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This commit is contained in:
Simon Cruanes 2020-10-09 22:09:15 -04:00
parent 7e6800811f
commit 581c7eff0b
1 changed files with 12 additions and 2 deletions
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14
src/th-lra/Sidekick_lra.ml
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@ -220,7 +220,7 @@ module Make(A : ARG) : S with module A = A = struct
Some proxy
| LRA_const _ | LRA_other _ -> None
let final_check_ (self:state) si (acts:SI.actions) (trail:_ Iter.t) : unit =
let final_check_ (self:state) _si (_acts:SI.actions) (trail:_ Iter.t) : unit =
Log.debug 5 "(th-lra.final-check)";
let simplex = Simplex.create() in
(* first, add definitions *)
@ -250,7 +250,6 @@ module Make(A : ARG) : S with module A = A = struct
let pred = match pred_to_funarith pred with
| `Neq -> Sidekick_util.Error.errorf "cannot handle negative LEQ equality"
| (`Eq | `Geq | `Gt | `Leq | `Lt) as p -> p
(* | p -> p *)
in
let c = Constr.of_expr e pred in
Simplex.add_constr simplex c;
@ -263,6 +262,17 @@ module Make(A : ARG) : S with module A = A = struct
() (* TODO: model combination *)
| Simplex.Unsatisfiable cert ->
Log.debugf 5 (fun k->k"lra: simplex returns UNSAT@ with cert %a" Simplex.pp_cert cert);
(* find what terms are involved *)
let asserts =
cert.Simplex.cert_expr
|> Iter.of_list
|> Iter.filter_map
(function
| V_t -> Some t
| V_fresh _ -> None)
|> Iter.to_rev_list
in
Simplex.cert
() (* TODO: produce conflict *)
end;
()