// verifast_options{disable_overflow_check target:ILP32} extern void abort(void); //@ requires true; //@ ensures true; void reach_error() //@ requires false; //@ ensures true; {} void f(int n) //@ requires (n <= 2); //@ ensures (n <= 2); { if (n<3) return; n--; f(n); ERROR: {reach_error();abort();} } int main(void) //@ requires module(afterrec_2__verifast_instrumented, true); //@ ensures junk(); { //@ open_module(); f(2); return 0; }