mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
35 lines
985 B
Solidity
35 lines
985 B
Solidity
contract A {
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int x = 0;
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function f() virtual internal {
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x = 2;
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}
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function proxy() public {
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f();
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}
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}
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contract C is A {
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function f() internal virtual override {
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super.f();
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assert(x == 2);
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assert(x == 3); // should fail
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}
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}
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contract D is C {
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function f() internal override {
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super.f();
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assert(x == 2);
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assert(x == 3); // should fail
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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: (205-219): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nC.constructor()\nState: x = 0\nA.proxy()\n C.f() -- internal call\n A.f() -- internal call
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// Warning 6328: (328-342): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nD.constructor()\nState: x = 0\nA.proxy()\n D.f() -- internal call\n C.f() -- internal call\n A.f() -- internal call
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// Info 1180: Contract invariant(s) for :A:\n((x = 0) || (x = 2))\nContract invariant(s) for :D:\n((x = 0) || (x = 2))\n
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