// 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 (cond != 0);
//@ ensures (cond != 0);
{  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}
int __VERIFIER_nondet_int();
//@ requires true;
//@ ensures true;
int main() 
//@ requires module(nest_if3__verifast_instrumented, true);
//@ ensures junk();
{
    //@ open_module(); 
  int i,k,n,l;
  n = __VERIFIER_nondet_int();
  l = __VERIFIER_nondet_int();
  if (!(l>0)) return 0;
  if (!(l < 1000000)) return 0;
  if (!(n < 1000000)) return 0;
for (k=1;k<n;k++)
//@ invariant (1 <= l);
    {
for (i=l;i<n;i++)
//@ invariant ((1 <= l) && (1 <= i));
    {
      __VERIFIER_assert(1<=i);
    }
    if(__VERIFIER_nondet_int())
      l = l + 1;
  }
 return 0; }