mirror of
https://github.com/ethereum/solidity
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24 lines
644 B
Solidity
24 lines
644 B
Solidity
contract C {
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uint gas;
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address origin;
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function f() public {
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gas = tx.gasprice;
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origin = tx.origin;
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g();
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}
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function g() internal view {
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assert(gas >= 0); // should hold
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assert(uint160(origin) >= 0); // should hold
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assert(gas == tx.gasprice); // should fail with BMC
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assert(origin == tx.origin); // should fail with BMC
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}
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}
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// ====
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// SMTEngine: bmc
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// ----
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// Warning 4661: (233-259): BMC: Assertion violation happens here.
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// Warning 4661: (287-314): BMC: Assertion violation happens here.
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// Info 6002: BMC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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