mirror of
https://github.com/ethereum/solidity
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18 lines
673 B
Solidity
18 lines
673 B
Solidity
pragma experimental SMTChecker;
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contract C {
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bytes data;
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function g() public {
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require(data.length == 0);
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data.push("b");
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assert(data[0] == "b"); // should hold
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assert(data[0] == "c"); // should fail
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delete data;
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data.push(hex"01");
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assert(uint8(data[0]) == 1); // should hold
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assert(uint8(data[0]) == 0); // should fail
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}
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}
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// ----
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// Warning 6328: (171-193): CHC: Assertion violation happens here.\nCounterexample:\ndata = [98]\n\nTransaction trace:\nC.constructor()\nState: data = []\nC.g()
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// Warning 6328: (295-322): CHC: Assertion violation happens here.\nCounterexample:\ndata = [1]\n\nTransaction trace:\nC.constructor()\nState: data = []\nC.g()
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