solidity/test/libsolidity/smtCheckerTests/special/msg_sender_range.sol

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contract C {
function f() public view {
assert(msg.sender >= address(0)); // should hold
assert(msg.sender <= address(2**160-1)); // should hold
}
}
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// ====
// SMTEngine: all
// ----
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// Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.