1extern void abort(void);
   2extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
   3void reach_error() { __assert_fail("0", "diamond_1-1.c", 3, "reach_error"); }
   4extern unsigned int __VERIFIER_nondet_uint(void);
   5
   6void __VERIFIER_assert(int cond) {
   7  if (!(cond)) {◐PART
   8    ERROR: {reach_error();abort();}
   9  }
  10  return;
  11}
  12
  13int main(void) {
  14  unsigned int x = 0;
  15  unsigned int y = __VERIFIER_nondet_uint();
  16
  17  while (x < 99) {●FULL
  18    if (y % 2 == 0) {◐PART
  19      x += 2;
  20    } else {
  21      x++;
  22    }
  23  }
  24
  25  __VERIFIER_assert((x % 2) == (y % 2));
  26}