// verifast_options{disable_overflow_check target:ILP32} 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) //@ requires false; //@ ensures true; {((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "benchmark04_conjunctive.c", 2, __extension__ __PRETTY_FUNCTION__); }));} extern int __VERIFIER_nondet_int(void);//@ requires true; //@ ensures true; extern _Bool __VERIFIER_nondet_bool(void);//@ requires true; //@ ensures true; void __VERIFIER_assert(int cond) //@ requires (1 <= cond); //@ ensures (1 <= cond); { if (!cond) { reach_error(); } } int main() //@ requires module(benchmark04_conjunctive__verifast_instrumented_modified, true); //@ ensures junk(); { int k = __VERIFIER_nondet_int(); int j = __VERIFIER_nondet_int(); int n = __VERIFIER_nondet_int(); if (!(n>=1 && k>=n && j==0)) return 0; while (j<=n-1)//@ invariant ((n <= (k + j)) && (0 <= k)); { j++; k--; } __VERIFIER_assert(k>=0); return 0; }