// verifast_options{disable_overflow_check target:ILP32} extern void abort(void); //@ requires true; //@ ensures true; void reach_error() //@ requires false; //@ ensures true; {} void __VERIFIER_assert(int cond) //@ requires (1 <= cond); //@ ensures (1 <= cond); { if (!(cond)) { ERROR: {reach_error();abort();} } return; } int main(void) //@ requires module(simple_1_2__verifast_instrumented, true); //@ ensures junk(); { //@ open_module(); unsigned int x = 0; while (x < 0x0fffffff) //@ invariant ((x % 2) == 0); { x += 2; } __VERIFIER_assert(!(x % 2)); return 0; }