mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
31 lines
1.0 KiB
Solidity
31 lines
1.0 KiB
Solidity
contract C
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{
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function f() public pure {
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assert(msg.sig == 0x00000000);
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assert(msg.sig == 0x26121ff0);
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fi();
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gi();
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}
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function fi() internal pure {
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assert(msg.sig == 0x26121ff0);
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}
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function g() public pure {
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assert(msg.sig == 0xe2179b8e);
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gi();
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}
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function gi() internal pure {
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// Fails since f can also call gi in which case msg.sig == 0x26121ff0
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assert(msg.sig == 0xe2179b8e);
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}
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function h() public pure {
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// Fails since gi can also call h in which case msg.sig can be f() or g()
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assert(msg.sig == 0xe2179b8e);
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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 6328: (43-72): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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// Warning 6328: (370-399): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()\n C.fi() -- internal call\n C.gi() -- internal call
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// Warning 6328: (510-539): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.h()
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