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https://github.com/ethereum/solidity
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13 lines
505 B
Solidity
13 lines
505 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function add(uint x, uint y) public pure returns (uint) {
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uint z = x + y;
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require(z >= x);
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return z;
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}
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}
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// ----
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// Warning 4984: (116-121): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 1\ny = 115792089237316195423570985008687907853269984665640564039457584007913129639935\n = 0\n\nTransaction trace:\nconstructor()\nadd(1, 115792089237316195423570985008687907853269984665640564039457584007913129639935)
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