mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
31 lines
1.2 KiB
Solidity
31 lines
1.2 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, 0) == 0x4266);
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// Fails because the above is true.
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assert(f(0x4266, 0) == 0x426);
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assert(f(0x4266, 0x8) == 0x42);
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// Fails because the above is true.
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assert(f(0x4266, 0x8) == 0x420);
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assert(f(0x4266, 0x11) == 0);
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// Fails because the above is true.
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assert(f(0x4266, 0x11) == 1);
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assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 1809251394333065553493296640760748560207343510400633813116524750123642650624);
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// Fails because the above is true.
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assert(f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 5) == 0);
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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: (215-244): CHC: Assertion violation happens here.
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// Warning 6328: (321-352): CHC: Assertion violation happens here.
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// Warning 6328: (427-455): CHC: Assertion violation happens here.
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// Warning 6328: (673-769): 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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