2021-09-06 22:14:28 +00:00
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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 hold with CHC
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assert(origin == tx.origin); // should hold with CHC
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2021-09-16 17:18:26 +00:00
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assert(tx.origin == address(this)); // should fail
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2021-09-06 22:14:28 +00:00
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}
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}
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// ====
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// SMTEngine: chc
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2021-11-24 10:38:22 +00:00
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// SMTIgnoreOS: macos
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2021-09-06 22:14:28 +00:00
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// ----
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2023-02-09 16:07:13 +00:00
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// Warning 6328: (343-377): 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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