(x_16, 1, x_15);
  return x_16;
  }
  }
  }
  }
  lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
  _start:
  {
  size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
  x_5 = lean_unbox_usize(x_3);
  lean_dec(x_3);
  x_6 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_7 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__2(x_1, x_2, x_5, x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_8 = lean_box(x_7);
  return x_8;
  }
  }
  lean_object* l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
  _start:
  {
  uint8_t x_3; lean_object* x_4; 
  x_3 = l_Array_contains___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___spec__1(x_1, x_2);
  lean_dec(x_2);
  lean_dec(x_1);
  x_4 = lean_box(x_3);
  return x_4;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_9;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; 
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  if (lean_obj_tag(x_9) == 0)
  {
  uint8_t x_10; 
  x_10 = !lean_is_exclusive(x_8);
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  {
  lean_object* x_11; uint8_t x_12; lean_object* x_13; 
  x_11 = lean_ctor_get(x_8, 0);
  lean_dec(x_11);
  x_12 = 0;
  x_13 = lean_box(x_12);
  lean_ctor_set(x_8, 0, x_13);
  return x_8;
  }
  else
  {
  lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_17; 
  x_14 = lean_ctor_get(x_8, 1);
  lean_inc(x_14);
  lean_dec(x_8);
  x_15 = 0;
  x_16 = lean_box(x_15);
  x_17 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_17, 0, x_16);
  lean_ctor_set(x_17, 1, x_14);
  return x_17;
  }
  }
  else
  {
  uint8_t x_18; 
  lean_dec(x_9);
  x_18 = !lean_is_exclusive(x_8);
  if (x_18 == 0)
  {
  lean_object* x_19; uint8_t x_20; lean_object* x_21; 
  x_19 = lean_ctor_get(x_8, 0);
  lean_dec(x_19);
  x_20 = 1;
  x_21 = lean_box(x_20);
  lean_ctor_set(x_8, 0, x_21);
  return x_8;
  }
  else
  {
  lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; 
  x_22 = lean_ctor_get(x_8, 1);
  lean_inc(x_22);
  lean_dec(x_8);
  x_23 = 1;
  x_24 = lean_box(x_23);
  x_25 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_25, 0, x_24);
  lean_ctor_set(x_25, 1, x_22);
  return x_25;
  }
  }
  }
  else
  {
  uint8_t x_26; 
  x_26 = !lean_is_exclusive(x_8);
  if (x_26 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; 
  x_27 = lean_ctor_get(x_8, 0);
  x_28 = lean_ctor_get(x_8, 1);
  lean_inc(x_28);
  lean_inc(x_27);
  lean_dec(x_8);
  x_29 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_29, 0, x_27);
  lean_ctor_set(x_29, 1, x_28);
  return x_29;
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; 
  lean_dec(x_2);
  x_4 = lean_apply_1(x_3, x_1);
  return x_4;
  }
  else
  {
  lean_object* x_5; lean_object* x_6; 
  lean_dec(x_3);
  x_5 = lean_ctor_get(x_1, 0);
  lean_inc(x_5);
  lean_dec(x_1);
  x_6 = lean_apply_1(x_2, x_5);
  return x_6;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__1___rarg), 3, 0);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; lean_object* x_5; 
  lean_dec(x_3);
  x_4 = lean_box(0);
  x_5 = lean_apply_1(x_2, x_4);
  return x_5;
  }
  else
  {
  lean_object* x_6; lean_object* x_7; 
  lean_dec(x_2);
  x_6 = lean_ctor_get(x_1, 0);
  lean_inc(x_6);
  lean_dec(x_1);
  x_7 = lean_apply_1(x_3, x_6);
  return x_7;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__2(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f_match__2___rarg), 3, 0);
  return x_2;
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = x_6 < x_5;
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; uint8_t x_16; 
  x_15 = lean_array_uget(x_4, x_6);
  x_16 = !lean_is_exclusive(x_7);
  if (x_16 == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_17 = lean_ctor_get(x_7, 1);
  x_18 = lean_ctor_get(x_7, 0);
  lean_dec(x_18);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_19 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f(x_1, x_15, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; 
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; 
  lean_free_object(x_7);
  x_21 = lean_ctor_get(x_19, 1);
  lean_inc(x_21);
  lean_dec(x_19);
  x_22 = lean_box(0);
  lean_inc(x_3);
  x_23 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_17, x_22, x_8, x_9, x_10, x_11, x_21);
  lean_dec(x_17);
  x_24 = lean_ctor_get(x_23, 0);
  lean_inc(x_24);
  x_25 = lean_ctor_get(x_23, 1);
  lean_inc(x_25);
  lean_dec(x_23);
  x_26 = lean_ctor_get(x_24, 0);
  lean_inc(x_26);
  lean_dec(x_24);
  x_27 = 1;
  x_28 = x_6 + x_27;
  x_6 = x_28;
  x_7 = x_26;
  x_12 = x_25;
  goto _start;
  }
  else
  {
  uint8_t x_30; 
  x_30 = !lean_is_exclusive(x_19);
  if (x_30 == 0)
  {
  lean_object* x_31; lean_object* x_32; uint8_t x_33; 
  x_31 = lean_ctor_get(x_19, 1);
  x_32 = lean_ctor_get(x_19, 0);
  lean_dec(x_32);
  x_33 = !lean_is_exclusive(x_20);
  if (x_33 == 0)
  {
  lean_object* x_34; uint8_t x_35; 
  x_34 = lean_ctor_get(x_20, 0);
  x_35 = lean_expr_eqv(x_2, x_34);
  lean_dec(x_34);
  if (x_35 == 0)
  {
  lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; size_t x_41; size_t x_42; 
  lean_free_object(x_20);
  lean_free_object(x_19);
  lean_free_object(x_7);
  x_36 = lean_box(0);
  lean_inc(x_3);
  x_37 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_17, x_36, x_8, x_9, x_10, x_11, x_31);
  lean_dec(x_17);
  x_38 = lean_ctor_get(x_37, 0);
  lean_inc(x_38);
  x_39 = lean_ctor_get(x_37, 1);
  lean_inc(x_39);
  lean_dec(x_37);
  x_40 = lean_ctor_get(x_38, 0);
  lean_inc(x_40);
  lean_dec(x_38);
  x_41 = 1;
  x_42 = x_6 + x_41;
  x_6 = x_42;
  x_7 = x_40;
  x_12 = x_39;
  goto _start;
  }
  else
  {
  lean_object* x_44; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  lean_inc(x_17);
  lean_ctor_set(x_20, 0, x_17);
  x_44 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_44, 0, x_20);
  lean_ctor_set(x_7, 0, x_44);
  lean_ctor_set(x_19, 0, x_7);
  return x_19;
  }
  }
  else
  {
  lean_object* x_45; uint8_t x_46; 
  x_45 = lean_ctor_get(x_20, 0);
  lean_inc(x_45);
  lean_dec(x_20);
  x_46 = lean_expr_eqv(x_2, x_45);
  lean_dec(x_45);
  if (x_46 == 0)
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; size_t x_52; size_t x_53; 
  lean_free_object(x_19);
  lean_free_object(x_7);
  x_47 = lean_box(0);
  lean_inc(x_3);
  x_48 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_17, x_47, x_8, x_9, x_10, x_11, x_31);
  lean_dec(x_17);
  x_49 = lean_ctor_get(x_48, 0);
  lean_inc(x_49);
  x_50 = lean_ctor_get(x_48, 1);
  lean_inc(x_50);
  lean_dec(x_48);
  x_51 = lean_ctor_get(x_49, 0);
  lean_inc(x_51);
  lean_dec(x_49);
  x_52 = 1;
  x_53 = x_6 + x_52;
  x_6 = x_53;
  x_7 = x_51;
  x_12 = x_50;
  goto _start;
  }
  else
  {
  lean_object* x_55; lean_object* x_56; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  lean_inc(x_17);
  x_55 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_55, 0, x_17);
  x_56 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_56, 0, x_55);
  lean_ctor_set(x_7, 0, x_56);
  lean_ctor_set(x_19, 0, x_7);
  return x_19;
  }
  }
  }
  else
  {
  lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
  x_57 = lean_ctor_get(x_19, 1);
  lean_inc(x_57);
  lean_dec(x_19);
  x_58 = lean_ctor_get(x_20, 0);
  lean_inc(x_58);
  if (lean_is_exclusive(x_20)) {
   lean_ctor_release(x_20, 0);
   x_59 = x_20;
  } else {
   lean_dec_ref(x_20);
   x_59 = lean_box(0);
  }
  x_60 = lean_expr_eqv(x_2, x_58);
  lean_dec(x_58);
  if (x_60 == 0)
  {
  lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; size_t x_66; size_t x_67; 
  lean_dec(x_59);
  lean_free_object(x_7);
  x_61 = lean_box(0);
  lean_inc(x_3);
  x_62 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_17, x_61, x_8, x_9, x_10, x_11, x_57);
  lean_dec(x_17);
  x_63 = lean_ctor_get(x_62, 0);
  lean_inc(x_63);
  x_64 = lean_ctor_get(x_62, 1);
  lean_inc(x_64);
  lean_dec(x_62);
  x_65 = lean_ctor_get(x_63, 0);
  lean_inc(x_65);
  lean_dec(x_63);
  x_66 = 1;
  x_67 = x_6 + x_66;
  x_6 = x_67;
  x_7 = x_65;
  x_12 = x_64;
  goto _start;
  }
  else
  {
  lean_object* x_69; lean_object* x_70; lean_object* x_71; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  lean_inc(x_17);
  if (lean_is_scalar(x_59)) {
   x_69 = lean_alloc_ctor(1, 1, 0);
  } else {
   x_69 = x_59;
  }
  lean_ctor_set(x_69, 0, x_17);
  x_70 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_70, 0, x_69);
  lean_ctor_set(x_7, 0, x_70);
  x_71 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_71, 0, x_7);
  lean_ctor_set(x_71, 1, x_57);
  return x_71;
  }
  }
  }
  }
  else
  {
  uint8_t x_72; 
  lean_free_object(x_7);
  lean_dec(x_17);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  x_72 = !lean_is_exclusive(x_19);
  if (x_72 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_73; lean_object* x_74; lean_object* x_75; 
  x_73 = lean_ctor_get(x_19, 0);
  x_74 = lean_ctor_get(x_19, 1);
  lean_inc(x_74);
  lean_inc(x_73);
  lean_dec(x_19);
  x_75 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_75, 0, x_73);
  lean_ctor_set(x_75, 1, x_74);
  return x_75;
  }
  }
  }
  else
  {
  lean_object* x_76; lean_object* x_77; 
  x_76 = lean_ctor_get(x_7, 1);
  lean_inc(x_76);
  lean_dec(x_7);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_77 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis_x3f(x_1, x_15, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_77) == 0)
  {
  lean_object* x_78; 
  x_78 = lean_ctor_get(x_77, 0);
  lean_inc(x_78);
  if (lean_obj_tag(x_78) == 0)
  {
  lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; size_t x_85; size_t x_86; 
  x_79 = lean_ctor_get(x_77, 1);
  lean_inc(x_79);
  lean_dec(x_77);
  x_80 = lean_box(0);
  lean_inc(x_3);
  x_81 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_76, x_80, x_8, x_9, x_10, x_11, x_79);
  lean_dec(x_76);
  x_82 = lean_ctor_get(x_81, 0);
  lean_inc(x_82);
  x_83 = lean_ctor_get(x_81, 1);
  lean_inc(x_83);
  lean_dec(x_81);
  x_84 = lean_ctor_get(x_82, 0);
  lean_inc(x_84);
  lean_dec(x_82);
  x_85 = 1;
  x_86 = x_6 + x_85;
  x_6 = x_86;
  x_7 = x_84;
  x_12 = x_83;
  goto _start;
  }
  else
  {
  lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; 
  x_88 = lean_ctor_get(x_77, 1);
  lean_inc(x_88);
  if (lean_is_exclusive(x_77)) {
   lean_ctor_release(x_77, 0);
   lean_ctor_release(x_77, 1);
   x_89 = x_77;
  } else {
   lean_dec_ref(x_77);
   x_89 = lean_box(0);
  }
  x_90 = lean_ctor_get(x_78, 0);
  lean_inc(x_90);
  if (lean_is_exclusive(x_78)) {
   lean_ctor_release(x_78, 0);
   x_91 = x_78;
  } else {
   lean_dec_ref(x_78);
   x_91 = lean_box(0);
  }
  x_92 = lean_expr_eqv(x_2, x_90);
  lean_dec(x_90);
  if (x_92 == 0)
  {
  lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; size_t x_98; size_t x_99; 
  lean_dec(x_91);
  lean_dec(x_89);
  x_93 = lean_box(0);
  lean_inc(x_3);
  x_94 = l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__1___lambda__1(x_3, x_76, x_93, x_8, x_9, x_10, x_11, x_88);
  lean_dec(x_76);
  x_95 = lean_ctor_get(x_94, 0);
  lean_inc(x_95);
  x_96 = lean_ctor_get(x_94, 1);
  lean_inc(x_96);
  lean_dec(x_94);
  x_97 = lean_ctor_get(x_95, 0);
  lean_inc(x_97);
  lean_dec(x_95);
  x_98 = 1;
  x_99 = x_6 + x_98;
  x_6 = x_99;
  x_7 = x_97;
  x_12 = x_96;
  goto _start;
  }
  else
  {
  lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  lean_inc(x_76);
  if (lean_is_scalar(x_91)) {
   x_101 = lean_alloc_ctor(1, 1, 0);
  } else {
   x_101 = x_91;
  }
  lean_ctor_set(x_101, 0, x_76);
  x_102 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_102, 0, x_101);
  x_103 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_103, 0, x_102);
  lean_ctor_set(x_103, 1, x_76);
  if (lean_is_scalar(x_89)) {
   x_104 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_104 = x_89;
  }
  lean_ctor_set(x_104, 0, x_103);
  lean_ctor_set(x_104, 1, x_88);
  return x_104;
  }
  }
  }
  else
  {
  lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
  lean_dec(x_76);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_3);
  lean_dec(x_1);
  x_105 = lean_ctor_get(x_77, 0);
  lean_inc(x_105);
  x_106 = lean_ctor_get(x_77, 1);
  lean_inc(x_106);
  if (lean_is_exclusive(x_77)) {
   lean_ctor_release(x_77, 0);
   lean_ctor_release(x_77, 1);
   x_107 = x_77;
  } else {
   lean_dec_ref(x_77);
   x_107 = lean_box(0);
  }
  if (lean_is_scalar(x_107)) {
   x_108 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_108 = x_107;
  }
  lean_ctor_set(x_108, 0, x_105);
  lean_ctor_set(x_108, 1, x_106);
  return x_108;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; 
  x_9 = lean_box(0);
  x_10 = lean_array_get_size(x_2);
  x_11 = lean_usize_of_nat(x_10);
  lean_dec(x_10);
  x_12 = 0;
  x_13 = l_Array_findIdxM_x3f___rarg___closed__1;
  x_14 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1(x_1, x_3, x_9, x_2, x_11, x_12, x_13, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  lean_dec(x_15);
  if (lean_obj_tag(x_16) == 0)
  {
  uint8_t x_17; 
  x_17 = !lean_is_exclusive(x_14);
  if (x_17 == 0)
  {
  lean_object* x_18; 
  x_18 = lean_ctor_get(x_14, 0);
  lean_dec(x_18);
  lean_ctor_set(x_14, 0, x_9);
  return x_14;
  }
  else
  {
  lean_object* x_19; lean_object* x_20; 
  x_19 = lean_ctor_get(x_14, 1);
  lean_inc(x_19);
  lean_dec(x_14);
  x_20 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_20, 0, x_9);
  lean_ctor_set(x_20, 1, x_19);
  return x_20;
  }
  }
  else
  {
  uint8_t x_21; 
  x_21 = !lean_is_exclusive(x_14);
  if (x_21 == 0)
  {
  lean_object* x_22; lean_object* x_23; 
  x_22 = lean_ctor_get(x_14, 0);
  lean_dec(x_22);
  x_23 = lean_ctor_get(x_16, 0);
  lean_inc(x_23);
  lean_dec(x_16);
  lean_ctor_set(x_14, 0, x_23);
  return x_14;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_24 = lean_ctor_get(x_14, 1);
  lean_inc(x_24);
  lean_dec(x_14);
  x_25 = lean_ctor_get(x_16, 0);
  lean_inc(x_25);
  lean_dec(x_16);
  x_26 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_26, 0, x_25);
  lean_ctor_set(x_26, 1, x_24);
  return x_26;
  }
  }
  }
  else
  {
  uint8_t x_27; 
  x_27 = !lean_is_exclusive(x_14);
  if (x_27 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_14, 0);
  x_29 = lean_ctor_get(x_14, 1);
  lean_inc(x_29);
  lean_inc(x_28);
  lean_dec(x_14);
  x_30 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  return x_30;
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  size_t x_13; size_t x_14; lean_object* x_15; 
  x_13 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_14 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___spec__1(x_1, x_2, x_3, x_4, x_13, x_14, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_4);
  lean_dec(x_2);
  return x_15;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_9;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; uint8_t x_9; uint8_t x_10; lean_object* x_11; 
  x_8 = l_Lean_Literal_type___closed__3;
  x_9 = 0;
  x_10 = 1;
  x_11 = l_Lean_Meta_mkLambdaFVars(x_1, x_8, x_9, x_10, x_3, x_4, x_5, x_6, x_7);
  return x_11;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1___boxed), 7, 0);
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__2() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("sizeOf");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_742____closed__2;
  x_2 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__2;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__4() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("motive: ");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__5() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__4;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; uint8_t x_11; 
  x_10 = lean_array_get_size(x_1);
  x_11 = lean_nat_dec_lt(x_3, x_10);
  lean_dec(x_10);
  if (x_11 == 0)
  {
  lean_object* x_12; 
  lean_dec(x_3);
  x_12 = lean_apply_6(x_2, x_4, x_5, x_6, x_7, x_8, x_9);
  return x_12;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_13 = l_Lean_instInhabitedExpr;
  x_14 = lean_array_get(x_13, x_1, x_3);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_15 = l_Lean_Meta_inferType(x_14, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  x_17 = lean_ctor_get(x_15, 1);
  lean_inc(x_17);
  lean_dec(x_15);
  x_18 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__1;
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_19 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(x_16, x_18, x_5, x_6, x_7, x_8, x_17);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  x_21 = lean_ctor_get(x_19, 1);
  lean_inc(x_21);
  lean_dec(x_19);
  x_41 = lean_st_ref_get(x_8, x_21);
  x_42 = lean_ctor_get(x_41, 0);
  lean_inc(x_42);
  x_43 = lean_ctor_get(x_42, 3);
  lean_inc(x_43);
  lean_dec(x_42);
  x_44 = lean_ctor_get_uint8(x_43, sizeof(void*)*1);
  lean_dec(x_43);
  if (x_44 == 0)
  {
  lean_object* x_45; uint8_t x_46; 
  x_45 = lean_ctor_get(x_41, 1);
  lean_inc(x_45);
  lean_dec(x_41);
  x_46 = 0;
  x_22 = x_46;
  x_23 = x_45;
  goto block_40;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
  x_47 = lean_ctor_get(x_41, 1);
  lean_inc(x_47);
  lean_dec(x_41);
  x_48 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___spec__2(x_48, x_5, x_6, x_7, x_8, x_47);
  x_50 = lean_ctor_get(x_49, 0);
  lean_inc(x_50);
  x_51 = lean_ctor_get(x_49, 1);
  lean_inc(x_51);
  lean_dec(x_49);
  x_52 = lean_unbox(x_50);
  lean_dec(x_50);
  x_22 = x_52;
  x_23 = x_51;
  goto block_40;
  }
  block_40:
  {
  if (x_22 == 0)
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_24 = lean_unsigned_to_nat(1u);
  x_25 = lean_nat_add(x_3, x_24);
  lean_dec(x_3);
  x_26 = lean_array_push(x_4, x_20);
  x_3 = x_25;
  x_4 = x_26;
  x_9 = x_23;
  goto _start;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
  lean_inc(x_20);
  x_28 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_28, 0, x_20);
  x_29 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__5;
  x_30 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_30, 0, x_29);
  lean_ctor_set(x_30, 1, x_28);
  x_31 = l_Lean_KernelException_toMessageData___closed__15;
  x_32 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_32, 0, x_30);
  lean_ctor_set(x_32, 1, x_31);
  x_33 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_34 = l_Lean_addTrace___at_Lean_Meta_isLevelDefEqAux___spec__1(x_33, x_32, x_5, x_6, x_7, x_8, x_23);
  x_35 = lean_ctor_get(x_34, 1);
  lean_inc(x_35);
  lean_dec(x_34);
  x_36 = lean_unsigned_to_nat(1u);
  x_37 = lean_nat_add(x_3, x_36);
  lean_dec(x_3);
  x_38 = lean_array_push(x_4, x_20);
  x_3 = x_37;
  x_4 = x_38;
  x_9 = x_35;
  goto _start;
  }
  }
  }
  else
  {
  uint8_t x_53; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_53 = !lean_is_exclusive(x_19);
  if (x_53 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_54; lean_object* x_55; lean_object* x_56; 
  x_54 = lean_ctor_get(x_19, 0);
  x_55 = lean_ctor_get(x_19, 1);
  lean_inc(x_55);
  lean_inc(x_54);
  lean_dec(x_19);
  x_56 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_56, 0, x_54);
  lean_ctor_set(x_56, 1, x_55);
  return x_56;
  }
  }
  }
  else
  {
  uint8_t x_57; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_57 = !lean_is_exclusive(x_15);
  if (x_57 == 0)
  {
  return x_15;
  }
  else
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; 
  x_58 = lean_ctor_get(x_15, 0);
  x_59 = lean_ctor_get(x_15, 1);
  lean_inc(x_59);
  lean_inc(x_58);
  lean_dec(x_15);
  x_60 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_60, 0, x_58);
  lean_ctor_set(x_60, 1, x_59);
  return x_60;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___boxed), 9, 0);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  return x_8;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  lean_dec(x_1);
  return x_10;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; 
  x_8 = lean_unsigned_to_nat(0u);
  x_9 = l_Array_empty___closed__1;
  x_10 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg(x_1, x_2, x_8, x_9, x_3, x_4, x_5, x_6, x_7);
  return x_10;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg___boxed), 7, 0);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_1);
  return x_8;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; lean_object* x_5; 
  lean_dec(x_2);
  x_4 = lean_box(0);
  x_5 = lean_apply_1(x_3, x_4);
  return x_5;
  }
  else
  {
  lean_object* x_6; lean_object* x_7; 
  lean_dec(x_3);
  x_6 = lean_ctor_get(x_1, 0);
  lean_inc(x_6);
  lean_dec(x_1);
  x_7 = lean_apply_1(x_2, x_6);
  return x_7;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__1___rarg), 3, 0);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; lean_object* x_5; 
  lean_dec(x_3);
  x_4 = lean_box(0);
  x_5 = lean_apply_1(x_2, x_4);
  return x_5;
  }
  else
  {
  lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
  lean_dec(x_2);
  x_6 = lean_ctor_get(x_1, 0);
  lean_inc(x_6);
  lean_dec(x_1);
  x_7 = lean_ctor_get(x_6, 0);
  lean_inc(x_7);
  x_8 = lean_ctor_get(x_6, 1);
  lean_inc(x_8);
  lean_dec(x_6);
  x_9 = lean_apply_2(x_3, x_7, x_8);
  return x_9;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__2(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__2___rarg), 3, 0);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__3___rarg(lean_object* x_1, lean_object* x_2) {
  _start:
  {
  lean_object* x_3; lean_object* x_4; lean_object* x_5; 
  x_3 = lean_ctor_get(x_1, 0);
  lean_inc(x_3);
  x_4 = lean_ctor_get(x_1, 1);
  lean_inc(x_4);
  lean_dec(x_1);
  x_5 = lean_apply_2(x_2, x_3, x_4);
  return x_5;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__3(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop_match__3___rarg), 2, 0);
  return x_2;
  }
  }
  static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2;
  x_2 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__2;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  lean_object* x_13; lean_object* x_14; uint8_t x_22; 
  x_22 = x_6 < x_5;
  if (x_22 == 0)
  {
  lean_object* x_23; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_23 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_23, 0, x_7);
  lean_ctor_set(x_23, 1, x_12);
  return x_23;
  }
  else
  {
  lean_object* x_24; uint8_t x_25; 
  x_24 = lean_array_uget(x_4, x_6);
  x_25 = !lean_is_exclusive(x_7);
  if (x_25 == 0)
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
  x_26 = lean_ctor_get(x_7, 0);
  x_27 = lean_ctor_get(x_7, 1);
  x_28 = lean_ctor_get(x_26, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_26, 1);
  lean_inc(x_29);
  x_30 = lean_ctor_get(x_26, 2);
  lean_inc(x_30);
  x_31 = lean_nat_dec_lt(x_29, x_30);
  if (x_31 == 0)
  {
  lean_object* x_32; 
  lean_dec(x_30);
  lean_dec(x_29);
  lean_dec(x_28);
  lean_dec(x_24);
  x_32 = lean_alloc_ctor(0, 1, 0);
  lean_ctor_set(x_32, 0, x_7);
  x_13 = x_32;
  x_14 = x_12;
  goto block_21;
  }
  else
  {
  uint8_t x_33; 
  x_33 = !lean_is_exclusive(x_26);
  if (x_33 == 0)
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  x_34 = lean_ctor_get(x_26, 2);
  lean_dec(x_34);
  x_35 = lean_ctor_get(x_26, 1);
  lean_dec(x_35);
  x_36 = lean_ctor_get(x_26, 0);
  lean_dec(x_36);
  x_37 = lean_array_fget(x_28, x_29);
  x_38 = lean_unsigned_to_nat(1u);
  x_39 = lean_nat_add(x_29, x_38);
  lean_dec(x_29);
  lean_ctor_set(x_26, 1, x_39);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  lean_inc(x_1);
  x_40 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis(x_1, x_24, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_40) == 0)
  {
  lean_object* x_41; uint8_t x_42; 
  x_41 = lean_ctor_get(x_40, 0);
  lean_inc(x_41);
  x_42 = lean_unbox(x_41);
  lean_dec(x_41);
  if (x_42 == 0)
  {
  lean_object* x_43; lean_object* x_44; 
  x_43 = lean_ctor_get(x_40, 1);
  lean_inc(x_43);
  lean_dec(x_40);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  x_44 = l_Lean_Meta_inferType(x_24, x_8, x_9, x_10, x_11, x_43);
  if (lean_obj_tag(x_44) == 0)
  {
  lean_object* x_45; lean_object* x_46; lean_object* x_47; 
  x_45 = lean_ctor_get(x_44, 0);
  lean_inc(x_45);
  x_46 = lean_ctor_get(x_44, 1);
  lean_inc(x_46);
  lean_dec(x_44);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_47 = l_Lean_Meta_whnf(x_45, x_8, x_9, x_10, x_11, x_46);
  if (lean_obj_tag(x_47) == 0)
  {
  lean_object* x_48; lean_object* x_49; uint8_t x_50; 
  x_48 = lean_ctor_get(x_47, 0);
  lean_inc(x_48);
  x_49 = lean_ctor_get(x_47, 1);
  lean_inc(x_49);
  lean_dec(x_47);
  x_50 = l_Lean_Expr_isForall(x_48);
  lean_dec(x_48);
  if (x_50 == 0)
  {
  lean_object* x_51; 
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_51 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(x_1, x_2, x_24, x_8, x_9, x_10, x_11, x_49);
  lean_dec(x_24);
  if (lean_obj_tag(x_51) == 0)
  {
  lean_object* x_52; 
  x_52 = lean_ctor_get(x_51, 0);
  lean_inc(x_52);
  if (lean_obj_tag(x_52) == 0)
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
  x_53 = lean_ctor_get(x_51, 1);
  lean_inc(x_53);
  lean_dec(x_51);
  x_54 = l_Lean_mkOptionalNode___closed__2;
  x_55 = lean_array_push(x_54, x_37);
  x_56 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_57 = l_Lean_Meta_mkAppM(x_56, x_55, x_8, x_9, x_10, x_11, x_53);
  if (lean_obj_tag(x_57) == 0)
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; 
  x_58 = lean_ctor_get(x_57, 0);
  lean_inc(x_58);
  x_59 = lean_ctor_get(x_57, 1);
  lean_inc(x_59);
  lean_dec(x_57);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_60 = l_Lean_Meta_mkAdd(x_27, x_58, x_8, x_9, x_10, x_11, x_59);
  if (lean_obj_tag(x_60) == 0)
  {
  lean_object* x_61; lean_object* x_62; lean_object* x_63; 
  x_61 = lean_ctor_get(x_60, 0);
  lean_inc(x_61);
  x_62 = lean_ctor_get(x_60, 1);
  lean_inc(x_62);
  lean_dec(x_60);
  lean_ctor_set(x_7, 1, x_61);
  x_63 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_63, 0, x_7);
  x_13 = x_63;
  x_14 = x_62;
  goto block_21;
  }
  else
  {
  uint8_t x_64; 
  lean_dec(x_26);
  lean_free_object(x_7);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_64 = !lean_is_exclusive(x_60);
  if (x_64 == 0)
  {
  return x_60;
  }
  else
  {
  lean_object* x_65; lean_object* x_66; lean_object* x_67; 
  x_65 = lean_ctor_get(x_60, 0);
  x_66 = lean_ctor_get(x_60, 1);
  lean_inc(x_66);
  lean_inc(x_65);
  lean_dec(x_60);
  x_67 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_67, 0, x_65);
  lean_ctor_set(x_67, 1, x_66);
  return x_67;
  }
  }
  }
  else
  {
  uint8_t x_68; 
  lean_dec(x_26);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_68 = !lean_is_exclusive(x_57);
  if (x_68 == 0)
  {
  return x_57;
  }
  else
  {
  lean_object* x_69; lean_object* x_70; lean_object* x_71; 
  x_69 = lean_ctor_get(x_57, 0);
  x_70 = lean_ctor_get(x_57, 1);
  lean_inc(x_70);
  lean_inc(x_69);
  lean_dec(x_57);
  x_71 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_71, 0, x_69);
  lean_ctor_set(x_71, 1, x_70);
  return x_71;
  }
  }
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
  lean_dec(x_37);
  x_72 = lean_ctor_get(x_51, 1);
  lean_inc(x_72);
  lean_dec(x_51);
  x_73 = lean_ctor_get(x_52, 0);
  lean_inc(x_73);
  lean_dec(x_52);
  x_74 = l_Lean_instInhabitedExpr;
  x_75 = lean_array_get(x_74, x_3, x_73);
  lean_dec(x_73);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_76 = l_Lean_Meta_mkAdd(x_27, x_75, x_8, x_9, x_10, x_11, x_72);
  if (lean_obj_tag(x_76) == 0)
  {
  lean_object* x_77; lean_object* x_78; lean_object* x_79; 
  x_77 = lean_ctor_get(x_76, 0);
  lean_inc(x_77);
  x_78 = lean_ctor_get(x_76, 1);
  lean_inc(x_78);
  lean_dec(x_76);
  lean_ctor_set(x_7, 1, x_77);
  x_79 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_79, 0, x_7);
  x_13 = x_79;
  x_14 = x_78;
  goto block_21;
  }
  else
  {
  uint8_t x_80; 
  lean_dec(x_26);
  lean_free_object(x_7);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_80 = !lean_is_exclusive(x_76);
  if (x_80 == 0)
  {
  return x_76;
  }
  else
  {
  lean_object* x_81; lean_object* x_82; lean_object* x_83; 
  x_81 = lean_ctor_get(x_76, 0);
  x_82 = lean_ctor_get(x_76, 1);
  lean_inc(x_82);
  lean_inc(x_81);
  lean_dec(x_76);
  x_83 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_83, 0, x_81);
  lean_ctor_set(x_83, 1, x_82);
  return x_83;
  }
  }
  }
  }
  else
  {
  uint8_t x_84; 
  lean_dec(x_26);
  lean_dec(x_37);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_84 = !lean_is_exclusive(x_51);
  if (x_84 == 0)
  {
  return x_51;
  }
  else
  {
  lean_object* x_85; lean_object* x_86; lean_object* x_87; 
  x_85 = lean_ctor_get(x_51, 0);
  x_86 = lean_ctor_get(x_51, 1);
  lean_inc(x_86);
  lean_inc(x_85);
  lean_dec(x_51);
  x_87 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_87, 0, x_85);
  lean_ctor_set(x_87, 1, x_86);
  return x_87;
  }
  }
  }
  else
  {
  lean_object* x_88; 
  lean_dec(x_37);
  lean_dec(x_24);
  x_88 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_88, 0, x_7);
  x_13 = x_88;
  x_14 = x_49;
  goto block_21;
  }
  }
  else
  {
  uint8_t x_89; 
  lean_dec(x_26);
  lean_dec(x_37);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_89 = !lean_is_exclusive(x_47);
  if (x_89 == 0)
  {
  return x_47;
  }
  else
  {
  lean_object* x_90; lean_object* x_91; lean_object* x_92; 
  x_90 = lean_ctor_get(x_47, 0);
  x_91 = lean_ctor_get(x_47, 1);
  lean_inc(x_91);
  lean_inc(x_90);
  lean_dec(x_47);
  x_92 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_92, 0, x_90);
  lean_ctor_set(x_92, 1, x_91);
  return x_92;
  }
  }
  }
  else
  {
  uint8_t x_93; 
  lean_dec(x_26);
  lean_dec(x_37);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_93 = !lean_is_exclusive(x_44);
  if (x_93 == 0)
  {
  return x_44;
  }
  else
  {
  lean_object* x_94; lean_object* x_95; lean_object* x_96; 
  x_94 = lean_ctor_get(x_44, 0);
  x_95 = lean_ctor_get(x_44, 1);
  lean_inc(x_95);
  lean_inc(x_94);
  lean_dec(x_44);
  x_96 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_96, 0, x_94);
  lean_ctor_set(x_96, 1, x_95);
  return x_96;
  }
  }
  }
  else
  {
  lean_object* x_97; lean_object* x_98; 
  lean_dec(x_37);
  lean_dec(x_24);
  x_97 = lean_ctor_get(x_40, 1);
  lean_inc(x_97);
  lean_dec(x_40);
  x_98 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_98, 0, x_7);
  x_13 = x_98;
  x_14 = x_97;
  goto block_21;
  }
  }
  else
  {
  uint8_t x_99; 
  lean_dec(x_26);
  lean_dec(x_37);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_99 = !lean_is_exclusive(x_40);
  if (x_99 == 0)
  {
  return x_40;
  }
  else
  {
  lean_object* x_100; lean_object* x_101; lean_object* x_102; 
  x_100 = lean_ctor_get(x_40, 0);
  x_101 = lean_ctor_get(x_40, 1);
  lean_inc(x_101);
  lean_inc(x_100);
  lean_dec(x_40);
  x_102 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_102, 0, x_100);
  lean_ctor_set(x_102, 1, x_101);
  return x_102;
  }
  }
  }
  else
  {
  lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
  lean_dec(x_26);
  x_103 = lean_array_fget(x_28, x_29);
  x_104 = lean_unsigned_to_nat(1u);
  x_105 = lean_nat_add(x_29, x_104);
  lean_dec(x_29);
  x_106 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_106, 0, x_28);
  lean_ctor_set(x_106, 1, x_105);
  lean_ctor_set(x_106, 2, x_30);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  lean_inc(x_1);
  x_107 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis(x_1, x_24, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_107) == 0)
  {
  lean_object* x_108; uint8_t x_109; 
  x_108 = lean_ctor_get(x_107, 0);
  lean_inc(x_108);
  x_109 = lean_unbox(x_108);
  lean_dec(x_108);
  if (x_109 == 0)
  {
  lean_object* x_110; lean_object* x_111; 
  x_110 = lean_ctor_get(x_107, 1);
  lean_inc(x_110);
  lean_dec(x_107);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  x_111 = l_Lean_Meta_inferType(x_24, x_8, x_9, x_10, x_11, x_110);
  if (lean_obj_tag(x_111) == 0)
  {
  lean_object* x_112; lean_object* x_113; lean_object* x_114; 
  x_112 = lean_ctor_get(x_111, 0);
  lean_inc(x_112);
  x_113 = lean_ctor_get(x_111, 1);
  lean_inc(x_113);
  lean_dec(x_111);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_114 = l_Lean_Meta_whnf(x_112, x_8, x_9, x_10, x_11, x_113);
  if (lean_obj_tag(x_114) == 0)
  {
  lean_object* x_115; lean_object* x_116; uint8_t x_117; 
  x_115 = lean_ctor_get(x_114, 0);
  lean_inc(x_115);
  x_116 = lean_ctor_get(x_114, 1);
  lean_inc(x_116);
  lean_dec(x_114);
  x_117 = l_Lean_Expr_isForall(x_115);
  lean_dec(x_115);
  if (x_117 == 0)
  {
  lean_object* x_118; 
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_118 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(x_1, x_2, x_24, x_8, x_9, x_10, x_11, x_116);
  lean_dec(x_24);
  if (lean_obj_tag(x_118) == 0)
  {
  lean_object* x_119; 
  x_119 = lean_ctor_get(x_118, 0);
  lean_inc(x_119);
  if (lean_obj_tag(x_119) == 0)
  {
  lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
  x_120 = lean_ctor_get(x_118, 1);
  lean_inc(x_120);
  lean_dec(x_118);
  x_121 = l_Lean_mkOptionalNode___closed__2;
  x_122 = lean_array_push(x_121, x_103);
  x_123 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_124 = l_Lean_Meta_mkAppM(x_123, x_122, x_8, x_9, x_10, x_11, x_120);
  if (lean_obj_tag(x_124) == 0)
  {
  lean_object* x_125; lean_object* x_126; lean_object* x_127; 
  x_125 = lean_ctor_get(x_124, 0);
  lean_inc(x_125);
  x_126 = lean_ctor_get(x_124, 1);
  lean_inc(x_126);
  lean_dec(x_124);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_127 = l_Lean_Meta_mkAdd(x_27, x_125, x_8, x_9, x_10, x_11, x_126);
  if (lean_obj_tag(x_127) == 0)
  {
  lean_object* x_128; lean_object* x_129; lean_object* x_130; 
  x_128 = lean_ctor_get(x_127, 0);
  lean_inc(x_128);
  x_129 = lean_ctor_get(x_127, 1);
  lean_inc(x_129);
  lean_dec(x_127);
  lean_ctor_set(x_7, 1, x_128);
