mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
34 lines
922 B
Solidity
34 lines
922 B
Solidity
contract C {
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bytes data;
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address sender;
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bytes4 sig;
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uint value;
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function f() public payable {
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data = msg.data;
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sender = msg.sender;
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sig = msg.sig;
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value = msg.value;
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require(value == 42);
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g();
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}
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function g() internal view {
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assert(data.length >= 0); // should hold
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assert(uint160(sender) >= 0); // should hold
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assert(uint32(sig) >= 0); // should hold
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assert(value >= 0); // should hold
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assert(data.length == msg.data.length); // should hold with CHC
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assert(sender == msg.sender); // should hold with CHC
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assert(sig == msg.sig); // should hold with CHC
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assert(value == msg.value); // should hold with CHC
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assert(msg.value == 10); // should fail
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}
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}
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// ====
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// SMTEngine: chc
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// ----
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// Warning 6328: (645-668): CHC: Assertion violation happens here.
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// Info 1391: CHC: 8 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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