mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
29 lines
565 B
Solidity
29 lines
565 B
Solidity
pragma experimental SMTChecker;
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abstract contract D {
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function d() external virtual;
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}
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contract C {
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int x;
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D d;
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function set(int n) public {
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require(n < 100);
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x = n;
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}
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function f() public {
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x = 0;
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try d.d() {
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assert(x < 100); // should hold
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} catch {
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assert(x == 0); // should hold, all changes to x has been reverted
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assert(x == 1); // should fail
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}
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}
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}
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// ----
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// Warning 6328: (348-362): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, d = 0\n\n\n\nTransaction trace:\nC.constructor()\nState: x = 0, d = 0\nC.f()
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