// S : tags   c sym  $TAGS
// S : expect --result valid
// S : cc     -o test.bc  $CC_OPT $file
// S : verify --symbolic --solver $solver --sequential -o nofail:malloc $V_OPT test.bc

// N : V          : CC_OPT       : V_OPT : TAGS : RESULT
// V : small.100  : -DNUM=100    :       : big  : valid
// V : big.10000  : -DNUM=10000  :       : big  : valid
// V : big.100000 : -DNUM=100000 :       : big  : valid
// V : big.1000   : -DNUM=1000   :       : big  : valid
// V : small.10   : -DNUM=10     :       :      : valid

// from FreePastry source, file Id.java
  /**
   * Constructor, which takes the output of a toStringFull() and converts it back
   * into an Id.  Should not normally be used.
   *
   * @param hex The hexadeciaml representation from the toStringFull()
   */
/*
  public static Id build(char[] chars, int offset, int length) {
    int[] array = new int[nlen];

    for (int i=0; i<nlen; i++)
      for (int j=0; j<8; j++)
        array[nlen-1-i] = (array[nlen-1-i] << 4) | trans(chars[offset + 8*i + j]);

    return build(array);
  }
*/
extern void __VERIFIER_error(void);
extern void __VERIFIER_assume(int);
void __VERIFIER_assert(int cond) {
  if (!(cond)) {
    ERROR: __VERIFIER_error();
  }
  return;
}

extern int __VERIFIER_nondet_int(void);

int main() {
  int offset, length, nlen = __VERIFIER_nondet_int();
  if (!(0 <= nlen && nlen <= NUM)) return 0;

  int i, j;

  for (i=0; i<nlen; i++) {
    for (j=0; j<8; j++) {
      __VERIFIER_assert(0 <= nlen-1-i);
      __VERIFIER_assert(nlen-1-i < nlen);
    }
  }
  return 0;
}