mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
34 lines
1.0 KiB
Solidity
34 lines
1.0 KiB
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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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 fail with BMC
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assert(sender == msg.sender); // should fail with BMC
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assert(sig == msg.sig); // should fail with BMC
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assert(value == msg.value); // 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: (394-432): BMC: Assertion violation happens here.
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// Warning 4661: (460-488): BMC: Assertion violation happens here.
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// Warning 4661: (516-538): BMC: Assertion violation happens here.
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// Warning 4661: (566-592): BMC: Assertion violation happens here.
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// Info 6002: BMC: 8 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
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