solidity/test/libsolidity/smtCheckerTests/bmc_coverage/call_balance.sol

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contract C {
function f(address _a) public {
uint b1 = address(this).balance;
_a.call("");
uint b2 = address(this).balance;
assert(b1 == b2); // should fail
}
}
// ====
// SMTEngine: bmc
// ----
// Warning 9302: (83-94): Return value of low-level calls not used.
// Warning 4661: (133-149): BMC: Assertion violation happens here.