solidity/test/libsolidity/smtCheckerTests/overflow/overflow_mul.sol

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pragma experimental SMTChecker;
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;
}
}
// ----
// Warning 2661: (120-125): Overflow (resulting value larger than 255) happens here
// Warning 2661: (163-168): Overflow (resulting value larger than 255) happens here