mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
27 lines
1.1 KiB
Solidity
27 lines
1.1 KiB
Solidity
==== Source: A ====
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struct S { uint x; }
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function set(S storage a, uint v) { a.x = v; }
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==== Source: B ====
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import "A";
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import "A" as A;
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contract C {
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A.S data;
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function f(uint v) internal returns (uint one, uint two) {
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A.set(data, v);
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one = data.x;
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set(data, v + 1);
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two = data.x;
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}
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function g() public {
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(uint x, uint y) = f(7);
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assert(x == 7); // should hold but the SMTChecker doesn't know that
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assert(y == 8); // should hold but the SMTChecker doesn't know that
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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: (B:238-252): CHC: Assertion violation happens here.\nCounterexample:\ndata = {x: 0}\nx = 0\ny = 0\n\nTransaction trace:\nC.constructor()\nState: data = {x: 0}\nC.g()\n C.f(7) -- internal call\n A:set({x: 0}, 7) -- internal call\n A:set({x: 0}, 8) -- internal call
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// Warning 6328: (B:308-322): CHC: Assertion violation happens here.\nCounterexample:\ndata = {x: 0}\nx = 0\ny = 0\n\nTransaction trace:\nC.constructor()\nState: data = {x: 0}\nC.g()\n C.f(7) -- internal call\n A:set({x: 0}, 7) -- internal call\n A:set({x: 0}, 8) -- internal call
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