// verifast_options{disable_overflow_check target:ILP32}

extern void abort(void);//@ requires true; 
//@ ensures true;


extern void __assert_fail (const char *__assertion, const char *__file,
      unsigned int __line, const char *__function)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert_perror_fail (int __errnum, const char *__file,
      unsigned int __line, const char *__function)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert (const char *__assertion, const char *__file, int __line)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));

void reach_error() //@ requires false; 
//@ ensures true;
{ ((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "assert.h", 3, __extension__ __PRETTY_FUNCTION__); })); }
extern void abort(void);
void assume_abort_if_not(int cond) //@ requires true; 
//@ ensures true;
{
  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) //@ requires (cond == 1); 
//@ ensures (cond == 1);
{
  if (!(cond)) {
      ERROR: {reach_error();abort();}
  }
  return;
}
int __VERIFIER_nondet_int();//@ requires true; 
//@ ensures true;

int main() //@ requires module(cggmp2005__verifast_instrumented_modified, true); 
//@ ensures junk();
{
    int i,j;
    i = 1;
    j = 10;
    while (j >= i)//@ invariant ((((((j == 6) && (7 <= i)) || ((i == 1) && (j == 10))) || ((i == 3) && (j == 9))) || ((7 == j) && (7 == i))) || ((5 == i) && (j == 8)));
 {
        i = i + 2;
        j = -1 + j;
    }
    __VERIFIER_assert(j == 6);
    return 0;
}