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

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pragma experimental SMTChecker;
contract C
{
uint[] array;
function f(uint x) public {
array[x] = 5;
uint a = --array[x];
assert(array[x] == 4);
assert(a == 4);
uint b = array[x]--;
assert(array[x] == 3);
// Should fail.
assert(b > 4);
}
}
// ----
// Warning 4661: (240-253): Assertion violation happens here