mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
17 lines
491 B
Solidity
17 lines
491 B
Solidity
contract C {
|
|
function f() public pure {
|
|
assert(~1 | (~0xff & 0) == -2);
|
|
int x = ~1 | (~0xff ^ 0);
|
|
/// Result is negative, assertion fails.
|
|
assert(x > 0);
|
|
int y = ~x | (0xff & 1);
|
|
assert(y > 0);
|
|
assert(y & (0xffffffffffffffffff & 1) == 1);
|
|
}
|
|
}
|
|
// ====
|
|
// SMTEngine: all
|
|
// ----
|
|
// Warning 6328: (148-161): CHC: Assertion violation happens here.
|
|
// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
|