// verifast_options{disable_overflow_check target:ILP32}

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

extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
void reach_error() //@ requires false; 
//@ ensures true;
{ __assert_fail("0", "invert_string-3.c", 3, "reach_error"); }

void __VERIFIER_assert(int cond) //@ requires (1 <= cond); 
//@ ensures (1 <= cond);
{
  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}
char __VERIFIER_nondet_char();//@ requires true; 
//@ ensures true;


int main() //@ requires module(invert_string_3__verifast_instrumented_modified, true); 
//@ ensures junk();
{
    unsigned int max = 5;
    char str1[max], str2[max];
    int i, j;

    for (i=0; i<max; i++)//@ invariant (((((((i == 2) && (5 == max)) || ((i == 1) && (5 == max))) || ((i == 3) && (5 == max))) || ((5 == max) && (i == 0))) || ((5 == max) && (5 == i))) || ((5 == max) && (i == 4)));
 {
        str1[i]=__VERIFIER_nondet_char();
    }

    str1[max-1]= '\0';

    j = 0;
   
    for (i = max - 1; i >= 0; i--)//@ invariant ((((((((j == 2) && (i == 2)) && (5 == max)) || (((j == 0) && (5 == max)) && (i == 4))) || (((j == 3) && (i == 1)) && (5 == max))) || (((j == 4) && (5 == max)) && (i == 0))) || (((i == 3) && (j == 1)) && (5 == max))) || ((5 == max) && ((i + 1) == 0)));
 {
        str2[j] = str1[i];
        j++;
    }

    j = max-1;
    for (i=0; i<max; i++)//@ invariant ((((((((i == 3) && (j == 1)) && (5 == max)) || (((j == 2) && (i == 2)) && (5 == max))) || (((j == 4) && (5 == max)) && (i == 0))) || (((j == 3) && (i == 1)) && (5 == max))) || ((5 == max) && (5 == i))) || (((j == 0) && (5 == max)) && (i == 4)));
 {
      __VERIFIER_assert(str1[i] == str2[j]);
      j--;
    }   
}