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https://github.com/ethereum/solidity
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15 lines
376 B
Solidity
15 lines
376 B
Solidity
pragma experimental SMTChecker;
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contract C {
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function mul(uint256 a, uint256 b) public pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b);
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return c;
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}
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}
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// ----
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// Warning 4984: (160-165): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.
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// Warning 4281: (177-182): CHC: Division by zero happens here.
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