// 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; }