mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
24 lines
522 B
Solidity
24 lines
522 B
Solidity
pragma experimental SMTChecker;
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contract C {
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uint x;
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address owner;
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modifier onlyOwner {
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if (msg.sender == owner) _;
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}
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function f() public onlyOwner {
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x = 0;
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}
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function g(uint y) public {
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x = 1;
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if (y > 0)
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f();
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// Fails for {y = >0, msg.sender == owner, x = 0}.
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assert(x > 0);
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}
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}
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// ----
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// Warning 6328: (287-300): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, owner = 0\ny = 1\n\nTransaction trace:\nC.constructor()\nState: x = 0, owner = 0\nC.g(1)\n C.f() -- internal call
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