mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
32 lines
770 B
Solidity
32 lines
770 B
Solidity
abstract contract Crypto {
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function hash(bytes32) external pure virtual returns (bytes32);
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}
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contract C {
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address owner;
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bytes32 sig_1;
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bytes32 sig_2;
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Crypto d;
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constructor() {
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owner = msg.sender;
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}
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function f1(bytes32 _msg) public {
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address prevOwner = owner;
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sig_1 = d.hash(_msg);
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sig_2 = d.hash(_msg);
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assert(prevOwner == owner);
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}
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function inv() public view {
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assert(sig_1 == sig_2);
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}
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}
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// ====
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// SMTEngine: all
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// SMTIgnoreCex: yes
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// ----
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// Warning 6328: (390-412): CHC: Assertion violation happens here.
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// Info 1180: Reentrancy property(ies) for :C:\n!(<errorCode> = 1)\n<errorCode> = 0 -> no errors\n<errorCode> = 1 -> Assertion failed at assert(prevOwner == owner)\n<errorCode> = 3 -> Assertion failed at assert(sig_1 == sig_2)\n
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