mirror of
https://github.com/ethereum/solidity
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17 lines
588 B
Solidity
17 lines
588 B
Solidity
pragma experimental SMTChecker;
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contract C {
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function abiencodePackedHash(uint a, uint b) public pure {
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require(a == b);
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bytes memory b1 = abi.encodePacked(a, a, a, a);
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bytes memory b2 = abi.encodePacked(b, a, b, a);
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assert(keccak256(b1) == keccak256(b2));
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bytes memory b3 = abi.encode(a, a, a, a);
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assert(keccak256(b1) == keccak256(b3)); // should fail
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}
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}
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// ----
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// Warning 1218: (313-351): CHC: Error trying to invoke SMT solver.
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// Warning 6328: (313-351): CHC: Assertion violation might happen here.
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// Warning 4661: (313-351): BMC: Assertion violation happens here.
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