def METHOD_NAME():
	libc.malloc.argtypes = (c_int,)
	libc.malloc.restype = c_void_p
	libc.free.argtypes = (c_void_p,)
	# small bin or tcache
	size1, size2 = 0xd0, 0xc0
	mems = [0]*32
	# consume all size2 chunks
	for i in range(len(mems)):
		mems[i] = libc.malloc(size2)
	mem1 = libc.malloc(size1)
	libc.free(mem1)
	mem2 = libc.malloc(size2)
	libc.free(mem2)
	for addr in mems:
		libc.free(addr)
	return mem1 != mem2