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https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
cdfc19b503
Since the default is now to ignore the counterexamples when checking test output, we bring back counterexample checks in tests where the counterexample is (mostly) deterministic.
35 lines
895 B
Solidity
35 lines
895 B
Solidity
contract A {
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function f() public virtual returns (uint256 r) {
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return 1;
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}
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}
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contract B is A {
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function f() public virtual override returns (uint256 r) {
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return super.f() + 2;
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}
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}
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contract C is A {
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function f() public virtual override returns (uint256 r) {
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return super.f() + 4;
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}
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}
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contract D is B, C {
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function f() public override(B, C) returns (uint256 r) {
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r = super.f() + 8;
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assert(r == 15); // should hold
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assert(r == 13); // should fail
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}
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}
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// ====
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// SMTEngine: all
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// SMTIgnoreCex: no
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// ----
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// Warning 6328: (437-452): CHC: Assertion violation happens here.\nCounterexample:\n\nr = 15\n\nTransaction trace:\nD.constructor()\nD.f()\n C.f() -- internal call\n B.f() -- internal call\n A.f() -- internal call
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// Info 1391: CHC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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