solidity/test/libsolidity/smtCheckerTests/overflow/overflow_mul.sol
2023-03-09 14:59:32 +01:00

18 lines
425 B
Solidity

contract C
{
function f(uint8 x) public pure returns (uint8) {
x = 100;
uint8 y = x * 3;
assert(y == 44);
x = 128;
y = x * 4;
assert(y == 0);
return y;
}
}
// ====
// SMTEngine: all
// ----
// Warning 4984: (87-92): CHC: Overflow (resulting value larger than 255) happens here.
// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.