solidity/test/libsolidity/smtCheckerTests/loops/while_loop_simple_1.sol

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pragma experimental SMTChecker;
// Check that variables are cleared
contract C {
function f(uint x) public pure {
x = 2;
while (x > 1) {
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x = 1;
}
assert(x == 2);
}
}
// ----
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// Warning: (194-208): Assertion violation happens here