mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
32 lines
939 B
Solidity
32 lines
939 B
Solidity
contract C {
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uint x;
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uint y;
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function g(uint _x) public {
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uint z = f1(_x);
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assert(x == 0); // should hold because f1 is pure
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assert(z == _x); // should hold but f1 was abstracted as nondet, so it fails
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uint t = f2(_x);
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assert(y == 0); // should hold because f1 is pure and f2 is view
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assert(t == _x); // should hold
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}
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/// @custom:smtchecker abstract-function-nondet
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function f1(uint _x) internal pure returns (uint) {
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return _x;
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}
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function f2(uint _y) internal view returns (uint) {
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return _y;
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}
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}
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// ====
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// SMTEngine: chc
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// SMTIgnoreCex: yes
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// ----
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// Warning 2018: (33-335): Function state mutability can be restricted to view
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// Warning 2018: (457-524): Function state mutability can be restricted to pure
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// Warning 6328: (135-150): CHC: Assertion violation happens here.
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// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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