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https://github.com/ethereum/solidity
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15 lines
493 B
Solidity
15 lines
493 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f(uint x) public payable {
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assert(blockhash(x) > 0);
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assert(blockhash(2) > 0);
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uint y = x;
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assert(blockhash(x) == blockhash(y));
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}
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}
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// ----
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// Warning 6328: (85-109): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 7719\n\n\nTransaction trace:\nconstructor()\nf(7719)
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// Warning 6328: (113-137): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 7719\n\n\nTransaction trace:\nconstructor()\nf(7719)
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