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", "simple_2-1.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 = __VERIFIER_nondet_uint();
  15
  16  while (x < 0x0fffffff) {●FULL
  17    x++;
  18  }
  19
  20  __VERIFIER_assert(x >= 0x0fffffff);
  21}