  lean_ctor_set(x_7, 0, x_106);
  x_130 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_130, 0, x_7);
  x_13 = x_130;
  x_14 = x_129;
  goto block_21;
  }
  else
  {
  lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
  lean_dec(x_106);
  lean_free_object(x_7);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_131 = lean_ctor_get(x_127, 0);
  lean_inc(x_131);
  x_132 = lean_ctor_get(x_127, 1);
  lean_inc(x_132);
  if (lean_is_exclusive(x_127)) {
   lean_ctor_release(x_127, 0);
   lean_ctor_release(x_127, 1);
   x_133 = x_127;
  } else {
   lean_dec_ref(x_127);
   x_133 = lean_box(0);
  }
  if (lean_is_scalar(x_133)) {
   x_134 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_134 = x_133;
  }
  lean_ctor_set(x_134, 0, x_131);
  lean_ctor_set(x_134, 1, x_132);
  return x_134;
  }
  }
  else
  {
  lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
  lean_dec(x_106);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_135 = lean_ctor_get(x_124, 0);
  lean_inc(x_135);
  x_136 = lean_ctor_get(x_124, 1);
  lean_inc(x_136);
  if (lean_is_exclusive(x_124)) {
   lean_ctor_release(x_124, 0);
   lean_ctor_release(x_124, 1);
   x_137 = x_124;
  } else {
   lean_dec_ref(x_124);
   x_137 = lean_box(0);
  }
  if (lean_is_scalar(x_137)) {
   x_138 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_138 = x_137;
  }
  lean_ctor_set(x_138, 0, x_135);
  lean_ctor_set(x_138, 1, x_136);
  return x_138;
  }
  }
  else
  {
  lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
  lean_dec(x_103);
  x_139 = lean_ctor_get(x_118, 1);
  lean_inc(x_139);
  lean_dec(x_118);
  x_140 = lean_ctor_get(x_119, 0);
  lean_inc(x_140);
  lean_dec(x_119);
  x_141 = l_Lean_instInhabitedExpr;
  x_142 = lean_array_get(x_141, x_3, x_140);
  lean_dec(x_140);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_143 = l_Lean_Meta_mkAdd(x_27, x_142, x_8, x_9, x_10, x_11, x_139);
  if (lean_obj_tag(x_143) == 0)
  {
  lean_object* x_144; lean_object* x_145; lean_object* x_146; 
  x_144 = lean_ctor_get(x_143, 0);
  lean_inc(x_144);
  x_145 = lean_ctor_get(x_143, 1);
  lean_inc(x_145);
  lean_dec(x_143);
  lean_ctor_set(x_7, 1, x_144);
  lean_ctor_set(x_7, 0, x_106);
  x_146 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_146, 0, x_7);
  x_13 = x_146;
  x_14 = x_145;
  goto block_21;
  }
  else
  {
  lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
  lean_dec(x_106);
  lean_free_object(x_7);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_147 = lean_ctor_get(x_143, 0);
  lean_inc(x_147);
  x_148 = lean_ctor_get(x_143, 1);
  lean_inc(x_148);
  if (lean_is_exclusive(x_143)) {
   lean_ctor_release(x_143, 0);
   lean_ctor_release(x_143, 1);
   x_149 = x_143;
  } else {
   lean_dec_ref(x_143);
   x_149 = lean_box(0);
  }
  if (lean_is_scalar(x_149)) {
   x_150 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_150 = x_149;
  }
  lean_ctor_set(x_150, 0, x_147);
  lean_ctor_set(x_150, 1, x_148);
  return x_150;
  }
  }
  }
  else
  {
  lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
  lean_dec(x_106);
  lean_dec(x_103);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_151 = lean_ctor_get(x_118, 0);
  lean_inc(x_151);
  x_152 = lean_ctor_get(x_118, 1);
  lean_inc(x_152);
  if (lean_is_exclusive(x_118)) {
   lean_ctor_release(x_118, 0);
   lean_ctor_release(x_118, 1);
   x_153 = x_118;
  } else {
   lean_dec_ref(x_118);
   x_153 = lean_box(0);
  }
  if (lean_is_scalar(x_153)) {
   x_154 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_154 = x_153;
  }
  lean_ctor_set(x_154, 0, x_151);
  lean_ctor_set(x_154, 1, x_152);
  return x_154;
  }
  }
  else
  {
  lean_object* x_155; 
  lean_dec(x_103);
  lean_dec(x_24);
  lean_ctor_set(x_7, 0, x_106);
  x_155 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_155, 0, x_7);
  x_13 = x_155;
  x_14 = x_116;
  goto block_21;
  }
  }
  else
  {
  lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
  lean_dec(x_106);
  lean_dec(x_103);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_156 = lean_ctor_get(x_114, 0);
  lean_inc(x_156);
  x_157 = lean_ctor_get(x_114, 1);
  lean_inc(x_157);
  if (lean_is_exclusive(x_114)) {
   lean_ctor_release(x_114, 0);
   lean_ctor_release(x_114, 1);
   x_158 = x_114;
  } else {
   lean_dec_ref(x_114);
   x_158 = lean_box(0);
  }
  if (lean_is_scalar(x_158)) {
   x_159 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_159 = x_158;
  }
  lean_ctor_set(x_159, 0, x_156);
  lean_ctor_set(x_159, 1, x_157);
  return x_159;
  }
  }
  else
  {
  lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
  lean_dec(x_106);
  lean_dec(x_103);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_160 = lean_ctor_get(x_111, 0);
  lean_inc(x_160);
  x_161 = lean_ctor_get(x_111, 1);
  lean_inc(x_161);
  if (lean_is_exclusive(x_111)) {
   lean_ctor_release(x_111, 0);
   lean_ctor_release(x_111, 1);
   x_162 = x_111;
  } else {
   lean_dec_ref(x_111);
   x_162 = lean_box(0);
  }
  if (lean_is_scalar(x_162)) {
   x_163 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_163 = x_162;
  }
  lean_ctor_set(x_163, 0, x_160);
  lean_ctor_set(x_163, 1, x_161);
  return x_163;
  }
  }
  else
  {
  lean_object* x_164; lean_object* x_165; 
  lean_dec(x_103);
  lean_dec(x_24);
  x_164 = lean_ctor_get(x_107, 1);
  lean_inc(x_164);
  lean_dec(x_107);
  lean_ctor_set(x_7, 0, x_106);
  x_165 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_165, 0, x_7);
  x_13 = x_165;
  x_14 = x_164;
  goto block_21;
  }
  }
  else
  {
  lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
  lean_dec(x_106);
  lean_dec(x_103);
  lean_free_object(x_7);
  lean_dec(x_27);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_166 = lean_ctor_get(x_107, 0);
  lean_inc(x_166);
  x_167 = lean_ctor_get(x_107, 1);
  lean_inc(x_167);
  if (lean_is_exclusive(x_107)) {
   lean_ctor_release(x_107, 0);
   lean_ctor_release(x_107, 1);
   x_168 = x_107;
  } else {
   lean_dec_ref(x_107);
   x_168 = lean_box(0);
  }
  if (lean_is_scalar(x_168)) {
   x_169 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_169 = x_168;
  }
  lean_ctor_set(x_169, 0, x_166);
  lean_ctor_set(x_169, 1, x_167);
  return x_169;
  }
  }
  }
  }
  else
  {
  lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; 
  x_170 = lean_ctor_get(x_7, 0);
  x_171 = lean_ctor_get(x_7, 1);
  lean_inc(x_171);
  lean_inc(x_170);
  lean_dec(x_7);
  x_172 = lean_ctor_get(x_170, 0);
  lean_inc(x_172);
  x_173 = lean_ctor_get(x_170, 1);
  lean_inc(x_173);
  x_174 = lean_ctor_get(x_170, 2);
  lean_inc(x_174);
  x_175 = lean_nat_dec_lt(x_173, x_174);
  if (x_175 == 0)
  {
  lean_object* x_176; lean_object* x_177; 
  lean_dec(x_174);
  lean_dec(x_173);
  lean_dec(x_172);
  lean_dec(x_24);
  x_176 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_176, 0, x_170);
  lean_ctor_set(x_176, 1, x_171);
  x_177 = lean_alloc_ctor(0, 1, 0);
  lean_ctor_set(x_177, 0, x_176);
  x_13 = x_177;
  x_14 = x_12;
  goto block_21;
  }
  else
  {
  lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
  if (lean_is_exclusive(x_170)) {
   lean_ctor_release(x_170, 0);
   lean_ctor_release(x_170, 1);
   lean_ctor_release(x_170, 2);
   x_178 = x_170;
  } else {
   lean_dec_ref(x_170);
   x_178 = lean_box(0);
  }
  x_179 = lean_array_fget(x_172, x_173);
  x_180 = lean_unsigned_to_nat(1u);
  x_181 = lean_nat_add(x_173, x_180);
  lean_dec(x_173);
  if (lean_is_scalar(x_178)) {
   x_182 = lean_alloc_ctor(0, 3, 0);
  } else {
   x_182 = x_178;
  }
  lean_ctor_set(x_182, 0, x_172);
  lean_ctor_set(x_182, 1, x_181);
  lean_ctor_set(x_182, 2, x_174);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  lean_inc(x_1);
  x_183 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isInductiveHypothesis(x_1, x_24, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_183) == 0)
  {
  lean_object* x_184; uint8_t x_185; 
  x_184 = lean_ctor_get(x_183, 0);
  lean_inc(x_184);
  x_185 = lean_unbox(x_184);
  lean_dec(x_184);
  if (x_185 == 0)
  {
  lean_object* x_186; lean_object* x_187; 
  x_186 = lean_ctor_get(x_183, 1);
  lean_inc(x_186);
  lean_dec(x_183);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_24);
  x_187 = l_Lean_Meta_inferType(x_24, x_8, x_9, x_10, x_11, x_186);
  if (lean_obj_tag(x_187) == 0)
  {
  lean_object* x_188; lean_object* x_189; lean_object* x_190; 
  x_188 = lean_ctor_get(x_187, 0);
  lean_inc(x_188);
  x_189 = lean_ctor_get(x_187, 1);
  lean_inc(x_189);
  lean_dec(x_187);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_190 = l_Lean_Meta_whnf(x_188, x_8, x_9, x_10, x_11, x_189);
  if (lean_obj_tag(x_190) == 0)
  {
  lean_object* x_191; lean_object* x_192; uint8_t x_193; 
  x_191 = lean_ctor_get(x_190, 0);
  lean_inc(x_191);
  x_192 = lean_ctor_get(x_190, 1);
  lean_inc(x_192);
  lean_dec(x_190);
  x_193 = l_Lean_Expr_isForall(x_191);
  lean_dec(x_191);
  if (x_193 == 0)
  {
  lean_object* x_194; 
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_194 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_isRecField_x3f(x_1, x_2, x_24, x_8, x_9, x_10, x_11, x_192);
  lean_dec(x_24);
  if (lean_obj_tag(x_194) == 0)
  {
  lean_object* x_195; 
  x_195 = lean_ctor_get(x_194, 0);
  lean_inc(x_195);
  if (lean_obj_tag(x_195) == 0)
  {
  lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; 
  x_196 = lean_ctor_get(x_194, 1);
  lean_inc(x_196);
  lean_dec(x_194);
  x_197 = l_Lean_mkOptionalNode___closed__2;
  x_198 = lean_array_push(x_197, x_179);
  x_199 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_200 = l_Lean_Meta_mkAppM(x_199, x_198, x_8, x_9, x_10, x_11, x_196);
  if (lean_obj_tag(x_200) == 0)
  {
  lean_object* x_201; lean_object* x_202; lean_object* x_203; 
  x_201 = lean_ctor_get(x_200, 0);
  lean_inc(x_201);
  x_202 = lean_ctor_get(x_200, 1);
  lean_inc(x_202);
  lean_dec(x_200);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_203 = l_Lean_Meta_mkAdd(x_171, x_201, x_8, x_9, x_10, x_11, x_202);
  if (lean_obj_tag(x_203) == 0)
  {
  lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
  x_204 = lean_ctor_get(x_203, 0);
  lean_inc(x_204);
  x_205 = lean_ctor_get(x_203, 1);
  lean_inc(x_205);
  lean_dec(x_203);
  x_206 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_206, 0, x_182);
  lean_ctor_set(x_206, 1, x_204);
  x_207 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_207, 0, x_206);
  x_13 = x_207;
  x_14 = x_205;
  goto block_21;
  }
  else
  {
  lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; 
  lean_dec(x_182);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_208 = lean_ctor_get(x_203, 0);
  lean_inc(x_208);
  x_209 = lean_ctor_get(x_203, 1);
  lean_inc(x_209);
  if (lean_is_exclusive(x_203)) {
   lean_ctor_release(x_203, 0);
   lean_ctor_release(x_203, 1);
   x_210 = x_203;
  } else {
   lean_dec_ref(x_203);
   x_210 = lean_box(0);
  }
  if (lean_is_scalar(x_210)) {
   x_211 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_211 = x_210;
  }
  lean_ctor_set(x_211, 0, x_208);
  lean_ctor_set(x_211, 1, x_209);
  return x_211;
  }
  }
  else
  {
  lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; 
  lean_dec(x_182);
  lean_dec(x_171);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_212 = lean_ctor_get(x_200, 0);
  lean_inc(x_212);
  x_213 = lean_ctor_get(x_200, 1);
  lean_inc(x_213);
  if (lean_is_exclusive(x_200)) {
   lean_ctor_release(x_200, 0);
   lean_ctor_release(x_200, 1);
   x_214 = x_200;
  } else {
   lean_dec_ref(x_200);
   x_214 = lean_box(0);
  }
  if (lean_is_scalar(x_214)) {
   x_215 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_215 = x_214;
  }
  lean_ctor_set(x_215, 0, x_212);
  lean_ctor_set(x_215, 1, x_213);
  return x_215;
  }
  }
  else
  {
  lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
  lean_dec(x_179);
  x_216 = lean_ctor_get(x_194, 1);
  lean_inc(x_216);
  lean_dec(x_194);
  x_217 = lean_ctor_get(x_195, 0);
  lean_inc(x_217);
  lean_dec(x_195);
  x_218 = l_Lean_instInhabitedExpr;
  x_219 = lean_array_get(x_218, x_3, x_217);
  lean_dec(x_217);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_220 = l_Lean_Meta_mkAdd(x_171, x_219, x_8, x_9, x_10, x_11, x_216);
  if (lean_obj_tag(x_220) == 0)
  {
  lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; 
  x_221 = lean_ctor_get(x_220, 0);
  lean_inc(x_221);
  x_222 = lean_ctor_get(x_220, 1);
  lean_inc(x_222);
  lean_dec(x_220);
  x_223 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_223, 0, x_182);
  lean_ctor_set(x_223, 1, x_221);
  x_224 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_224, 0, x_223);
  x_13 = x_224;
  x_14 = x_222;
  goto block_21;
  }
  else
  {
  lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; 
  lean_dec(x_182);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_225 = lean_ctor_get(x_220, 0);
  lean_inc(x_225);
  x_226 = lean_ctor_get(x_220, 1);
  lean_inc(x_226);
  if (lean_is_exclusive(x_220)) {
   lean_ctor_release(x_220, 0);
   lean_ctor_release(x_220, 1);
   x_227 = x_220;
  } else {
   lean_dec_ref(x_220);
   x_227 = lean_box(0);
  }
  if (lean_is_scalar(x_227)) {
   x_228 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_228 = x_227;
  }
  lean_ctor_set(x_228, 0, x_225);
  lean_ctor_set(x_228, 1, x_226);
  return x_228;
  }
  }
  }
  else
  {
  lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; 
  lean_dec(x_182);
  lean_dec(x_179);
  lean_dec(x_171);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_229 = lean_ctor_get(x_194, 0);
  lean_inc(x_229);
  x_230 = lean_ctor_get(x_194, 1);
  lean_inc(x_230);
  if (lean_is_exclusive(x_194)) {
   lean_ctor_release(x_194, 0);
   lean_ctor_release(x_194, 1);
   x_231 = x_194;
  } else {
   lean_dec_ref(x_194);
   x_231 = lean_box(0);
  }
  if (lean_is_scalar(x_231)) {
   x_232 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_232 = x_231;
  }
  lean_ctor_set(x_232, 0, x_229);
  lean_ctor_set(x_232, 1, x_230);
  return x_232;
  }
  }
  else
  {
  lean_object* x_233; lean_object* x_234; 
  lean_dec(x_179);
  lean_dec(x_24);
  x_233 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_233, 0, x_182);
  lean_ctor_set(x_233, 1, x_171);
  x_234 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_234, 0, x_233);
  x_13 = x_234;
  x_14 = x_192;
  goto block_21;
  }
  }
  else
  {
  lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; 
  lean_dec(x_182);
  lean_dec(x_179);
  lean_dec(x_171);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_235 = lean_ctor_get(x_190, 0);
  lean_inc(x_235);
  x_236 = lean_ctor_get(x_190, 1);
  lean_inc(x_236);
  if (lean_is_exclusive(x_190)) {
   lean_ctor_release(x_190, 0);
   lean_ctor_release(x_190, 1);
   x_237 = x_190;
  } else {
   lean_dec_ref(x_190);
   x_237 = lean_box(0);
  }
  if (lean_is_scalar(x_237)) {
   x_238 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_238 = x_237;
  }
  lean_ctor_set(x_238, 0, x_235);
  lean_ctor_set(x_238, 1, x_236);
  return x_238;
  }
  }
  else
  {
  lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
  lean_dec(x_182);
  lean_dec(x_179);
  lean_dec(x_171);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_239 = lean_ctor_get(x_187, 0);
  lean_inc(x_239);
  x_240 = lean_ctor_get(x_187, 1);
  lean_inc(x_240);
  if (lean_is_exclusive(x_187)) {
   lean_ctor_release(x_187, 0);
   lean_ctor_release(x_187, 1);
   x_241 = x_187;
  } else {
   lean_dec_ref(x_187);
   x_241 = lean_box(0);
  }
  if (lean_is_scalar(x_241)) {
   x_242 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_242 = x_241;
  }
  lean_ctor_set(x_242, 0, x_239);
  lean_ctor_set(x_242, 1, x_240);
  return x_242;
  }
  }
  else
  {
  lean_object* x_243; lean_object* x_244; lean_object* x_245; 
  lean_dec(x_179);
  lean_dec(x_24);
  x_243 = lean_ctor_get(x_183, 1);
  lean_inc(x_243);
  lean_dec(x_183);
  x_244 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_244, 0, x_182);
  lean_ctor_set(x_244, 1, x_171);
  x_245 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_245, 0, x_244);
  x_13 = x_245;
  x_14 = x_243;
  goto block_21;
  }
  }
  else
  {
  lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
  lean_dec(x_182);
  lean_dec(x_179);
  lean_dec(x_171);
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_246 = lean_ctor_get(x_183, 0);
  lean_inc(x_246);
  x_247 = lean_ctor_get(x_183, 1);
  lean_inc(x_247);
  if (lean_is_exclusive(x_183)) {
   lean_ctor_release(x_183, 0);
   lean_ctor_release(x_183, 1);
   x_248 = x_183;
  } else {
   lean_dec_ref(x_183);
   x_248 = lean_box(0);
  }
  if (lean_is_scalar(x_248)) {
   x_249 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_249 = x_248;
  }
  lean_ctor_set(x_249, 0, x_246);
  lean_ctor_set(x_249, 1, x_247);
  return x_249;
  }
  }
  }
  }
  block_21:
  {
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_15; lean_object* x_16; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_1);
  x_15 = lean_ctor_get(x_13, 0);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_16, 0, x_15);
  lean_ctor_set(x_16, 1, x_14);
  return x_16;
  }
  else
  {
  lean_object* x_17; size_t x_18; size_t x_19; 
  x_17 = lean_ctor_get(x_13, 0);
  lean_inc(x_17);
  lean_dec(x_13);
  x_18 = 1;
  x_19 = x_6 + x_18;
  x_6 = x_19;
  x_7 = x_17;
  x_12 = x_14;
  goto _start;
  }
  }
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("minor: ");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__1;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
  _start:
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = l_Lean_Literal_type___closed__3;
  x_17 = lean_unsigned_to_nat(1u);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  x_18 = l_Lean_Meta_mkNumeral(x_16, x_17, x_11, x_12, x_13, x_14, x_15);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = lean_array_get_size(x_9);
  x_22 = lean_unsigned_to_nat(0u);
  lean_inc(x_9);
  x_23 = l_Array_toSubarray___rarg(x_9, x_22, x_21);
  x_24 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_24, 0, x_23);
  lean_ctor_set(x_24, 1, x_19);
  x_25 = lean_usize_of_nat(x_1);
  x_26 = 0;
  lean_inc(x_14);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_2);
  x_27 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1(x_2, x_3, x_9, x_3, x_25, x_26, x_24, x_11, x_12, x_13, x_14, x_20);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; uint8_t x_32; lean_object* x_33; 
  x_28 = lean_ctor_get(x_27, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_27, 1);
  lean_inc(x_29);
  lean_dec(x_27);
  x_30 = lean_ctor_get(x_28, 1);
  lean_inc(x_30);
  lean_dec(x_28);
  x_31 = 0;
  x_32 = 1;
  lean_inc(x_11);
  x_33 = l_Lean_Meta_mkLambdaFVars(x_9, x_30, x_31, x_32, x_11, x_12, x_13, x_14, x_29);
  if (lean_obj_tag(x_33) == 0)
  {
  lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_33, 1);
  lean_inc(x_35);
  lean_dec(x_33);
  x_53 = lean_st_ref_get(x_14, x_35);
  x_54 = lean_ctor_get(x_53, 0);
  lean_inc(x_54);
  x_55 = lean_ctor_get(x_54, 3);
  lean_inc(x_55);
  lean_dec(x_54);
  x_56 = lean_ctor_get_uint8(x_55, sizeof(void*)*1);
  lean_dec(x_55);
  if (x_56 == 0)
  {
  lean_object* x_57; 
  x_57 = lean_ctor_get(x_53, 1);
  lean_inc(x_57);
  lean_dec(x_53);
  x_36 = x_31;
  x_37 = x_57;
  goto block_52;
  }
  else
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
  x_58 = lean_ctor_get(x_53, 1);
  lean_inc(x_58);
  lean_dec(x_53);
  x_59 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_60 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___spec__2(x_59, x_11, x_12, x_13, x_14, x_58);
  x_61 = lean_ctor_get(x_60, 0);
  lean_inc(x_61);
  x_62 = lean_ctor_get(x_60, 1);
  lean_inc(x_62);
  lean_dec(x_60);
  x_63 = lean_unbox(x_61);
  lean_dec(x_61);
  x_36 = x_63;
  x_37 = x_62;
  goto block_52;
  }
  block_52:
  {
  if (x_36 == 0)
  {
  lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  x_38 = lean_nat_add(x_4, x_17);
  x_39 = lean_array_push(x_5, x_34);
  x_40 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg(x_2, x_6, x_7, x_8, x_38, x_39, x_11, x_12, x_13, x_14, x_37);
  return x_40;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
  lean_inc(x_34);
  x_41 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_41, 0, x_34);
  x_42 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___rarg___lambda__1___closed__2;
  x_43 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_43, 0, x_42);
  lean_ctor_set(x_43, 1, x_41);
  x_44 = l_Lean_KernelException_toMessageData___closed__15;
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  x_15 = lean_ctor_get(x_7, 1);
  lean_inc(x_15);
  lean_dec(x_7);
  x_16 = lean_box(0);
  x_17 = l_Lean_mkConst(x_1, x_16);
  x_18 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_18, 0, x_17);
  x_19 = l_Lean_KernelException_toMessageData___closed__3;
  x_20 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_20, 0, x_19);
  lean_ctor_set(x_20, 1, x_18);
  x_21 = l_Lean_getConstInfoRec___rarg___lambda__1___closed__2;
  x_22 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_22, 0, x_20);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = l_Lean_throwError___at_Lean_Meta_mkSizeOfFn___spec__2(x_22, x_2, x_3, x_4, x_5, x_15);
  return x_23;
  }
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_1);
  x_24 = !lean_is_exclusive(x_7);
  if (x_24 == 0)
  {
  return x_7;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_7, 0);
  x_26 = lean_ctor_get(x_7, 1);
  lean_inc(x_26);
  lean_inc(x_25);
  lean_dec(x_7);
  x_27 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_27, 0, x_25);
  lean_ctor_set(x_27, 1, x_26);
  return x_27;
  }
  }
  }
  }
  lean_object* l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; 
  x_7 = lean_ctor_get(x_4, 0);
  lean_inc(x_7);
  x_8 = l_Lean_KernelException_toMessageData(x_1, x_7);
  x_9 = l_Lean_throwError___at_Lean_Meta_setInlineAttribute___spec__1(x_8, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_4);
  return x_9;
  }
  }
  lean_object* l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
  x_7 = lean_st_ref_get(x_5, x_6);
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  x_9 = lean_ctor_get(x_7, 1);
  lean_inc(x_9);
  lean_dec(x_7);
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_add_decl(x_10, x_1);
  if (lean_obj_tag(x_11) == 0)
  {
  lean_object* x_12; lean_object* x_13; 
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  lean_dec(x_11);
  x_13 = l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4(x_12, x_2, x_3, x_4, x_5, x_9);
  return x_13;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_ctor_get(x_11, 0);
  lean_inc(x_14);
  lean_dec(x_11);
  x_15 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_14, x_2, x_3, x_4, x_5, x_9);
  lean_dec(x_4);
  return x_15;
  }
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
  _start:
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; uint8_t x_23; lean_object* x_24; 
  x_16 = l_Array_append___rarg(x_1, x_2);
  x_17 = l_Array_ofSubarray___rarg(x_3);
  x_18 = l_Array_append___rarg(x_16, x_17);
  x_19 = l_Lean_mkOptionalNode___closed__2;
  x_20 = lean_array_push(x_19, x_4);
  x_21 = l_Array_append___rarg(x_18, x_20);
  x_22 = 0;
  x_23 = 1;
  lean_inc(x_11);
  lean_inc(x_21);
  x_24 = l_Lean_Meta_mkForallFVars(x_21, x_5, x_22, x_23, x_11, x_12, x_13, x_14, x_15);
  if (lean_obj_tag(x_24) == 0)
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_45; lean_object* x_46; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
  x_25 = lean_ctor_get(x_24, 0);
  lean_inc(x_25);
  x_26 = lean_ctor_get(x_24, 1);
  lean_inc(x_26);
  lean_dec(x_24);
  x_27 = l_Array_append___rarg(x_10, x_17);
  lean_dec(x_17);
  x_28 = l_Array_append___rarg(x_27, x_20);
  lean_dec(x_20);
  x_29 = l_Lean_mkAppN(x_6, x_28);
  lean_dec(x_28);
  x_55 = lean_st_ref_get(x_14, x_26);
  x_56 = lean_ctor_get(x_55, 0);
  lean_inc(x_56);
  x_57 = lean_ctor_get(x_56, 3);
  lean_inc(x_57);
  lean_dec(x_56);
  x_58 = lean_ctor_get_uint8(x_57, sizeof(void*)*1);
  lean_dec(x_57);
  if (x_58 == 0)
  {
  lean_object* x_59; 
  x_59 = lean_ctor_get(x_55, 1);
  lean_inc(x_59);
  lean_dec(x_55);
  x_45 = x_22;
  x_46 = x_59;
  goto block_54;
  }
  else
  {
  lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
  x_60 = lean_ctor_get(x_55, 1);
  lean_inc(x_60);
  lean_dec(x_55);
  lean_inc(x_9);
  x_61 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___spec__2(x_9, x_11, x_12, x_13, x_14, x_60);
  x_62 = lean_ctor_get(x_61, 0);
  lean_inc(x_62);
  x_63 = lean_ctor_get(x_61, 1);
  lean_inc(x_63);
  lean_dec(x_61);
  x_64 = lean_unbox(x_62);
  lean_dec(x_62);
  x_45 = x_64;
  x_46 = x_63;
  goto block_54;
  }
  block_44:
  {
  lean_object* x_31; 
  lean_inc(x_11);
  x_31 = l_Lean_Meta_mkLambdaFVars(x_21, x_29, x_22, x_23, x_11, x_12, x_13, x_14, x_30);
  if (lean_obj_tag(x_31) == 0)
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
  x_32 = lean_ctor_get(x_31, 0);
  lean_inc(x_32);
  x_33 = lean_ctor_get(x_31, 1);
  lean_inc(x_33);
  lean_dec(x_31);
  x_34 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_34, 0, x_7);
  lean_ctor_set(x_34, 1, x_8);
  lean_ctor_set(x_34, 2, x_25);
  x_35 = lean_box(1);
  x_36 = 1;
  x_37 = lean_alloc_ctor(0, 3, 1);
  lean_ctor_set(x_37, 0, x_34);
  lean_ctor_set(x_37, 1, x_32);
  lean_ctor_set(x_37, 2, x_35);
  lean_ctor_set_uint8(x_37, sizeof(void*)*3, x_36);
  x_38 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_38, 0, x_37);
  x_39 = l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3(x_38, x_11, x_12, x_13, x_14, x_33);
  lean_dec(x_11);
  lean_dec(x_38);
  return x_39;
  }
  else
  {
  uint8_t x_40; 
  lean_dec(x_25);
  lean_dec(x_13);
  lean_dec(x_11);
  lean_dec(x_8);
  lean_dec(x_7);
  x_40 = !lean_is_exclusive(x_31);
  if (x_40 == 0)
  {
  return x_31;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; 
  x_41 = lean_ctor_get(x_31, 0);
  x_42 = lean_ctor_get(x_31, 1);
  lean_inc(x_42);
  lean_inc(x_41);
  lean_dec(x_31);
  x_43 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_43, 0, x_41);
  lean_ctor_set(x_43, 1, x_42);
  return x_43;
  }
  }
  }
  block_54:
  {
  if (x_45 == 0)
  {
  lean_dec(x_9);
  x_30 = x_46;
  goto block_44;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
  lean_inc(x_29);
  x_47 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_47, 0, x_29);
  x_48 = l___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_mkAnswer___lambda__4___closed__2;
  x_49 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_49, 0, x_48);
  lean_ctor_set(x_49, 1, x_47);
  x_50 = l_Lean_KernelException_toMessageData___closed__15;
  x_51 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_51, 0, x_49);
  lean_ctor_set(x_51, 1, x_50);
  x_52 = l_Lean_addTrace___at_Lean_Meta_isLevelDefEqAux___spec__1(x_9, x_51, x_11, x_12, x_13, x_14, x_46);
  x_53 = lean_ctor_get(x_52, 1);
  lean_inc(x_53);
  lean_dec(x_52);
  x_30 = x_53;
  goto block_44;
  }
  }
  }
  else
  {
  uint8_t x_65; 
  lean_dec(x_21);
  lean_dec(x_20);
  lean_dec(x_17);
  lean_dec(x_13);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  x_65 = !lean_is_exclusive(x_24);
  if (x_65 == 0)
  {
  return x_24;
  }
  else
  {
  lean_object* x_66; lean_object* x_67; lean_object* x_68; 
  x_66 = lean_ctor_get(x_24, 0);
  x_67 = lean_ctor_get(x_24, 1);
  lean_inc(x_67);
  lean_inc(x_66);
  lean_dec(x_24);
  x_68 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_68, 0, x_66);
  lean_ctor_set(x_68, 1, x_67);
  return x_68;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
  _start:
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_19 = l_Array_ofSubarray___rarg(x_1);
  x_20 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFn___lambda__1___boxed), 15, 9);
  lean_closure_set(x_20, 0, x_2);
  lean_closure_set(x_20, 1, x_3);
  lean_closure_set(x_20, 2, x_4);
  lean_closure_set(x_20, 3, x_5);
  lean_closure_set(x_20, 4, x_6);
  lean_closure_set(x_20, 5, x_7);
  lean_closure_set(x_20, 6, x_8);
  lean_closure_set(x_20, 7, x_9);
  lean_closure_set(x_20, 8, x_10);
  x_21 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors___rarg(x_11, x_19, x_12, x_20, x_14, x_15, x_16, x_17, x_18);
  return x_21;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
  _start:
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
  lean_inc(x_1);
  x_19 = l_List_map___at_Lean_mkConstWithLevelParams___spec__1(x_1);
  x_20 = l_Lean_levelOne;
  x_21 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_21, 0, x_20);
  lean_ctor_set(x_21, 1, x_19);
  x_22 = l_Lean_mkConst(x_2, x_21);
  lean_inc(x_3);
  x_23 = l_Array_append___rarg(x_3, x_13);
  x_24 = l_Lean_mkAppN(x_22, x_23);
  lean_dec(x_23);
  lean_inc(x_17);
  lean_inc(x_16);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_inc(x_24);
  x_25 = l_Lean_Meta_inferType(x_24, x_14, x_15, x_16, x_17, x_18);
  if (lean_obj_tag(x_25) == 0)
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_26 = lean_ctor_get(x_25, 0);
  lean_inc(x_26);
  x_27 = lean_ctor_get(x_25, 1);
  lean_inc(x_27);
  lean_dec(x_25);
  x_28 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_28, 0, x_4);
  x_29 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFn___lambda__2___boxed), 18, 11);
  lean_closure_set(x_29, 0, x_5);
  lean_closure_set(x_29, 1, x_3);
  lean_closure_set(x_29, 2, x_6);
  lean_closure_set(x_29, 3, x_7);
  lean_closure_set(x_29, 4, x_8);
  lean_closure_set(x_29, 5, x_9);
  lean_closure_set(x_29, 6, x_24);
  lean_closure_set(x_29, 7, x_10);
  lean_closure_set(x_29, 8, x_1);
  lean_closure_set(x_29, 9, x_11);
  lean_closure_set(x_29, 10, x_12);
  x_30 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__2___rarg(x_26, x_28, x_29, x_14, x_15, x_16, x_17, x_27);
  return x_30;
  }
  else
  {
  uint8_t x_31; 
  lean_dec(x_24);
  lean_dec(x_17);
  lean_dec(x_16);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_31 = !lean_is_exclusive(x_25);
  if (x_31 == 0)
  {
  return x_25;
  }
  else
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_32 = lean_ctor_get(x_25, 0);
  x_33 = lean_ctor_get(x_25, 1);
  lean_inc(x_33);
  lean_inc(x_32);
  lean_dec(x_25);
  x_34 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_34, 0, x_32);
  lean_ctor_set(x_34, 1, x_33);
  return x_34;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
  _start:
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = l_Array_ofSubarray___rarg(x_1);
  lean_inc(x_18);
  x_19 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFn___lambda__3___boxed), 18, 12);
  lean_closure_set(x_19, 0, x_2);
  lean_closure_set(x_19, 1, x_3);
  lean_closure_set(x_19, 2, x_4);
  lean_closure_set(x_19, 3, x_5);
  lean_closure_set(x_19, 4, x_6);
  lean_closure_set(x_19, 5, x_12);
  lean_closure_set(x_19, 6, x_7);
  lean_closure_set(x_19, 7, x_8);
  lean_closure_set(x_19, 8, x_9);
  lean_closure_set(x_19, 9, x_10);
  lean_closure_set(x_19, 10, x_11);
  lean_closure_set(x_19, 11, x_18);
  x_20 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives___rarg(x_18, x_19, x_13, x_14, x_15, x_16, x_17);
  lean_dec(x_18);
  return x_20;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_13 = lean_ctor_get(x_1, 1);
  x_14 = l_List_tail_x21___rarg(x_13);
  x_15 = lean_ctor_get(x_2, 2);
  lean_inc(x_15);
  x_16 = lean_unsigned_to_nat(0u);
  lean_inc(x_15);
  lean_inc(x_6);
  x_17 = l_Array_toSubarray___rarg(x_6, x_16, x_15);
  x_18 = lean_ctor_get(x_2, 4);
  lean_inc(x_18);
  x_19 = lean_nat_add(x_15, x_18);
  lean_dec(x_18);
  lean_inc(x_6);
  x_20 = l_Array_toSubarray___rarg(x_6, x_15, x_19);
  x_21 = l_Lean_RecursorVal_getFirstMinorIdx(x_2);
  x_22 = lean_ctor_get(x_2, 5);
  lean_inc(x_22);
  x_23 = lean_nat_add(x_21, x_22);
  lean_inc(x_6);
  x_24 = l_Array_toSubarray___rarg(x_6, x_21, x_23);
  x_25 = l_Lean_RecursorVal_getFirstIndexIdx(x_2);
  x_26 = lean_ctor_get(x_2, 3);
  lean_inc(x_26);
  x_27 = lean_nat_add(x_25, x_26);
  lean_dec(x_26);
  lean_inc(x_6);
  x_28 = l_Array_toSubarray___rarg(x_6, x_25, x_27);
  x_29 = l_Lean_RecursorVal_getMajorIdx(x_2);
  lean_dec(x_2);
  x_30 = l_Lean_instInhabitedExpr;
  x_31 = lean_array_get(x_30, x_6, x_29);
  lean_dec(x_29);
  lean_dec(x_6);
  x_32 = l_Array_ofSubarray___rarg(x_17);
  lean_dec(x_17);
  x_33 = l_Lean_Literal_type___closed__3;
  lean_inc(x_32);
  x_34 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFn___lambda__4___boxed), 17, 11);
  lean_closure_set(x_34, 0, x_20);
  lean_closure_set(x_34, 1, x_14);
  lean_closure_set(x_34, 2, x_3);
  lean_closure_set(x_34, 3, x_32);
  lean_closure_set(x_34, 4, x_22);
  lean_closure_set(x_34, 5, x_24);
  lean_closure_set(x_34, 6, x_28);
  lean_closure_set(x_34, 7, x_31);
  lean_closure_set(x_34, 8, x_33);
  lean_closure_set(x_34, 9, x_4);
  lean_closure_set(x_34, 10, x_5);
  x_35 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg(x_32, x_34, x_8, x_9, x_10, x_11, x_12);
  return x_35;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFn___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("recName: ");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFn___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l_Lean_Meta_mkSizeOfFn___closed__1;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; uint8_t x_22; lean_object* x_23; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
  x_33 = lean_st_ref_get(x_6, x_7);
  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_34, 3);
  lean_inc(x_35);
  lean_dec(x_34);
  x_36 = lean_ctor_get_uint8(x_35, sizeof(void*)*1);
  lean_dec(x_35);
  if (x_36 == 0)
  {
  lean_object* x_37; uint8_t x_38; 
  x_37 = lean_ctor_get(x_33, 1);
  lean_inc(x_37);
  lean_dec(x_33);
  x_38 = 0;
  x_22 = x_38;
  x_23 = x_37;
