#include extern int __VERIFIER_nondet_int(void); /* * Copy src to string dst of size siz. At most siz-1 characters * will be copied. Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >= siz, truncation occurred. */ size_t cstrlcpy(char *dst, const char *src, size_t siz) { char *d = dst; const char *s = src; size_t n = siz; /* Copy as many bytes as will fit */ if (n != 0) { while (--n != 0) { if ((*d++ = *s++) == '\0') break; } } /* Not enough room in dst, add NUL and traverse rest of src */ if (n == 0) { if (siz != 0) *d = '\0'; /* NUL-terminate dst */ while (*s++) ; } return(s - src - 1); /* count does not include NUL */ } int main() { int length = __VERIFIER_nondet_int(); int n = __VERIFIER_nondet_int(); if (length < 1) { length = 1; } if (n < 1) { n = 1; } char* nondetString1 = (char*) alloca(n * sizeof(char)); char* nondetString2 = (char*) alloca(length * sizeof(char)); nondetString1[n-1] = '\0'; nondetString2[length-1] = '\0'; cstrlcpy(nondetString1, nondetString2, n); return 0; }