mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
31 lines
1.0 KiB
Solidity
31 lines
1.0 KiB
Solidity
contract D {
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constructor(uint _x) { x = _x; }
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function setD(uint _x) public { x = _x; }
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uint public x;
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}
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contract C {
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uint x;
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function f() public {
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x = 666;
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address d = address(new D(42));
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assert(D(d).x() == 42); // should hold
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assert(D(d).x() == 21); // should fail
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d.call(abi.encodeCall(D.setD, (21)));
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assert(D(d).x() == 21); // should hold, but false positive cus low level calls are not handled precisely
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assert(D(d).x() == 42); // should fail
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assert(x == 666); // should hold, C's storage should not have been havoced
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}
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}
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// ====
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// SMTEngine: chc
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// SMTExtCalls: trusted
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// SMTIgnoreCex: yes
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// ----
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// Warning 9302: (284-320): Return value of low-level calls not used.
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// Warning 6328: (243-265): CHC: Assertion violation happens here.
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// Warning 6328: (324-346): CHC: Assertion violation happens here.
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// Warning 6328: (431-453): CHC: Assertion violation happens here.
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// Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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