mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
31 lines
1.1 KiB
Solidity
31 lines
1.1 KiB
Solidity
contract C {
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function f(uint256 a, uint256 b) internal pure returns (uint256) {
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return a << b;
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}
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function t() public pure {
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assert(f(0x4266, 0x0) == 0x4266);
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// Fails because the above is true.
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assert(f(0x4266, 0x0) == 0x4268);
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assert(f(0x4266, 0x8) == 0x426600);
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// Fails because the above is true.
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assert(f(0x4266, 0x8) == 0x120939);
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assert(f(0x4266, 0xf0) == 0x4266000000000000000000000000000000000000000000000000000000000000);
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// Fails because the above is true.
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assert(f(0x4266, 0xf0) == 0x4266000000000000000000000000000000000000000000000000000000000001);
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assert(f(0x4266, 0x4266) == 0);
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// Fails because the above is true.
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assert(f(0x4266, 0x4266) == 1);
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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: (217-249): CHC: Assertion violation happens here.
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// Warning 6328: (330-364): CHC: Assertion violation happens here.
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// Warning 6328: (504-597): CHC: Assertion violation happens here.
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// Warning 6328: (674-704): CHC: Assertion violation happens here.
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// Info 1391: CHC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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