mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
29 lines
1.3 KiB
Solidity
29 lines
1.3 KiB
Solidity
contract C {
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bool once;
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function f() public payable {
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require(!once);
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once = true;
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require(msg.value == 10);
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assert(address(this).balance >= 10); // should hold
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assert(address(this).balance >= 20); // should fail
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g();
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}
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function g() internal view {
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assert(address(this).balance >= 10); // should hold
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assert(address(this).balance >= 20); // should fail
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h();
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}
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function h() internal view {
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assert(address(this).balance >= 10); // should hold
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assert(address(this).balance >= 20); // should fail
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}
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}
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// ====
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// SMTEngine: all
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// SMTIgnoreOS: macos
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// ----
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// Warning 6328: (173-208): CHC: Assertion violation happens here.\nCounterexample:\nonce = true\n\nTransaction trace:\nC.constructor()\nState: once = false\nC.f(){ msg.value: 10 }
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// Warning 6328: (321-356): CHC: Assertion violation happens here.\nCounterexample:\nonce = true\n\nTransaction trace:\nC.constructor()\nState: once = false\nC.f(){ msg.value: 10 }\n C.g() -- internal call
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// Warning 6328: (469-504): CHC: Assertion violation happens here.\nCounterexample:\nonce = true\n\nTransaction trace:\nC.constructor()\nState: once = false\nC.f(){ msg.value: 10 }\n C.g() -- internal call\n C.h() -- internal call
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// Info 1180: Contract invariant(s) for :C:\n((:var 1).balances[address(this)] >= 0)\nonce\n
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