// verifast_options{disable_overflow_check target:ILP32} extern void abort(void); //@ requires true; //@ ensures true; void reach_error() //@ requires false; //@ ensures true; {}void assume_abort_if_not(int cond) //@ requires true; //@ ensures true; { if(!cond) {abort();} } void __VERIFIER_assert(int cond) //@ requires (1 <= cond); //@ ensures (1 <= cond); { if (!(cond)) { ERROR: {reach_error();abort();} } return; } int __VERIFIER_nondet_int(); //@ requires true; //@ ensures true; int main() //@ requires module(cggmp2005b__verifast_instrumented, true); //@ ensures junk(); { //@ open_module(); int i,j,k; i = 0; k = 9; j = -100; while (i <= 100) //@ invariant (((i == 0) && ((j + 100) <= 0)) || (k == 4)); { i = i + 1; while (j < 20) //@ invariant ((i < 2) || (k == 4)); { j = i + j; } k = 4; while (k <= 3) //@ invariant (k == 4); { k = k + 1; } } __VERIFIER_assert(k == 4); return 0; }