  goto block_32;
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
  x_39 = lean_ctor_get(x_33, 1);
  lean_inc(x_39);
  lean_dec(x_33);
  x_40 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___spec__2(x_40, x_3, x_4, x_5, x_6, x_39);
  x_42 = lean_ctor_get(x_41, 0);
  lean_inc(x_42);
  x_43 = lean_ctor_get(x_41, 1);
  lean_inc(x_43);
  lean_dec(x_41);
  x_44 = lean_unbox(x_42);
  lean_dec(x_42);
  x_22 = x_44;
  x_23 = x_43;
  goto block_32;
  }
  block_21:
  {
  lean_object* x_9; 
  lean_inc(x_1);
  x_9 = l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1(x_1, x_3, x_4, x_5, x_6, x_8);
  if (lean_obj_tag(x_9) == 0)
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_9, 1);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = lean_ctor_get(x_10, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_12, 2);
  lean_inc(x_13);
  x_14 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_15 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFn___lambda__5___boxed), 12, 5);
  lean_closure_set(x_15, 0, x_12);
  lean_closure_set(x_15, 1, x_10);
  lean_closure_set(x_15, 2, x_1);
  lean_closure_set(x_15, 3, x_2);
  lean_closure_set(x_15, 4, x_14);
  x_16 = l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(x_13, x_15, x_3, x_4, x_5, x_6, x_11);
  return x_16;
  }
  else
  {
  uint8_t x_17; 
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_17 = !lean_is_exclusive(x_9);
  if (x_17 == 0)
  {
  return x_9;
  }
  else
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = lean_ctor_get(x_9, 0);
  x_19 = lean_ctor_get(x_9, 1);
  lean_inc(x_19);
  lean_inc(x_18);
  lean_dec(x_9);
  x_20 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_20, 0, x_18);
  lean_ctor_set(x_20, 1, x_19);
  return x_20;
  }
  }
  }
  block_32:
  {
  if (x_22 == 0)
  {
  x_8 = x_23;
  goto block_21;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  lean_inc(x_1);
  x_24 = lean_alloc_ctor(4, 1, 0);
  lean_ctor_set(x_24, 0, x_1);
  x_25 = l_Lean_Meta_mkSizeOfFn___closed__2;
  x_26 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_26, 0, x_25);
  lean_ctor_set(x_26, 1, x_24);
  x_27 = l_Lean_KernelException_toMessageData___closed__15;
  x_28 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  x_29 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_30 = l_Lean_addTrace___at_Lean_Meta_isLevelDefEqAux___spec__1(x_29, x_28, x_3, x_4, x_5, x_6, x_23);
  x_31 = lean_ctor_get(x_30, 1);
  lean_inc(x_31);
  lean_dec(x_30);
  x_8 = x_31;
  goto block_21;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFn___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwError___at_Lean_Meta_mkSizeOfFn___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwKernelException___at_Lean_Meta_mkSizeOfFn___spec__4(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_addDecl___at_Lean_Meta_mkSizeOfFn___spec__3(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_7;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
  _start:
  {
  lean_object* x_16; 
  x_16 = l_Lean_Meta_mkSizeOfFn___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_16;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__2___boxed(lean_object** _args) {
  lean_object* x_1 = _args[0];
  lean_object* x_2 = _args[1];
  lean_object* x_3 = _args[2];
  lean_object* x_4 = _args[3];
  lean_object* x_5 = _args[4];
  lean_object* x_6 = _args[5];
  lean_object* x_7 = _args[6];
  lean_object* x_8 = _args[7];
  lean_object* x_9 = _args[8];
  lean_object* x_10 = _args[9];
  lean_object* x_11 = _args[10];
  lean_object* x_12 = _args[11];
  lean_object* x_13 = _args[12];
  lean_object* x_14 = _args[13];
  lean_object* x_15 = _args[14];
  lean_object* x_16 = _args[15];
  lean_object* x_17 = _args[16];
  lean_object* x_18 = _args[17];
  _start:
  {
  lean_object* x_19; 
  x_19 = l_Lean_Meta_mkSizeOfFn___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
  lean_dec(x_13);
  lean_dec(x_1);
  return x_19;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__3___boxed(lean_object** _args) {
  lean_object* x_1 = _args[0];
  lean_object* x_2 = _args[1];
  lean_object* x_3 = _args[2];
  lean_object* x_4 = _args[3];
  lean_object* x_5 = _args[4];
  lean_object* x_6 = _args[5];
  lean_object* x_7 = _args[6];
  lean_object* x_8 = _args[7];
  lean_object* x_9 = _args[8];
  lean_object* x_10 = _args[9];
  lean_object* x_11 = _args[10];
  lean_object* x_12 = _args[11];
  lean_object* x_13 = _args[12];
  lean_object* x_14 = _args[13];
  lean_object* x_15 = _args[14];
  lean_object* x_16 = _args[15];
  lean_object* x_17 = _args[16];
  lean_object* x_18 = _args[17];
  _start:
  {
  lean_object* x_19; 
  x_19 = l_Lean_Meta_mkSizeOfFn___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
  lean_dec(x_13);
  return x_19;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__4___boxed(lean_object** _args) {
  lean_object* x_1 = _args[0];
  lean_object* x_2 = _args[1];
  lean_object* x_3 = _args[2];
  lean_object* x_4 = _args[3];
  lean_object* x_5 = _args[4];
  lean_object* x_6 = _args[5];
  lean_object* x_7 = _args[6];
  lean_object* x_8 = _args[7];
  lean_object* x_9 = _args[8];
  lean_object* x_10 = _args[9];
  lean_object* x_11 = _args[10];
  lean_object* x_12 = _args[11];
  lean_object* x_13 = _args[12];
  lean_object* x_14 = _args[13];
  lean_object* x_15 = _args[14];
  lean_object* x_16 = _args[15];
  lean_object* x_17 = _args[16];
  _start:
  {
  lean_object* x_18; 
  x_18 = l_Lean_Meta_mkSizeOfFn___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
  lean_dec(x_1);
  return x_18;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFn___lambda__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  lean_object* x_13; 
  x_13 = l_Lean_Meta_mkSizeOfFn___lambda__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_7);
  lean_dec(x_1);
  return x_13;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFns_match__1___rarg(lean_object* x_1, lean_object* x_2) {
  _start:
  {
  lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
  x_3 = lean_ctor_get(x_1, 1);
  lean_inc(x_3);
  x_4 = lean_ctor_get(x_1, 0);
  lean_inc(x_4);
  lean_dec(x_1);
  x_5 = lean_ctor_get(x_3, 0);
  lean_inc(x_5);
  x_6 = lean_ctor_get(x_3, 1);
  lean_inc(x_6);
  lean_dec(x_3);
  x_7 = lean_apply_3(x_2, x_4, x_5, x_6);
  return x_7;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFns_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfFns_match__1___rarg), 2, 0);
  return x_2;
  }
  }
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; uint8_t x_9; 
  x_7 = lean_ctor_get(x_4, 3);
  x_8 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  x_9 = !lean_is_exclusive(x_8);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_7);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_7);
  lean_ctor_set(x_11, 1, x_10);
  lean_ctor_set_tag(x_8, 1);
  lean_ctor_set(x_8, 0, x_11);
  return x_8;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_12 = lean_ctor_get(x_8, 0);
  x_13 = lean_ctor_get(x_8, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_8);
  lean_inc(x_7);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  x_15 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_15, 0, x_14);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  }
  }
  lean_object* l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  lean_inc(x_1);
  x_7 = l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  if (lean_obj_tag(x_7) == 0)
  {
  lean_object* x_8; 
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  if (lean_obj_tag(x_8) == 5)
  {
  uint8_t x_9; 
  lean_dec(x_1);
  x_9 = !lean_is_exclusive(x_7);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_7, 0);
  lean_dec(x_10);
  x_11 = lean_ctor_get(x_8, 0);
  lean_inc(x_11);
  lean_dec(x_8);
  lean_ctor_set(x_7, 0, x_11);
  return x_7;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_12 = lean_ctor_get(x_7, 1);
  lean_inc(x_12);
  lean_dec(x_7);
  x_13 = lean_ctor_get(x_8, 0);
  lean_inc(x_13);
  lean_dec(x_8);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_13);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  }
  else
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  lean_dec(x_8);
  x_15 = lean_ctor_get(x_7, 1);
  lean_inc(x_15);
  lean_dec(x_7);
  x_16 = lean_box(0);
  x_17 = l_Lean_mkConst(x_1, x_16);
  x_18 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_18, 0, x_17);
  x_19 = l_Lean_KernelException_toMessageData___closed__3;
  x_20 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_20, 0, x_19);
  lean_ctor_set(x_20, 1, x_18);
  x_21 = l_Lean_getConstInfoInduct___rarg___lambda__1___closed__2;
  x_22 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_22, 0, x_20);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2(x_22, x_2, x_3, x_4, x_5, x_15);
  return x_23;
  }
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_1);
  x_24 = !lean_is_exclusive(x_7);
  if (x_24 == 0)
  {
  return x_7;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_7, 0);
  x_26 = lean_ctor_get(x_7, 1);
  lean_inc(x_26);
  lean_inc(x_25);
  lean_dec(x_7);
  x_27 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_27, 0, x_25);
  lean_ctor_set(x_27, 1, x_26);
  return x_27;
  }
  }
  }
  }
  lean_object* l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3(lean_object* x_1) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_2; lean_object* x_3; lean_object* x_4; 
  x_2 = l_Lean_instInhabitedName;
  x_3 = l_List_head_x21___rarg___closed__3;
  x_4 = lean_panic_fn(x_2, x_3);
  return x_4;
  }
  else
  {
  lean_object* x_5; 
  x_5 = lean_ctor_get(x_1, 0);
  lean_inc(x_5);
  return x_5;
  }
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  if (lean_obj_tag(x_2) == 0)
  {
  lean_object* x_9; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_3);
  lean_ctor_set(x_9, 1, x_8);
  return x_9;
  }
  else
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_10 = lean_ctor_get(x_2, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_2, 1);
  lean_inc(x_11);
  lean_dec(x_2);
  x_12 = lean_ctor_get(x_3, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_3, 1);
  lean_inc(x_13);
  lean_dec(x_3);
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  lean_inc(x_12);
  lean_inc(x_1);
  x_16 = l_Lean_Name_appendIndexAfter(x_1, x_12);
  x_17 = l_Lean_Parser_Tactic_myMacro____x40_Init_Notation___hyg_19927____closed__3;
  x_18 = lean_name_mk_string(x_10, x_17);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_16);
  lean_inc(x_18);
  x_19 = l_Lean_Meta_mkSizeOfFn(x_18, x_16, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_20 = lean_ctor_get(x_19, 1);
  lean_inc(x_20);
  lean_dec(x_19);
  lean_inc(x_16);
  x_21 = l_Std_RBNode_insert___at_Lean_NameMap_insert___spec__1___rarg(x_14, x_18, x_16);
  x_22 = lean_array_push(x_15, x_16);
  x_23 = lean_unsigned_to_nat(1u);
  x_24 = lean_nat_add(x_12, x_23);
  lean_dec(x_12);
  x_25 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_25, 0, x_21);
  lean_ctor_set(x_25, 1, x_22);
  x_26 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_26, 0, x_24);
  lean_ctor_set(x_26, 1, x_25);
  x_2 = x_11;
  x_3 = x_26;
  x_8 = x_20;
  goto _start;
  }
  else
  {
  uint8_t x_28; 
  lean_dec(x_18);
  lean_dec(x_16);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_28 = !lean_is_exclusive(x_19);
  if (x_28 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_29 = lean_ctor_get(x_19, 0);
  x_30 = lean_ctor_get(x_19, 1);
  lean_inc(x_30);
  lean_inc(x_29);
  lean_dec(x_19);
  x_31 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_31, 0, x_29);
  lean_ctor_set(x_31, 1, x_30);
  return x_31;
  }
  }
  }
  }
  }
  lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  lean_object* x_12; uint8_t x_13; 
  x_12 = lean_ctor_get(x_3, 1);
  x_13 = lean_nat_dec_le(x_12, x_5);
  if (x_13 == 0)
  {
  lean_object* x_14; uint8_t x_15; 
  x_14 = lean_unsigned_to_nat(0u);
  x_15 = lean_nat_dec_eq(x_4, x_14);
  if (x_15 == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_16 = lean_unsigned_to_nat(1u);
  x_17 = lean_nat_sub(x_4, x_16);
  lean_dec(x_4);
  x_18 = lean_ctor_get(x_6, 0);
  lean_inc(x_18);
  x_19 = lean_ctor_get(x_6, 1);
  lean_inc(x_19);
  lean_dec(x_6);
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  x_21 = lean_ctor_get(x_19, 1);
  lean_inc(x_21);
  lean_dec(x_19);
  x_22 = l_Lean_Parser_Tactic_myMacro____x40_Init_Notation___hyg_19927____closed__3;
  lean_inc(x_1);
  x_23 = lean_name_mk_string(x_1, x_22);
  x_24 = lean_nat_add(x_5, x_16);
  x_25 = l_Lean_Name_appendIndexAfter(x_23, x_24);
  lean_inc(x_18);
  lean_inc(x_2);
  x_26 = l_Lean_Name_appendIndexAfter(x_2, x_18);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_26);
  lean_inc(x_25);
  x_27 = l_Lean_Meta_mkSizeOfFn(x_25, x_26, x_7, x_8, x_9, x_10, x_11);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_28 = lean_ctor_get(x_27, 1);
  lean_inc(x_28);
  lean_dec(x_27);
  lean_inc(x_26);
  x_29 = l_Std_RBNode_insert___at_Lean_NameMap_insert___spec__1___rarg(x_20, x_25, x_26);
  x_30 = lean_array_push(x_21, x_26);
  x_31 = lean_nat_add(x_18, x_16);
  lean_dec(x_18);
  x_32 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_32, 0, x_29);
  lean_ctor_set(x_32, 1, x_30);
  x_33 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  x_34 = lean_ctor_get(x_3, 2);
  x_35 = lean_nat_add(x_5, x_34);
  lean_dec(x_5);
  x_4 = x_17;
  x_5 = x_35;
  x_6 = x_33;
  x_11 = x_28;
  goto _start;
  }
  else
  {
  uint8_t x_37; 
  lean_dec(x_26);
  lean_dec(x_25);
  lean_dec(x_21);
  lean_dec(x_20);
  lean_dec(x_18);
  lean_dec(x_17);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_5);
  lean_dec(x_2);
  lean_dec(x_1);
  x_37 = !lean_is_exclusive(x_27);
  if (x_37 == 0)
  {
  return x_27;
  }
  else
  {
  lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  x_38 = lean_ctor_get(x_27, 0);
  x_39 = lean_ctor_get(x_27, 1);
  lean_inc(x_39);
  lean_inc(x_38);
  lean_dec(x_27);
  x_40 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_40, 0, x_38);
  lean_ctor_set(x_40, 1, x_39);
  return x_40;
  }
  }
  }
  else
  {
  lean_object* x_41; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_41 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_41, 0, x_6);
  lean_ctor_set(x_41, 1, x_11);
  return x_41;
  }
  }
  else
  {
  lean_object* x_42; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_2);
  lean_dec(x_1);
  x_42 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_42, 0, x_6);
  lean_ctor_set(x_42, 1, x_11);
  return x_42;
  }
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFns___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("_sizeOf");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFns___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_mkSizeOfFns___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFns___closed__3() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Array_empty___closed__1;
  x_3 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_3, 0, x_1);
  lean_ctor_set(x_3, 1, x_2);
  return x_3;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfFns___closed__4() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_unsigned_to_nat(1u);
  x_2 = l_Lean_Meta_mkSizeOfFns___closed__3;
  x_3 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_3, 0, x_1);
  lean_ctor_set(x_3, 1, x_2);
  return x_3;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfFns(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  lean_inc(x_1);
  x_7 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  if (lean_obj_tag(x_7) == 0)
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  x_9 = lean_ctor_get(x_7, 1);
  lean_inc(x_9);
  lean_dec(x_7);
  x_10 = l_Lean_Parser_Tactic_myMacro____x40_Init_Notation___hyg_19927____closed__3;
  x_11 = lean_name_mk_string(x_1, x_10);
  x_12 = l_Lean_getConstInfoRec___at_Lean_Meta_mkSizeOfFn___spec__1(x_11, x_2, x_3, x_4, x_5, x_9);
  if (lean_obj_tag(x_12) == 0)
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
  x_13 = lean_ctor_get(x_12, 0);
  lean_inc(x_13);
  x_14 = lean_ctor_get(x_12, 1);
  lean_inc(x_14);
  lean_dec(x_12);
  x_15 = lean_ctor_get(x_13, 4);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = lean_ctor_get(x_8, 3);
  lean_inc(x_16);
  lean_dec(x_8);
  x_17 = lean_unsigned_to_nat(0u);
  x_18 = l_List_lengthAux___rarg(x_16, x_17);
  x_19 = lean_nat_sub(x_15, x_18);
  lean_dec(x_18);
  lean_dec(x_15);
  x_20 = l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3(x_16);
  x_21 = l_Lean_Meta_mkSizeOfFns___closed__2;
  x_22 = l_Lean_Name_append(x_20, x_21);
  x_23 = l_Lean_Meta_mkSizeOfFns___closed__4;
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  lean_inc(x_22);
  x_24 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__4(x_22, x_16, x_23, x_2, x_3, x_4, x_5, x_14);
  if (lean_obj_tag(x_24) == 0)
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
  x_25 = lean_ctor_get(x_24, 0);
  lean_inc(x_25);
  x_26 = lean_ctor_get(x_25, 1);
  lean_inc(x_26);
  x_27 = lean_ctor_get(x_24, 1);
  lean_inc(x_27);
  lean_dec(x_24);
  x_28 = !lean_is_exclusive(x_25);
  if (x_28 == 0)
  {
  lean_object* x_29; uint8_t x_30; 
  x_29 = lean_ctor_get(x_25, 1);
  lean_dec(x_29);
  x_30 = !lean_is_exclusive(x_26);
  if (x_30 == 0)
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_unsigned_to_nat(1u);
  lean_inc(x_19);
  x_32 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_32, 0, x_17);
  lean_ctor_set(x_32, 1, x_19);
  lean_ctor_set(x_32, 2, x_31);
  x_33 = l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(x_20, x_22, x_32, x_19, x_17, x_25, x_2, x_3, x_4, x_5, x_27);
  lean_dec(x_32);
  if (lean_obj_tag(x_33) == 0)
  {
  lean_object* x_34; lean_object* x_35; uint8_t x_36; 
  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_34, 1);
  lean_inc(x_35);
  lean_dec(x_34);
  x_36 = !lean_is_exclusive(x_33);
  if (x_36 == 0)
  {
  lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  x_37 = lean_ctor_get(x_33, 0);
  lean_dec(x_37);
  x_38 = lean_ctor_get(x_35, 0);
  lean_inc(x_38);
  x_39 = lean_ctor_get(x_35, 1);
  lean_inc(x_39);
  lean_dec(x_35);
  x_40 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_40, 0, x_39);
  lean_ctor_set(x_40, 1, x_38);
  lean_ctor_set(x_33, 0, x_40);
  return x_33;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_41 = lean_ctor_get(x_33, 1);
  lean_inc(x_41);
  lean_dec(x_33);
  x_42 = lean_ctor_get(x_35, 0);
  lean_inc(x_42);
  x_43 = lean_ctor_get(x_35, 1);
  lean_inc(x_43);
  lean_dec(x_35);
  x_44 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_44, 0, x_43);
  lean_ctor_set(x_44, 1, x_42);
  x_45 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_45, 0, x_44);
  lean_ctor_set(x_45, 1, x_41);
  return x_45;
  }
  }
  else
  {
  uint8_t x_46; 
  x_46 = !lean_is_exclusive(x_33);
  if (x_46 == 0)
  {
  return x_33;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  x_47 = lean_ctor_get(x_33, 0);
  x_48 = lean_ctor_get(x_33, 1);
  lean_inc(x_48);
  lean_inc(x_47);
  lean_dec(x_33);
  x_49 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_49, 0, x_47);
  lean_ctor_set(x_49, 1, x_48);
  return x_49;
  }
  }
  }
  else
  {
  lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  x_50 = lean_ctor_get(x_26, 0);
  x_51 = lean_ctor_get(x_26, 1);
  lean_inc(x_51);
  lean_inc(x_50);
  lean_dec(x_26);
  x_52 = lean_unsigned_to_nat(1u);
  lean_inc(x_19);
  x_53 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_53, 0, x_17);
  lean_ctor_set(x_53, 1, x_19);
  lean_ctor_set(x_53, 2, x_52);
  x_54 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_54, 0, x_50);
  lean_ctor_set(x_54, 1, x_51);
  lean_ctor_set(x_25, 1, x_54);
  x_55 = l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(x_20, x_22, x_53, x_19, x_17, x_25, x_2, x_3, x_4, x_5, x_27);
  lean_dec(x_53);
  if (lean_obj_tag(x_55) == 0)
  {
  lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
  x_56 = lean_ctor_get(x_55, 0);
  lean_inc(x_56);
  x_57 = lean_ctor_get(x_56, 1);
  lean_inc(x_57);
  lean_dec(x_56);
  x_58 = lean_ctor_get(x_55, 1);
  lean_inc(x_58);
  if (lean_is_exclusive(x_55)) {
   lean_ctor_release(x_55, 0);
   lean_ctor_release(x_55, 1);
   x_59 = x_55;
  } else {
   lean_dec_ref(x_55);
   x_59 = lean_box(0);
  }
  x_60 = lean_ctor_get(x_57, 0);
  lean_inc(x_60);
  x_61 = lean_ctor_get(x_57, 1);
  lean_inc(x_61);
  lean_dec(x_57);
  x_62 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_62, 0, x_61);
  lean_ctor_set(x_62, 1, x_60);
  if (lean_is_scalar(x_59)) {
   x_63 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_63 = x_59;
  }
  lean_ctor_set(x_63, 0, x_62);
  lean_ctor_set(x_63, 1, x_58);
  return x_63;
  }
  else
  {
  lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
  x_64 = lean_ctor_get(x_55, 0);
  lean_inc(x_64);
  x_65 = lean_ctor_get(x_55, 1);
  lean_inc(x_65);
  if (lean_is_exclusive(x_55)) {
   lean_ctor_release(x_55, 0);
   lean_ctor_release(x_55, 1);
   x_66 = x_55;
  } else {
   lean_dec_ref(x_55);
   x_66 = lean_box(0);
  }
  if (lean_is_scalar(x_66)) {
   x_67 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_67 = x_66;
  }
  lean_ctor_set(x_67, 0, x_64);
  lean_ctor_set(x_67, 1, x_65);
  return x_67;
  }
  }
  }
  else
  {
  lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
  x_68 = lean_ctor_get(x_25, 0);
  lean_inc(x_68);
  lean_dec(x_25);
  x_69 = lean_ctor_get(x_26, 0);
  lean_inc(x_69);
  x_70 = lean_ctor_get(x_26, 1);
  lean_inc(x_70);
  if (lean_is_exclusive(x_26)) {
   lean_ctor_release(x_26, 0);
   lean_ctor_release(x_26, 1);
   x_71 = x_26;
  } else {
   lean_dec_ref(x_26);
   x_71 = lean_box(0);
  }
  x_72 = lean_unsigned_to_nat(1u);
  lean_inc(x_19);
  x_73 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_73, 0, x_17);
  lean_ctor_set(x_73, 1, x_19);
  lean_ctor_set(x_73, 2, x_72);
  if (lean_is_scalar(x_71)) {
   x_74 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_74 = x_71;
  }
  lean_ctor_set(x_74, 0, x_69);
  lean_ctor_set(x_74, 1, x_70);
  x_75 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_75, 0, x_68);
  lean_ctor_set(x_75, 1, x_74);
  x_76 = l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(x_20, x_22, x_73, x_19, x_17, x_75, x_2, x_3, x_4, x_5, x_27);
  lean_dec(x_73);
  if (lean_obj_tag(x_76) == 0)
  {
  lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
  x_77 = lean_ctor_get(x_76, 0);
  lean_inc(x_77);
  x_78 = lean_ctor_get(x_77, 1);
  lean_inc(x_78);
  lean_dec(x_77);
  x_79 = lean_ctor_get(x_76, 1);
  lean_inc(x_79);
  if (lean_is_exclusive(x_76)) {
   lean_ctor_release(x_76, 0);
   lean_ctor_release(x_76, 1);
   x_80 = x_76;
  } else {
   lean_dec_ref(x_76);
   x_80 = lean_box(0);
  }
  x_81 = lean_ctor_get(x_78, 0);
  lean_inc(x_81);
  x_82 = lean_ctor_get(x_78, 1);
  lean_inc(x_82);
  lean_dec(x_78);
  x_83 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_83, 0, x_82);
  lean_ctor_set(x_83, 1, x_81);
  if (lean_is_scalar(x_80)) {
   x_84 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_84 = x_80;
  }
  lean_ctor_set(x_84, 0, x_83);
  lean_ctor_set(x_84, 1, x_79);
  return x_84;
  }
  else
  {
  lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
  x_85 = lean_ctor_get(x_76, 0);
  lean_inc(x_85);
  x_86 = lean_ctor_get(x_76, 1);
  lean_inc(x_86);
  if (lean_is_exclusive(x_76)) {
   lean_ctor_release(x_76, 0);
   lean_ctor_release(x_76, 1);
   x_87 = x_76;
  } else {
   lean_dec_ref(x_76);
   x_87 = lean_box(0);
  }
  if (lean_is_scalar(x_87)) {
   x_88 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_88 = x_87;
  }
  lean_ctor_set(x_88, 0, x_85);
  lean_ctor_set(x_88, 1, x_86);
  return x_88;
  }
  }
  }
  else
  {
  uint8_t x_89; 
  lean_dec(x_22);
  lean_dec(x_20);
  lean_dec(x_19);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_89 = !lean_is_exclusive(x_24);
  if (x_89 == 0)
  {
  return x_24;
  }
  else
  {
  lean_object* x_90; lean_object* x_91; lean_object* x_92; 
  x_90 = lean_ctor_get(x_24, 0);
  x_91 = lean_ctor_get(x_24, 1);
  lean_inc(x_91);
  lean_inc(x_90);
  lean_dec(x_24);
  x_92 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_92, 0, x_90);
  lean_ctor_set(x_92, 1, x_91);
  return x_92;
  }
  }
  }
  else
  {
  uint8_t x_93; 
  lean_dec(x_8);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_93 = !lean_is_exclusive(x_12);
  if (x_93 == 0)
  {
  return x_12;
  }
  else
  {
  lean_object* x_94; lean_object* x_95; lean_object* x_96; 
  x_94 = lean_ctor_get(x_12, 0);
  x_95 = lean_ctor_get(x_12, 1);
  lean_inc(x_95);
  lean_inc(x_94);
  lean_dec(x_12);
  x_96 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_96, 0, x_94);
  lean_ctor_set(x_96, 1, x_95);
  return x_96;
  }
  }
  }
  else
  {
  uint8_t x_97; 
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_97 = !lean_is_exclusive(x_7);
  if (x_97 == 0)
  {
  return x_7;
  }
  else
  {
  lean_object* x_98; lean_object* x_99; lean_object* x_100; 
  x_98 = lean_ctor_get(x_7, 0);
  x_99 = lean_ctor_get(x_7, 1);
  lean_inc(x_99);
  lean_inc(x_98);
  lean_dec(x_7);
  x_100 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_100, 0, x_98);
  lean_ctor_set(x_100, 1, x_99);
  return x_100;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwError___at_Lean_Meta_mkSizeOfFns___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3___boxed(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = l_List_head_x21___at_Lean_Meta_mkSizeOfFns___spec__3(x_1);
  lean_dec(x_1);
  return x_2;
  }
  }
  lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  lean_object* x_12; 
  x_12 = l_Std_Range_forIn_loop___at_Lean_Meta_mkSizeOfFns___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
  lean_dec(x_3);
  return x_12;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfSpecLemmaName___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("sizeOf_spec");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfSpecLemmaName___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_mkSizeOfSpecLemmaName___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; lean_object* x_3; 
  x_2 = l_Lean_Meta_mkSizeOfSpecLemmaName___closed__2;
  x_3 = l_Lean_Name_append(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaName___boxed(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = l_Lean_Meta_mkSizeOfSpecLemmaName(x_1);
  lean_dec(x_1);
  return x_2;
  }
  }
  lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_mkSizeOfSpecLemmaInstance___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
  _start:
  {
  uint8_t x_4; 
  x_4 = x_2 < x_1;
  if (x_4 == 0)
  {
  lean_object* x_5; 
  x_5 = x_3;
  return x_5;
  }
  else
  {
  lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; 
  x_6 = lean_array_uget(x_3, x_2);
  x_7 = lean_unsigned_to_nat(0u);
  x_8 = lean_array_uset(x_3, x_2, x_7);
  x_9 = x_6;
  x_10 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_10, 0, x_9);
  x_11 = 1;
  x_12 = x_2 + x_11;
  x_13 = x_10;
  x_14 = lean_array_uset(x_8, x_2, x_13);
  x_2 = x_12;
  x_3 = x_14;
  goto _start;
  }
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; 
  x_8 = lean_array_get_size(x_1);
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_8);
  lean_ctor_set(x_9, 1, x_7);
  return x_9;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("failed to apply 'sizeOf' spec, constructor expected");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__1;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  static lean_object* _init_l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__3() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfSpecLemmaInstance___lambda__1___boxed), 7, 0);
  return x_1;
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfSpecLemmaInstance(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_Expr_getAppFn(x_1);
  if (lean_obj_tag(x_7) == 4)
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  lean_dec(x_7);
  x_9 = lean_st_ref_get(x_5, x_6);
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_9, 1);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = lean_ctor_get(x_10, 0);
  lean_inc(x_12);
  lean_dec(x_10);
  x_13 = lean_environment_find(x_12, x_8);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_14 = l_Lean_indentExpr(x_1);
  x_15 = l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__2;
  x_16 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_16, 0, x_15);
  lean_ctor_set(x_16, 1, x_14);
  x_17 = l_Lean_KernelException_toMessageData___closed__15;
  x_18 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_18, 0, x_16);
  lean_ctor_set(x_18, 1, x_17);
  x_19 = l_Lean_throwError___at_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1313____spec__1(x_18, x_2, x_3, x_4, x_5, x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_19;
  }
  else
  {
  lean_object* x_20; 
  x_20 = lean_ctor_get(x_13, 0);
  lean_inc(x_20);
  lean_dec(x_13);
  if (lean_obj_tag(x_20) == 6)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_21 = lean_ctor_get(x_20, 0);
  lean_inc(x_21);
  lean_dec(x_20);
  x_22 = lean_unsigned_to_nat(0u);
  x_23 = l_Lean_Expr_getAppNumArgsAux(x_1, x_22);
  x_24 = l_Lean_Expr_getAppArgs___closed__1;
  lean_inc(x_23);
  x_25 = lean_mk_array(x_23, x_24);
  x_26 = lean_unsigned_to_nat(1u);
  x_27 = lean_nat_sub(x_23, x_26);
  lean_dec(x_23);
  x_28 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_25, x_27);
  x_29 = lean_array_get_size(x_28);
  x_30 = lean_ctor_get(x_21, 4);
  lean_inc(x_30);
  x_31 = lean_nat_sub(x_29, x_30);
  lean_dec(x_29);
  x_32 = lean_array_get_size(x_28);
  x_33 = l_Array_toSubarray___rarg(x_28, x_31, x_32);
  x_34 = lean_ctor_get(x_21, 0);
  lean_inc(x_34);
  lean_dec(x_21);
  x_35 = lean_ctor_get(x_34, 0);
  lean_inc(x_35);
  lean_dec(x_34);
  x_36 = l_Lean_Meta_mkSizeOfSpecLemmaName(x_35);
  lean_dec(x_35);
  lean_inc(x_36);
  x_37 = l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(x_36, x_2, x_3, x_4, x_5, x_11);
  if (lean_obj_tag(x_37) == 0)
  {
  lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  x_38 = lean_ctor_get(x_37, 0);
  lean_inc(x_38);
  x_39 = lean_ctor_get(x_37, 1);
  lean_inc(x_39);
  lean_dec(x_37);
  x_40 = l_Lean_ConstantInfo_type(x_38);
  lean_dec(x_38);
  x_41 = l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__3;
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  x_42 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(x_40, x_41, x_2, x_3, x_4, x_5, x_39);
  if (lean_obj_tag(x_42) == 0)
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; size_t x_50; size_t x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
  x_43 = lean_ctor_get(x_42, 0);
  lean_inc(x_43);
  x_44 = lean_ctor_get(x_42, 1);
  lean_inc(x_44);
  lean_dec(x_42);
  x_45 = lean_nat_sub(x_43, x_30);
  lean_dec(x_30);
  lean_dec(x_43);
  x_46 = lean_box(0);
  x_47 = lean_mk_array(x_45, x_46);
  x_48 = l_Array_ofSubarray___rarg(x_33);
  lean_dec(x_33);
  x_49 = lean_array_get_size(x_48);
  x_50 = lean_usize_of_nat(x_49);
  lean_dec(x_49);
  x_51 = 0;
  x_52 = x_48;
  x_53 = l_Array_mapMUnsafe_map___at_Lean_Meta_mkSizeOfSpecLemmaInstance___spec__1(x_50, x_51, x_52);
  x_54 = x_53;
  x_55 = l_Array_append___rarg(x_47, x_54);
  lean_dec(x_54);
  x_56 = l_Lean_Meta_mkAppOptM(x_36, x_55, x_2, x_3, x_4, x_5, x_44);
  return x_56;
  }
  else
  {
  uint8_t x_57; 
  lean_dec(x_36);
  lean_dec(x_33);
  lean_dec(x_30);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_57 = !lean_is_exclusive(x_42);
  if (x_57 == 0)
  {
  return x_42;
  }
  else
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; 
  x_58 = lean_ctor_get(x_42, 0);
  x_59 = lean_ctor_get(x_42, 1);
  lean_inc(x_59);
  lean_inc(x_58);
  lean_dec(x_42);
  x_60 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_60, 0, x_58);
  lean_ctor_set(x_60, 1, x_59);
  return x_60;
  }
  }
  }
  else
  {
  uint8_t x_61; 
  lean_dec(x_36);
  lean_dec(x_33);
  lean_dec(x_30);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_61 = !lean_is_exclusive(x_37);
  if (x_61 == 0)
  {
  return x_37;
  }
  else
  {
  lean_object* x_62; lean_object* x_63; lean_object* x_64; 
  x_62 = lean_ctor_get(x_37, 0);
  x_63 = lean_ctor_get(x_37, 1);
  lean_inc(x_63);
  lean_inc(x_62);
  lean_dec(x_37);
  x_64 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_64, 0, x_62);
  lean_ctor_set(x_64, 1, x_63);
  return x_64;
  }
  }
  }
  else
  {
  lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
  lean_dec(x_20);
  x_65 = l_Lean_indentExpr(x_1);
  x_66 = l_Lean_Meta_mkSizeOfSpecLemmaInstance___closed__2;
  x_67 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_67, 0, x_66);
  lean_ctor_set(x_67, 1, x_65);
  x_68 = l_Lean_KernelException_toMessageData___closed__15;
  x_69 = lean_alloc_ctor(10, 2, 0);
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  lean_dec(x_4);
  lean_dec(x_3);
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  _start:
  {
  size_t x_4; size_t x_5; lean_object* x_6; 
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  lean_dec(x_5);
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  lean_free_object(x_11);
  lean_dec(x_10);
  lean_dec(x_1);
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  lean_dec(x_2);
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  }
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  }
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  lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
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  lean_object* x_61; 
  lean_dec(x_10);
  lean_dec(x_1);
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  lean_dec(x_2);
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  }
