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https://github.com/ethereum/solidity
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16 lines
432 B
Solidity
16 lines
432 B
Solidity
pragma experimental SMTChecker;
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contract C {
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function f() public pure {
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assert(~1 | (~0xff & 0) == -2);
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int x = ~1 | (~0xff ^ 0);
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/// Result is negative, assertion fails.
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assert(x > 0);
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int y = ~x | (0xff & 1);
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assert(y > 0);
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assert(y & (0xffffffffffffffffff & 1) == 1);
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}
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}
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// ----
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// Warning 6328: (181-194): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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