extern void abort(void); 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() { ((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "simple_array_index_value_4.c", 7, __extension__ __PRETTY_FUNCTION__); })); } extern void abort(void); void assume_abort_if_not(int cond) { if(!cond) {abort();} } void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: {reach_error();abort();} } return; } unsigned int __VERIFIER_nondet_uint(); int main() { unsigned int array[100000]; unsigned int index1; unsigned int index2; unsigned int loop_entered = 0; for (unsigned i = 0; i < 100000; ++i) { array[i] = __VERIFIER_nondet_uint(); } index1 = __VERIFIER_nondet_uint(); assume_abort_if_not(index1 < 100000); index2 = __VERIFIER_nondet_uint(); assume_abort_if_not(index2 < 100000); while (index1 < index2) { __VERIFIER_assert((index1 < 100000) && (index2 < 100000)); assume_abort_if_not(array[index1] == array[index2]); index1++; index2--; loop_entered = 1; } if (loop_entered) { while (index2 < index1) { __VERIFIER_assert(array[index1] == array[index2]); index2++; index1--; } } }