typedef unsigned int size_t; extern void *alloca(size_t size); extern void free(void*); extern char __VERIFIER_nondet_char(void); int main(void){ char *p = alloca(10 * sizeof(char)); for (int i = 0; i < 10; i++) { p[i] = __VERIFIER_nondet_char(); } if (p[2] == 'a') free(p); return 0; }