extern void abort(void); extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); void reach_error() { __assert_fail("0", "simple_2-2.c", 3, "reach_error"); } extern unsigned int __VERIFIER_nondet_uint(void); void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: {reach_error();abort();} } return; } int main(void) { unsigned int x = __VERIFIER_nondet_uint(); while (x < 0x0fffffff) { x++; } __VERIFIER_assert(x > 0x0fffffff); }