solidity/test/libsolidity/smtCheckerTests/loops/while_loop_simple_5.sol

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pragma experimental SMTChecker;
// Check that side-effects of condition are taken into account
contract C {
function f(uint x, uint y) public pure {
x = 7;
while ((x = y) > 0) {
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--y;
}
assert(x == 7);
}
}
// ====
// SMTSolvers: z3
// ----
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// Warning: (224-238): Assertion violation happens here