; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status --uf-ho
(set-logic ALL)
(synth-fun f ((y (-> Int Int)) (z Int)) Int)
(declare-var z (-> Int Int))
(constraint (= (f z 0) (z 1)))
(constraint (= (f z 1) (z 2)))
(check-synth)