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  lean_object* x_62; 
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  x_63 = lean_ctor_get(x_62, 0);
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  x_67 = l_Std_RBNode_find___at___private_Lean_Hygiene_0__Lean_sanitizeSyntaxAux___spec__2(x_64, x_66);
  lean_dec(x_66);
  lean_dec(x_64);
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  x_68 = l_Lean_indentExpr(x_1);
  x_69 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf___closed__2;
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  x_71 = l_Lean_KernelException_toMessageData___closed__15;
  x_72 = lean_alloc_ctor(10, 2, 0);
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  lean_dec(x_2);
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  x_74 = lean_ctor_get(x_67, 0);
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  x_76 = l_Lean_Expr_getAppNumArgsAux(x_1, x_75);
  x_77 = l_Lean_Expr_getAppArgs___closed__1;
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  x_79 = lean_unsigned_to_nat(1u);
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  x_81 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_78, x_80);
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  x_86 = l_Lean_RecursorVal_getMajorIdx(x_63);
  lean_dec(x_63);
  x_87 = l_Lean_instInhabitedExpr;
  x_88 = lean_array_get(x_87, x_81, x_86);
  lean_dec(x_86);
  lean_dec(x_81);
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  lean_dec(x_62);
  lean_dec(x_10);
  lean_dec(x_1);
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  lean_dec(x_2);
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  }
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  {
  lean_object* x_102; 
  lean_dec(x_8);
  lean_dec(x_1);
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  lean_dec(x_2);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
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  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_8;
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
  _start:
  {
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  {
  lean_object* x_5; 
  lean_dec(x_3);
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  {
  lean_object* x_6; 
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  {
  lean_object* x_7; 
  lean_dec(x_6);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof_match__1___rarg), 4, 0);
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  _start:
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  {
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  lean_inc(x_10);
  lean_dec(x_7);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__1(lean_object* x_1) {
  _start:
  {
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
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  {
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  lean_inc(x_8);
  lean_dec(x_6);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__2(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_match__2___rarg), 3, 0);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
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  {
  lean_object* x_8; 
  lean_dec(x_2);
  x_8 = lean_apply_1(x_3, x_1);
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma_match__1___rarg), 3, 0);
  return x_2;
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  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
  {
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  {
  lean_object* x_16; 
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_4);
  lean_dec(x_2);
  x_16 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_16, 0, x_8);
  lean_ctor_set(x_16, 1, x_14);
  return x_16;
  }
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  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
  lean_dec(x_8);
  x_17 = lean_array_uget(x_5, x_7);
  lean_inc(x_2);
  x_18 = l_Lean_mkConst(x_17, x_2);
  x_19 = l_Array_ofSubarray___rarg(x_1);
  x_20 = l_Lean_mkAppN(x_18, x_19);
  lean_dec(x_19);
  x_21 = l_Lean_mkAppN(x_20, x_3);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_21);
  x_22 = l_Lean_Meta_isTypeCorrect(x_21, x_10, x_11, x_12, x_13, x_14);
  x_23 = lean_ctor_get(x_22, 0);
  lean_inc(x_23);
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  {
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  lean_dec(x_21);
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  lean_inc(x_25);
  lean_dec(x_22);
  x_26 = 1;
  x_27 = x_7 + x_26;
  lean_inc(x_4);
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  lean_object* _tmp_7 = x_4;
  lean_object* _tmp_13 = x_25;
  x_7 = _tmp_6;
  x_8 = _tmp_7;
  x_14 = _tmp_13;
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  goto _start;
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  {
  uint8_t x_29; 
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_4);
  lean_dec(x_2);
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  {
  lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_30 = lean_ctor_get(x_22, 0);
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  x_32 = lean_box(0);
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  lean_ctor_set(x_33, 1, x_32);
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  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
  x_34 = lean_ctor_get(x_22, 1);
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  lean_ctor_set(x_35, 0, x_21);
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  x_37 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_37, 0, x_35);
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  x_38 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_38, 0, x_37);
  lean_ctor_set(x_38, 1, x_34);
  return x_38;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_2, x_3, x_4, x_5, x_6, x_7);
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  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1___boxed), 7, 0);
  return x_1;
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
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  x_10 = lean_ctor_get(x_4, 1);
  lean_inc(x_10);
  x_11 = lean_array_get_size(x_10);
  x_12 = lean_usize_of_nat(x_11);
  lean_dec(x_11);
  x_13 = 0;
  x_14 = l_Array_findSomeM_x3f___rarg___closed__1;
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1(x_1, x_2, x_3, x_14, x_10, x_12, x_13, x_14, x_4, x_5, x_6, x_7, x_8, x_9);
  lean_dec(x_10);
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  x_17 = lean_ctor_get(x_16, 0);
  lean_inc(x_17);
  lean_dec(x_16);
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  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_18 = lean_ctor_get(x_15, 1);
  lean_inc(x_18);
  lean_dec(x_15);
  x_19 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___closed__1;
  x_20 = lean_box(0);
  x_21 = lean_apply_7(x_19, x_20, x_4, x_5, x_6, x_7, x_8, x_18);
  return x_21;
  }
  else
  {
  uint8_t x_22; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_22 = !lean_is_exclusive(x_15);
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  {
  lean_object* x_23; lean_object* x_24; 
  x_23 = lean_ctor_get(x_15, 0);
  lean_dec(x_23);
  x_24 = lean_ctor_get(x_17, 0);
  lean_inc(x_24);
  lean_dec(x_17);
  lean_ctor_set(x_15, 0, x_24);
  return x_15;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_15, 1);
  lean_inc(x_25);
  lean_dec(x_15);
  x_26 = lean_ctor_get(x_17, 0);
  lean_inc(x_26);
  lean_dec(x_17);
  x_27 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_27, 0, x_26);
  lean_ctor_set(x_27, 1, x_25);
  return x_27;
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
  {
  size_t x_15; size_t x_16; lean_object* x_17; 
  x_15 = lean_unbox_usize(x_6);
  lean_dec(x_6);
  x_16 = lean_unbox_usize(x_7);
  lean_dec(x_7);
  x_17 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___spec__1(x_1, x_2, x_3, x_4, x_5, x_15, x_16, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
  lean_dec(x_9);
  lean_dec(x_5);
  lean_dec(x_3);
  lean_dec(x_1);
  return x_17;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  x_8 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_8;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
  lean_dec(x_3);
  lean_dec(x_1);
  return x_10;
  }
  }
  lean_object* l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
  x_9 = lean_ctor_get(x_6, 3);
  x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_4, x_5, x_6, x_7, x_8);
  x_11 = lean_ctor_get(x_10, 0);
  lean_inc(x_11);
  x_12 = lean_ctor_get(x_10, 1);
  lean_inc(x_12);
  lean_dec(x_10);
  x_13 = lean_st_ref_take(x_7, x_12);
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_14, 3);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_13, 1);
  lean_inc(x_16);
  lean_dec(x_13);
  x_17 = !lean_is_exclusive(x_14);
  if (x_17 == 0)
  {
  lean_object* x_18; uint8_t x_19; 
  x_18 = lean_ctor_get(x_14, 3);
  lean_dec(x_18);
  x_19 = !lean_is_exclusive(x_15);
  if (x_19 == 0)
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
  x_20 = lean_ctor_get(x_15, 0);
  x_21 = lean_alloc_ctor(11, 2, 0);
  lean_ctor_set(x_21, 0, x_1);
  lean_ctor_set(x_21, 1, x_11);
  lean_inc(x_9);
  x_22 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_22, 0, x_9);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = l_Std_PersistentArray_push___rarg(x_20, x_22);
  lean_ctor_set(x_15, 0, x_23);
  x_24 = lean_st_ref_set(x_7, x_14, x_16);
  x_25 = !lean_is_exclusive(x_24);
  if (x_25 == 0)
  {
  lean_object* x_26; lean_object* x_27; 
  x_26 = lean_ctor_get(x_24, 0);
  lean_dec(x_26);
  x_27 = lean_box(0);
  lean_ctor_set(x_24, 0, x_27);
  return x_24;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_24, 1);
  lean_inc(x_28);
  lean_dec(x_24);
  x_29 = lean_box(0);
  x_30 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_30, 0, x_29);
  lean_ctor_set(x_30, 1, x_28);
  return x_30;
  }
  }
  else
  {
  uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
  x_31 = lean_ctor_get_uint8(x_15, sizeof(void*)*1);
  x_32 = lean_ctor_get(x_15, 0);
  lean_inc(x_32);
  lean_dec(x_15);
  x_33 = lean_alloc_ctor(11, 2, 0);
  lean_ctor_set(x_33, 0, x_1);
  lean_ctor_set(x_33, 1, x_11);
  lean_inc(x_9);
  x_34 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_34, 0, x_9);
  lean_ctor_set(x_34, 1, x_33);
  x_35 = l_Std_PersistentArray_push___rarg(x_32, x_34);
  x_36 = lean_alloc_ctor(0, 1, 1);
  lean_ctor_set(x_36, 0, x_35);
  lean_ctor_set_uint8(x_36, sizeof(void*)*1, x_31);
  lean_ctor_set(x_14, 3, x_36);
  x_37 = lean_st_ref_set(x_7, x_14, x_16);
  x_38 = lean_ctor_get(x_37, 1);
  lean_inc(x_38);
  if (lean_is_exclusive(x_37)) {
   lean_ctor_release(x_37, 0);
   lean_ctor_release(x_37, 1);
   x_39 = x_37;
  } else {
   lean_dec_ref(x_37);
   x_39 = lean_box(0);
  }
  x_40 = lean_box(0);
  if (lean_is_scalar(x_39)) {
   x_41 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_41 = x_39;
  }
  lean_ctor_set(x_41, 0, x_40);
  lean_ctor_set(x_41, 1, x_38);
  return x_41;
  }
  }
  else
  {
  lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
  x_42 = lean_ctor_get(x_14, 0);
  x_43 = lean_ctor_get(x_14, 1);
  x_44 = lean_ctor_get(x_14, 2);
  lean_inc(x_44);
  lean_inc(x_43);
  lean_inc(x_42);
  lean_dec(x_14);
  x_45 = lean_ctor_get_uint8(x_15, sizeof(void*)*1);
  x_46 = lean_ctor_get(x_15, 0);
  lean_inc(x_46);
  if (lean_is_exclusive(x_15)) {
   lean_ctor_release(x_15, 0);
   x_47 = x_15;
  } else {
   lean_dec_ref(x_15);
   x_47 = lean_box(0);
  }
  x_48 = lean_alloc_ctor(11, 2, 0);
  lean_ctor_set(x_48, 0, x_1);
  lean_ctor_set(x_48, 1, x_11);
  lean_inc(x_9);
  x_49 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_49, 0, x_9);
  lean_ctor_set(x_49, 1, x_48);
  x_50 = l_Std_PersistentArray_push___rarg(x_46, x_49);
  if (lean_is_scalar(x_47)) {
   x_51 = lean_alloc_ctor(0, 1, 1);
  } else {
   x_51 = x_47;
  }
  lean_ctor_set(x_51, 0, x_50);
  lean_ctor_set_uint8(x_51, sizeof(void*)*1, x_45);
  x_52 = lean_alloc_ctor(0, 4, 0);
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  lean_ctor_set(x_52, 1, x_43);
  lean_ctor_set(x_52, 2, x_44);
  lean_ctor_set(x_52, 3, x_51);
  x_53 = lean_st_ref_set(x_7, x_52, x_16);
  x_54 = lean_ctor_get(x_53, 1);
  lean_inc(x_54);
  if (lean_is_exclusive(x_53)) {
   lean_ctor_release(x_53, 0);
   lean_ctor_release(x_53, 1);
   x_55 = x_53;
  } else {
   lean_dec_ref(x_53);
   x_55 = lean_box(0);
  }
  x_56 = lean_box(0);
  if (lean_is_scalar(x_55)) {
   x_57 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_57 = x_55;
  }
  lean_ctor_set(x_57, 0, x_56);
  lean_ctor_set(x_57, 1, x_54);
  return x_57;
  }
  }
  }
  lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; uint8_t x_9; lean_object* x_10; lean_object* x_11; 
  x_8 = lean_ctor_get(x_5, 0);
  x_9 = l_Lean_checkTraceOption(x_8, x_1);
  x_10 = lean_box(x_9);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_10);
  lean_ctor_set(x_11, 1, x_7);
  return x_11;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("expected 'Nat.add' application, lhs is ");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__1;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__3() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("\nrhs is");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__3;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__5() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isOffset___closed__5;
  x_3 = l_Lean_mkConst(x_2, x_1);
  return x_3;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__6() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("minor");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__7() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_2 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__6;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; uint8_t x_87; lean_object* x_88; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
  x_101 = lean_st_ref_get(x_8, x_9);
  x_102 = lean_ctor_get(x_101, 0);
  lean_inc(x_102);
  x_103 = lean_ctor_get(x_102, 3);
  lean_inc(x_103);
  lean_dec(x_102);
  x_104 = lean_ctor_get_uint8(x_103, sizeof(void*)*1);
  lean_dec(x_103);
  if (x_104 == 0)
  {
  lean_object* x_105; uint8_t x_106; 
  x_105 = lean_ctor_get(x_101, 1);
  lean_inc(x_105);
  lean_dec(x_101);
  x_106 = 0;
  x_87 = x_106;
  x_88 = x_105;
  goto block_100;
  }
  else
  {
  lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
  x_107 = lean_ctor_get(x_101, 1);
  lean_inc(x_107);
  lean_dec(x_101);
  x_108 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__7;
  x_109 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(x_108, x_4, x_5, x_6, x_7, x_8, x_107);
  x_110 = lean_ctor_get(x_109, 0);
  lean_inc(x_110);
  x_111 = lean_ctor_get(x_109, 1);
  lean_inc(x_111);
  lean_dec(x_109);
  x_112 = lean_unbox(x_110);
  lean_dec(x_110);
  x_87 = x_112;
  x_88 = x_111;
  goto block_100;
  }
  block_86:
  {
  lean_object* x_11; 
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_3);
  lean_inc(x_2);
  x_11 = l_Lean_Meta_isExprDefEq(x_2, x_3, x_5, x_6, x_7, x_8, x_10);
  if (lean_obj_tag(x_11) == 0)
  {
  lean_object* x_12; uint8_t x_13; 
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  x_13 = lean_unbox(x_12);
  lean_dec(x_12);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_ctor_get(x_11, 1);
  lean_inc(x_14);
  lean_dec(x_11);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_2);
  x_15 = l_Lean_Meta_whnfI(x_2, x_5, x_6, x_7, x_8, x_14);
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  x_17 = lean_ctor_get(x_15, 1);
  lean_inc(x_17);
  lean_dec(x_15);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_3);
  x_18 = l_Lean_Meta_whnfI(x_3, x_5, x_6, x_7, x_8, x_17);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = l_Lean_Expr_natAdd_x3f(x_16);
  lean_dec(x_16);
  if (lean_obj_tag(x_21) == 0)
  {
  lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  lean_dec(x_19);
  x_22 = l_Lean_indentExpr(x_2);
  x_23 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2;
  x_24 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_24, 0, x_23);
  lean_ctor_set(x_24, 1, x_22);
  x_25 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4;
  x_26 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_26, 0, x_24);
  lean_ctor_set(x_26, 1, x_25);
  x_27 = l_Lean_indentExpr(x_3);
  x_28 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  x_29 = l_Lean_KernelException_toMessageData___closed__15;
  x_30 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  x_31 = l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg(x_30, x_4, x_5, x_6, x_7, x_8, x_20);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  return x_31;
  }
  else
  {
  lean_object* x_32; lean_object* x_33; 
  x_32 = lean_ctor_get(x_21, 0);
  lean_inc(x_32);
  lean_dec(x_21);
  x_33 = l_Lean_Expr_natAdd_x3f(x_19);
  lean_dec(x_19);
  if (lean_obj_tag(x_33) == 0)
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
  lean_dec(x_32);
  x_34 = l_Lean_indentExpr(x_2);
  x_35 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2;
  x_36 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_36, 0, x_35);
  lean_ctor_set(x_36, 1, x_34);
  x_37 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4;
  x_38 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_38, 0, x_36);
  lean_ctor_set(x_38, 1, x_37);
  x_39 = l_Lean_indentExpr(x_3);
  x_40 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_40, 0, x_38);
  lean_ctor_set(x_40, 1, x_39);
  x_41 = l_Lean_KernelException_toMessageData___closed__15;
  x_42 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_42, 0, x_40);
  lean_ctor_set(x_42, 1, x_41);
  x_43 = l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg(x_42, x_4, x_5, x_6, x_7, x_8, x_20);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  return x_43;
  }
  else
  {
  lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  lean_dec(x_3);
  lean_dec(x_2);
  x_44 = lean_ctor_get(x_33, 0);
  lean_inc(x_44);
  lean_dec(x_33);
  x_45 = lean_ctor_get(x_32, 0);
  lean_inc(x_45);
  x_46 = lean_ctor_get(x_32, 1);
  lean_inc(x_46);
  lean_dec(x_32);
  x_47 = lean_ctor_get(x_44, 0);
  lean_inc(x_47);
  x_48 = lean_ctor_get(x_44, 1);
  lean_inc(x_48);
  lean_dec(x_44);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_49 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof(x_1, x_45, x_47, x_4, x_5, x_6, x_7, x_8, x_20);
  if (lean_obj_tag(x_49) == 0)
  {
  lean_object* x_50; lean_object* x_51; lean_object* x_52; 
  x_50 = lean_ctor_get(x_49, 0);
  lean_inc(x_50);
  x_51 = lean_ctor_get(x_49, 1);
  lean_inc(x_51);
  lean_dec(x_49);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_52 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep(x_1, x_46, x_48, x_4, x_5, x_6, x_7, x_8, x_51);
  if (lean_obj_tag(x_52) == 0)
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
  x_53 = lean_ctor_get(x_52, 0);
  lean_inc(x_53);
  x_54 = lean_ctor_get(x_52, 1);
  lean_inc(x_54);
  lean_dec(x_52);
  x_55 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__5;
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_56 = l_Lean_Meta_mkCongrArg(x_55, x_50, x_5, x_6, x_7, x_8, x_54);
  if (lean_obj_tag(x_56) == 0)
  {
  lean_object* x_57; lean_object* x_58; lean_object* x_59; 
  x_57 = lean_ctor_get(x_56, 0);
  lean_inc(x_57);
  x_58 = lean_ctor_get(x_56, 1);
  lean_inc(x_58);
  lean_dec(x_56);
  x_59 = l_Lean_Meta_mkCongr(x_57, x_53, x_5, x_6, x_7, x_8, x_58);
  return x_59;
  }
  else
  {
  uint8_t x_60; 
  lean_dec(x_53);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_60 = !lean_is_exclusive(x_56);
  if (x_60 == 0)
  {
  return x_56;
  }
  else
  {
  lean_object* x_61; lean_object* x_62; lean_object* x_63; 
  x_61 = lean_ctor_get(x_56, 0);
  x_62 = lean_ctor_get(x_56, 1);
  lean_inc(x_62);
  lean_inc(x_61);
  lean_dec(x_56);
  x_63 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_63, 0, x_61);
  lean_ctor_set(x_63, 1, x_62);
  return x_63;
  }
  }
  }
  else
  {
  uint8_t x_64; 
  lean_dec(x_50);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_64 = !lean_is_exclusive(x_52);
  if (x_64 == 0)
  {
  return x_52;
  }
  else
  {
  lean_object* x_65; lean_object* x_66; lean_object* x_67; 
  x_65 = lean_ctor_get(x_52, 0);
  x_66 = lean_ctor_get(x_52, 1);
  lean_inc(x_66);
  lean_inc(x_65);
  lean_dec(x_52);
  x_67 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_67, 0, x_65);
  lean_ctor_set(x_67, 1, x_66);
  return x_67;
  }
  }
  }
  else
  {
  uint8_t x_68; 
  lean_dec(x_48);
  lean_dec(x_46);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_68 = !lean_is_exclusive(x_49);
  if (x_68 == 0)
  {
  return x_49;
  }
  else
  {
  lean_object* x_69; lean_object* x_70; lean_object* x_71; 
  x_69 = lean_ctor_get(x_49, 0);
  x_70 = lean_ctor_get(x_49, 1);
  lean_inc(x_70);
  lean_inc(x_69);
  lean_dec(x_49);
  x_71 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_71, 0, x_69);
  lean_ctor_set(x_71, 1, x_70);
  return x_71;
  }
  }
  }
  }
  }
  else
  {
  uint8_t x_72; 
  lean_dec(x_16);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_72 = !lean_is_exclusive(x_18);
  if (x_72 == 0)
  {
  return x_18;
  }
  else
  {
  lean_object* x_73; lean_object* x_74; lean_object* x_75; 
  x_73 = lean_ctor_get(x_18, 0);
  x_74 = lean_ctor_get(x_18, 1);
  lean_inc(x_74);
  lean_inc(x_73);
  lean_dec(x_18);
  x_75 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_75, 0, x_73);
  lean_ctor_set(x_75, 1, x_74);
  return x_75;
  }
  }
  }
  else
  {
  uint8_t x_76; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_76 = !lean_is_exclusive(x_15);
  if (x_76 == 0)
  {
  return x_15;
  }
  else
  {
  lean_object* x_77; lean_object* x_78; lean_object* x_79; 
  x_77 = lean_ctor_get(x_15, 0);
  x_78 = lean_ctor_get(x_15, 1);
  lean_inc(x_78);
  lean_inc(x_77);
  lean_dec(x_15);
  x_79 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_79, 0, x_77);
  lean_ctor_set(x_79, 1, x_78);
  return x_79;
  }
  }
  }
  else
  {
  lean_object* x_80; lean_object* x_81; 
  lean_dec(x_4);
  lean_dec(x_2);
  x_80 = lean_ctor_get(x_11, 1);
  lean_inc(x_80);
  lean_dec(x_11);
  x_81 = l_Lean_Meta_mkEqRefl(x_3, x_5, x_6, x_7, x_8, x_80);
  return x_81;
  }
  }
  else
  {
  uint8_t x_82; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_82 = !lean_is_exclusive(x_11);
  if (x_82 == 0)
  {
  return x_11;
  }
  else
  {
  lean_object* x_83; lean_object* x_84; lean_object* x_85; 
  x_83 = lean_ctor_get(x_11, 0);
  x_84 = lean_ctor_get(x_11, 1);
  lean_inc(x_84);
  lean_inc(x_83);
  lean_dec(x_11);
  x_85 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_85, 0, x_83);
  lean_ctor_set(x_85, 1, x_84);
  return x_85;
  }
  }
  }
  block_100:
  {
  if (x_87 == 0)
  {
  x_10 = x_88;
  goto block_86;
  }
  else
  {
  lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
  lean_inc(x_2);
  x_89 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_89, 0, x_2);
  x_90 = l_Lean_KernelException_toMessageData___closed__15;
  x_91 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_91, 0, x_90);
  lean_ctor_set(x_91, 1, x_89);
  x_92 = l_Lean_Meta_isLevelDefEqAux___closed__5;
  x_93 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_93, 0, x_91);
  lean_ctor_set(x_93, 1, x_92);
  lean_inc(x_3);
  x_94 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_94, 0, x_3);
  x_95 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_95, 0, x_93);
  lean_ctor_set(x_95, 1, x_94);
  x_96 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_96, 0, x_95);
  lean_ctor_set(x_96, 1, x_90);
  x_97 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__7;
  x_98 = l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(x_97, x_96, x_4, x_5, x_6, x_7, x_8, x_88);
  x_99 = lean_ctor_get(x_98, 1);
  lean_inc(x_99);
  lean_dec(x_98);
  x_10 = x_99;
  goto block_86;
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = x_5 < x_4;
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_6);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; lean_object* x_16; 
  lean_dec(x_6);
  x_15 = lean_array_uget(x_3, x_5);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_15);
  x_16 = l_Lean_Meta_inferType(x_15, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_17 = lean_ctor_get(x_16, 0);
  lean_inc(x_17);
  x_18 = lean_ctor_get(x_16, 1);
  lean_inc(x_18);
  lean_dec(x_16);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_1);
  x_19 = l_Lean_Meta_isExprDefEq(x_17, x_1, x_8, x_9, x_10, x_11, x_18);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; uint8_t x_21; 
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  x_21 = lean_unbox(x_20);
  lean_dec(x_20);
  if (x_21 == 0)
  {
  lean_object* x_22; size_t x_23; size_t x_24; 
  lean_dec(x_15);
  x_22 = lean_ctor_get(x_19, 1);
  lean_inc(x_22);
  lean_dec(x_19);
  x_23 = 1;
  x_24 = x_5 + x_23;
  lean_inc(x_2);
  {
  size_t _tmp_4 = x_24;
  lean_object* _tmp_5 = x_2;
  lean_object* _tmp_11 = x_22;
  x_5 = _tmp_4;
  x_6 = _tmp_5;
  x_12 = _tmp_11;
  }
  goto _start;
  }
  else
  {
  uint8_t x_26; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_26 = !lean_is_exclusive(x_19);
  if (x_26 == 0)
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_27 = lean_ctor_get(x_19, 0);
  lean_dec(x_27);
  x_28 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_28, 0, x_15);
  x_29 = lean_box(0);
  x_30 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  lean_ctor_set(x_19, 0, x_30);
  return x_19;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_31 = lean_ctor_get(x_19, 1);
  lean_inc(x_31);
  lean_dec(x_19);
  x_32 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_32, 0, x_15);
  x_33 = lean_box(0);
  x_34 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_34, 0, x_32);
  lean_ctor_set(x_34, 1, x_33);
  x_35 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_35, 0, x_34);
  lean_ctor_set(x_35, 1, x_31);
  return x_35;
  }
  }
  }
  else
  {
  uint8_t x_36; 
  lean_dec(x_15);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_36 = !lean_is_exclusive(x_19);
  if (x_36 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_37; lean_object* x_38; lean_object* x_39; 
  x_37 = lean_ctor_get(x_19, 0);
  x_38 = lean_ctor_get(x_19, 1);
  lean_inc(x_38);
  lean_inc(x_37);
  lean_dec(x_19);
  x_39 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_39, 0, x_37);
  lean_ctor_set(x_39, 1, x_38);
  return x_39;
  }
  }
  }
  else
  {
  uint8_t x_40; 
  lean_dec(x_15);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_2);
  lean_dec(x_1);
  x_40 = !lean_is_exclusive(x_16);
  if (x_40 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; 
  x_41 = lean_ctor_get(x_16, 0);
  x_42 = lean_ctor_get(x_16, 1);
  lean_inc(x_42);
  lean_inc(x_41);
  lean_dec(x_16);
  x_43 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_43, 0, x_41);
  lean_ctor_set(x_43, 1, x_42);
  return x_43;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma(x_1, x_2, x_4, x_5, x_6, x_7, x_8, x_9);
  return x_10;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___closed__1() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__7;
  x_2 = l_Std_Range_myMacro____x40_Init_Data_Range___hyg_919____closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_3);
  lean_inc(x_2);
  x_10 = l_Lean_Meta_isExprDefEq(x_2, x_3, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_10) == 0)
  {
  lean_object* x_11; uint8_t x_12; 
  x_11 = lean_ctor_get(x_10, 0);
  lean_inc(x_11);
  x_12 = lean_unbox(x_11);
  lean_dec(x_11);
  if (x_12 == 0)
  {
  lean_object* x_13; lean_object* x_14; 
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_dec(x_10);
  lean_inc(x_4);
  x_14 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf(x_2, x_4, x_5, x_6, x_7, x_8, x_13);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_45; lean_object* x_46; lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_14, 1);
  lean_inc(x_16);
  lean_dec(x_14);
  x_59 = lean_st_ref_get(x_8, x_16);
  x_60 = lean_ctor_get(x_59, 0);
  lean_inc(x_60);
  x_61 = lean_ctor_get(x_60, 3);
  lean_inc(x_61);
  lean_dec(x_60);
  x_62 = lean_ctor_get_uint8(x_61, sizeof(void*)*1);
  lean_dec(x_61);
  if (x_62 == 0)
  {
  lean_object* x_63; uint8_t x_64; 
  x_63 = lean_ctor_get(x_59, 1);
  lean_inc(x_63);
  lean_dec(x_59);
  x_64 = 0;
  x_45 = x_64;
  x_46 = x_63;
  goto block_58;
  }
  else
  {
  lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
  x_65 = lean_ctor_get(x_59, 1);
  lean_inc(x_65);
  lean_dec(x_59);
  x_66 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___closed__1;
  x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(x_66, x_4, x_5, x_6, x_7, x_8, x_65);
  x_68 = lean_ctor_get(x_67, 0);
  lean_inc(x_68);
  x_69 = lean_ctor_get(x_67, 1);
  lean_inc(x_69);
  lean_dec(x_67);
  x_70 = lean_unbox(x_68);
  lean_dec(x_68);
  x_45 = x_70;
  x_46 = x_69;
  goto block_58;
  }
  block_44:
  {
  lean_object* x_18; 
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_3);
  lean_inc(x_15);
  x_18 = l_Lean_Meta_mkEq(x_15, x_3, x_5, x_6, x_7, x_8, x_17);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; lean_object* x_24; lean_object* x_25; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = lean_array_get_size(x_1);
  x_22 = lean_usize_of_nat(x_21);
  lean_dec(x_21);
  x_23 = 0;
  x_24 = l_Array_findSomeM_x3f___rarg___closed__1;
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_25 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___spec__1(x_19, x_24, x_1, x_22, x_23, x_24, x_4, x_5, x_6, x_7, x_8, x_20);
  if (lean_obj_tag(x_25) == 0)
  {
  lean_object* x_26; lean_object* x_27; 
  x_26 = lean_ctor_get(x_25, 0);
  lean_inc(x_26);
  x_27 = lean_ctor_get(x_26, 0);
  lean_inc(x_27);
  lean_dec(x_26);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; 
  x_28 = lean_ctor_get(x_25, 1);
  lean_inc(x_28);
  lean_dec(x_25);
  x_29 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma(x_15, x_3, x_4, x_5, x_6, x_7, x_8, x_28);
  return x_29;
  }
  else
  {
  uint8_t x_30; 
  lean_dec(x_15);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_30 = !lean_is_exclusive(x_25);
  if (x_30 == 0)
  {
  lean_object* x_31; lean_object* x_32; 
  x_31 = lean_ctor_get(x_25, 0);
  lean_dec(x_31);
  x_32 = lean_ctor_get(x_27, 0);
  lean_inc(x_32);
  lean_dec(x_27);
  lean_ctor_set(x_25, 0, x_32);
  return x_25;
  }
  else
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_33 = lean_ctor_get(x_25, 1);
  lean_inc(x_33);
  lean_dec(x_25);
  x_34 = lean_ctor_get(x_27, 0);
  lean_inc(x_34);
  lean_dec(x_27);
  x_35 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_35, 0, x_34);
  lean_ctor_set(x_35, 1, x_33);
  return x_35;
  }
  }
  }
  else
  {
  uint8_t x_36; 
  lean_dec(x_15);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_36 = !lean_is_exclusive(x_25);
  if (x_36 == 0)
  {
  return x_25;
  }
  else
  {
  lean_object* x_37; lean_object* x_38; lean_object* x_39; 
  x_37 = lean_ctor_get(x_25, 0);
  x_38 = lean_ctor_get(x_25, 1);
  lean_inc(x_38);
  lean_inc(x_37);
  lean_dec(x_25);
  x_39 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_39, 0, x_37);
  lean_ctor_set(x_39, 1, x_38);
  return x_39;
  }
  }
  }
  else
  {
  uint8_t x_40; 
  lean_dec(x_15);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_40 = !lean_is_exclusive(x_18);
  if (x_40 == 0)
  {
  return x_18;
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; 
  x_41 = lean_ctor_get(x_18, 0);
  x_42 = lean_ctor_get(x_18, 1);
  lean_inc(x_42);
  lean_inc(x_41);
  lean_dec(x_18);
  x_43 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_43, 0, x_41);
  lean_ctor_set(x_43, 1, x_42);
  return x_43;
  }
  }
  }
  block_58:
  {
  if (x_45 == 0)
  {
  x_17 = x_46;
  goto block_44;
  }
  else
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
  lean_inc(x_15);
  x_47 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_47, 0, x_15);
  x_48 = l_Lean_KernelException_toMessageData___closed__15;
  x_49 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_49, 0, x_48);
  lean_ctor_set(x_49, 1, x_47);
  x_50 = l_Lean_Meta_isLevelDefEqAux___closed__5;
  x_51 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_51, 0, x_49);
  lean_ctor_set(x_51, 1, x_50);
  lean_inc(x_3);
  x_52 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_52, 0, x_3);
  x_53 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_53, 0, x_51);
  lean_ctor_set(x_53, 1, x_52);
  x_54 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_54, 0, x_53);
  lean_ctor_set(x_54, 1, x_48);
  x_55 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProofStep___closed__1;
  x_56 = l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(x_55, x_54, x_4, x_5, x_6, x_7, x_8, x_46);
  x_57 = lean_ctor_get(x_56, 1);
  lean_inc(x_57);
  lean_dec(x_56);
  x_17 = x_57;
  goto block_44;
  }
  }
  }
  else
  {
  uint8_t x_71; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_71 = !lean_is_exclusive(x_14);
  if (x_71 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; 
  x_72 = lean_ctor_get(x_14, 0);
  x_73 = lean_ctor_get(x_14, 1);
  lean_inc(x_73);
  lean_inc(x_72);
  lean_dec(x_14);
  x_74 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_74, 0, x_72);
  lean_ctor_set(x_74, 1, x_73);
  return x_74;
  }
  }
  }
  else
  {
  lean_object* x_75; lean_object* x_76; 
  lean_dec(x_4);
  lean_dec(x_2);
  x_75 = lean_ctor_get(x_10, 1);
  lean_inc(x_75);
  lean_dec(x_10);
  x_76 = l_Lean_Meta_mkEqRefl(x_3, x_5, x_6, x_7, x_8, x_75);
  return x_76;
  }
  }
  else
  {
  uint8_t x_77; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_77 = !lean_is_exclusive(x_10);
