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refactor: better debug in LRA

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This commit is contained in:
Simon Cruanes 2020-11-12 18:46:34 -05:00
parent 9a3e387405
commit 3e703cf89e
2 changed files with 20 additions and 5 deletions
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10
src/arith/lra/Sidekick_arith_lra.ml
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@ -69,6 +69,7 @@ module Make(A : ARG) : S with module A = A = struct
module FM_A = FM.Make(struct
module T = T
type tag = Lit.t
let pp_tag = Lit.pp
end)
(* linear expressions *)
@ -142,6 +143,9 @@ module Make(A : ARG) : S with module A = A = struct
let t = fresh_term ~pre self Ty.bool in
mk_lit t
let pp_pred_def out (p,l1,l2) : unit =
Fmt.fprintf out "(@[%a@ :l1 %a@ :l2 %a@])" FM.Pred.pp p LE.pp l1 LE.pp l2
(* turn the term into a linear expression. Apply [f] on leaves. *)
let rec as_linexp ~f (t:T.t) : LE.t =
let open LE.Infix in
@ -175,13 +179,15 @@ module Make(A : ARG) : S with module A = A = struct
let l2 = as_linexp ~f:recurse t2 in
let proxy = fresh_term self ~pre:"_pred_lra_" Ty.bool in
T.Tbl.add self.pred_defs proxy (pred, l1, l2);
Log.debugf 5 (fun k->k"lra.preprocess.step %a :into %a" T.pp t T.pp proxy);
Log.debugf 5 (fun k->k"@[<hv2>lra.preprocess.step %a@ :into %a@ :def %a@]"
T.pp t T.pp proxy pp_pred_def (pred,l1,l2));
Some proxy
| LRA_op _ | LRA_mult _ ->
let le = as_linexp ~f:recurse t in
let proxy = fresh_term self ~pre:"_e_lra_" (T.ty t) in
self.t_defs <- (proxy, le) :: self.t_defs;
Log.debugf 5 (fun k->k"lra.preprocess.step %a :into %a" T.pp t T.pp proxy);
Log.debugf 5 (fun k->k"@[<hv2>lra.preprocess.step %a@ :into %a@ :def %a@]"
T.pp t T.pp proxy LE.pp le);
Some proxy
| LRA_const _ | LRA_other _ -> None

15
src/arith/lra/fourier_motzkin.ml
View file

@ -12,6 +12,7 @@ module type ARG = sig
end
type tag
val pp_tag : tag Fmt.printer
end
module Pred : sig
@ -173,10 +174,17 @@ module Make(A : ARG)
if Q.equal Q.one q then T.pp out e
else Fmt.fprintf out "%a * %a" Q.pp_print q T.pp e
in
Fmt.fprintf out "(@[%a@ + %a@])"
Q.pp_print self.const (Util.pp_iter ~sep:" + " pp_pair) (M.to_iter self.le)
let pp_sum out le =
(Util.pp_iter ~sep:" + " pp_pair) out (M.to_iter le)
in
if Q.sign self.const = 0 then (
Fmt.fprintf out "(@[%a@])" pp_sum self.le
) else (
Fmt.fprintf out "(@[%a@ + %a@])" Q.pp_print self.const pp_sum self.le
)
end
(** {2 Constraints} *)
module Constr = struct
type t = {
pred: Pred.t;
@ -271,7 +279,8 @@ module Make(A : ARG)
)
let assert_c (self:t) c0 : unit =
Log.debugf 10 (fun k->k "(@[FM.add-constr@ %a@])" Constr.pp c0);
Log.debugf 10 (fun k->k "(@[FM.add-constr@ %a@ :tags %a@])"
Constr.pp c0 (Fmt.Dump.list A.pp_tag) c0.tag);
let c = Constr.normalize c0 in
if c.pred <> c0.pred then (
Log.debugf 30 (fun k->k "(@[FM.normalized %a@])" Constr.pp c);