2020-08-23 19:21:45 +00:00
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pragma experimental SMTChecker;
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contract C {
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function f() public pure {
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int16 x = 1;
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assert(~x == 0);
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x = 0xff;
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assert(~x == 0);
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x = 0x0f;
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assert(~x == 0xf0);
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x = -1;
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assert(~x != 0);
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x = -2;
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assert(~x == 1);
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}
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}
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// ----
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2021-01-06 15:06:15 +00:00
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// Warning 6328: (91-106): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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// Warning 6328: (122-137): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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// Warning 6328: (153-171): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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// Warning 6328: (185-200): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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