mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
16 lines
1.0 KiB
Solidity
16 lines
1.0 KiB
Solidity
pragma experimental SMTChecker;
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contract C {
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uint a;
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bool b;
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function f() public returns(uint c) {
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c = b ? a + 1 : a--;
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assert(c > a);
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}
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}
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// ----
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// Warning 4984: (129-134): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\na = 115792089237316195423570985008687907853269984665640564039457584007913129639935, b = false\n\nc = 0\n\nTransaction trace:\nconstructor()\nState: a = 0, b = false\nf()\nState: a = 115792089237316195423570985008687907853269984665640564039457584007913129639935, b = false\nf()
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// Warning 3944: (137-140): CHC: Underflow (resulting value less than 0) happens here.\nCounterexample:\na = 0, b = false\n\nc = 0\n\nTransaction trace:\nconstructor()\nState: a = 0, b = false\nf()
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// Warning 6328: (150-163): CHC: Assertion violation happens here.\nCounterexample:\na = 115792089237316195423570985008687907853269984665640564039457584007913129639935, b = false\n\nc = 0\n\nTransaction trace:\nconstructor()\nState: a = 0, b = false\nf()
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