solidity/test/libsolidity/smtCheckerTests/operators/bitwise_rational_2.sol

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pragma experimental SMTChecker;
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);
}
}
// ----
// Warning 6328: (181-194): CHC: Assertion violation happens here.