mirror of
https://github.com/ethereum/solidity
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18 lines
595 B
Solidity
18 lines
595 B
Solidity
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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// SMTEngine: all
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// SMTIgnoreOS: macos
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// ----
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// Warning 6328: (281-319): CHC: Assertion violation happens here.
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// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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