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; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status
(set-logic BV)
(define-sort Stream () (_ BitVec 2))
(define-fun BV_ONE () Stream (_ bv1 2))
(define-fun
O ( (X Stream) ) Stream
(bvneg (bvand X (bvnot (bvsub X BV_ONE))))
)
(synth-fun op ((x Stream)) Stream
(( y_term Stream))
(( y_term Stream (
( Constant Stream)
( Variable Stream)
( bvnot y_term )
( bvand y_term y_term )
( bvor y_term y_term )
( bvneg y_term )
( bvadd y_term y_term )
( bvsub y_term y_term )
( bvmul y_term y_term )
( bvudiv y_term y_term )
( bvurem y_term y_term )
( bvshl y_term y_term )
( bvlshr y_term y_term )
))
))
(define-fun C ((x Stream)) Bool
(= (op x) (O x))
)
(constraint (and
(C (_ bv0 2))
(C (_ bv1 2))
(C (_ bv2 2))
(C (_ bv3 2))
))
(check-synth)
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