mirror of
https://github.com/ethereum/solidity
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21 lines
717 B
Solidity
21 lines
717 B
Solidity
pragma experimental SMTChecker;
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contract C {
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function div(uint256 a, uint256 b) public pure returns (uint256) {
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// Does not disable div by zero check
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unchecked {
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return a / b;
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}
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}
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function mod(uint256 a, uint256 b) public pure returns (uint256) {
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// Does not disable div by zero check
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unchecked {
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return a % b;
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}
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}
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}
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// ----
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// Warning 4281: (202-207): CHC: Division by zero happens here.\nCounterexample:\n\na = 0\nb = 0\n = 0\n\nTransaction trace:\nconstructor()\ndiv(0, 0)
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// Warning 4281: (382-387): CHC: Division by zero happens here.\nCounterexample:\n\na = 0\nb = 0\n = 0\n\nTransaction trace:\nconstructor()\nmod(0, 0)
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