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https://github.com/ethereum/solidity
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17 lines
364 B
Solidity
17 lines
364 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f(uint8 x) public pure returns (uint) {
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x = 0;
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uint8 y = x - 1;
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assert(y == 255);
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y = x - 255;
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assert(y == 1);
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return y;
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}
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}
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// ----
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// Warning 3944: (117-122): Underflow (resulting value less than 0) happens here
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// Warning 3944: (150-157): Underflow (resulting value less than 0) happens here
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