mirror of
https://github.com/ethereum/solidity
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48 lines
891 B
Solidity
48 lines
891 B
Solidity
pragma experimental SMTChecker;
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contract C {
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bool a;
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bool b;
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bool c;
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bool d;
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bool e;
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bool f;
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function press_A() public {
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if(e) { a = true; } else { reset(); }
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}
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function press_B() public {
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if(c) { b = true; } else { reset(); }
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}
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function press_C() public {
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if(a) { c = true; } else { reset(); }
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}
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function press_D() public {
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d = true;
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}
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function press_E() public {
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if(d) { e = true; } else { reset(); }
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}
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function press_F() public {
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if(b) { f = true; } else { reset(); }
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}
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function is_not_solved() view public {
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// f = true can be reached by calling the functions
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// press_D()
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// press_E()
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// press_A()
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// press_C()
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// press_B()
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// press_F()
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assert(!f);
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}
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function reset() internal {
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a = false;
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b = false;
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c = false;
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d = false;
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e = false;
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f = false;
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}
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}
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// ----
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// Warning 6328: (689-699): CHC: Assertion violation happens here.
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