2021-08-20 16:47:38 +00:00
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contract C {
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uint sum = msg.value;
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function f() public payable {
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sum += msg.value;
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}
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function inv() public view {
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assert(address(this).balance == sum); // should fail
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assert(address(this).balance >= sum); // should hold
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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: (122-158): CHC: Assertion violation happens here.\nCounterexample:\nsum = 0\n\nTransaction trace:\nC.constructor()\nState: sum = 0\nC.inv()
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2021-10-06 09:53:03 +00:00
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// Info 1180: Contract invariant(s) for :C:\n((sum + ((- 1) * (:var 1).balances[address(this)])) <= 0)\n
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