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; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status
(set-logic ABV)
(define-sort AddrSort () (_ BitVec 32))
(define-sort ValSort () (_ BitVec 8))
(define-sort MemSort () (Array AddrSort ValSort))
; Write the value y to index x
(define-fun WriteArr
; Args
((x AddrSort) (y ValSort) (arrIn MemSort))
; Return value
MemSort
; Function Body
(store arrIn x y)
)
; Read from index x
(define-fun ReadArr
; Args
((x AddrSort) (arrIn MemSort))
; Return value
ValSort
; Function Body
(select arrIn x)
)
(define-fun letf ((m MemSort) (v1 AddrSort) (v2 AddrSort)) ValSort
(bvadd
(ReadArr v1 m)
(ReadArr v2 m)))
(synth-fun f
; Args
((x0 ValSort) (x1 ValSort) (idx0 AddrSort) (idx1 AddrSort) (mem MemSort))
; Return value
ValSort
; Grammar
((Start ValSort) (StartArray MemSort) (ASVar AddrSort) (VSVar ValSort))
(
(Start ValSort (
(letf StartArray ASVar ASVar)))
(StartArray MemSort (
(WriteArr ASVar VSVar StartArray)
(WriteArr ASVar VSVar mem)))
; "Hack" to avoid parse errors in V2 format.
(ASVar AddrSort ((Variable AddrSort)))
(VSVar ValSort ((Variable ValSort)))
))
(declare-var a (_ BitVec 8))
(declare-var b (_ BitVec 8))
(declare-var c (_ BitVec 32))
(declare-var d (_ BitVec 32))
(declare-var e (Array (_ BitVec 32) (_ BitVec 8)))
(constraint (=> (not (= c d)) (= (bvadd a b) (f a b c d e))))
(check-synth)
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