extern void abort(void); extern void __assert_fail (const char *__assertion, const char *__file, unsigned int __line, const char *__function) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); extern void __assert_perror_fail (int __errnum, const char *__file, unsigned int __line, const char *__function) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); extern void __assert (const char *__assertion, const char *__file, int __line) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); void reach_error() { ((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "assert.h", 3, __extension__ __PRETTY_FUNCTION__); })); } extern void abort(void); void assume_abort_if_not(int cond) { if(!cond) {abort();} } void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: {reach_error();abort();} } return; } int __VERIFIER_nondet_int(); int main(void) { int i, j; L0: i = 0; L1: while( __VERIFIER_nondet_int() && i < 1000000){ i++; } if(i >= 100) STUCK: goto STUCK; j = 0; L2: while( __VERIFIER_nondet_int() && i < 1000000 ){ i++; j++; } if(j >= 100) goto STUCK; __VERIFIER_assert( i < 200 ); return 0; }