solidity/test/libsolidity/smtCheckerTests/operators/unary_add.sol

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pragma experimental SMTChecker;
contract C
{
function f() public pure {
uint x = 2;
uint a = ++x;
assert(x == 3);
assert(a == 3);
uint b = x++;
assert(x == 4);
// Should fail.
assert(b < 3);
}
}
// ----
// Warning 6328: (194-207): CHC: Assertion violation happens here.\nCounterexample:\n\n\n\n\nTransaction trace:\nC.constructor()\nC.f()