// 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 ()
{
    //@ open_module(); 

  int in;
  int inlen = __VERIFIER_nondet_int();
  int bufferlen = __VERIFIER_nondet_int();
  int buf;
  int buflim;
  if(bufferlen >1);else goto END;
  if(inlen > 0);else goto END;
  if(bufferlen < inlen);else goto END;
  buf = 0;
  in = 0;
  buflim = bufferlen - 2;
while (__VERIFIER_nondet_int())
//@ invariant (((((((2 + buflim) == bufferlen) && (in == 0)) && (0 <= buflim)) && (buf == 0)) && ((bufferlen + 1) <= inlen)) || (((((((bufferlen + in) + 1) <= (buf + inlen)) && ((2 + buflim) == bufferlen)) && (1 <= in)) && (0 <= buf)) && (buf <= buflim)));
  {
    if (buf == buflim)
      break;
    __VERIFIER_assert(0<=buf);
    __VERIFIER_assert(buf<bufferlen);
    buf++;
out:
    in++;
    __VERIFIER_assert(0<=in);
    __VERIFIER_assert(in<inlen);
  }
    __VERIFIER_assert(0<=buf);
    __VERIFIER_assert(buf<bufferlen);
    buf++;
  __VERIFIER_assert(0<=buf);
  __VERIFIER_assert(buf<bufferlen);
  buf++;
 END: return 0;
}