mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
34 lines
849 B
Solidity
34 lines
849 B
Solidity
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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// SMTEngine: all
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// ----
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// Warning 1218: (290-305='assert(y >= 20)'): CHC: Error trying to invoke SMT solver.
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// Warning 6328: (290-305='assert(y >= 20)'): CHC: Assertion violation might happen here.
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// Warning 6328: (329-344='assert(x >= 20)'): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 15\ny = 0\nb = true\nc = false\n\nTransaction trace:\nC.constructor()\nC.f(0, 0, true, false)
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// Warning 4661: (290-305='assert(y >= 20)'): BMC: Assertion violation happens here.
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