test/regress/regress1/sygus/strings-double-rec.sy


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; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status
(set-logic SLIA)

(synth-fun f ((name String)) String
    ((Start String) (Start1 String) (Start2 String))
    ((Start String (name "A" "B" "" (str.++ Start1 Start2)))
     (Start1 String (name "A" "B" ""))
     (Start2 String (name "B" "A" (str.++ Start2 Start)))
))


(declare-var name String)

(constraint (= (f "BB") "AAAAAAAAAAAA"))

(check-synth)