2019-02-06 10:12:02 +00:00
|
|
|
contract C
|
|
|
|
|
{
|
|
|
|
|
function f(int8 x) public pure returns (int8) {
|
|
|
|
|
x = 100;
|
2020-12-16 17:32:34 +00:00
|
|
|
int8 y;
|
|
|
|
|
unchecked { y = x * 2; }
|
2019-02-06 10:12:02 +00:00
|
|
|
assert(y == -56);
|
|
|
|
|
y = x * 100;
|
|
|
|
|
assert(y == 16);
|
|
|
|
|
return y;
|
|
|
|
|
}
|
|
|
|
|
}
|
2021-03-31 15:11:54 +00:00
|
|
|
// ====
|
|
|
|
|
// SMTEngine: all
|
2019-02-06 10:12:02 +00:00
|
|
|
// ----
|
2023-02-09 16:07:13 +00:00
|
|
|
// Warning 4984: (136-143): CHC: Overflow (resulting value larger than 127) happens here.
|
|
|
|
|
// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
|
