simon/sidekick
1
0
Fork 0
mirror of https://github.com/c-cube/sidekick.git synced 2025-12-10 05:03:59 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Small update for clause info about proofs

Browse source
This commit is contained in:
Guillaume Bury 2015-02-09 15:34:49 +01:00
parent a7951ea143
commit 3d951db181
1 changed files with 10 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
solver/solver.ml
View file

@ -365,12 +365,12 @@ module Make (L : Log_intf.S)(F : Formula_intf.S)
if a.is_true then raise Trivial;
if a.neg.is_true then
match a.var.vpremise with
| History v -> atoms, [init0]
| History v -> atoms, false
| Lemma p -> assert false
else
a::atoms, init
in
let atoms, init = List.fold_left aux ([], []) atoms in
let atoms, init = List.fold_left aux ([], true) atoms in
List.fast_sort (fun a b -> a.var.vid - b.var.vid) atoms, init
let partition atoms init0 =
@ -383,7 +383,7 @@ module Make (L : Log_intf.S)(F : Formula_intf.S)
else if a.neg.is_true then
if a.var.level = 0 then match a.var.vpremise with
| History v ->
partition_aux trues unassigned falses [init0] r
partition_aux trues unassigned falses false r
| Lemma _ -> assert false
else
partition_aux trues unassigned (a::falses) init r
@ -392,7 +392,7 @@ module Make (L : Log_intf.S)(F : Formula_intf.S)
if decision_level () = 0 then
simplify_zero atoms init0
else
partition_aux [] [] [] [] atoms
partition_aux [] [] [] true atoms
let add_clause ?tag name atoms history =
if env.is_unsat then raise Unsat;
@ -401,17 +401,16 @@ module Make (L : Log_intf.S)(F : Formula_intf.S)
Log.debug 10 "Adding clause : %a" St.pp_clause init0;
try
let atoms, init = partition atoms init0 in
let history = match init with
| [] -> history
| l -> History l
in
let size = List.length atoms in
match atoms with
| [] ->
report_unsat init0;
| a::b::_ ->
let name = fresh_name () in
let clause = make_clause ?tag (init_name ^ "_" ^ name) atoms size (history <> History []) history in
let clause =
if init then init0
else make_clause ?tag (init_name ^ "_" ^ name) atoms size true (History [init0])
in
Log.debug 10 "New clause : %a" St.pp_clause init0;
attach_clause clause;
Vec.push env.clauses clause;
@ -426,8 +425,8 @@ module Make (L : Log_intf.S)(F : Formula_intf.S)
end
| [a] ->
cancel_until 0;
a.var.vpremise <- history;
enqueue a 0 (match init with [init0] -> Some init0 | _ -> None)
a.var.vpremise <- History [init0];
enqueue a 0 (if init then None else Some init0)
with Trivial -> ()