  if (x_77 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_78; lean_object* x_79; lean_object* x_80; 
  x_78 = lean_ctor_get(x_10, 0);
  x_79 = lean_ctor_get(x_10, 1);
  lean_inc(x_79);
  lean_inc(x_78);
  lean_dec(x_10);
  x_80 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_80, 0, x_78);
  lean_ctor_set(x_80, 1, x_79);
  return x_80;
  }
  }
  }
  }
  lean_object* l_List_mapM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_8; lean_object* x_9; 
  x_8 = lean_box(0);
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_8);
  lean_ctor_set(x_9, 1, x_7);
  return x_9;
  }
  else
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_10 = lean_ctor_get(x_1, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_1, 1);
  lean_inc(x_11);
  if (lean_is_exclusive(x_1)) {
   lean_ctor_release(x_1, 0);
   lean_ctor_release(x_1, 1);
   x_12 = x_1;
  } else {
   lean_dec_ref(x_1);
   x_12 = lean_box(0);
  }
  if (lean_obj_tag(x_10) == 4)
  {
  lean_object* x_28; 
  x_28 = lean_ctor_get(x_10, 0);
  lean_inc(x_28);
  lean_dec(x_10);
  x_13 = x_28;
  x_14 = x_7;
  goto block_27;
  }
  else
  {
  lean_object* x_29; uint8_t x_30; 
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  x_29 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_2, x_3, x_4, x_5, x_6, x_7);
  x_30 = !lean_is_exclusive(x_29);
  if (x_30 == 0)
  {
  return x_29;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_29, 0);
  x_32 = lean_ctor_get(x_29, 1);
  lean_inc(x_32);
  lean_inc(x_31);
  lean_dec(x_29);
  x_33 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  return x_33;
  }
  }
  block_27:
  {
  lean_object* x_15; 
  x_15 = l_List_mapM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__1(x_11, x_2, x_3, x_4, x_5, x_6, x_14);
  if (lean_obj_tag(x_15) == 0)
  {
  uint8_t x_16; 
  x_16 = !lean_is_exclusive(x_15);
  if (x_16 == 0)
  {
  lean_object* x_17; lean_object* x_18; 
  x_17 = lean_ctor_get(x_15, 0);
  if (lean_is_scalar(x_12)) {
   x_18 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_18 = x_12;
  }
  lean_ctor_set(x_18, 0, x_13);
  lean_ctor_set(x_18, 1, x_17);
  lean_ctor_set(x_15, 0, x_18);
  return x_15;
  }
  else
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
  x_19 = lean_ctor_get(x_15, 0);
  x_20 = lean_ctor_get(x_15, 1);
  lean_inc(x_20);
  lean_inc(x_19);
  lean_dec(x_15);
  if (lean_is_scalar(x_12)) {
   x_21 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_21 = x_12;
  }
  lean_ctor_set(x_21, 0, x_13);
  lean_ctor_set(x_21, 1, x_19);
  x_22 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_22, 0, x_21);
  lean_ctor_set(x_22, 1, x_20);
  return x_22;
  }
  }
  else
  {
  uint8_t x_23; 
  lean_dec(x_13);
  lean_dec(x_12);
  x_23 = !lean_is_exclusive(x_15);
  if (x_23 == 0)
  {
  return x_15;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_24 = lean_ctor_get(x_15, 0);
  x_25 = lean_ctor_get(x_15, 1);
  lean_inc(x_25);
  lean_inc(x_24);
  lean_dec(x_15);
  x_26 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_26, 0, x_24);
  lean_ctor_set(x_26, 1, x_25);
  return x_26;
  }
  }
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; uint8_t x_10; 
  x_8 = lean_ctor_get(x_5, 3);
  x_9 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
  x_10 = !lean_is_exclusive(x_9);
  if (x_10 == 0)
  {
  lean_object* x_11; lean_object* x_12; 
  x_11 = lean_ctor_get(x_9, 0);
  lean_inc(x_8);
  x_12 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_12, 0, x_8);
  lean_ctor_set(x_12, 1, x_11);
  lean_ctor_set_tag(x_9, 1);
  lean_ctor_set(x_9, 0, x_12);
  return x_9;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_13 = lean_ctor_get(x_9, 0);
  x_14 = lean_ctor_get(x_9, 1);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_dec(x_9);
  lean_inc(x_8);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_8);
  lean_ctor_set(x_15, 1, x_13);
  x_16 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_16, 0, x_15);
  lean_ctor_set(x_16, 1, x_14);
  return x_16;
  }
  }
  }
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; 
  x_8 = lean_ctor_get(x_5, 0);
  lean_inc(x_8);
  x_9 = l_Lean_KernelException_toMessageData(x_1, x_8);
  x_10 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__4(x_9, x_2, x_3, x_4, x_5, x_6, x_7);
  lean_dec(x_5);
  return x_10;
  }
  }
  lean_object* l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
  x_8 = lean_st_ref_take(x_6, x_7);
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = !lean_is_exclusive(x_9);
  if (x_11 == 0)
  {
  lean_object* x_12; lean_object* x_13; uint8_t x_14; 
  x_12 = lean_ctor_get(x_9, 0);
  lean_dec(x_12);
  lean_ctor_set(x_9, 0, x_1);
  x_13 = lean_st_ref_set(x_6, x_9, x_10);
  x_14 = !lean_is_exclusive(x_13);
  if (x_14 == 0)
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_ctor_get(x_13, 0);
  lean_dec(x_15);
  x_16 = lean_box(0);
  lean_ctor_set(x_13, 0, x_16);
  return x_13;
  }
  else
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_17 = lean_ctor_get(x_13, 1);
  lean_inc(x_17);
  lean_dec(x_13);
  x_18 = lean_box(0);
  x_19 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_19, 0, x_18);
  lean_ctor_set(x_19, 1, x_17);
  return x_19;
  }
  }
  else
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_20 = lean_ctor_get(x_9, 1);
  x_21 = lean_ctor_get(x_9, 2);
  x_22 = lean_ctor_get(x_9, 3);
  lean_inc(x_22);
  lean_inc(x_21);
  lean_inc(x_20);
  lean_dec(x_9);
  x_23 = lean_alloc_ctor(0, 4, 0);
  lean_ctor_set(x_23, 0, x_1);
  lean_ctor_set(x_23, 1, x_20);
  lean_ctor_set(x_23, 2, x_21);
  lean_ctor_set(x_23, 3, x_22);
  x_24 = lean_st_ref_set(x_6, x_23, x_10);
  x_25 = lean_ctor_get(x_24, 1);
  lean_inc(x_25);
  if (lean_is_exclusive(x_24)) {
   lean_ctor_release(x_24, 0);
   lean_ctor_release(x_24, 1);
   x_26 = x_24;
  } else {
   lean_dec_ref(x_24);
   x_26 = lean_box(0);
  }
  x_27 = lean_box(0);
  if (lean_is_scalar(x_26)) {
   x_28 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_28 = x_26;
  }
  lean_ctor_set(x_28, 0, x_27);
  lean_ctor_set(x_28, 1, x_25);
  return x_28;
  }
  }
  }
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
  x_8 = lean_st_ref_get(x_6, x_7);
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  x_10 = lean_ctor_get(x_8, 1);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_ctor_get(x_9, 0);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = lean_add_decl(x_11, x_1);
  if (lean_obj_tag(x_12) == 0)
  {
  lean_object* x_13; lean_object* x_14; 
  x_13 = lean_ctor_get(x_12, 0);
  lean_inc(x_13);
  lean_dec(x_12);
  x_14 = l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__3(x_13, x_2, x_3, x_4, x_5, x_6, x_10);
  return x_14;
  }
  else
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_ctor_get(x_12, 0);
  lean_inc(x_15);
  lean_dec(x_12);
  x_16 = l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5(x_15, x_2, x_3, x_4, x_5, x_6, x_10);
  lean_dec(x_5);
  return x_16;
  }
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = lean_apply_7(x_1, x_3, x_2, x_4, x_5, x_6, x_7, x_8);
  return x_9;
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; lean_object* x_12; 
  x_11 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg___lambda__1), 8, 2);
  lean_closure_set(x_11, 0, x_4);
  lean_closure_set(x_11, 1, x_5);
  x_12 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_11, x_6, x_7, x_8, x_9, x_10);
  if (lean_obj_tag(x_12) == 0)
  {
  uint8_t x_13; 
  x_13 = !lean_is_exclusive(x_12);
  if (x_13 == 0)
  {
  return x_12;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_12, 0);
  x_15 = lean_ctor_get(x_12, 1);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_dec(x_12);
  x_16 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_16, 0, x_14);
  lean_ctor_set(x_16, 1, x_15);
  return x_16;
  }
  }
  else
  {
  uint8_t x_17; 
  x_17 = !lean_is_exclusive(x_12);
  if (x_17 == 0)
  {
  return x_12;
  }
  else
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = lean_ctor_get(x_12, 0);
  x_19 = lean_ctor_get(x_12, 1);
  lean_inc(x_19);
  lean_inc(x_18);
  lean_dec(x_12);
  x_20 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_20, 0, x_18);
  lean_ctor_set(x_20, 1, x_19);
  return x_20;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg___boxed), 10, 0);
  return x_2;
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  x_10 = lean_apply_8(x_1, x_3, x_4, x_2, x_5, x_6, x_7, x_8, x_9);
  return x_10;
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; 
  x_9 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg___lambda__1), 9, 2);
  lean_closure_set(x_9, 0, x_2);
  lean_closure_set(x_9, 1, x_3);
  x_10 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(x_1, x_9, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_10) == 0)
  {
  uint8_t x_11; 
  x_11 = !lean_is_exclusive(x_10);
  if (x_11 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_12 = lean_ctor_get(x_10, 0);
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_10);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_12);
  lean_ctor_set(x_14, 1, x_13);
  return x_14;
  }
  }
  else
  {
  uint8_t x_15; 
  x_15 = !lean_is_exclusive(x_10);
  if (x_15 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_10, 0);
  x_17 = lean_ctor_get(x_10, 1);
  lean_inc(x_17);
  lean_inc(x_16);
  lean_dec(x_10);
  x_18 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_18, 0, x_16);
  lean_ctor_set(x_18, 1, x_17);
  return x_18;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg), 8, 0);
  return x_2;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("thmValue: ");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__1;
  x_2 = l_Lean_stringToMessageData(x_1);
  return x_2;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
  _start:
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
  x_17 = lean_unsigned_to_nat(0u);
  x_18 = l_Lean_Expr_getAppNumArgsAux(x_1, x_17);
  lean_inc(x_18);
  x_19 = lean_mk_array(x_18, x_2);
  x_20 = lean_unsigned_to_nat(1u);
  x_21 = lean_nat_sub(x_18, x_20);
  lean_dec(x_18);
  x_22 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_19, x_21);
  x_23 = lean_array_get_size(x_22);
  x_24 = lean_nat_sub(x_23, x_20);
  lean_dec(x_23);
  x_25 = lean_array_get_size(x_3);
  x_26 = lean_nat_sub(x_24, x_25);
  lean_dec(x_25);
  lean_dec(x_24);
  lean_inc(x_22);
  x_27 = l_Array_toSubarray___rarg(x_22, x_17, x_26);
  x_28 = l_Array_ofSubarray___rarg(x_27);
  lean_dec(x_27);
  x_29 = l_Array_append___rarg(x_28, x_3);
  x_30 = l_Lean_mkOptionalNode___closed__2;
  x_31 = lean_array_push(x_30, x_10);
  x_32 = l_Array_append___rarg(x_29, x_31);
  x_33 = l_Lean_mkAppN(x_4, x_32);
  x_34 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_15);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_inc(x_12);
  x_35 = l_Lean_Meta_mkAppM(x_34, x_31, x_12, x_13, x_14, x_15, x_16);
  if (lean_obj_tag(x_35) == 0)
  {
  lean_object* x_36; lean_object* x_37; lean_object* x_38; 
  x_36 = lean_ctor_get(x_35, 0);
  lean_inc(x_36);
  x_37 = lean_ctor_get(x_35, 1);
  lean_inc(x_37);
  lean_dec(x_35);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_36);
  lean_inc(x_33);
  x_38 = l_Lean_Meta_mkEq(x_33, x_36, x_12, x_13, x_14, x_15, x_37);
  if (lean_obj_tag(x_38) == 0)
  {
  lean_object* x_39; lean_object* x_40; uint8_t x_41; uint8_t x_42; lean_object* x_43; 
  x_39 = lean_ctor_get(x_38, 0);
  lean_inc(x_39);
  x_40 = lean_ctor_get(x_38, 1);
  lean_inc(x_40);
  lean_dec(x_38);
  x_41 = 0;
  x_42 = 1;
  lean_inc(x_12);
  lean_inc(x_32);
  x_43 = l_Lean_Meta_mkForallFVars(x_32, x_39, x_41, x_42, x_12, x_13, x_14, x_15, x_40);
  if (lean_obj_tag(x_43) == 0)
  {
  lean_object* x_44; lean_object* x_45; lean_object* x_46; 
  x_44 = lean_ctor_get(x_43, 0);
  lean_inc(x_44);
  x_45 = lean_ctor_get(x_43, 1);
  lean_inc(x_45);
  lean_dec(x_43);
  lean_inc(x_15);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  x_46 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof(x_5, x_33, x_36, x_11, x_12, x_13, x_14, x_15, x_45);
  lean_dec(x_36);
  if (lean_obj_tag(x_46) == 0)
  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  x_47 = lean_ctor_get(x_46, 0);
  lean_inc(x_47);
  x_48 = lean_ctor_get(x_46, 1);
  lean_inc(x_48);
  lean_dec(x_46);
  lean_inc(x_12);
  x_49 = l_Lean_Meta_mkLambdaFVars(x_32, x_47, x_41, x_42, x_12, x_13, x_14, x_15, x_48);
  if (lean_obj_tag(x_49) == 0)
  {
  lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_70; lean_object* x_71; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
  x_50 = lean_ctor_get(x_49, 0);
  lean_inc(x_50);
  x_51 = lean_ctor_get(x_49, 1);
  lean_inc(x_51);
  lean_dec(x_49);
  x_80 = lean_st_ref_get(x_15, x_51);
  x_81 = lean_ctor_get(x_80, 0);
  lean_inc(x_81);
  x_82 = lean_ctor_get(x_81, 3);
  lean_inc(x_82);
  lean_dec(x_81);
  x_83 = lean_ctor_get_uint8(x_82, sizeof(void*)*1);
  lean_dec(x_82);
  if (x_83 == 0)
  {
  lean_object* x_84; 
  x_84 = lean_ctor_get(x_80, 1);
  lean_inc(x_84);
  lean_dec(x_80);
  x_70 = x_41;
  x_71 = x_84;
  goto block_79;
  }
  else
  {
  lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; 
  x_85 = lean_ctor_get(x_80, 1);
  lean_inc(x_85);
  lean_dec(x_80);
  lean_inc(x_9);
  x_86 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_85);
  x_87 = lean_ctor_get(x_86, 0);
  lean_inc(x_87);
  x_88 = lean_ctor_get(x_86, 1);
  lean_inc(x_88);
  lean_dec(x_86);
  x_89 = lean_unbox(x_87);
  lean_dec(x_87);
  x_70 = x_89;
  x_71 = x_88;
  goto block_79;
  }
  block_69:
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
  lean_inc(x_6);
  x_53 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_53, 0, x_6);
  lean_ctor_set(x_53, 1, x_7);
  lean_ctor_set(x_53, 2, x_44);
  x_54 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_54, 0, x_53);
  lean_ctor_set(x_54, 1, x_50);
  x_55 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_55, 0, x_54);
  x_56 = l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__2(x_55, x_11, x_12, x_13, x_14, x_15, x_52);
  lean_dec(x_15);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_55);
  if (lean_obj_tag(x_56) == 0)
  {
  uint8_t x_57; 
  x_57 = !lean_is_exclusive(x_56);
  if (x_57 == 0)
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; 
  x_58 = lean_ctor_get(x_56, 0);
  lean_dec(x_58);
  x_59 = l_Lean_mkConst(x_6, x_8);
  x_60 = l_Lean_mkAppN(x_59, x_22);
  lean_dec(x_22);
  lean_ctor_set(x_56, 0, x_60);
  return x_56;
  }
  else
  {
  lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
  x_61 = lean_ctor_get(x_56, 1);
  lean_inc(x_61);
  lean_dec(x_56);
  x_62 = l_Lean_mkConst(x_6, x_8);
  x_63 = l_Lean_mkAppN(x_62, x_22);
  lean_dec(x_22);
  x_64 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_64, 0, x_63);
  lean_ctor_set(x_64, 1, x_61);
  return x_64;
  }
  }
  else
  {
  uint8_t x_65; 
  lean_dec(x_22);
  lean_dec(x_8);
  lean_dec(x_6);
  x_65 = !lean_is_exclusive(x_56);
  if (x_65 == 0)
  {
  return x_56;
  }
  else
  {
  lean_object* x_66; lean_object* x_67; lean_object* x_68; 
  x_66 = lean_ctor_get(x_56, 0);
  x_67 = lean_ctor_get(x_56, 1);
  lean_inc(x_67);
  lean_inc(x_66);
  lean_dec(x_56);
  x_68 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_68, 0, x_66);
  lean_ctor_set(x_68, 1, x_67);
  return x_68;
  }
  }
  }
  block_79:
  {
  if (x_70 == 0)
  {
  lean_dec(x_9);
  x_52 = x_71;
  goto block_69;
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
  lean_inc(x_50);
  x_72 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_72, 0, x_50);
  x_73 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___closed__2;
  x_74 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_74, 0, x_73);
  lean_ctor_set(x_74, 1, x_72);
  x_75 = l_Lean_KernelException_toMessageData___closed__15;
  x_76 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_76, 0, x_74);
  lean_ctor_set(x_76, 1, x_75);
  x_77 = l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(x_9, x_76, x_11, x_12, x_13, x_14, x_15, x_71);
  x_78 = lean_ctor_get(x_77, 1);
  lean_inc(x_78);
  lean_dec(x_77);
  x_52 = x_78;
  goto block_69;
  }
  }
  }
  else
  {
  uint8_t x_90; 
  lean_dec(x_44);
  lean_dec(x_22);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  x_90 = !lean_is_exclusive(x_49);
  if (x_90 == 0)
  {
  return x_49;
  }
  else
  {
  lean_object* x_91; lean_object* x_92; lean_object* x_93; 
  x_91 = lean_ctor_get(x_49, 0);
  x_92 = lean_ctor_get(x_49, 1);
  lean_inc(x_92);
  lean_inc(x_91);
  lean_dec(x_49);
  x_93 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_93, 0, x_91);
  lean_ctor_set(x_93, 1, x_92);
  return x_93;
  }
  }
  }
  else
  {
  uint8_t x_94; 
  lean_dec(x_44);
  lean_dec(x_32);
  lean_dec(x_22);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  x_94 = !lean_is_exclusive(x_46);
  if (x_94 == 0)
  {
  return x_46;
  }
  else
  {
  lean_object* x_95; lean_object* x_96; lean_object* x_97; 
  x_95 = lean_ctor_get(x_46, 0);
  x_96 = lean_ctor_get(x_46, 1);
  lean_inc(x_96);
  lean_inc(x_95);
  lean_dec(x_46);
  x_97 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_97, 0, x_95);
  lean_ctor_set(x_97, 1, x_96);
  return x_97;
  }
  }
  }
  else
  {
  uint8_t x_98; 
  lean_dec(x_36);
  lean_dec(x_33);
  lean_dec(x_32);
  lean_dec(x_22);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_98 = !lean_is_exclusive(x_43);
  if (x_98 == 0)
  {
  return x_43;
  }
  else
  {
  lean_object* x_99; lean_object* x_100; lean_object* x_101; 
  x_99 = lean_ctor_get(x_43, 0);
  x_100 = lean_ctor_get(x_43, 1);
  lean_inc(x_100);
  lean_inc(x_99);
  lean_dec(x_43);
  x_101 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_101, 0, x_99);
  lean_ctor_set(x_101, 1, x_100);
  return x_101;
  }
  }
  }
  else
  {
  uint8_t x_102; 
  lean_dec(x_36);
  lean_dec(x_33);
  lean_dec(x_32);
  lean_dec(x_22);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_102 = !lean_is_exclusive(x_38);
  if (x_102 == 0)
  {
  return x_38;
  }
  else
  {
  lean_object* x_103; lean_object* x_104; lean_object* x_105; 
  x_103 = lean_ctor_get(x_38, 0);
  x_104 = lean_ctor_get(x_38, 1);
  lean_inc(x_104);
  lean_inc(x_103);
  lean_dec(x_38);
  x_105 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_105, 0, x_103);
  lean_ctor_set(x_105, 1, x_104);
  return x_105;
  }
  }
  }
  else
  {
  uint8_t x_106; 
  lean_dec(x_33);
  lean_dec(x_32);
  lean_dec(x_22);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_106 = !lean_is_exclusive(x_35);
  if (x_106 == 0)
  {
  return x_35;
  }
  else
  {
  lean_object* x_107; lean_object* x_108; lean_object* x_109; 
  x_107 = lean_ctor_get(x_35, 0);
  x_108 = lean_ctor_get(x_35, 1);
  lean_inc(x_108);
  lean_inc(x_107);
  lean_dec(x_35);
  x_109 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_109, 0, x_107);
  lean_ctor_set(x_109, 1, x_108);
  return x_109;
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
  _start:
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; 
  x_18 = l_Lean_mkAppN(x_1, x_10);
  x_19 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__1___boxed), 16, 9);
  lean_closure_set(x_19, 0, x_2);
  lean_closure_set(x_19, 1, x_3);
  lean_closure_set(x_19, 2, x_10);
  lean_closure_set(x_19, 3, x_4);
  lean_closure_set(x_19, 4, x_5);
  lean_closure_set(x_19, 5, x_6);
  lean_closure_set(x_19, 6, x_7);
  lean_closure_set(x_19, 7, x_8);
  lean_closure_set(x_19, 8, x_9);
  x_20 = l_Lean_Meta_mkArrow___closed__2;
  x_21 = 0;
  x_22 = l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__6___rarg(x_20, x_21, x_18, x_19, x_12, x_13, x_14, x_15, x_16, x_17);
  return x_22;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("_eq");
  return x_1;
  }
  }
  static lean_object* _init_l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_2 = l_myMacro____x40_Init_Notation___hyg_15419____closed__7;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; uint8_t x_149; lean_object* x_150; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; 
  x_163 = lean_st_ref_get(x_7, x_8);
  x_164 = lean_ctor_get(x_163, 0);
  lean_inc(x_164);
  x_165 = lean_ctor_get(x_164, 3);
  lean_inc(x_165);
  lean_dec(x_164);
  x_166 = lean_ctor_get_uint8(x_165, sizeof(void*)*1);
  lean_dec(x_165);
  if (x_166 == 0)
  {
  lean_object* x_167; uint8_t x_168; 
  x_167 = lean_ctor_get(x_163, 1);
  lean_inc(x_167);
  lean_dec(x_163);
  x_168 = 0;
  x_149 = x_168;
  x_150 = x_167;
  goto block_162;
  }
  else
  {
  lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; uint8_t x_174; 
  x_169 = lean_ctor_get(x_163, 1);
  lean_inc(x_169);
  lean_dec(x_163);
  x_170 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__2;
  x_171 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(x_170, x_3, x_4, x_5, x_6, x_7, x_169);
  x_172 = lean_ctor_get(x_171, 0);
  lean_inc(x_172);
  x_173 = lean_ctor_get(x_171, 1);
  lean_inc(x_173);
  lean_dec(x_171);
  x_174 = lean_unbox(x_172);
  lean_dec(x_172);
  x_149 = x_174;
  x_150 = x_173;
  goto block_162;
  }
  block_148:
  {
  lean_object* x_10; 
  x_10 = l_Lean_Expr_getAppFn(x_1);
  if (lean_obj_tag(x_10) == 4)
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; 
  x_11 = lean_ctor_get(x_10, 0);
  lean_inc(x_11);
  x_12 = lean_ctor_get(x_10, 1);
  lean_inc(x_12);
  lean_inc(x_12);
  x_13 = l_List_mapM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__1(x_12, x_3, x_4, x_5, x_6, x_7, x_9);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__1;
  x_17 = l_Lean_Name_appendAfter(x_11, x_16);
  x_18 = lean_st_ref_get(x_7, x_15);
  x_19 = !lean_is_exclusive(x_18);
  if (x_19 == 0)
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
  x_20 = lean_ctor_get(x_18, 0);
  x_21 = lean_ctor_get(x_18, 1);
  x_22 = lean_ctor_get(x_20, 0);
  lean_inc(x_22);
  lean_dec(x_20);
  x_23 = l_Lean_Environment_contains(x_22, x_17);
  if (x_23 == 0)
  {
  lean_object* x_24; lean_object* x_25; 
  lean_free_object(x_18);
  x_24 = l_Lean_Expr_appArg_x21(x_1);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_25 = l_Lean_Meta_inferType(x_24, x_4, x_5, x_6, x_7, x_21);
  if (lean_obj_tag(x_25) == 0)
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_26 = lean_ctor_get(x_25, 0);
  lean_inc(x_26);
  x_27 = lean_ctor_get(x_25, 1);
  lean_inc(x_27);
  lean_dec(x_25);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_28 = l_Lean_Meta_whnf(x_26, x_4, x_5, x_6, x_7, x_27);
  if (lean_obj_tag(x_28) == 0)
  {
  lean_object* x_29; lean_object* x_30; lean_object* x_31; 
  x_29 = lean_ctor_get(x_28, 0);
  lean_inc(x_29);
  x_30 = lean_ctor_get(x_28, 1);
  lean_inc(x_30);
  lean_dec(x_28);
  x_31 = l_Lean_Expr_getAppFn(x_29);
  if (lean_obj_tag(x_31) == 4)
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_32 = lean_ctor_get(x_31, 0);
  lean_inc(x_32);
  x_33 = lean_st_ref_get(x_7, x_30);
  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_33, 1);
  lean_inc(x_35);
  lean_dec(x_33);
  x_36 = lean_ctor_get(x_34, 0);
  lean_inc(x_36);
  lean_dec(x_34);
  x_37 = lean_environment_find(x_36, x_32);
  if (lean_obj_tag(x_37) == 0)
  {
  lean_object* x_38; 
  lean_dec(x_31);
  lean_dec(x_29);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_38 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_35);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_38;
  }
  else
  {
  lean_object* x_39; 
  x_39 = lean_ctor_get(x_37, 0);
  lean_inc(x_39);
  lean_dec(x_37);
  if (lean_obj_tag(x_39) == 5)
  {
  lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
  x_40 = lean_ctor_get(x_39, 0);
  lean_inc(x_40);
  lean_dec(x_39);
  x_41 = lean_unsigned_to_nat(0u);
  x_42 = l_Lean_Expr_getAppNumArgsAux(x_29, x_41);
  x_43 = l_Lean_Expr_getAppArgs___closed__1;
  lean_inc(x_42);
  x_44 = lean_mk_array(x_42, x_43);
  x_45 = lean_unsigned_to_nat(1u);
  x_46 = lean_nat_sub(x_42, x_45);
  lean_dec(x_42);
  x_47 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_29, x_44, x_46);
  x_48 = lean_ctor_get(x_40, 1);
  lean_inc(x_48);
  x_49 = l_Array_toSubarray___rarg(x_47, x_41, x_48);
  x_50 = l_Array_ofSubarray___rarg(x_49);
  lean_dec(x_49);
  x_51 = l_Lean_mkAppN(x_31, x_50);
  lean_dec(x_50);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_51);
  x_52 = l_Lean_Meta_inferType(x_51, x_4, x_5, x_6, x_7, x_35);
  if (lean_obj_tag(x_52) == 0)
  {
  lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
  x_53 = lean_ctor_get(x_52, 0);
  lean_inc(x_53);
  x_54 = lean_ctor_get(x_52, 1);
  lean_inc(x_54);
  lean_dec(x_52);
  x_55 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_56 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__2___boxed), 17, 9);
  lean_closure_set(x_56, 0, x_51);
  lean_closure_set(x_56, 1, x_1);
  lean_closure_set(x_56, 2, x_43);
  lean_closure_set(x_56, 3, x_10);
  lean_closure_set(x_56, 4, x_40);
  lean_closure_set(x_56, 5, x_17);
  lean_closure_set(x_56, 6, x_14);
  lean_closure_set(x_56, 7, x_12);
  lean_closure_set(x_56, 8, x_55);
  x_57 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg(x_53, x_56, x_3, x_4, x_5, x_6, x_7, x_54);
  return x_57;
  }
  else
  {
  uint8_t x_58; 
  lean_dec(x_51);
  lean_dec(x_40);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_58 = !lean_is_exclusive(x_52);
  if (x_58 == 0)
  {
  return x_52;
  }
  else
  {
  lean_object* x_59; lean_object* x_60; lean_object* x_61; 
  x_59 = lean_ctor_get(x_52, 0);
  x_60 = lean_ctor_get(x_52, 1);
  lean_inc(x_60);
  lean_inc(x_59);
  lean_dec(x_52);
  x_61 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_61, 0, x_59);
  lean_ctor_set(x_61, 1, x_60);
  return x_61;
  }
  }
  }
  else
  {
  lean_object* x_62; 
  lean_dec(x_39);
  lean_dec(x_31);
  lean_dec(x_29);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_62 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_35);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_62;
  }
  }
  }
  else
  {
  lean_object* x_63; 
  lean_dec(x_31);
  lean_dec(x_29);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_63 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_30);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_63;
  }
  }
  else
  {
  uint8_t x_64; 
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_64 = !lean_is_exclusive(x_28);
  if (x_64 == 0)
  {
  return x_28;
  }
  else
  {
  lean_object* x_65; lean_object* x_66; lean_object* x_67; 
  x_65 = lean_ctor_get(x_28, 0);
  x_66 = lean_ctor_get(x_28, 1);
  lean_inc(x_66);
  lean_inc(x_65);
  lean_dec(x_28);
  x_67 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_67, 0, x_65);
  lean_ctor_set(x_67, 1, x_66);
  return x_67;
  }
  }
  }
  else
  {
  uint8_t x_68; 
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_68 = !lean_is_exclusive(x_25);
  if (x_68 == 0)
  {
  return x_25;
  }
  else
  {
  lean_object* x_69; lean_object* x_70; lean_object* x_71; 
  x_69 = lean_ctor_get(x_25, 0);
  x_70 = lean_ctor_get(x_25, 1);
  lean_inc(x_70);
  lean_inc(x_69);
  lean_dec(x_25);
  x_71 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_71, 0, x_69);
  lean_ctor_set(x_71, 1, x_70);
  return x_71;
  }
  }
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
  lean_dec(x_14);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_72 = l_Lean_mkConst(x_17, x_12);
  x_73 = lean_unsigned_to_nat(0u);
  x_74 = l_Lean_Expr_getAppNumArgsAux(x_1, x_73);
  x_75 = l_Lean_Expr_getAppArgs___closed__1;
  lean_inc(x_74);
  x_76 = lean_mk_array(x_74, x_75);
  x_77 = lean_unsigned_to_nat(1u);
  x_78 = lean_nat_sub(x_74, x_77);
  lean_dec(x_74);
  x_79 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_76, x_78);
  x_80 = l_Lean_mkAppN(x_72, x_79);
  lean_dec(x_79);
  lean_ctor_set(x_18, 0, x_80);
  return x_18;
  }
  }
  else
  {
  lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
  x_81 = lean_ctor_get(x_18, 0);
  x_82 = lean_ctor_get(x_18, 1);
  lean_inc(x_82);
  lean_inc(x_81);
  lean_dec(x_18);
  x_83 = lean_ctor_get(x_81, 0);
  lean_inc(x_83);
  lean_dec(x_81);
  x_84 = l_Lean_Environment_contains(x_83, x_17);
  if (x_84 == 0)
  {
  lean_object* x_85; lean_object* x_86; 
  x_85 = l_Lean_Expr_appArg_x21(x_1);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_86 = l_Lean_Meta_inferType(x_85, x_4, x_5, x_6, x_7, x_82);
  if (lean_obj_tag(x_86) == 0)
  {
  lean_object* x_87; lean_object* x_88; lean_object* x_89; 
  x_87 = lean_ctor_get(x_86, 0);
  lean_inc(x_87);
  x_88 = lean_ctor_get(x_86, 1);
  lean_inc(x_88);
  lean_dec(x_86);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_89 = l_Lean_Meta_whnf(x_87, x_4, x_5, x_6, x_7, x_88);
  if (lean_obj_tag(x_89) == 0)
  {
  lean_object* x_90; lean_object* x_91; lean_object* x_92; 
  x_90 = lean_ctor_get(x_89, 0);
  lean_inc(x_90);
  x_91 = lean_ctor_get(x_89, 1);
  lean_inc(x_91);
  lean_dec(x_89);
  x_92 = l_Lean_Expr_getAppFn(x_90);
  if (lean_obj_tag(x_92) == 4)
  {
  lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
  x_93 = lean_ctor_get(x_92, 0);
  lean_inc(x_93);
  x_94 = lean_st_ref_get(x_7, x_91);
  x_95 = lean_ctor_get(x_94, 0);
  lean_inc(x_95);
  x_96 = lean_ctor_get(x_94, 1);
  lean_inc(x_96);
  lean_dec(x_94);
  x_97 = lean_ctor_get(x_95, 0);
  lean_inc(x_97);
  lean_dec(x_95);
  x_98 = lean_environment_find(x_97, x_93);
  if (lean_obj_tag(x_98) == 0)
  {
  lean_object* x_99; 
  lean_dec(x_92);
  lean_dec(x_90);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_99 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_96);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_99;
  }
  else
  {
  lean_object* x_100; 
  x_100 = lean_ctor_get(x_98, 0);
  lean_inc(x_100);
  lean_dec(x_98);
  if (lean_obj_tag(x_100) == 5)
  {
  lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
  x_101 = lean_ctor_get(x_100, 0);
  lean_inc(x_101);
  lean_dec(x_100);
  x_102 = lean_unsigned_to_nat(0u);
  x_103 = l_Lean_Expr_getAppNumArgsAux(x_90, x_102);
  x_104 = l_Lean_Expr_getAppArgs___closed__1;
  lean_inc(x_103);
  x_105 = lean_mk_array(x_103, x_104);
  x_106 = lean_unsigned_to_nat(1u);
  x_107 = lean_nat_sub(x_103, x_106);
  lean_dec(x_103);
  x_108 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_90, x_105, x_107);
  x_109 = lean_ctor_get(x_101, 1);
  lean_inc(x_109);
  x_110 = l_Array_toSubarray___rarg(x_108, x_102, x_109);
  x_111 = l_Array_ofSubarray___rarg(x_110);
  lean_dec(x_110);
  x_112 = l_Lean_mkAppN(x_92, x_111);
  lean_dec(x_111);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_112);
  x_113 = l_Lean_Meta_inferType(x_112, x_4, x_5, x_6, x_7, x_96);
  if (lean_obj_tag(x_113) == 0)
  {
  lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
  x_114 = lean_ctor_get(x_113, 0);
  lean_inc(x_114);
  x_115 = lean_ctor_get(x_113, 1);
  lean_inc(x_115);
  lean_dec(x_113);
  x_116 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_117 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___lambda__2___boxed), 17, 9);
  lean_closure_set(x_117, 0, x_112);
  lean_closure_set(x_117, 1, x_1);
  lean_closure_set(x_117, 2, x_104);
  lean_closure_set(x_117, 3, x_10);
  lean_closure_set(x_117, 4, x_101);
  lean_closure_set(x_117, 5, x_17);
  lean_closure_set(x_117, 6, x_14);
  lean_closure_set(x_117, 7, x_12);
  lean_closure_set(x_117, 8, x_116);
  x_118 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg(x_114, x_117, x_3, x_4, x_5, x_6, x_7, x_115);
  return x_118;
  }
  else
  {
  lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
  lean_dec(x_112);
  lean_dec(x_101);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_119 = lean_ctor_get(x_113, 0);
  lean_inc(x_119);
  x_120 = lean_ctor_get(x_113, 1);
  lean_inc(x_120);
  if (lean_is_exclusive(x_113)) {
   lean_ctor_release(x_113, 0);
   lean_ctor_release(x_113, 1);
   x_121 = x_113;
  } else {
   lean_dec_ref(x_113);
   x_121 = lean_box(0);
  }
  if (lean_is_scalar(x_121)) {
   x_122 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_122 = x_121;
  }
  lean_ctor_set(x_122, 0, x_119);
  lean_ctor_set(x_122, 1, x_120);
  return x_122;
  }
  }
  else
  {
  lean_object* x_123; 
  lean_dec(x_100);
  lean_dec(x_92);
  lean_dec(x_90);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_123 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_96);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_123;
  }
  }
  }
  else
  {
  lean_object* x_124; 
  lean_dec(x_92);
  lean_dec(x_90);
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_1);
  x_124 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_91);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_124;
  }
  }
  else
  {
  lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_125 = lean_ctor_get(x_89, 0);
  lean_inc(x_125);
  x_126 = lean_ctor_get(x_89, 1);
  lean_inc(x_126);
  if (lean_is_exclusive(x_89)) {
   lean_ctor_release(x_89, 0);
   lean_ctor_release(x_89, 1);
   x_127 = x_89;
  } else {
   lean_dec_ref(x_89);
   x_127 = lean_box(0);
  }
  if (lean_is_scalar(x_127)) {
   x_128 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_128 = x_127;
  }
  lean_ctor_set(x_128, 0, x_125);
  lean_ctor_set(x_128, 1, x_126);
  return x_128;
  }
  }
  else
  {
  lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
  lean_dec(x_17);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_129 = lean_ctor_get(x_86, 0);
  lean_inc(x_129);
  x_130 = lean_ctor_get(x_86, 1);
  lean_inc(x_130);
  if (lean_is_exclusive(x_86)) {
   lean_ctor_release(x_86, 0);
   lean_ctor_release(x_86, 1);
   x_131 = x_86;
  } else {
   lean_dec_ref(x_86);
   x_131 = lean_box(0);
  }
  if (lean_is_scalar(x_131)) {
   x_132 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_132 = x_131;
  }
  lean_ctor_set(x_132, 0, x_129);
  lean_ctor_set(x_132, 1, x_130);
  return x_132;
  }
  }
  else
  {
  lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
  lean_dec(x_14);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_133 = l_Lean_mkConst(x_17, x_12);
  x_134 = lean_unsigned_to_nat(0u);
  x_135 = l_Lean_Expr_getAppNumArgsAux(x_1, x_134);
  x_136 = l_Lean_Expr_getAppArgs___closed__1;
  lean_inc(x_135);
  x_137 = lean_mk_array(x_135, x_136);
  x_138 = lean_unsigned_to_nat(1u);
  x_139 = lean_nat_sub(x_135, x_138);
  lean_dec(x_135);
  x_140 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_137, x_139);
  x_141 = l_Lean_mkAppN(x_133, x_140);
  lean_dec(x_140);
  x_142 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_142, 0, x_141);
  lean_ctor_set(x_142, 1, x_82);
  return x_142;
  }
  }
  }
  else
  {
  uint8_t x_143; 
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_143 = !lean_is_exclusive(x_13);
  if (x_143 == 0)
  {
  return x_13;
  }
  else
  {
  lean_object* x_144; lean_object* x_145; lean_object* x_146; 
  x_144 = lean_ctor_get(x_13, 0);
  x_145 = lean_ctor_get(x_13, 1);
  lean_inc(x_145);
  lean_inc(x_144);
  lean_dec(x_13);
  x_146 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_146, 0, x_144);
  lean_ctor_set(x_146, 1, x_145);
  return x_146;
  }
  }
  }
  else
  {
  lean_object* x_147; 
  lean_dec(x_10);
  lean_dec(x_1);
  x_147 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_9);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_147;
  }
  }
  block_162:
  {
  if (x_149 == 0)
  {
  lean_dec(x_2);
  x_9 = x_150;
  goto block_148;
  }
  else
  {
  lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
  lean_inc(x_1);
  x_151 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_151, 0, x_1);
  x_152 = l_Lean_KernelException_toMessageData___closed__15;
  x_153 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_153, 0, x_152);
  lean_ctor_set(x_153, 1, x_151);
  x_154 = l_Lean_Meta_isLevelDefEqAux___closed__5;
  x_155 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_155, 0, x_153);
  lean_ctor_set(x_155, 1, x_154);
  x_156 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_156, 0, x_2);
  x_157 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_157, 0, x_155);
  lean_ctor_set(x_157, 1, x_156);
  x_158 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_158, 0, x_157);
  lean_ctor_set(x_158, 1, x_152);
  x_159 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___closed__2;
  x_160 = l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(x_159, x_158, x_3, x_4, x_5, x_6, x_7, x_150);
  x_161 = lean_ctor_get(x_160, 1);
  lean_inc(x_161);
  lean_dec(x_160);
  x_9 = x_161;
  goto block_148;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; uint8_t x_10; 
  x_8 = lean_ctor_get(x_5, 3);
  x_9 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
  x_10 = !lean_is_exclusive(x_9);
  if (x_10 == 0)
  {
  lean_object* x_11; lean_object* x_12; 
  x_11 = lean_ctor_get(x_9, 0);
  lean_inc(x_8);
  x_12 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_12, 0, x_8);
  lean_ctor_set(x_12, 1, x_11);
  lean_ctor_set_tag(x_9, 1);
  lean_ctor_set(x_9, 0, x_12);
  return x_9;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_13 = lean_ctor_get(x_9, 0);
  x_14 = lean_ctor_get(x_9, 1);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_dec(x_9);
  lean_inc(x_8);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_8);
  lean_ctor_set(x_15, 1, x_13);
  x_16 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_16, 0, x_15);
  lean_ctor_set(x_16, 1, x_14);
  return x_16;
  }
  }
  }
  lean_object* l_Lean_getConstInfo___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; uint8_t x_9; 
  x_8 = lean_st_ref_get(x_6, x_7);
  x_9 = !lean_is_exclusive(x_8);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
  x_10 = lean_ctor_get(x_8, 0);
  x_11 = lean_ctor_get(x_8, 1);
  x_12 = lean_ctor_get(x_10, 0);
  lean_inc(x_12);
  lean_dec(x_10);
  lean_inc(x_1);
  x_13 = lean_environment_find(x_12, x_1);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  lean_free_object(x_8);
  x_14 = lean_box(0);
  x_15 = l_Lean_mkConst(x_1, x_14);
  x_16 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_16, 0, x_15);
  x_17 = l_Lean_throwUnknownConstant___rarg___closed__2;
  x_18 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_18, 0, x_17);
  lean_ctor_set(x_18, 1, x_16);
  x_19 = l_Lean_KernelException_toMessageData___closed__3;
  x_20 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_20, 0, x_18);
  lean_ctor_set(x_20, 1, x_19);
  x_21 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__3(x_20, x_2, x_3, x_4, x_5, x_6, x_11);
  return x_21;
  }
  else
  {
  lean_object* x_22; 
  lean_dec(x_1);
  x_22 = lean_ctor_get(x_13, 0);
  lean_inc(x_22);
  lean_dec(x_13);
  lean_ctor_set(x_8, 0, x_22);
  return x_8;
  }
  }
  else
  {
  lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_23 = lean_ctor_get(x_8, 0);
  x_24 = lean_ctor_get(x_8, 1);
  lean_inc(x_24);
  lean_inc(x_23);
  lean_dec(x_8);
  x_25 = lean_ctor_get(x_23, 0);
  lean_inc(x_25);
  lean_dec(x_23);
  lean_inc(x_1);
  x_26 = lean_environment_find(x_25, x_1);
  if (lean_obj_tag(x_26) == 0)
  {
  lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_27 = lean_box(0);
  x_28 = l_Lean_mkConst(x_1, x_27);
  x_29 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_29, 0, x_28);
  x_30 = l_Lean_throwUnknownConstant___rarg___closed__2;
  x_31 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_31, 0, x_30);
  lean_ctor_set(x_31, 1, x_29);
  x_32 = l_Lean_KernelException_toMessageData___closed__3;
  x_33 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  x_34 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__3(x_33, x_2, x_3, x_4, x_5, x_6, x_24);
  return x_34;
  }
  else
  {
  lean_object* x_35; lean_object* x_36; 
  lean_dec(x_1);
  x_35 = lean_ctor_get(x_26, 0);
  lean_inc(x_35);
  lean_dec(x_26);
  x_36 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_36, 0, x_35);
  lean_ctor_set(x_36, 1, x_24);
  return x_36;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; lean_object* x_9; uint8_t x_10; 
  x_8 = lean_ctor_get(x_5, 3);
  x_9 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
  x_10 = !lean_is_exclusive(x_9);
  if (x_10 == 0)
  {
  lean_object* x_11; lean_object* x_12; 
  x_11 = lean_ctor_get(x_9, 0);
  lean_inc(x_8);
  x_12 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_12, 0, x_8);
  lean_ctor_set(x_12, 1, x_11);
  lean_ctor_set_tag(x_9, 1);
  lean_ctor_set(x_9, 0, x_12);
  return x_9;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_13 = lean_ctor_get(x_9, 0);
  x_14 = lean_ctor_get(x_9, 1);
  lean_inc(x_14);
  lean_inc(x_13);
  lean_dec(x_9);
  lean_inc(x_8);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_8);
  lean_ctor_set(x_15, 1, x_13);
  x_16 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_16, 0, x_15);
  lean_ctor_set(x_16, 1, x_14);
  return x_16;
  }
  }
  }
  lean_object* l_Lean_getConstInfoRec___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
  _start:
  {
  lean_object* x_8; 
  lean_inc(x_1);
  x_8 = l_Lean_getConstInfo___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
  if (lean_obj_tag(x_8) == 0)
  {
  lean_object* x_9; 
  x_9 = lean_ctor_get(x_8, 0);
  lean_inc(x_9);
  if (lean_obj_tag(x_9) == 7)
  {
  uint8_t x_10; 
  lean_dec(x_1);
  x_10 = !lean_is_exclusive(x_8);
  if (x_10 == 0)
  {
  lean_object* x_11; lean_object* x_12; 
  x_11 = lean_ctor_get(x_8, 0);
  lean_dec(x_11);
  x_12 = lean_ctor_get(x_9, 0);
  lean_inc(x_12);
  lean_dec(x_9);
  lean_ctor_set(x_8, 0, x_12);
  return x_8;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_13 = lean_ctor_get(x_8, 1);
  lean_inc(x_13);
  lean_dec(x_8);
  x_14 = lean_ctor_get(x_9, 0);
  lean_inc(x_14);
  lean_dec(x_9);
  x_15 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_15, 0, x_14);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
  lean_dec(x_9);
  x_16 = lean_ctor_get(x_8, 1);
  lean_inc(x_16);
  lean_dec(x_8);
  x_17 = lean_box(0);
  x_18 = l_Lean_mkConst(x_1, x_17);
  x_19 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_19, 0, x_18);
  x_20 = l_Lean_KernelException_toMessageData___closed__3;
  x_21 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_21, 0, x_20);
  lean_ctor_set(x_21, 1, x_19);
  x_22 = l_Lean_getConstInfoRec___rarg___lambda__1___closed__2;
  x_23 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_23, 0, x_21);
  lean_ctor_set(x_23, 1, x_22);
  x_24 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__4(x_23, x_2, x_3, x_4, x_5, x_6, x_16);
  return x_24;
  }
  }
  else
  {
  uint8_t x_25; 
  lean_dec(x_1);
  x_25 = !lean_is_exclusive(x_8);
  if (x_25 == 0)
  {
  return x_8;
  }
  else
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_26 = lean_ctor_get(x_8, 0);
  x_27 = lean_ctor_get(x_8, 1);
  lean_inc(x_27);
  lean_inc(x_26);
  lean_dec(x_8);
  x_28 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  return x_28;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; lean_object* x_10; 
  x_9 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__7___rarg___lambda__1), 9, 2);
  lean_closure_set(x_9, 0, x_2);
  lean_closure_set(x_9, 1, x_3);
  x_10 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(x_1, x_9, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_10) == 0)
  {
  uint8_t x_11; 
  x_11 = !lean_is_exclusive(x_10);
  if (x_11 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_12 = lean_ctor_get(x_10, 0);
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_10);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_12);
  lean_ctor_set(x_14, 1, x_13);
  return x_14;
  }
  }
  else
  {
  uint8_t x_15; 
  x_15 = !lean_is_exclusive(x_10);
  if (x_15 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_16 = lean_ctor_get(x_10, 0);
  x_17 = lean_ctor_get(x_10, 1);
  lean_inc(x_17);
  lean_inc(x_16);
  lean_dec(x_10);
  x_18 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_18, 0, x_16);
  lean_ctor_set(x_18, 1, x_17);
  return x_18;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5___rarg), 8, 0);
  return x_2;
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; 
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  x_11 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof_mkSizeOf(x_1, x_2, x_3, x_5, x_6, x_7, x_8, x_9, x_10);
  if (lean_obj_tag(x_11) == 0)
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_11, 1);
  lean_inc(x_13);
  lean_dec(x_11);
  x_14 = l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___spec__1(x_3);
  x_15 = l_Lean_mkOptionalNode___closed__2;
  x_16 = lean_array_push(x_15, x_14);
  x_17 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  x_18 = l_Lean_Meta_mkAppM(x_17, x_16, x_6, x_7, x_8, x_9, x_13);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  x_21 = l_Lean_Meta_mkEq(x_12, x_19, x_6, x_7, x_8, x_9, x_20);
  if (lean_obj_tag(x_21) == 0)
  {
  lean_object* x_22; lean_object* x_23; uint8_t x_24; uint8_t x_25; lean_object* x_26; 
  x_22 = lean_ctor_get(x_21, 0);
  lean_inc(x_22);
  x_23 = lean_ctor_get(x_21, 1);
  lean_inc(x_23);
  lean_dec(x_21);
  x_24 = 0;
  x_25 = 1;
  x_26 = l_Lean_Meta_mkLambdaFVars(x_3, x_22, x_24, x_25, x_6, x_7, x_8, x_9, x_23);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  return x_26;
  }
  else
  {
  uint8_t x_27; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  x_27 = !lean_is_exclusive(x_21);
  if (x_27 == 0)
  {
  return x_21;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_21, 0);
  x_29 = lean_ctor_get(x_21, 1);
  lean_inc(x_29);
  lean_inc(x_28);
  lean_dec(x_21);
  x_30 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  return x_30;
  }
  }
  }
  else
  {
  uint8_t x_31; 
  lean_dec(x_12);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  x_31 = !lean_is_exclusive(x_18);
  if (x_31 == 0)
  {
  return x_18;
  }
  else
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_32 = lean_ctor_get(x_18, 0);
  x_33 = lean_ctor_get(x_18, 1);
  lean_inc(x_33);
  lean_inc(x_32);
  lean_dec(x_18);
  x_34 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_34, 0, x_32);
  lean_ctor_set(x_34, 1, x_33);
  return x_34;
  }
  }
  }
  else
  {
  uint8_t x_35; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  x_35 = !lean_is_exclusive(x_11);
  if (x_35 == 0)
  {
  return x_11;
  }
  else
  {
  lean_object* x_36; lean_object* x_37; lean_object* x_38; 
  x_36 = lean_ctor_get(x_11, 0);
  x_37 = lean_ctor_get(x_11, 1);
  lean_inc(x_37);
  lean_inc(x_36);
  lean_dec(x_11);
  x_38 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_38, 0, x_36);
  lean_ctor_set(x_38, 1, x_37);
  return x_38;
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  uint8_t x_13; 
  x_13 = x_5 < x_4;
  if (x_13 == 0)
  {
  lean_object* x_14; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_6);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  else
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_array_uget(x_3, x_5);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  x_16 = l_Lean_Meta_inferType(x_15, x_8, x_9, x_10, x_11, x_12);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_17 = lean_ctor_get(x_16, 0);
  lean_inc(x_17);
  x_18 = lean_ctor_get(x_16, 1);
  lean_inc(x_18);
  lean_dec(x_16);
  lean_inc(x_2);
  lean_inc(x_1);
  x_19 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__6___lambda__1___boxed), 10, 2);
  lean_closure_set(x_19, 0, x_1);
  lean_closure_set(x_19, 1, x_2);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  x_20 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5___rarg(x_17, x_19, x_7, x_8, x_9, x_10, x_11, x_18);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; size_t x_24; size_t x_25; 
  x_21 = lean_ctor_get(x_20, 0);
  lean_inc(x_21);
  x_22 = lean_ctor_get(x_20, 1);
  lean_inc(x_22);
  lean_dec(x_20);
  x_23 = l_Lean_mkApp(x_6, x_21);
  x_24 = 1;
  x_25 = x_5 + x_24;
  x_5 = x_25;
  x_6 = x_23;
  x_12 = x_22;
  goto _start;
  }
  else
  {
  uint8_t x_27; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_27 = !lean_is_exclusive(x_20);
  if (x_27 == 0)
  {
  return x_20;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_20, 0);
  x_29 = lean_ctor_get(x_20, 1);
  lean_inc(x_29);
  lean_inc(x_28);
  lean_dec(x_20);
  x_30 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  return x_30;
  }
  }
  }
  else
  {
  uint8_t x_31; 
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_31 = !lean_is_exclusive(x_16);
  if (x_31 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_32 = lean_ctor_get(x_16, 0);
  x_33 = lean_ctor_get(x_16, 1);
  lean_inc(x_33);
  lean_inc(x_32);
  lean_dec(x_16);
  x_34 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_34, 0, x_32);
  lean_ctor_set(x_34, 1, x_33);
  return x_34;
  }
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_9 = l_Lean_Meta_whnf(x_2, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_9) == 0)
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_9, 1);
  lean_inc(x_11);
  lean_dec(x_9);
  x_12 = l_myMacro____x40_Init_Notation___hyg_7361____closed__4;
  x_13 = lean_unsigned_to_nat(3u);
  x_14 = l_Lean_Expr_isAppOfArity(x_10, x_12, x_13);
  if (x_14 == 0)
  {
  lean_object* x_15; 
  lean_dec(x_10);
  lean_dec(x_1);
  x_15 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_11);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_15;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_16 = l_Lean_Expr_appFn_x21(x_10);
  x_17 = l_Lean_Expr_appArg_x21(x_16);
  lean_dec(x_16);
  x_18 = l_Lean_Expr_appArg_x21(x_10);
  lean_dec(x_10);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_18);
  lean_inc(x_17);
  x_19 = l_Lean_Meta_isExprDefEq(x_17, x_18, x_4, x_5, x_6, x_7, x_11);
  if (lean_obj_tag(x_19) == 0)
  {
  lean_object* x_20; uint8_t x_21; 
  x_20 = lean_ctor_get(x_19, 0);
  lean_inc(x_20);
  x_21 = lean_unbox(x_20);
  lean_dec(x_20);
  if (x_21 == 0)
  {
  lean_object* x_22; lean_object* x_23; 
  x_22 = lean_ctor_get(x_19, 1);
  lean_inc(x_22);
  lean_dec(x_19);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_23 = l_Lean_Meta_unfoldDefinition(x_17, x_4, x_5, x_6, x_7, x_22);
  if (lean_obj_tag(x_23) == 0)
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_24 = lean_ctor_get(x_23, 0);
  lean_inc(x_24);
  x_25 = lean_ctor_get(x_23, 1);
  lean_inc(x_25);
  lean_dec(x_23);
  x_26 = l_Lean_Expr_appArg_x21(x_18);
  lean_dec(x_18);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_27 = l_Lean_Meta_mkSizeOfSpecLemmaInstance(x_26, x_4, x_5, x_6, x_7, x_25);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_27, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_27, 1);
  lean_inc(x_29);
  lean_dec(x_27);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_28);
  x_30 = l_Lean_Meta_inferType(x_28, x_4, x_5, x_6, x_7, x_29);
  if (lean_obj_tag(x_30) == 0)
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_30, 0);
  lean_inc(x_31);
  x_32 = lean_ctor_get(x_30, 1);
  lean_inc(x_32);
  lean_dec(x_30);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_33 = l_Lean_Meta_whnf(x_31, x_4, x_5, x_6, x_7, x_32);
  if (lean_obj_tag(x_33) == 0)
  {
  lean_object* x_34; lean_object* x_35; uint8_t x_36; 
  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_33, 1);
  lean_inc(x_35);
  lean_dec(x_33);
  x_36 = l_Lean_Expr_isAppOfArity(x_34, x_12, x_13);
  if (x_36 == 0)
  {
  lean_object* x_37; 
  lean_dec(x_34);
  lean_dec(x_28);
  lean_dec(x_24);
  lean_dec(x_1);
  x_37 = l_Lean_Meta_SizeOfSpecNested_throwFailed___rarg(x_3, x_4, x_5, x_6, x_7, x_35);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_37;
  }
  else
  {
  lean_object* x_38; lean_object* x_39; 
  x_38 = l_Lean_Expr_appArg_x21(x_34);
  lean_dec(x_34);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_39 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof(x_1, x_24, x_38, x_3, x_4, x_5, x_6, x_7, x_35);
  if (lean_obj_tag(x_39) == 0)
  {
  lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  x_40 = lean_ctor_get(x_39, 0);
  lean_inc(x_40);
  x_41 = lean_ctor_get(x_39, 1);
  lean_inc(x_41);
  lean_dec(x_39);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_42 = l_Lean_Meta_mkEqSymm(x_28, x_4, x_5, x_6, x_7, x_41);
  if (lean_obj_tag(x_42) == 0)
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_43 = lean_ctor_get(x_42, 0);
  lean_inc(x_43);
  x_44 = lean_ctor_get(x_42, 1);
  lean_inc(x_44);
  lean_dec(x_42);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_45 = l_Lean_Meta_mkEqTrans(x_40, x_43, x_4, x_5, x_6, x_7, x_44);
  if (lean_obj_tag(x_45) == 0)
  {
  lean_object* x_46; lean_object* x_47; uint8_t x_48; uint8_t x_49; lean_object* x_50; 
  x_46 = lean_ctor_get(x_45, 0);
  lean_inc(x_46);
  x_47 = lean_ctor_get(x_45, 1);
  lean_inc(x_47);
  lean_dec(x_45);
  x_48 = 0;
  x_49 = 1;
  x_50 = l_Lean_Meta_mkLambdaFVars(x_1, x_46, x_48, x_49, x_4, x_5, x_6, x_7, x_47);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  return x_50;
  }
  else
  {
  uint8_t x_51; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_51 = !lean_is_exclusive(x_45);
  if (x_51 == 0)
  {
  return x_45;
  }
  else
  {
  lean_object* x_52; lean_object* x_53; lean_object* x_54; 
  x_52 = lean_ctor_get(x_45, 0);
  x_53 = lean_ctor_get(x_45, 1);
  lean_inc(x_53);
  lean_inc(x_52);
  lean_dec(x_45);
  x_54 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_54, 0, x_52);
  lean_ctor_set(x_54, 1, x_53);
  return x_54;
  }
  }
  }
  else
  {
  uint8_t x_55; 
  lean_dec(x_40);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_55 = !lean_is_exclusive(x_42);
  if (x_55 == 0)
  {
  return x_42;
  }
  else
  {
  lean_object* x_56; lean_object* x_57; lean_object* x_58; 
  x_56 = lean_ctor_get(x_42, 0);
  x_57 = lean_ctor_get(x_42, 1);
  lean_inc(x_57);
  lean_inc(x_56);
  lean_dec(x_42);
  x_58 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_58, 0, x_56);
  lean_ctor_set(x_58, 1, x_57);
  return x_58;
  }
  }
  }
  else
  {
  uint8_t x_59; 
  lean_dec(x_28);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_59 = !lean_is_exclusive(x_39);
  if (x_59 == 0)
  {
  return x_39;
  }
  else
  {
  lean_object* x_60; lean_object* x_61; lean_object* x_62; 
  x_60 = lean_ctor_get(x_39, 0);
  x_61 = lean_ctor_get(x_39, 1);
  lean_inc(x_61);
  lean_inc(x_60);
  lean_dec(x_39);
  x_62 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_62, 0, x_60);
  lean_ctor_set(x_62, 1, x_61);
  return x_62;
  }
  }
  }
  }
  else
  {
  uint8_t x_63; 
  lean_dec(x_28);
  lean_dec(x_24);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_63 = !lean_is_exclusive(x_33);
  if (x_63 == 0)
  {
  return x_33;
  }
  else
  {
  lean_object* x_64; lean_object* x_65; lean_object* x_66; 
  x_64 = lean_ctor_get(x_33, 0);
  x_65 = lean_ctor_get(x_33, 1);
  lean_inc(x_65);
  lean_inc(x_64);
  lean_dec(x_33);
  x_66 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_66, 0, x_64);
  lean_ctor_set(x_66, 1, x_65);
  return x_66;
  }
  }
  }
  else
  {
  uint8_t x_67; 
  lean_dec(x_28);
  lean_dec(x_24);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_67 = !lean_is_exclusive(x_30);
  if (x_67 == 0)
  {
  return x_30;
  }
  else
  {
  lean_object* x_68; lean_object* x_69; lean_object* x_70; 
  x_68 = lean_ctor_get(x_30, 0);
  x_69 = lean_ctor_get(x_30, 1);
  lean_inc(x_69);
  lean_inc(x_68);
  lean_dec(x_30);
  x_70 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_70, 0, x_68);
  lean_ctor_set(x_70, 1, x_69);
  return x_70;
  }
  }
  }
  else
  {
  uint8_t x_71; 
  lean_dec(x_24);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_71 = !lean_is_exclusive(x_27);
  if (x_71 == 0)
  {
  return x_27;
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; 
  x_72 = lean_ctor_get(x_27, 0);
  x_73 = lean_ctor_get(x_27, 1);
  lean_inc(x_73);
  lean_inc(x_72);
  lean_dec(x_27);
  x_74 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_74, 0, x_72);
  lean_ctor_set(x_74, 1, x_73);
  return x_74;
  }
  }
  }
  else
  {
  uint8_t x_75; 
  lean_dec(x_18);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_75 = !lean_is_exclusive(x_23);
  if (x_75 == 0)
  {
  return x_23;
  }
  else
  {
  lean_object* x_76; lean_object* x_77; lean_object* x_78; 
  x_76 = lean_ctor_get(x_23, 0);
  x_77 = lean_ctor_get(x_23, 1);
  lean_inc(x_77);
  lean_inc(x_76);
  lean_dec(x_23);
  x_78 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_78, 0, x_76);
  lean_ctor_set(x_78, 1, x_77);
  return x_78;
  }
  }
  }
  else
  {
  lean_object* x_79; lean_object* x_80; 
  lean_dec(x_17);
  lean_dec(x_3);
  x_79 = lean_ctor_get(x_19, 1);
  lean_inc(x_79);
  lean_dec(x_19);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_80 = l_Lean_Meta_mkEqRefl(x_18, x_4, x_5, x_6, x_7, x_79);
  if (lean_obj_tag(x_80) == 0)
  {
  lean_object* x_81; lean_object* x_82; uint8_t x_83; uint8_t x_84; lean_object* x_85; 
  x_81 = lean_ctor_get(x_80, 0);
  lean_inc(x_81);
  x_82 = lean_ctor_get(x_80, 1);
  lean_inc(x_82);
  lean_dec(x_80);
  x_83 = 0;
  x_84 = 1;
  x_85 = l_Lean_Meta_mkLambdaFVars(x_1, x_81, x_83, x_84, x_4, x_5, x_6, x_7, x_82);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  return x_85;
  }
  else
  {
  uint8_t x_86; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_86 = !lean_is_exclusive(x_80);
  if (x_86 == 0)
  {
  return x_80;
  }
  else
  {
  lean_object* x_87; lean_object* x_88; lean_object* x_89; 
  x_87 = lean_ctor_get(x_80, 0);
  x_88 = lean_ctor_get(x_80, 1);
  lean_inc(x_88);
  lean_inc(x_87);
  lean_dec(x_80);
  x_89 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_89, 0, x_87);
  lean_ctor_set(x_89, 1, x_88);
  return x_89;
  }
  }
  }
  }
  else
  {
  uint8_t x_90; 
  lean_dec(x_18);
  lean_dec(x_17);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_90 = !lean_is_exclusive(x_19);
  if (x_90 == 0)
  {
  return x_19;
  }
  else
  {
  lean_object* x_91; lean_object* x_92; lean_object* x_93; 
  x_91 = lean_ctor_get(x_19, 0);
  x_92 = lean_ctor_get(x_19, 1);
  lean_inc(x_92);
  lean_inc(x_91);
  lean_dec(x_19);
  x_93 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_93, 0, x_91);
  lean_ctor_set(x_93, 1, x_92);
  return x_93;
  }
  }
  }
  }
  else
  {
  uint8_t x_94; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_1);
  x_94 = !lean_is_exclusive(x_9);
  if (x_94 == 0)
  {
  return x_9;
  }
  else
  {
  lean_object* x_95; lean_object* x_96; lean_object* x_97; 
  x_95 = lean_ctor_get(x_9, 0);
  x_96 = lean_ctor_get(x_9, 1);
  lean_inc(x_96);
  lean_inc(x_95);
  lean_dec(x_9);
  x_97 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_97, 0, x_95);
  lean_ctor_set(x_97, 1, x_96);
  return x_97;
  }
  }
  }
  }
  static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___lambda__1), 8, 0);
  return x_1;
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  uint8_t x_11; 
  x_11 = x_3 < x_2;
  if (x_11 == 0)
  {
  lean_object* x_12; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  x_12 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_12, 0, x_4);
  lean_ctor_set(x_12, 1, x_10);
  return x_12;
  }
  else
  {
  lean_object* x_13; lean_object* x_14; 
  x_13 = lean_array_uget(x_1, x_3);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  x_14 = l_Lean_Meta_inferType(x_13, x_6, x_7, x_8, x_9, x_10);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_14, 1);
  lean_inc(x_16);
  lean_dec(x_14);
  x_17 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__7___closed__1;
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  x_18 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemmaProof___spec__5___rarg(x_15, x_17, x_5, x_6, x_7, x_8, x_9, x_16);
  if (lean_obj_tag(x_18) == 0)
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = l_Lean_mkApp(x_4, x_19);
  x_22 = 1;
  x_23 = x_3 + x_22;
  x_3 = x_23;
  x_4 = x_21;
  x_10 = x_20;
  goto _start;
  }
  else
  {
  uint8_t x_25; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_25 = !lean_is_exclusive(x_18);
  if (x_25 == 0)
  {
  return x_18;
  }
  else
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_26 = lean_ctor_get(x_18, 0);
  x_27 = lean_ctor_get(x_18, 1);
  lean_inc(x_27);
  lean_inc(x_26);
  lean_dec(x_18);
  x_28 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  return x_28;
  }
  }
  }
  else
  {
  uint8_t x_29; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_29 = !lean_is_exclusive(x_14);
  if (x_29 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_30; lean_object* x_31; lean_object* x_32; 
  x_30 = lean_ctor_get(x_14, 0);
  x_31 = lean_ctor_get(x_14, 1);
  lean_inc(x_31);
  lean_inc(x_30);
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  lean_object* x_12; lean_object* x_13; 
  x_12 = lean_ctor_get(x_9, 1);
  lean_inc(x_12);
  lean_dec(x_9);
  lean_inc(x_3);
  x_13 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_recToSizeOf(x_1, x_3, x_4, x_5, x_6, x_7, x_12);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma(x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_15);
  return x_16;
  }
  else
  {
  uint8_t x_17; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_17 = !lean_is_exclusive(x_13);
  if (x_17 == 0)
  {
  return x_13;
  }
  else
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = lean_ctor_get(x_13, 0);
  x_19 = lean_ctor_get(x_13, 1);
  lean_inc(x_19);
  lean_inc(x_18);
  lean_dec(x_13);
  x_20 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_20, 0, x_18);
  lean_ctor_set(x_20, 1, x_19);
  return x_20;
  }
  }
  }
  else
  {
  lean_object* x_21; lean_object* x_22; 
  lean_dec(x_3);
  lean_dec(x_1);
  x_21 = lean_ctor_get(x_9, 1);
  lean_inc(x_21);
  lean_dec(x_9);
  x_22 = l_Lean_Meta_mkEqRefl(x_2, x_4, x_5, x_6, x_7, x_21);
  return x_22;
  }
  }
  else
  {
  uint8_t x_23; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_23 = !lean_is_exclusive(x_9);
  if (x_23 == 0)
  {
  return x_9;
  }
  else
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_24 = lean_ctor_get(x_9, 0);
  x_25 = lean_ctor_get(x_9, 1);
  lean_inc(x_25);
  lean_inc(x_24);
  lean_dec(x_9);
  x_26 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_26, 0, x_24);
  lean_ctor_set(x_26, 1, x_25);
  return x_26;
  }
  }
  }
  }
  static lean_object* _init_l_Lean_Meta_SizeOfSpecNested_main_loop___closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("loop");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_SizeOfSpecNested_main_loop___closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMotives_loop___rarg___closed__3;
  x_2 = l_Lean_Meta_SizeOfSpecNested_main_loop___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l_Lean_Meta_SizeOfSpecNested_main_loop(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; uint8_t x_86; lean_object* x_87; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
  x_100 = lean_st_ref_get(x_7, x_8);
  x_101 = lean_ctor_get(x_100, 0);
  lean_inc(x_101);
  x_102 = lean_ctor_get(x_101, 3);
  lean_inc(x_102);
  lean_dec(x_101);
  x_103 = lean_ctor_get_uint8(x_102, sizeof(void*)*1);
  lean_dec(x_102);
  if (x_103 == 0)
  {
  lean_object* x_104; uint8_t x_105; 
  x_104 = lean_ctor_get(x_100, 1);
  lean_inc(x_104);
  lean_dec(x_100);
  x_105 = 0;
  x_86 = x_105;
  x_87 = x_104;
  goto block_99;
  }
  else
  {
  lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; 
  x_106 = lean_ctor_get(x_100, 1);
  lean_inc(x_106);
  lean_dec(x_100);
  x_107 = l_Lean_Meta_SizeOfSpecNested_main_loop___closed__2;
  x_108 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__2(x_107, x_3, x_4, x_5, x_6, x_7, x_106);
  x_109 = lean_ctor_get(x_108, 0);
  lean_inc(x_109);
  x_110 = lean_ctor_get(x_108, 1);
  lean_inc(x_110);
  lean_dec(x_108);
  x_111 = lean_unbox(x_109);
  lean_dec(x_109);
  x_86 = x_111;
  x_87 = x_110;
  goto block_99;
  }
  block_85:
  {
  lean_object* x_10; 
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_2);
  lean_inc(x_1);
  x_10 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_4, x_5, x_6, x_7, x_9);
  if (lean_obj_tag(x_10) == 0)
  {
  lean_object* x_11; uint8_t x_12; 
  x_11 = lean_ctor_get(x_10, 0);
  lean_inc(x_11);
  x_12 = lean_unbox(x_11);
  lean_dec(x_11);
  if (x_12 == 0)
  {
  lean_object* x_13; lean_object* x_14; 
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_dec(x_10);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_1);
  x_14 = l_Lean_Meta_whnfI(x_1, x_4, x_5, x_6, x_7, x_13);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; 
  x_15 = lean_ctor_get(x_14, 0);
  lean_inc(x_15);
  x_16 = lean_ctor_get(x_14, 1);
  lean_inc(x_16);
  lean_dec(x_14);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_2);
  x_17 = l_Lean_Meta_whnfI(x_2, x_4, x_5, x_6, x_7, x_16);
  if (lean_obj_tag(x_17) == 0)
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_18 = lean_ctor_get(x_17, 0);
  lean_inc(x_18);
  x_19 = lean_ctor_get(x_17, 1);
  lean_inc(x_19);
  lean_dec(x_17);
  x_20 = l_Lean_Expr_natAdd_x3f(x_15);
  lean_dec(x_15);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  lean_dec(x_18);
  x_21 = l_Lean_indentExpr(x_1);
  x_22 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2;
  x_23 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_23, 0, x_22);
  lean_ctor_set(x_23, 1, x_21);
  x_24 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4;
  x_25 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_25, 0, x_23);
  lean_ctor_set(x_25, 1, x_24);
  x_26 = l_Lean_indentExpr(x_2);
  x_27 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_27, 0, x_25);
  lean_ctor_set(x_27, 1, x_26);
  x_28 = l_Lean_KernelException_toMessageData___closed__15;
  x_29 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_29, 0, x_27);
  lean_ctor_set(x_29, 1, x_28);
  x_30 = l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg(x_29, x_3, x_4, x_5, x_6, x_7, x_19);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_30;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; 
  x_31 = lean_ctor_get(x_20, 0);
  lean_inc(x_31);
  lean_dec(x_20);
  x_32 = l_Lean_Expr_natAdd_x3f(x_18);
  lean_dec(x_18);
  if (lean_obj_tag(x_32) == 0)
  {
  lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
  lean_dec(x_31);
  x_33 = l_Lean_indentExpr(x_1);
  x_34 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__2;
  x_35 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_35, 0, x_34);
  lean_ctor_set(x_35, 1, x_33);
  x_36 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__4;
  x_37 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_37, 0, x_35);
  lean_ctor_set(x_37, 1, x_36);
  x_38 = l_Lean_indentExpr(x_2);
  x_39 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_39, 0, x_37);
  lean_ctor_set(x_39, 1, x_38);
  x_40 = l_Lean_KernelException_toMessageData___closed__15;
  x_41 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_41, 0, x_39);
  lean_ctor_set(x_41, 1, x_40);
  x_42 = l_Lean_Meta_SizeOfSpecNested_throwUnexpected___rarg(x_41, x_3, x_4, x_5, x_6, x_7, x_19);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  return x_42;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
  lean_dec(x_2);
  lean_dec(x_1);
  x_43 = lean_ctor_get(x_32, 0);
  lean_inc(x_43);
  lean_dec(x_32);
  x_44 = lean_ctor_get(x_31, 0);
  lean_inc(x_44);
  x_45 = lean_ctor_get(x_31, 1);
  lean_inc(x_45);
  lean_dec(x_31);
  x_46 = lean_ctor_get(x_43, 0);
  lean_inc(x_46);
  x_47 = lean_ctor_get(x_43, 1);
  lean_inc(x_47);
  lean_dec(x_43);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  x_48 = l_Lean_Meta_SizeOfSpecNested_main_loop(x_44, x_46, x_3, x_4, x_5, x_6, x_7, x_19);
  if (lean_obj_tag(x_48) == 0)
  {
  lean_object* x_49; lean_object* x_50; lean_object* x_51; 
  x_49 = lean_ctor_get(x_48, 0);
