mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
32 lines
760 B
Solidity
32 lines
760 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f(uint x, uint y, bool b, bool c) public pure {
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require(x < 10);
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while (x < 10) {
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if (b) {
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x = 15;
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continue;
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}
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else {
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require(y < 10);
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while (y < 10) {
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if (c) {
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y = 20;
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continue;
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}
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y = 15;
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break;
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}
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assert(y >= 20);
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x = y;
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}
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}
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assert(x >= 20);
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}
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}
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// ----
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// Warning 6328: (323-338): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 0\ny = 15\nb = false\nc = false\n\n\nTransaction trace:\nconstructor()\nf(0, 0, false, false)
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// Warning 6328: (362-377): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 15\ny = 0\nb = true\nc = false\n\n\nTransaction trace:\nconstructor()\nf(0, 0, true, false)
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