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fix(BV): Treat bvand, bvor, bvxor as interpreted #1007

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merged 1 commit into from
Dec 11, 2023
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fix(BV): Treat bvand, bvor, bvxor as interpreted #1007

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11 changes: 9 additions & 2 deletions src/lib/reasoners/bitv.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -345,7 +345,9 @@ module Shostak(X : ALIEN) = struct

let is_mine_symb sy _ =
match sy with
| Sy.Bitv _ | Sy.Op (Concat | Extract _ | BV2Nat | BVnot) -> true
| Sy.Bitv _
| Op (Concat | Extract _ | BV2Nat | BVnot | BVand | BVor | BVxor)
-> true
| _ -> false

let embed r =
Expand Down Expand Up @@ -398,7 +400,12 @@ module Shostak(X : ALIEN) = struct
let (and+) = (and*)

let other ~neg t _sz ctx =
let r, ctx' = X.make t in
let r, ctx' =
match E.term_view t with
| { f = Op (BVand | BVor | BVxor); _ } ->
X.term_embed t, []
| _ -> X.make t
in
let ctx = List.rev_append ctx' ctx in
let bv = embed r in
if neg then negate_abstract bv, ctx else bv, ctx
Expand Down
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