  lean_inc(x_49);
  x_50 = lean_ctor_get(x_48, 1);
  lean_inc(x_50);
  lean_dec(x_48);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_51 = l_Lean_Meta_SizeOfSpecNested_main_step(x_45, x_47, x_3, x_4, x_5, x_6, x_7, x_50);
  if (lean_obj_tag(x_51) == 0)
  {
  lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  x_52 = lean_ctor_get(x_51, 0);
  lean_inc(x_52);
  x_53 = lean_ctor_get(x_51, 1);
  lean_inc(x_53);
  lean_dec(x_51);
  x_54 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___closed__5;
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_55 = l_Lean_Meta_mkCongrArg(x_54, x_49, x_4, x_5, x_6, x_7, x_53);
  if (lean_obj_tag(x_55) == 0)
  {
  lean_object* x_56; lean_object* x_57; lean_object* x_58; 
  x_56 = lean_ctor_get(x_55, 0);
  lean_inc(x_56);
  x_57 = lean_ctor_get(x_55, 1);
  lean_inc(x_57);
  lean_dec(x_55);
  x_58 = l_Lean_Meta_mkCongr(x_56, x_52, x_4, x_5, x_6, x_7, x_57);
  return x_58;
  }
  else
  {
  uint8_t x_59; 
  lean_dec(x_52);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_59 = !lean_is_exclusive(x_55);
  if (x_59 == 0)
  {
  return x_55;
  }
  else
  {
  lean_object* x_60; lean_object* x_61; lean_object* x_62; 
  x_60 = lean_ctor_get(x_55, 0);
  x_61 = lean_ctor_get(x_55, 1);
  lean_inc(x_61);
  lean_inc(x_60);
  lean_dec(x_55);
  x_62 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_62, 0, x_60);
  lean_ctor_set(x_62, 1, x_61);
  return x_62;
  }
  }
  }
  else
  {
  uint8_t x_63; 
  lean_dec(x_49);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  x_63 = !lean_is_exclusive(x_51);
  if (x_63 == 0)
  {
  return x_51;
  }
  else
  {
  lean_object* x_64; lean_object* x_65; lean_object* x_66; 
  x_64 = lean_ctor_get(x_51, 0);
  x_65 = lean_ctor_get(x_51, 1);
  lean_inc(x_65);
  lean_inc(x_64);
  lean_dec(x_51);
  x_66 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_66, 0, x_64);
  lean_ctor_set(x_66, 1, x_65);
  return x_66;
  }
  }
  }
  else
  {
  uint8_t x_67; 
  lean_dec(x_47);
  lean_dec(x_45);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  x_67 = !lean_is_exclusive(x_48);
  if (x_67 == 0)
  {
  return x_48;
  }
  else
  {
  lean_object* x_68; lean_object* x_69; lean_object* x_70; 
  x_68 = lean_ctor_get(x_48, 0);
  x_69 = lean_ctor_get(x_48, 1);
  lean_inc(x_69);
  lean_inc(x_68);
  lean_dec(x_48);
  x_70 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_70, 0, x_68);
  lean_ctor_set(x_70, 1, x_69);
  return x_70;
  }
  }
  }
  }
  }
  else
  {
  uint8_t x_71; 
  lean_dec(x_15);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_71 = !lean_is_exclusive(x_17);
  if (x_71 == 0)
  {
  return x_17;
  }
  else
  {
  lean_object* x_72; lean_object* x_73; lean_object* x_74; 
  x_72 = lean_ctor_get(x_17, 0);
  x_73 = lean_ctor_get(x_17, 1);
  lean_inc(x_73);
  lean_inc(x_72);
  lean_dec(x_17);
  x_74 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_74, 0, x_72);
  lean_ctor_set(x_74, 1, x_73);
  return x_74;
  }
  }
  }
  else
  {
  uint8_t x_75; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_75 = !lean_is_exclusive(x_14);
  if (x_75 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_76; lean_object* x_77; lean_object* x_78; 
  x_76 = lean_ctor_get(x_14, 0);
  x_77 = lean_ctor_get(x_14, 1);
  lean_inc(x_77);
  lean_inc(x_76);
  lean_dec(x_14);
  x_78 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_78, 0, x_76);
  lean_ctor_set(x_78, 1, x_77);
  return x_78;
  }
  }
  }
  else
  {
  lean_object* x_79; lean_object* x_80; 
  lean_dec(x_3);
  lean_dec(x_1);
  x_79 = lean_ctor_get(x_10, 1);
  lean_inc(x_79);
  lean_dec(x_10);
  x_80 = l_Lean_Meta_mkEqRefl(x_2, x_4, x_5, x_6, x_7, x_79);
  return x_80;
  }
  }
  else
  {
  uint8_t x_81; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_81 = !lean_is_exclusive(x_10);
  if (x_81 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_82; lean_object* x_83; lean_object* x_84; 
  x_82 = lean_ctor_get(x_10, 0);
  x_83 = lean_ctor_get(x_10, 1);
  lean_inc(x_83);
  lean_inc(x_82);
  lean_dec(x_10);
  x_84 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_84, 0, x_82);
  lean_ctor_set(x_84, 1, x_83);
  return x_84;
  }
  }
  }
  block_99:
  {
  if (x_86 == 0)
  {
  x_9 = x_87;
  goto block_85;
  }
  else
  {
  lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
  lean_inc(x_1);
  x_88 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_88, 0, x_1);
  x_89 = l_Lean_KernelException_toMessageData___closed__15;
  x_90 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_90, 0, x_89);
  lean_ctor_set(x_90, 1, x_88);
  x_91 = l_Lean_Meta_isLevelDefEqAux___closed__5;
  x_92 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_92, 0, x_90);
  lean_ctor_set(x_92, 1, x_91);
  lean_inc(x_2);
  x_93 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_93, 0, x_2);
  x_94 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_94, 0, x_92);
  lean_ctor_set(x_94, 1, x_93);
  x_95 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_95, 0, x_94);
  lean_ctor_set(x_95, 1, x_89);
  x_96 = l_Lean_Meta_SizeOfSpecNested_main_loop___closed__2;
  x_97 = l_Lean_addTrace___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkMinorProof___spec__1(x_96, x_95, x_3, x_4, x_5, x_6, x_7, x_87);
  x_98 = lean_ctor_get(x_97, 1);
  lean_inc(x_98);
  lean_dec(x_97);
  x_9 = x_98;
  goto block_85;
  }
  }
  }
  }
  lean_object* l_Lean_Meta_SizeOfSpecNested_main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_2);
  lean_inc(x_1);
  x_9 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_9) == 0)
  {
  lean_object* x_10; uint8_t x_11; 
  x_10 = lean_ctor_get(x_9, 0);
  lean_inc(x_10);
  x_11 = lean_unbox(x_10);
  lean_dec(x_10);
  if (x_11 == 0)
  {
  lean_object* x_12; lean_object* x_13; 
  x_12 = lean_ctor_get(x_9, 1);
  lean_inc(x_12);
  lean_dec(x_9);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_13 = l_Lean_Meta_whnfI(x_1, x_4, x_5, x_6, x_7, x_12);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; 
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_16 = l_Lean_Meta_unfoldDefinition(x_14, x_4, x_5, x_6, x_7, x_15);
  if (lean_obj_tag(x_16) == 0)
  {
  lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_17 = lean_ctor_get(x_16, 0);
  lean_inc(x_17);
  x_18 = lean_ctor_get(x_16, 1);
  lean_inc(x_18);
  lean_dec(x_16);
  x_19 = l_Lean_Meta_SizeOfSpecNested_main_loop(x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_18);
  return x_19;
  }
  else
  {
  uint8_t x_20; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_20 = !lean_is_exclusive(x_16);
  if (x_20 == 0)
  {
  return x_16;
  }
  else
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_21 = lean_ctor_get(x_16, 0);
  x_22 = lean_ctor_get(x_16, 1);
  lean_inc(x_22);
  lean_inc(x_21);
  lean_dec(x_16);
  x_23 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_23, 0, x_21);
  lean_ctor_set(x_23, 1, x_22);
  return x_23;
  }
  }
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_24 = !lean_is_exclusive(x_13);
  if (x_24 == 0)
  {
  return x_13;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_13, 0);
  x_26 = lean_ctor_get(x_13, 1);
  lean_inc(x_26);
  lean_inc(x_25);
  lean_dec(x_13);
  x_27 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_27, 0, x_25);
  lean_ctor_set(x_27, 1, x_26);
  return x_27;
  }
  }
  }
  else
  {
  lean_object* x_28; lean_object* x_29; 
  lean_dec(x_3);
  lean_dec(x_1);
  x_28 = lean_ctor_get(x_9, 1);
  lean_inc(x_28);
  lean_dec(x_9);
  x_29 = l_Lean_Meta_mkEqRefl(x_2, x_4, x_5, x_6, x_7, x_28);
  return x_29;
  }
  }
  else
  {
  uint8_t x_30; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_30 = !lean_is_exclusive(x_9);
  if (x_30 == 0)
  {
  return x_9;
  }
  else
  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_9, 0);
  x_32 = lean_ctor_get(x_9, 1);
  lean_inc(x_32);
  lean_inc(x_31);
  lean_dec(x_9);
  x_33 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_33, 0, x_31);
  lean_ctor_set(x_33, 1, x_32);
  return x_33;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; uint8_t x_9; 
  x_7 = lean_ctor_get(x_4, 3);
  x_8 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  x_9 = !lean_is_exclusive(x_8);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_7);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_7);
  lean_ctor_set(x_11, 1, x_10);
  lean_ctor_set_tag(x_8, 1);
  lean_ctor_set(x_8, 0, x_11);
  return x_8;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_12 = lean_ctor_get(x_8, 0);
  x_13 = lean_ctor_get(x_8, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_8);
  lean_inc(x_7);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  x_15 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_15, 0, x_14);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  }
  }
  lean_object* l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  lean_inc(x_1);
  x_7 = l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  if (lean_obj_tag(x_7) == 0)
  {
  lean_object* x_8; 
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  if (lean_obj_tag(x_8) == 6)
  {
  uint8_t x_9; 
  lean_dec(x_1);
  x_9 = !lean_is_exclusive(x_7);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_7, 0);
  lean_dec(x_10);
  x_11 = lean_ctor_get(x_8, 0);
  lean_inc(x_11);
  lean_dec(x_8);
  lean_ctor_set(x_7, 0, x_11);
  return x_7;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  x_12 = lean_ctor_get(x_7, 1);
  lean_inc(x_12);
  lean_dec(x_7);
  x_13 = lean_ctor_get(x_8, 0);
  lean_inc(x_13);
  lean_dec(x_8);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_13);
  lean_ctor_set(x_14, 1, x_12);
  return x_14;
  }
  }
  else
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  lean_dec(x_8);
  x_15 = lean_ctor_get(x_7, 1);
  lean_inc(x_15);
  lean_dec(x_7);
  x_16 = lean_box(0);
  x_17 = l_Lean_mkConst(x_1, x_16);
  x_18 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_18, 0, x_17);
  x_19 = l_Lean_KernelException_toMessageData___closed__3;
  x_20 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_20, 0, x_19);
  lean_ctor_set(x_20, 1, x_18);
  x_21 = l_Lean_getConstInfoCtor___rarg___lambda__1___closed__2;
  x_22 = lean_alloc_ctor(10, 2, 0);
  lean_ctor_set(x_22, 0, x_20);
  lean_ctor_set(x_22, 1, x_21);
  x_23 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2(x_22, x_2, x_3, x_4, x_5, x_15);
  return x_23;
  }
  }
  else
  {
  uint8_t x_24; 
  lean_dec(x_1);
  x_24 = !lean_is_exclusive(x_7);
  if (x_24 == 0)
  {
  return x_7;
  }
  else
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; 
  x_25 = lean_ctor_get(x_7, 0);
  x_26 = lean_ctor_get(x_7, 1);
  lean_inc(x_26);
  lean_inc(x_25);
  lean_dec(x_7);
  x_27 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_27, 0, x_25);
  lean_ctor_set(x_27, 1, x_26);
  return x_27;
  }
  }
  }
  }
  lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  lean_object* x_12; lean_object* x_13; uint8_t x_19; 
  x_19 = x_5 < x_4;
  if (x_19 == 0)
  {
  lean_object* x_20; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_20 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_20, 0, x_6);
  lean_ctor_set(x_20, 1, x_11);
  return x_20;
  }
  else
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_21 = lean_ctor_get(x_3, 0);
  x_22 = lean_array_uget(x_21, x_5);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_22);
  x_23 = l_Lean_Meta_inferType(x_22, x_7, x_8, x_9, x_10, x_11);
  if (lean_obj_tag(x_23) == 0)
  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; 
  x_24 = lean_ctor_get(x_23, 0);
  lean_inc(x_24);
  x_25 = lean_ctor_get(x_23, 1);
  lean_inc(x_25);
  lean_dec(x_23);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  x_26 = l_Lean_Meta_whnf(x_24, x_7, x_8, x_9, x_10, x_25);
  if (lean_obj_tag(x_26) == 0)
  {
  lean_object* x_27; lean_object* x_28; uint8_t x_29; 
  x_27 = lean_ctor_get(x_26, 0);
  lean_inc(x_27);
  x_28 = lean_ctor_get(x_26, 1);
  lean_inc(x_28);
  lean_dec(x_26);
  x_29 = l_Lean_Expr_isForall(x_27);
  lean_dec(x_27);
  if (x_29 == 0)
  {
  lean_object* x_30; lean_object* x_31; 
  lean_inc(x_2);
  x_30 = lean_array_push(x_2, x_22);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_1);
  x_31 = l_Lean_Meta_mkAppM(x_1, x_30, x_7, x_8, x_9, x_10, x_28);
  if (lean_obj_tag(x_31) == 0)
  {
  lean_object* x_32; lean_object* x_33; lean_object* x_34; 
  x_32 = lean_ctor_get(x_31, 0);
  lean_inc(x_32);
  x_33 = lean_ctor_get(x_31, 1);
  lean_inc(x_33);
  lean_dec(x_31);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  x_34 = l_Lean_Meta_mkAdd(x_6, x_32, x_7, x_8, x_9, x_10, x_33);
  if (lean_obj_tag(x_34) == 0)
  {
  lean_object* x_35; lean_object* x_36; lean_object* x_37; 
  x_35 = lean_ctor_get(x_34, 0);
  lean_inc(x_35);
  x_36 = lean_ctor_get(x_34, 1);
  lean_inc(x_36);
  lean_dec(x_34);
  x_37 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_37, 0, x_35);
  x_12 = x_37;
  x_13 = x_36;
  goto block_18;
  }
  else
  {
  uint8_t x_38; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_38 = !lean_is_exclusive(x_34);
  if (x_38 == 0)
  {
  return x_34;
  }
  else
  {
  lean_object* x_39; lean_object* x_40; lean_object* x_41; 
  x_39 = lean_ctor_get(x_34, 0);
  x_40 = lean_ctor_get(x_34, 1);
  lean_inc(x_40);
  lean_inc(x_39);
  lean_dec(x_34);
  x_41 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_41, 0, x_39);
  lean_ctor_set(x_41, 1, x_40);
  return x_41;
  }
  }
  }
  else
  {
  uint8_t x_42; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_42 = !lean_is_exclusive(x_31);
  if (x_42 == 0)
  {
  return x_31;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  x_43 = lean_ctor_get(x_31, 0);
  x_44 = lean_ctor_get(x_31, 1);
  lean_inc(x_44);
  lean_inc(x_43);
  lean_dec(x_31);
  x_45 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_45, 0, x_43);
  lean_ctor_set(x_45, 1, x_44);
  return x_45;
  }
  }
  }
  else
  {
  lean_object* x_46; 
  lean_dec(x_22);
  x_46 = lean_alloc_ctor(1, 1, 0);
  lean_ctor_set(x_46, 0, x_6);
  x_12 = x_46;
  x_13 = x_28;
  goto block_18;
  }
  }
  else
  {
  uint8_t x_47; 
  lean_dec(x_22);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_47 = !lean_is_exclusive(x_26);
  if (x_47 == 0)
  {
  return x_26;
  }
  else
  {
  lean_object* x_48; lean_object* x_49; lean_object* x_50; 
  x_48 = lean_ctor_get(x_26, 0);
  x_49 = lean_ctor_get(x_26, 1);
  lean_inc(x_49);
  lean_inc(x_48);
  lean_dec(x_26);
  x_50 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_50, 0, x_48);
  lean_ctor_set(x_50, 1, x_49);
  return x_50;
  }
  }
  }
  else
  {
  uint8_t x_51; 
  lean_dec(x_22);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_2);
  lean_dec(x_1);
  x_51 = !lean_is_exclusive(x_23);
  if (x_51 == 0)
  {
  return x_23;
  }
  else
  {
  lean_object* x_52; lean_object* x_53; lean_object* x_54; 
  x_52 = lean_ctor_get(x_23, 0);
  x_53 = lean_ctor_get(x_23, 1);
  lean_inc(x_53);
  lean_inc(x_52);
  lean_dec(x_23);
  x_54 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_54, 0, x_52);
  lean_ctor_set(x_54, 1, x_53);
  return x_54;
  }
  }
  }
  block_18:
  {
  lean_object* x_14; size_t x_15; size_t x_16; 
  x_14 = lean_ctor_get(x_12, 0);
  lean_inc(x_14);
  lean_dec(x_12);
  x_15 = 1;
  x_16 = x_5 + x_15;
  x_5 = x_16;
  x_6 = x_14;
  x_11 = x_13;
  goto _start;
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; uint8_t x_9; 
  x_7 = lean_ctor_get(x_4, 3);
  x_8 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  x_9 = !lean_is_exclusive(x_8);
  if (x_9 == 0)
  {
  lean_object* x_10; lean_object* x_11; 
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_7);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_7);
  lean_ctor_set(x_11, 1, x_10);
  lean_ctor_set_tag(x_8, 1);
  lean_ctor_set(x_8, 0, x_11);
  return x_8;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
  x_12 = lean_ctor_get(x_8, 0);
  x_13 = lean_ctor_get(x_8, 1);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_dec(x_8);
  lean_inc(x_7);
  x_14 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_14, 0, x_7);
  lean_ctor_set(x_14, 1, x_12);
  x_15 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_15, 0, x_14);
  lean_ctor_set(x_15, 1, x_13);
  return x_15;
  }
  }
  }
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; 
  x_7 = lean_ctor_get(x_4, 0);
  lean_inc(x_7);
  x_8 = l_Lean_KernelException_toMessageData(x_1, x_7);
  x_9 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6(x_8, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_4);
  return x_9;
  }
  }
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
  x_7 = lean_st_ref_get(x_5, x_6);
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  x_9 = lean_ctor_get(x_7, 1);
  lean_inc(x_9);
  lean_dec(x_7);
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_add_decl(x_10, x_1);
  if (lean_obj_tag(x_11) == 0)
  {
  lean_object* x_12; lean_object* x_13; 
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  lean_dec(x_11);
  x_13 = l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5(x_12, x_2, x_3, x_4, x_5, x_9);
  return x_13;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; 
  x_14 = lean_ctor_get(x_11, 0);
  lean_inc(x_14);
  lean_dec(x_11);
  x_15 = l_Lean_setEnv___at_Lean_Meta_orelse___spec__1(x_14, x_2, x_3, x_4, x_5, x_9);
  lean_dec(x_4);
  return x_15;
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  uint8_t x_11; uint8_t x_12; lean_object* x_13; 
  x_11 = 0;
  x_12 = 1;
  lean_inc(x_6);
  x_13 = l_Lean_Meta_mkLambdaFVars(x_1, x_5, x_11, x_12, x_6, x_7, x_8, x_9, x_10);
  if (lean_obj_tag(x_13) == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
  x_14 = lean_ctor_get(x_13, 0);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_13, 1);
  lean_inc(x_15);
  lean_dec(x_13);
  x_16 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_16, 0, x_2);
  lean_ctor_set(x_16, 1, x_3);
  lean_ctor_set(x_16, 2, x_4);
  x_17 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_17, 0, x_16);
  lean_ctor_set(x_17, 1, x_14);
  x_18 = lean_alloc_ctor(2, 1, 0);
  lean_ctor_set(x_18, 0, x_17);
  x_19 = l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4(x_18, x_6, x_7, x_8, x_9, x_15);
  lean_dec(x_6);
  lean_dec(x_18);
  return x_19;
  }
  else
  {
  uint8_t x_20; 
  lean_dec(x_8);
  lean_dec(x_6);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
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  {
  return x_13;
  }
  else
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_21 = lean_ctor_get(x_13, 0);
  x_22 = lean_ctor_get(x_13, 1);
  lean_inc(x_22);
  lean_inc(x_21);
  lean_dec(x_13);
  x_23 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_23, 0, x_21);
  lean_ctor_set(x_23, 1, x_22);
  return x_23;
  }
  }
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
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  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
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  x_16 = lean_array_push(x_15, x_1);
  x_17 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfMinors_loop___spec__1___closed__1;
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  x_18 = l_Lean_Meta_mkAppM(x_17, x_16, x_10, x_11, x_12, x_13, x_14);
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  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
  x_19 = lean_ctor_get(x_18, 0);
  lean_inc(x_19);
  x_20 = lean_ctor_get(x_18, 1);
  lean_inc(x_20);
  lean_dec(x_18);
  x_21 = l_Lean_Literal_type___closed__3;
  x_22 = lean_unsigned_to_nat(1u);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  x_23 = l_Lean_Meta_mkNumeral(x_21, x_22, x_10, x_11, x_12, x_13, x_20);
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  {
  lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; lean_object* x_28; size_t x_29; lean_object* x_30; 
  x_24 = lean_ctor_get(x_23, 0);
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  x_25 = lean_ctor_get(x_23, 1);
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  x_27 = lean_usize_of_nat(x_26);
  x_28 = lean_ctor_get(x_2, 1);
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  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
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  {
  lean_object* x_31; lean_object* x_32; lean_object* x_33; 
  x_31 = lean_ctor_get(x_30, 0);
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  lean_inc(x_11);
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  x_33 = l_Lean_Meta_mkEq(x_19, x_31, x_10, x_11, x_12, x_13, x_32);
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  {
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  x_34 = lean_ctor_get(x_33, 0);
  lean_inc(x_34);
  x_35 = lean_ctor_get(x_33, 1);
  lean_inc(x_35);
  lean_dec(x_33);
  x_36 = l_Lean_Meta_mkSizeOfSpecLemmaName(x_3);
  lean_inc(x_4);
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  x_41 = 1;
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  {
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  {
  lean_object* x_44; lean_object* x_45; lean_object* x_46; 
  lean_dec(x_19);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_4);
  lean_dec(x_3);
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  x_45 = lean_ctor_get(x_42, 1);
  lean_inc(x_45);
  lean_dec(x_42);
  lean_inc(x_13);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  x_46 = l_Lean_Meta_mkEqRefl(x_31, x_10, x_11, x_12, x_13, x_45);
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  {
  lean_object* x_47; lean_object* x_48; lean_object* x_49; 
  x_47 = lean_ctor_get(x_46, 0);
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  lean_dec(x_11);
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  uint8_t x_50; 
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  lean_dec(x_39);
  lean_dec(x_36);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
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  lean_object* x_51; lean_object* x_52; lean_object* x_53; 
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  lean_inc(x_51);
  lean_dec(x_46);
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  lean_ctor_set(x_53, 1, x_52);
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  x_55 = lean_ctor_get(x_42, 1);
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  lean_ctor_set(x_56, 1, x_7);
  lean_ctor_set(x_56, 2, x_3);
  lean_ctor_set(x_56, 3, x_4);
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  lean_ctor_set(x_56, 5, x_8);
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  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  x_57 = l_Lean_Meta_SizeOfSpecNested_main(x_19, x_31, x_56, x_10, x_11, x_12, x_13, x_55);
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  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; 
  x_58 = lean_ctor_get(x_57, 0);
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  lean_inc(x_59);
  lean_dec(x_57);
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  lean_dec(x_13);
  lean_dec(x_11);
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  }
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  uint8_t x_61; 
  lean_dec(x_54);
  lean_dec(x_39);
  lean_dec(x_36);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_5);
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  {
  return x_57;
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  lean_object* x_62; lean_object* x_63; lean_object* x_64; 
  x_62 = lean_ctor_get(x_57, 0);
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  lean_inc(x_63);
  lean_inc(x_62);
  lean_dec(x_57);
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  lean_ctor_set(x_64, 0, x_62);
  lean_ctor_set(x_64, 1, x_63);
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  }
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  uint8_t x_65; 
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  lean_dec(x_36);
  lean_dec(x_31);
  lean_dec(x_19);
  lean_dec(x_13);
  lean_dec(x_12);
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  {
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  lean_object* x_66; lean_object* x_67; lean_object* x_68; 
  x_66 = lean_ctor_get(x_42, 0);
  x_67 = lean_ctor_get(x_42, 1);
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  lean_inc(x_66);
  lean_dec(x_42);
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  lean_ctor_set(x_68, 0, x_66);
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  uint8_t x_69; 
  lean_dec(x_31);
  lean_dec(x_19);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
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  lean_dec(x_4);
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  lean_object* x_70; lean_object* x_71; lean_object* x_72; 
  x_70 = lean_ctor_get(x_33, 0);
  x_71 = lean_ctor_get(x_33, 1);
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  lean_inc(x_70);
  lean_dec(x_33);
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  lean_ctor_set(x_72, 0, x_70);
  lean_ctor_set(x_72, 1, x_71);
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  else
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  uint8_t x_73; 
  lean_dec(x_19);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
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  {
  return x_30;
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  lean_object* x_74; lean_object* x_75; lean_object* x_76; 
  x_74 = lean_ctor_get(x_30, 0);
  x_75 = lean_ctor_get(x_30, 1);
  lean_inc(x_75);
  lean_inc(x_74);
  lean_dec(x_30);
  x_76 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_76, 0, x_74);
  lean_ctor_set(x_76, 1, x_75);
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  uint8_t x_77; 
  lean_dec(x_19);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
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  {
  return x_23;
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  lean_object* x_78; lean_object* x_79; lean_object* x_80; 
  x_78 = lean_ctor_get(x_23, 0);
  x_79 = lean_ctor_get(x_23, 1);
  lean_inc(x_79);
  lean_inc(x_78);
  lean_dec(x_23);
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  lean_ctor_set(x_80, 0, x_78);
  lean_ctor_set(x_80, 1, x_79);
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  }
  }
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  else
  {
  uint8_t x_81; 
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
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  if (x_81 == 0)
  {
  return x_18;
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  else
  {
  lean_object* x_82; lean_object* x_83; lean_object* x_84; 
  x_82 = lean_ctor_get(x_18, 0);
  x_83 = lean_ctor_get(x_18, 1);
  lean_inc(x_83);
  lean_inc(x_82);
  lean_dec(x_18);
  x_84 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_84, 0, x_82);
  lean_ctor_set(x_84, 1, x_83);
  return x_84;
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  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
  {
  lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
  x_15 = lean_ctor_get(x_1, 3);
  lean_inc(x_15);
  lean_dec(x_1);
  x_16 = lean_unsigned_to_nat(0u);
  lean_inc(x_15);
  lean_inc(x_8);
  x_17 = l_Array_toSubarray___rarg(x_8, x_16, x_15);
  x_18 = lean_array_get_size(x_8);
  lean_inc(x_8);
  x_19 = l_Array_toSubarray___rarg(x_8, x_15, x_18);
  lean_inc(x_2);
  x_20 = l_Lean_mkConst(x_2, x_3);
  x_21 = l_Lean_mkAppN(x_20, x_8);
  lean_dec(x_8);
  x_22 = l_Array_ofSubarray___rarg(x_17);
  lean_dec(x_17);
  lean_inc(x_22);
  x_23 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2___boxed), 14, 8);
  lean_closure_set(x_23, 0, x_21);
  lean_closure_set(x_23, 1, x_19);
  lean_closure_set(x_23, 2, x_2);
  lean_closure_set(x_23, 3, x_22);
  lean_closure_set(x_23, 4, x_4);
  lean_closure_set(x_23, 5, x_5);
  lean_closure_set(x_23, 6, x_6);
  lean_closure_set(x_23, 7, x_7);
  x_24 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg(x_22, x_23, x_10, x_11, x_12, x_13, x_14);
  return x_24;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
  _start:
  {
  lean_object* x_10; 
  lean_inc(x_4);
  x_10 = l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1(x_4, x_5, x_6, x_7, x_8, x_9);
  if (lean_obj_tag(x_10) == 0)
  {
  lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
  x_11 = lean_ctor_get(x_10, 0);
  lean_inc(x_11);
  x_12 = lean_ctor_get(x_11, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_10, 1);
  lean_inc(x_13);
  lean_dec(x_10);
  x_14 = lean_ctor_get(x_12, 1);
  lean_inc(x_14);
  x_15 = lean_ctor_get(x_12, 2);
  lean_inc(x_15);
  lean_dec(x_12);
  lean_inc(x_14);
  x_16 = l_List_map___at_Lean_mkConstWithLevelParams___spec__1(x_14);
  x_17 = lean_alloc_closure((void*)(l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3___boxed), 14, 7);
  lean_closure_set(x_17, 0, x_11);
  lean_closure_set(x_17, 1, x_4);
  lean_closure_set(x_17, 2, x_16);
  lean_closure_set(x_17, 3, x_14);
  lean_closure_set(x_17, 4, x_1);
  lean_closure_set(x_17, 5, x_2);
  lean_closure_set(x_17, 6, x_3);
  x_18 = l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(x_15, x_17, x_5, x_6, x_7, x_8, x_13);
  return x_18;
  }
  else
  {
  uint8_t x_19; 
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_19 = !lean_is_exclusive(x_10);
  if (x_19 == 0)
  {
  return x_10;
  }
  else
  {
  lean_object* x_20; lean_object* x_21; lean_object* x_22; 
  x_20 = lean_ctor_get(x_10, 0);
  x_21 = lean_ctor_get(x_10, 1);
  lean_inc(x_21);
  lean_inc(x_20);
  lean_dec(x_10);
  x_22 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_22, 0, x_20);
  lean_ctor_set(x_22, 1, x_21);
  return x_22;
  }
  }
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_getConstInfoCtor___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  size_t x_12; size_t x_13; lean_object* x_14; 
  x_12 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_13 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_14 = l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__3(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
  lean_dec(x_3);
  return x_14;
  }
  }
  lean_object* l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwError___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__6(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_throwKernelException___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__5(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_addDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___spec__4(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  return x_7;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  lean_object* x_11; 
  x_11 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
  lean_dec(x_9);
  lean_dec(x_7);
  return x_11;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
  {
  lean_object* x_15; 
  x_15 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
  lean_dec(x_2);
  return x_15;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
  _start:
  {
  lean_object* x_15; 
  x_15 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
  lean_dec(x_9);
  return x_15;
  }
  }
  lean_object* l_List_forIn_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
  _start:
  {
  if (lean_obj_tag(x_4) == 0)
  {
  lean_object* x_11; 
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_11 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_11, 0, x_5);
  lean_ctor_set(x_11, 1, x_10);
  return x_11;
  }
  else
  {
  lean_object* x_12; lean_object* x_13; lean_object* x_14; 
  lean_dec(x_5);
  x_12 = lean_ctor_get(x_4, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_4, 1);
  lean_inc(x_13);
  lean_dec(x_4);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_2);
  lean_inc(x_1);
  lean_inc(x_3);
  x_14 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorem(x_3, x_1, x_2, x_12, x_6, x_7, x_8, x_9, x_10);
  if (lean_obj_tag(x_14) == 0)
  {
  lean_object* x_15; lean_object* x_16; 
  x_15 = lean_ctor_get(x_14, 1);
  lean_inc(x_15);
  lean_dec(x_14);
  x_16 = lean_box(0);
  x_4 = x_13;
  x_5 = x_16;
  x_10 = x_15;
  goto _start;
  }
  else
  {
  uint8_t x_18; 
  lean_dec(x_13);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_18 = !lean_is_exclusive(x_14);
  if (x_18 == 0)
  {
  return x_14;
  }
  else
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_19 = lean_ctor_get(x_14, 0);
  x_20 = lean_ctor_get(x_14, 1);
  lean_inc(x_20);
  lean_inc(x_19);
  lean_dec(x_14);
  x_21 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_21, 0, x_19);
  lean_ctor_set(x_21, 1, x_20);
  return x_21;
  }
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  uint8_t x_12; 
  x_12 = x_5 < x_4;
  if (x_12 == 0)
  {
  lean_object* x_13; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_13 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_13, 0, x_6);
  lean_ctor_set(x_13, 1, x_11);
  return x_13;
  }
  else
  {
  lean_object* x_14; lean_object* x_15; 
  lean_dec(x_6);
  x_14 = lean_array_uget(x_3, x_5);
  x_15 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_14, x_7, x_8, x_9, x_10, x_11);
  if (lean_obj_tag(x_15) == 0)
  {
  lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_16 = lean_ctor_get(x_15, 0);
  lean_inc(x_16);
  x_17 = lean_ctor_get(x_15, 1);
  lean_inc(x_17);
  lean_dec(x_15);
  x_18 = lean_ctor_get(x_16, 4);
  lean_inc(x_18);
  x_19 = lean_box(0);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_8);
  lean_inc(x_7);
  lean_inc(x_2);
  lean_inc(x_1);
  x_20 = l_List_forIn_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__1(x_1, x_2, x_16, x_18, x_19, x_7, x_8, x_9, x_10, x_17);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; size_t x_22; size_t x_23; 
  x_21 = lean_ctor_get(x_20, 1);
  lean_inc(x_21);
