; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status

(set-logic ALL)
(declare-datatype Ex ((Ex2 (ex Int))))

(synth-fun ident ((x1 Ex)) Int
	((Start Int) (ntInt Int) (ntEx Ex))
	(
		(Start Int (ntInt))
		(ntInt Int
			(
				(ex ntEx)
			)
		)
		(ntEx Ex ( x1 ))
	)
)
(constraint (= (ident (Ex2 1)) 1))
(check-synth)