solidity/test/libsolidity/smtCheckerTests/operators/shifts/shift_cleanup.sol
2023-03-09 14:59:32 +01:00

20 lines
457 B
Solidity

contract C {
function f() public pure returns (uint16 x) {
unchecked {
x = 0xffff;
x += 32;
x = x << 8;
x = x >> 16;
}
assert(x == 0);
// Fails because x = 0.
assert(x == 10);
}
}
// ====
// SMTEngine: all
// SMTIgnoreCex: yes
// ----
// Warning 6328: (182-197): CHC: Assertion violation happens here.
// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.