  lean_dec(x_20);
  x_22 = 1;
  x_23 = x_5 + x_22;
  x_5 = x_23;
  x_6 = x_19;
  x_11 = x_21;
  goto _start;
  }
  else
  {
  uint8_t x_25; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_25 = !lean_is_exclusive(x_20);
  if (x_25 == 0)
  {
  return x_20;
  }
  else
  {
  lean_object* x_26; lean_object* x_27; lean_object* x_28; 
  x_26 = lean_ctor_get(x_20, 0);
  x_27 = lean_ctor_get(x_20, 1);
  lean_inc(x_27);
  lean_inc(x_26);
  lean_dec(x_20);
  x_28 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_28, 0, x_26);
  lean_ctor_set(x_28, 1, x_27);
  return x_28;
  }
  }
  }
  else
  {
  uint8_t x_29; 
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_2);
  lean_dec(x_1);
  x_29 = !lean_is_exclusive(x_15);
  if (x_29 == 0)
  {
  return x_15;
  }
  else
  {
  lean_object* x_30; lean_object* x_31; lean_object* x_32; 
  x_30 = lean_ctor_get(x_15, 0);
  x_31 = lean_ctor_get(x_15, 1);
  lean_inc(x_31);
  lean_inc(x_30);
  lean_dec(x_15);
  x_32 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_32, 0, x_30);
  lean_ctor_set(x_32, 1, x_31);
  return x_32;
  }
  }
  }
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
  x_9 = lean_array_get_size(x_1);
  x_10 = lean_usize_of_nat(x_9);
  lean_dec(x_9);
  x_11 = 0;
  x_12 = lean_box(0);
  x_13 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2(x_2, x_3, x_1, x_10, x_11, x_12, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_13) == 0)
  {
  uint8_t x_14; 
  x_14 = !lean_is_exclusive(x_13);
  if (x_14 == 0)
  {
  lean_object* x_15; 
  x_15 = lean_ctor_get(x_13, 0);
  lean_dec(x_15);
  lean_ctor_set(x_13, 0, x_12);
  return x_13;
  }
  else
  {
  lean_object* x_16; lean_object* x_17; 
  x_16 = lean_ctor_get(x_13, 1);
  lean_inc(x_16);
  lean_dec(x_13);
  x_17 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_17, 0, x_12);
  lean_ctor_set(x_17, 1, x_16);
  return x_17;
  }
  }
  else
  {
  uint8_t x_18; 
  x_18 = !lean_is_exclusive(x_13);
  if (x_18 == 0)
  {
  return x_13;
  }
  else
  {
  lean_object* x_19; lean_object* x_20; lean_object* x_21; 
  x_19 = lean_ctor_get(x_13, 0);
  x_20 = lean_ctor_get(x_13, 1);
  lean_inc(x_20);
  lean_inc(x_19);
  lean_dec(x_13);
  x_21 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_21, 0, x_19);
  lean_ctor_set(x_21, 1, x_20);
  return x_21;
  }
  }
  }
  }
  lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
  _start:
  {
  size_t x_12; size_t x_13; lean_object* x_14; 
  x_12 = lean_unbox_usize(x_4);
  lean_dec(x_4);
  x_13 = lean_unbox_usize(x_5);
  lean_dec(x_5);
  x_14 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___spec__2(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
  lean_dec(x_3);
  return x_14;
  }
  }
  lean_object* l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  lean_object* x_9; 
  x_9 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
  lean_dec(x_1);
  return x_9;
  }
  }
  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("genSizeOf");
  return x_1;
  }
  }
  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__2() {
  _start:
  {
  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__3() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("generate `SizeOf` instance for inductive types and structures");
  return x_1;
  }
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  _start:
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  uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
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  x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__3;
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  lean_ctor_set(x_5, 0, x_4);
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  lean_ctor_set(x_5, 2, x_3);
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  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433_(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; lean_object* x_3; lean_object* x_4; 
  x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__2;
  x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4433____closed__4;
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  return x_4;
  }
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  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__1() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("genSizeOfSpec");
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  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__2() {
  _start:
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  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__1;
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  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__3() {
  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("generate `SizeOf` specificiation theorems for automatically generated instances");
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  static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__4() {
  _start:
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  uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
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  x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__3;
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  lean_ctor_set(x_5, 2, x_3);
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  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455_(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; lean_object* x_3; lean_object* x_4; 
  x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4455____closed__2;
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  lean_object* l_Lean_Meta_mkSizeOfInstances_match__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
  _start:
  {
  if (lean_obj_tag(x_1) == 0)
  {
  lean_object* x_4; lean_object* x_5; 
  lean_dec(x_3);
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  x_5 = lean_apply_1(x_2, x_4);
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  }
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  {
  lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
  lean_dec(x_2);
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  lean_inc(x_6);
  lean_dec(x_1);
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  lean_inc(x_7);
  x_8 = lean_ctor_get(x_6, 1);
  lean_inc(x_8);
  lean_dec(x_6);
  x_9 = lean_apply_2(x_3, x_7, x_8);
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  }
  }
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  lean_object* l_Lean_Meta_mkSizeOfInstances_match__1(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfInstances_match__1___rarg), 3, 0);
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  }
  lean_object* l_Lean_Meta_mkSizeOfInstances_match__2___rarg(lean_object* x_1, lean_object* x_2) {
  _start:
  {
  lean_object* x_3; lean_object* x_4; lean_object* x_5; 
  x_3 = lean_ctor_get(x_1, 0);
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  x_4 = lean_ctor_get(x_1, 1);
  lean_inc(x_4);
  lean_dec(x_1);
  x_5 = lean_apply_2(x_2, x_3, x_4);
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  lean_object* l_Lean_Meta_mkSizeOfInstances_match__2(lean_object* x_1) {
  _start:
  {
  lean_object* x_2; 
  x_2 = lean_alloc_closure((void*)(l_Lean_Meta_mkSizeOfInstances_match__2___rarg), 2, 0);
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  lean_object* l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
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  lean_object* x_7; uint8_t x_8; 
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  uint8_t x_12; lean_object* x_13; 
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  uint8_t x_20; lean_object* x_21; 
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  _start:
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  lean_object* x_1; 
  x_1 = lean_mk_string("_sizeOf_inst");
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  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
  _start:
  {
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  x_21 = l_Array_ofSubarray___rarg(x_6);
  x_22 = l_Array_append___rarg(x_20, x_21);
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  x_26 = 1;
  lean_inc(x_13);
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  lean_dec(x_16);
  lean_dec(x_15);
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  lean_dec(x_15);
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  lean_dec(x_14);
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  lean_dec(x_11);
  lean_dec(x_10);
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  x_72 = lean_ctor_get(x_27, 0);
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  _start:
  {
  lean_object* x_1; 
  x_1 = lean_mk_string("m");
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  static lean_object* _init_l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2___closed__2() {
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  lean_object* x_1; lean_object* x_2; lean_object* x_3; 
  x_1 = lean_box(0);
  x_2 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2___closed__1;
  x_3 = lean_name_mk_string(x_1, x_2);
  return x_3;
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
  _start:
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_14 = lean_ctor_get(x_1, 1);
  lean_inc(x_14);
  lean_dec(x_1);
  lean_inc(x_14);
  x_15 = l_List_map___at_Lean_mkConstWithLevelParams___spec__1(x_14);
  lean_inc(x_15);
  lean_inc(x_2);
  x_16 = l_Lean_mkConst(x_2, x_15);
  x_17 = l_Lean_mkAppN(x_16, x_3);
  x_18 = l_Lean_mkOptionalNode___closed__2;
  lean_inc(x_17);
  x_19 = lean_array_push(x_18, x_17);
  lean_inc(x_12);
  lean_inc(x_11);
  lean_inc(x_10);
  lean_inc(x_9);
  lean_inc(x_4);
  x_20 = l_Lean_Meta_mkAppM(x_4, x_19, x_9, x_10, x_11, x_12, x_13);
  if (lean_obj_tag(x_20) == 0)
  {
  lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; 
  x_21 = lean_ctor_get(x_20, 0);
  lean_inc(x_21);
  x_22 = lean_ctor_get(x_20, 1);
  lean_inc(x_22);
  lean_dec(x_20);
  x_23 = lean_alloc_closure((void*)(l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1___boxed), 17, 11);
  lean_closure_set(x_23, 0, x_18);
  lean_closure_set(x_23, 1, x_5);
  lean_closure_set(x_23, 2, x_15);
  lean_closure_set(x_23, 3, x_6);
  lean_closure_set(x_23, 4, x_8);
  lean_closure_set(x_23, 5, x_7);
  lean_closure_set(x_23, 6, x_4);
  lean_closure_set(x_23, 7, x_2);
  lean_closure_set(x_23, 8, x_3);
  lean_closure_set(x_23, 9, x_21);
  lean_closure_set(x_23, 10, x_14);
  x_24 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2___closed__2;
  x_25 = 0;
  x_26 = l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__2___rarg(x_24, x_25, x_17, x_23, x_9, x_10, x_11, x_12, x_22);
  return x_26;
  }
  else
  {
  uint8_t x_27; 
  lean_dec(x_17);
  lean_dec(x_15);
  lean_dec(x_14);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_9);
  lean_dec(x_8);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_27 = !lean_is_exclusive(x_20);
  if (x_27 == 0)
  {
  return x_20;
  }
  else
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_28 = lean_ctor_get(x_20, 0);
  x_29 = lean_ctor_get(x_20, 1);
  lean_inc(x_29);
  lean_inc(x_28);
  lean_dec(x_20);
  x_30 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_30, 0, x_28);
  lean_ctor_set(x_30, 1, x_29);
  return x_30;
  }
  }
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
  x_13 = lean_ctor_get(x_1, 1);
  lean_inc(x_13);
  lean_dec(x_1);
  x_14 = lean_unsigned_to_nat(0u);
  lean_inc(x_13);
  lean_inc(x_6);
  x_15 = l_Array_toSubarray___rarg(x_6, x_14, x_13);
  x_16 = lean_array_get_size(x_6);
  lean_inc(x_6);
  x_17 = l_Array_toSubarray___rarg(x_6, x_13, x_16);
  x_18 = l_Array_ofSubarray___rarg(x_15);
  lean_dec(x_15);
  lean_inc(x_18);
  x_19 = lean_alloc_closure((void*)(l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__2), 13, 7);
  lean_closure_set(x_19, 0, x_2);
  lean_closure_set(x_19, 1, x_3);
  lean_closure_set(x_19, 2, x_6);
  lean_closure_set(x_19, 3, x_4);
  lean_closure_set(x_19, 4, x_5);
  lean_closure_set(x_19, 5, x_18);
  lean_closure_set(x_19, 6, x_17);
  x_20 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances___rarg(x_18, x_19, x_8, x_9, x_10, x_11, x_12);
  return x_20;
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
  _start:
  {
  if (lean_obj_tag(x_2) == 0)
  {
  lean_object* x_9; 
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_9 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_9, 0, x_3);
  lean_ctor_set(x_9, 1, x_8);
  return x_9;
  }
  else
  {
  lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
  x_10 = lean_ctor_get(x_2, 0);
  lean_inc(x_10);
  x_11 = lean_ctor_get(x_2, 1);
  lean_inc(x_11);
  lean_dec(x_2);
  x_12 = lean_ctor_get(x_3, 0);
  lean_inc(x_12);
  x_13 = lean_ctor_get(x_3, 1);
  lean_inc(x_13);
  x_14 = lean_ctor_get(x_3, 2);
  lean_inc(x_14);
  x_15 = lean_nat_dec_lt(x_13, x_14);
  if (x_15 == 0)
  {
  lean_object* x_16; 
  lean_dec(x_14);
  lean_dec(x_13);
  lean_dec(x_12);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_16 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_16, 0, x_3);
  lean_ctor_set(x_16, 1, x_8);
  return x_16;
  }
  else
  {
  uint8_t x_17; 
  x_17 = !lean_is_exclusive(x_3);
  if (x_17 == 0)
  {
  lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
  x_18 = lean_ctor_get(x_3, 2);
  lean_dec(x_18);
  x_19 = lean_ctor_get(x_3, 1);
  lean_dec(x_19);
  x_20 = lean_ctor_get(x_3, 0);
  lean_dec(x_20);
  x_21 = lean_array_fget(x_12, x_13);
  x_22 = lean_unsigned_to_nat(1u);
  x_23 = lean_nat_add(x_13, x_22);
  lean_dec(x_13);
  lean_ctor_set(x_3, 1, x_23);
  lean_inc(x_10);
  x_24 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_10, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_24) == 0)
  {
  lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
  x_25 = lean_ctor_get(x_24, 0);
  lean_inc(x_25);
  x_26 = lean_ctor_get(x_25, 0);
  lean_inc(x_26);
  x_27 = lean_ctor_get(x_24, 1);
  lean_inc(x_27);
  lean_dec(x_24);
  x_28 = lean_ctor_get(x_26, 2);
  lean_inc(x_28);
  lean_inc(x_1);
  x_29 = lean_alloc_closure((void*)(l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3___boxed), 12, 5);
  lean_closure_set(x_29, 0, x_25);
  lean_closure_set(x_29, 1, x_26);
  lean_closure_set(x_29, 2, x_10);
  lean_closure_set(x_29, 3, x_1);
  lean_closure_set(x_29, 4, x_21);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_30 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(x_28, x_29, x_4, x_5, x_6, x_7, x_27);
  if (lean_obj_tag(x_30) == 0)
  {
  lean_object* x_31; 
  x_31 = lean_ctor_get(x_30, 1);
  lean_inc(x_31);
  lean_dec(x_30);
  x_2 = x_11;
  x_8 = x_31;
  goto _start;
  }
  else
  {
  uint8_t x_33; 
  lean_dec(x_3);
  lean_dec(x_11);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_33 = !lean_is_exclusive(x_30);
  if (x_33 == 0)
  {
  return x_30;
  }
  else
  {
  lean_object* x_34; lean_object* x_35; lean_object* x_36; 
  x_34 = lean_ctor_get(x_30, 0);
  x_35 = lean_ctor_get(x_30, 1);
  lean_inc(x_35);
  lean_inc(x_34);
  lean_dec(x_30);
  x_36 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_36, 0, x_34);
  lean_ctor_set(x_36, 1, x_35);
  return x_36;
  }
  }
  }
  else
  {
  uint8_t x_37; 
  lean_dec(x_3);
  lean_dec(x_21);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_37 = !lean_is_exclusive(x_24);
  if (x_37 == 0)
  {
  return x_24;
  }
  else
  {
  lean_object* x_38; lean_object* x_39; lean_object* x_40; 
  x_38 = lean_ctor_get(x_24, 0);
  x_39 = lean_ctor_get(x_24, 1);
  lean_inc(x_39);
  lean_inc(x_38);
  lean_dec(x_24);
  x_40 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_40, 0, x_38);
  lean_ctor_set(x_40, 1, x_39);
  return x_40;
  }
  }
  }
  else
  {
  lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
  lean_dec(x_3);
  x_41 = lean_array_fget(x_12, x_13);
  x_42 = lean_unsigned_to_nat(1u);
  x_43 = lean_nat_add(x_13, x_42);
  lean_dec(x_13);
  x_44 = lean_alloc_ctor(0, 3, 0);
  lean_ctor_set(x_44, 0, x_12);
  lean_ctor_set(x_44, 1, x_43);
  lean_ctor_set(x_44, 2, x_14);
  lean_inc(x_10);
  x_45 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_10, x_4, x_5, x_6, x_7, x_8);
  if (lean_obj_tag(x_45) == 0)
  {
  lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
  x_46 = lean_ctor_get(x_45, 0);
  lean_inc(x_46);
  x_47 = lean_ctor_get(x_46, 0);
  lean_inc(x_47);
  x_48 = lean_ctor_get(x_45, 1);
  lean_inc(x_48);
  lean_dec(x_45);
  x_49 = lean_ctor_get(x_47, 2);
  lean_inc(x_49);
  lean_inc(x_1);
  x_50 = lean_alloc_closure((void*)(l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3___boxed), 12, 5);
  lean_closure_set(x_50, 0, x_46);
  lean_closure_set(x_50, 1, x_47);
  lean_closure_set(x_50, 2, x_10);
  lean_closure_set(x_50, 3, x_1);
  lean_closure_set(x_50, 4, x_41);
  lean_inc(x_7);
  lean_inc(x_6);
  lean_inc(x_5);
  lean_inc(x_4);
  x_51 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___spec__1___rarg(x_49, x_50, x_4, x_5, x_6, x_7, x_48);
  if (lean_obj_tag(x_51) == 0)
  {
  lean_object* x_52; 
  x_52 = lean_ctor_get(x_51, 1);
  lean_inc(x_52);
  lean_dec(x_51);
  x_2 = x_11;
  x_3 = x_44;
  x_8 = x_52;
  goto _start;
  }
  else
  {
  lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
  lean_dec(x_44);
  lean_dec(x_11);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_54 = lean_ctor_get(x_51, 0);
  lean_inc(x_54);
  x_55 = lean_ctor_get(x_51, 1);
  lean_inc(x_55);
  if (lean_is_exclusive(x_51)) {
   lean_ctor_release(x_51, 0);
   lean_ctor_release(x_51, 1);
   x_56 = x_51;
  } else {
   lean_dec_ref(x_51);
   x_56 = lean_box(0);
  }
  if (lean_is_scalar(x_56)) {
   x_57 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_57 = x_56;
  }
  lean_ctor_set(x_57, 0, x_54);
  lean_ctor_set(x_57, 1, x_55);
  return x_57;
  }
  }
  else
  {
  lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
  lean_dec(x_44);
  lean_dec(x_41);
  lean_dec(x_11);
  lean_dec(x_10);
  lean_dec(x_7);
  lean_dec(x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_1);
  x_58 = lean_ctor_get(x_45, 0);
  lean_inc(x_58);
  x_59 = lean_ctor_get(x_45, 1);
  lean_inc(x_59);
  if (lean_is_exclusive(x_45)) {
   lean_ctor_release(x_45, 0);
   lean_ctor_release(x_45, 1);
   x_60 = x_45;
  } else {
   lean_dec_ref(x_45);
   x_60 = lean_box(0);
  }
  if (lean_is_scalar(x_60)) {
   x_61 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_61 = x_60;
  }
  lean_ctor_set(x_61, 0, x_58);
  lean_ctor_set(x_61, 1, x_59);
  return x_61;
  }
  }
  }
  }
  }
  }
  lean_object* l_Lean_Meta_mkSizeOfInstances(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
  x_7 = lean_st_ref_get(x_5, x_6);
  x_8 = lean_ctor_get(x_7, 0);
  lean_inc(x_8);
  x_9 = lean_ctor_get(x_7, 1);
  lean_inc(x_9);
  lean_dec(x_7);
  x_10 = lean_ctor_get(x_8, 0);
  lean_inc(x_10);
  lean_dec(x_8);
  x_11 = lean_ctor_get(x_4, 0);
  lean_inc(x_11);
  lean_inc(x_1);
  x_12 = l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1(x_1, x_2, x_3, x_4, x_5, x_9);
  x_13 = !lean_is_exclusive(x_12);
  if (x_13 == 0)
  {
  lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
  x_14 = lean_ctor_get(x_12, 0);
  x_15 = lean_ctor_get(x_12, 1);
  x_16 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2;
  x_17 = l_Lean_Environment_contains(x_10, x_16);
  if (x_17 == 0)
  {
  lean_object* x_18; 
  lean_dec(x_14);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_18 = lean_box(0);
  lean_ctor_set(x_12, 0, x_18);
  return x_12;
  }
  else
  {
  lean_object* x_19; uint8_t x_20; 
  x_19 = l_Lean_Meta_genSizeOf;
  x_20 = l_Lean_Option_get___at_Lean_ppExpr___spec__1(x_11, x_19);
  if (x_20 == 0)
  {
  lean_object* x_21; 
  lean_dec(x_14);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_21 = lean_box(0);
  lean_ctor_set(x_12, 0, x_21);
  return x_12;
  }
  else
  {
  uint8_t x_22; 
  x_22 = lean_unbox(x_14);
  lean_dec(x_14);
  if (x_22 == 0)
  {
  lean_object* x_23; 
  lean_free_object(x_12);
  lean_inc(x_1);
  x_23 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_1, x_2, x_3, x_4, x_5, x_15);
  if (lean_obj_tag(x_23) == 0)
  {
  lean_object* x_24; uint8_t x_25; 
  x_24 = lean_ctor_get(x_23, 0);
  lean_inc(x_24);
  x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*5 + 1);
  if (x_25 == 0)
  {
  lean_object* x_26; lean_object* x_27; 
  x_26 = lean_ctor_get(x_23, 1);
  lean_inc(x_26);
  lean_dec(x_23);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  x_27 = l_Lean_Meta_mkSizeOfFns(x_1, x_2, x_3, x_4, x_5, x_26);
  if (lean_obj_tag(x_27) == 0)
  {
  lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
  x_28 = lean_ctor_get(x_27, 0);
  lean_inc(x_28);
  x_29 = lean_ctor_get(x_27, 1);
  lean_inc(x_29);
  lean_dec(x_27);
  x_30 = lean_ctor_get(x_28, 0);
  lean_inc(x_30);
  x_31 = lean_ctor_get(x_28, 1);
  lean_inc(x_31);
  lean_dec(x_28);
  x_32 = lean_array_get_size(x_30);
  x_33 = lean_unsigned_to_nat(0u);
  lean_inc(x_30);
  x_34 = l_Array_toSubarray___rarg(x_30, x_33, x_32);
  x_35 = lean_ctor_get(x_24, 3);
  lean_inc(x_35);
  lean_dec(x_24);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  lean_inc(x_35);
  x_36 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2(x_16, x_35, x_34, x_2, x_3, x_4, x_5, x_29);
  if (lean_obj_tag(x_36) == 0)
  {
  uint8_t x_37; 
  x_37 = !lean_is_exclusive(x_36);
  if (x_37 == 0)
  {
  lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
  x_38 = lean_ctor_get(x_36, 1);
  x_39 = lean_ctor_get(x_36, 0);
  lean_dec(x_39);
  x_40 = l_Lean_Meta_genSizeOfSpec;
  x_41 = l_Lean_Option_get___at_Lean_ppExpr___spec__1(x_11, x_40);
  lean_dec(x_11);
  if (x_41 == 0)
  {
  lean_object* x_42; 
  lean_dec(x_35);
  lean_dec(x_31);
  lean_dec(x_30);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_42 = lean_box(0);
  lean_ctor_set(x_36, 0, x_42);
  return x_36;
  }
  else
  {
  lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
  lean_free_object(x_36);
  x_43 = l_List_redLength___rarg(x_35);
  x_44 = lean_mk_empty_array_with_capacity(x_43);
  lean_dec(x_43);
  x_45 = l_List_toArrayAux___rarg(x_35, x_44);
  x_46 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(x_45, x_30, x_31, x_2, x_3, x_4, x_5, x_38);
  lean_dec(x_45);
  return x_46;
  }
  }
  else
  {
  lean_object* x_47; lean_object* x_48; uint8_t x_49; 
  x_47 = lean_ctor_get(x_36, 1);
  lean_inc(x_47);
  lean_dec(x_36);
  x_48 = l_Lean_Meta_genSizeOfSpec;
  x_49 = l_Lean_Option_get___at_Lean_ppExpr___spec__1(x_11, x_48);
  lean_dec(x_11);
  if (x_49 == 0)
  {
  lean_object* x_50; lean_object* x_51; 
  lean_dec(x_35);
  lean_dec(x_31);
  lean_dec(x_30);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_50 = lean_box(0);
  x_51 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_51, 0, x_50);
  lean_ctor_set(x_51, 1, x_47);
  return x_51;
  }
  else
  {
  lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
  x_52 = l_List_redLength___rarg(x_35);
  x_53 = lean_mk_empty_array_with_capacity(x_52);
  lean_dec(x_52);
  x_54 = l_List_toArrayAux___rarg(x_35, x_53);
  x_55 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(x_54, x_30, x_31, x_2, x_3, x_4, x_5, x_47);
  lean_dec(x_54);
  return x_55;
  }
  }
  }
  else
  {
  uint8_t x_56; 
  lean_dec(x_35);
  lean_dec(x_31);
  lean_dec(x_30);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_56 = !lean_is_exclusive(x_36);
  if (x_56 == 0)
  {
  return x_36;
  }
  else
  {
  lean_object* x_57; lean_object* x_58; lean_object* x_59; 
  x_57 = lean_ctor_get(x_36, 0);
  x_58 = lean_ctor_get(x_36, 1);
  lean_inc(x_58);
  lean_inc(x_57);
  lean_dec(x_36);
  x_59 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_59, 0, x_57);
  lean_ctor_set(x_59, 1, x_58);
  return x_59;
  }
  }
  }
  else
  {
  uint8_t x_60; 
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_60 = !lean_is_exclusive(x_27);
  if (x_60 == 0)
  {
  return x_27;
  }
  else
  {
  lean_object* x_61; lean_object* x_62; lean_object* x_63; 
  x_61 = lean_ctor_get(x_27, 0);
  x_62 = lean_ctor_get(x_27, 1);
  lean_inc(x_62);
  lean_inc(x_61);
  lean_dec(x_27);
  x_63 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_63, 0, x_61);
  lean_ctor_set(x_63, 1, x_62);
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  }
  }
  }
  else
  {
  uint8_t x_64; 
  lean_dec(x_24);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_64 = !lean_is_exclusive(x_23);
  if (x_64 == 0)
  {
  lean_object* x_65; lean_object* x_66; 
  x_65 = lean_ctor_get(x_23, 0);
  lean_dec(x_65);
  x_66 = lean_box(0);
  lean_ctor_set(x_23, 0, x_66);
  return x_23;
  }
  else
  {
  lean_object* x_67; lean_object* x_68; lean_object* x_69; 
  x_67 = lean_ctor_get(x_23, 1);
  lean_inc(x_67);
  lean_dec(x_23);
  x_68 = lean_box(0);
  x_69 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_69, 0, x_68);
  lean_ctor_set(x_69, 1, x_67);
  return x_69;
  }
  }
  }
  else
  {
  uint8_t x_70; 
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_70 = !lean_is_exclusive(x_23);
  if (x_70 == 0)
  {
  return x_23;
  }
  else
  {
  lean_object* x_71; lean_object* x_72; lean_object* x_73; 
  x_71 = lean_ctor_get(x_23, 0);
  x_72 = lean_ctor_get(x_23, 1);
  lean_inc(x_72);
  lean_inc(x_71);
  lean_dec(x_23);
  x_73 = lean_alloc_ctor(1, 2, 0);
  lean_ctor_set(x_73, 0, x_71);
  lean_ctor_set(x_73, 1, x_72);
  return x_73;
  }
  }
  }
  else
  {
  lean_object* x_74; 
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_74 = lean_box(0);
  lean_ctor_set(x_12, 0, x_74);
  return x_12;
  }
  }
  }
  }
  else
  {
  lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
  x_75 = lean_ctor_get(x_12, 0);
  x_76 = lean_ctor_get(x_12, 1);
  lean_inc(x_76);
  lean_inc(x_75);
  lean_dec(x_12);
  x_77 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkLocalInstances_loop___rarg___lambda__1___closed__2;
  x_78 = l_Lean_Environment_contains(x_10, x_77);
  if (x_78 == 0)
  {
  lean_object* x_79; lean_object* x_80; 
  lean_dec(x_75);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_79 = lean_box(0);
  x_80 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_80, 0, x_79);
  lean_ctor_set(x_80, 1, x_76);
  return x_80;
  }
  else
  {
  lean_object* x_81; uint8_t x_82; 
  x_81 = l_Lean_Meta_genSizeOf;
  x_82 = l_Lean_Option_get___at_Lean_ppExpr___spec__1(x_11, x_81);
  if (x_82 == 0)
  {
  lean_object* x_83; lean_object* x_84; 
  lean_dec(x_75);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_83 = lean_box(0);
  x_84 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_84, 0, x_83);
  lean_ctor_set(x_84, 1, x_76);
  return x_84;
  }
  else
  {
  uint8_t x_85; 
  x_85 = lean_unbox(x_75);
  lean_dec(x_75);
  if (x_85 == 0)
  {
  lean_object* x_86; 
  lean_inc(x_1);
  x_86 = l_Lean_getConstInfoInduct___at_Lean_Meta_mkSizeOfFns___spec__1(x_1, x_2, x_3, x_4, x_5, x_76);
  if (lean_obj_tag(x_86) == 0)
  {
  lean_object* x_87; uint8_t x_88; 
  x_87 = lean_ctor_get(x_86, 0);
  lean_inc(x_87);
  x_88 = lean_ctor_get_uint8(x_87, sizeof(void*)*5 + 1);
  if (x_88 == 0)
  {
  lean_object* x_89; lean_object* x_90; 
  x_89 = lean_ctor_get(x_86, 1);
  lean_inc(x_89);
  lean_dec(x_86);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  x_90 = l_Lean_Meta_mkSizeOfFns(x_1, x_2, x_3, x_4, x_5, x_89);
  if (lean_obj_tag(x_90) == 0)
  {
  lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
  x_91 = lean_ctor_get(x_90, 0);
  lean_inc(x_91);
  x_92 = lean_ctor_get(x_90, 1);
  lean_inc(x_92);
  lean_dec(x_90);
  x_93 = lean_ctor_get(x_91, 0);
  lean_inc(x_93);
  x_94 = lean_ctor_get(x_91, 1);
  lean_inc(x_94);
  lean_dec(x_91);
  x_95 = lean_array_get_size(x_93);
  x_96 = lean_unsigned_to_nat(0u);
  lean_inc(x_93);
  x_97 = l_Array_toSubarray___rarg(x_93, x_96, x_95);
  x_98 = lean_ctor_get(x_87, 3);
  lean_inc(x_98);
  lean_dec(x_87);
  lean_inc(x_5);
  lean_inc(x_4);
  lean_inc(x_3);
  lean_inc(x_2);
  lean_inc(x_98);
  x_99 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2(x_77, x_98, x_97, x_2, x_3, x_4, x_5, x_92);
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  {
  lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
  x_100 = lean_ctor_get(x_99, 1);
  lean_inc(x_100);
  if (lean_is_exclusive(x_99)) {
   lean_ctor_release(x_99, 0);
   lean_ctor_release(x_99, 1);
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  } else {
   lean_dec_ref(x_99);
   x_101 = lean_box(0);
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  x_102 = l_Lean_Meta_genSizeOfSpec;
  x_103 = l_Lean_Option_get___at_Lean_ppExpr___spec__1(x_11, x_102);
  lean_dec(x_11);
  if (x_103 == 0)
  {
  lean_object* x_104; lean_object* x_105; 
  lean_dec(x_98);
  lean_dec(x_94);
  lean_dec(x_93);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_104 = lean_box(0);
  if (lean_is_scalar(x_101)) {
   x_105 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_105 = x_101;
  }
  lean_ctor_set(x_105, 0, x_104);
  lean_ctor_set(x_105, 1, x_100);
  return x_105;
  }
  else
  {
  lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
  lean_dec(x_101);
  x_106 = l_List_redLength___rarg(x_98);
  x_107 = lean_mk_empty_array_with_capacity(x_106);
  lean_dec(x_106);
  x_108 = l_List_toArrayAux___rarg(x_98, x_107);
  x_109 = l___private_Lean_Meta_SizeOf_0__Lean_Meta_mkSizeOfSpecTheorems(x_108, x_93, x_94, x_2, x_3, x_4, x_5, x_100);
  lean_dec(x_108);
  return x_109;
  }
  }
  else
  {
  lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
  lean_dec(x_98);
  lean_dec(x_94);
  lean_dec(x_93);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_110 = lean_ctor_get(x_99, 0);
  lean_inc(x_110);
  x_111 = lean_ctor_get(x_99, 1);
  lean_inc(x_111);
  if (lean_is_exclusive(x_99)) {
   lean_ctor_release(x_99, 0);
   lean_ctor_release(x_99, 1);
   x_112 = x_99;
  } else {
   lean_dec_ref(x_99);
   x_112 = lean_box(0);
  }
  if (lean_is_scalar(x_112)) {
   x_113 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_113 = x_112;
  }
  lean_ctor_set(x_113, 0, x_110);
  lean_ctor_set(x_113, 1, x_111);
  return x_113;
  }
  }
  else
  {
  lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
  lean_dec(x_87);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  x_114 = lean_ctor_get(x_90, 0);
  lean_inc(x_114);
  x_115 = lean_ctor_get(x_90, 1);
  lean_inc(x_115);
  if (lean_is_exclusive(x_90)) {
   lean_ctor_release(x_90, 0);
   lean_ctor_release(x_90, 1);
   x_116 = x_90;
  } else {
   lean_dec_ref(x_90);
   x_116 = lean_box(0);
  }
  if (lean_is_scalar(x_116)) {
   x_117 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_117 = x_116;
  }
  lean_ctor_set(x_117, 0, x_114);
  lean_ctor_set(x_117, 1, x_115);
  return x_117;
  }
  }
  else
  {
  lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
  lean_dec(x_87);
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_118 = lean_ctor_get(x_86, 1);
  lean_inc(x_118);
  if (lean_is_exclusive(x_86)) {
   lean_ctor_release(x_86, 0);
   lean_ctor_release(x_86, 1);
   x_119 = x_86;
  } else {
   lean_dec_ref(x_86);
   x_119 = lean_box(0);
  }
  x_120 = lean_box(0);
  if (lean_is_scalar(x_119)) {
   x_121 = lean_alloc_ctor(0, 2, 0);
  } else {
   x_121 = x_119;
  }
  lean_ctor_set(x_121, 0, x_120);
  lean_ctor_set(x_121, 1, x_118);
  return x_121;
  }
  }
  else
  {
  lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_122 = lean_ctor_get(x_86, 0);
  lean_inc(x_122);
  x_123 = lean_ctor_get(x_86, 1);
  lean_inc(x_123);
  if (lean_is_exclusive(x_86)) {
   lean_ctor_release(x_86, 0);
   lean_ctor_release(x_86, 1);
   x_124 = x_86;
  } else {
   lean_dec_ref(x_86);
   x_124 = lean_box(0);
  }
  if (lean_is_scalar(x_124)) {
   x_125 = lean_alloc_ctor(1, 2, 0);
  } else {
   x_125 = x_124;
  }
  lean_ctor_set(x_125, 0, x_122);
  lean_ctor_set(x_125, 1, x_123);
  return x_125;
  }
  }
  else
  {
  lean_object* x_126; lean_object* x_127; 
  lean_dec(x_11);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  lean_dec(x_1);
  x_126 = lean_box(0);
  x_127 = lean_alloc_ctor(0, 2, 0);
  lean_ctor_set(x_127, 0, x_126);
  lean_ctor_set(x_127, 1, x_76);
  return x_127;
  }
  }
  }
  }
  }
  }
  lean_object* l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
  _start:
  {
  lean_object* x_7; 
  x_7 = l_Lean_isInductivePredicate___at_Lean_Meta_mkSizeOfInstances___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
  lean_dec(x_5);
  lean_dec(x_4);
  lean_dec(x_3);
  lean_dec(x_2);
  return x_7;
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1___boxed(lean_object** _args) {
  lean_object* x_1 = _args[0];
  lean_object* x_2 = _args[1];
  lean_object* x_3 = _args[2];
  lean_object* x_4 = _args[3];
  lean_object* x_5 = _args[4];
  lean_object* x_6 = _args[5];
  lean_object* x_7 = _args[6];
  lean_object* x_8 = _args[7];
  lean_object* x_9 = _args[8];
  lean_object* x_10 = _args[9];
  lean_object* x_11 = _args[10];
  lean_object* x_12 = _args[11];
  lean_object* x_13 = _args[12];
  lean_object* x_14 = _args[13];
  lean_object* x_15 = _args[14];
  lean_object* x_16 = _args[15];
  lean_object* x_17 = _args[16];
  _start:
  {
  lean_object* x_18; 
  x_18 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
  lean_dec(x_8);
  lean_dec(x_6);
  lean_dec(x_5);
  return x_18;
  }
  }
  lean_object* l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
  _start:
  {
  lean_object* x_13; 
  x_13 = l_List_forIn_loop___at_Lean_Meta_mkSizeOfInstances___spec__2___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
  lean_dec(x_7);
  return x_13;
  }
  }
  lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SizeOf___hyg_4894_(lean_object* x_1) {
  _start:
  {
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  #ifdef __cplusplus
  }
  #endif
  