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-rw-r--r--unit-tests/uf4.smt29
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diff --git a/unit-tests/uf4.smt2 b/unit-tests/uf4.smt2
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+(set-logic QF_UF)
+(declare-sort U 0)
+(declare-fun x () U)
+(declare-fun y () U)
+(declare-fun z () U)
+(declare-fun f (U) U)
+(assert (and (not (= (f x) (f y))) (= y z) (= (f x) (f (f z))) (= x y)))
+(check-sat)
+(exit)