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; COMMAND-LINE: --no-check-models ; EXPECT: sat (set-logic QF_UFLIA_SETS) (set-info :status sat) (declare-fun A () (Set Int)) (declare-fun C () (Set Int)) (declare-fun D () (Set Int)) (declare-fun E () (Set Int)) (set-info :status sat) (assert (= A (union D C))) (assert (not (= A (union E A)))) (check-sat)