solidity/test/libsolidity/smtCheckerTests/loops/do_while_break_2.sol

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pragma experimental SMTChecker;
contract C {
function f() public pure {
uint a = 0;
while (true) {
do {
break;
a = 2;
} while (true);
a = 1;
break;
}
assert(a == 1);
}
}
// ----
// Warning: (128-133): Unreachable code.
// Warning: (147-151): Unreachable code.