// verifast_options{disable_overflow_check target:ILP32} extern void abort(void);//@ requires true; //@ ensures true; 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() //@ requires false; //@ ensures true; { ((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "assert.h", 3, __extension__ __PRETTY_FUNCTION__); })); } extern void abort(void); void assume_abort_if_not(int cond) //@ requires true; //@ ensures true; { if(!cond) {abort();} } void __VERIFIER_assert(int cond) //@ requires (1 <= cond); //@ ensures (1 <= cond); { if (!(cond)) { ERROR: {reach_error();abort();} } return; } int __VERIFIER_nondet_int();//@ requires true; //@ ensures true; int main() //@ requires module(cggmp2005b__verifast_instrumented_modified, true); //@ ensures junk(); { int i,j,k; i = 0; k = 9; j = -100; while (i <= 100)//@ invariant (((i == 0) && ((j + 100) <= 0)) || (k == 4)); { i = i + 1; while (j < 20)//@ invariant ((i < 2) || (k == 4)); { j = i + j; } k = 4; while (k <= 3)//@ invariant (k == 4); { k = k + 1; } } __VERIFIER_assert(k == 4); return 0; }