From 24f77debbcc2e85d0d6992968f46525be1ede075 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Loi=CC=88c=20Correnson?= <loic.correnson@cea.fr>
Date: Mon, 14 Jan 2019 16:05:38 +0100
Subject: [PATCH] [wp] linting files

---
 src/plugins/wp/Cfloat.ml        | 28 +++++------
 src/plugins/wp/Letify.ml        | 44 ++++++++---------
 src/plugins/wp/MemTyped.ml      | 38 +++++++--------
 src/plugins/wp/Model.ml         |  8 +--
 src/plugins/wp/Plang.ml         | 22 ++++-----
 src/plugins/wp/ProverScript.ml  | 68 +++++++++++++-------------
 src/plugins/wp/StmtSemantics.ml | 86 ++++++++++++++++-----------------
 src/plugins/wp/TacSplit.ml      |  6 +--
 src/plugins/wp/proof.ml         |  4 +-
 src/plugins/wp/proof.mli        |  2 +-
 src/plugins/wp/wpPropId.ml      |  6 +--
 11 files changed, 156 insertions(+), 156 deletions(-)

diff --git a/src/plugins/wp/Cfloat.ml b/src/plugins/wp/Cfloat.ml
index 7605e763426..a16ae09a683 100644
--- a/src/plugins/wp/Cfloat.ml
+++ b/src/plugins/wp/Cfloat.ml
@@ -73,17 +73,17 @@ let real = Str.regexp (mantissa ^ comma ^ exponent ^ "$")
 
 let parse_literal v r =
   try
-  if Str.string_match real r 0 then
-    let ma = Str.matched_group 1 r in
-    let mb = try Str.matched_group 3 r with Not_found -> "" in
-    let me = try Str.matched_group 6 r with Not_found -> "0" in
-    let n = int_of_string me - String.length mb in
-    let d n =
-      let s = Bytes.make (succ n) '0' in
-      Bytes.set s 0 '1' ; Q.of_string (Bytes.to_string s) in
-    let m = Q.of_string (ma ^ mb) in
-    if n < 0 then Q.div m (d (-n)) else
-    if n > 0 then Q.mul m (d n) else m
+    if Str.string_match real r 0 then
+      let ma = Str.matched_group 1 r in
+      let mb = try Str.matched_group 3 r with Not_found -> "" in
+      let me = try Str.matched_group 6 r with Not_found -> "0" in
+      let n = int_of_string me - String.length mb in
+      let d n =
+        let s = Bytes.make (succ n) '0' in
+        Bytes.set s 0 '1' ; Q.of_string (Bytes.to_string s) in
+      let m = Q.of_string (ma ^ mb) in
+      if n < 0 then Q.div m (d (-n)) else
+      if n > 0 then Q.mul m (d n) else m
     else Q.of_float v
   with Failure _ ->
     Warning.error ~source:"acsl" "Unexpected real literal %S" r
@@ -195,9 +195,9 @@ let builtin_error = function
 (* -------------------------------------------------------------------------- *)
 
 let float_of_real f a =
-    match Context.get model with
-    | Real -> a
-    | Float -> e_fun (flt_rnd f) [a]
+  match Context.get model with
+  | Real -> a
+  | Float -> e_fun (flt_rnd f) [a]
 
 let float_of_int f a = float_of_real f (Cmath.real_of_int a)
 let real_of_float _f a = a
diff --git a/src/plugins/wp/Letify.ml b/src/plugins/wp/Letify.ml
index cd4f63db13d..a6d1257b1a4 100644
--- a/src/plugins/wp/Letify.ml
+++ b/src/plugins/wp/Letify.ml
@@ -48,15 +48,15 @@ struct
     F.is_primitive e ||
     begin
       try Tmap.find e env.ground with Not_found ->
-      let r = match F.repr e with
-        | Rdef fvs -> List.for_all (fun (_,e) -> is_ground env e) fvs
-        | Fun(f,es) ->
-            begin match Fun.category f with
-              | Constructor -> List.for_all (is_ground env) es
-              | _ -> false
-            end
-        | _ -> false in
-      env.ground <- Tmap.add e r env.ground ; r
+        let r = match F.repr e with
+          | Rdef fvs -> List.for_all (fun (_,e) -> is_ground env e) fvs
+          | Fun(f,es) ->
+              begin match Fun.category f with
+                | Constructor -> List.for_all (is_ground env) es
+                | _ -> false
+              end
+          | _ -> false in
+        env.ground <- Tmap.add e r env.ground ; r
     end
 
   let merge a b =
@@ -75,7 +75,7 @@ struct
     | Model { m_category = Injection } -> 1
     | Model { m_category = Operator _ } -> 2
     | Model { m_category = Constructor } -> 3
-  
+
   let add_reduce env a b =
     env.domain <- Tmap.add a b env.domain
 
@@ -83,18 +83,18 @@ struct
     if F.is_subterm a b then add_reduce env b a else
     if F.is_subterm b a then add_reduce env a b else
       begin
-    match F.repr a , F.repr b with
-    | Fun(f,_) , Fun(g,_) when Wp_parameters.Reduce.get () ->
-        let cmp = frank f - frank g in
+        match F.repr a , F.repr b with
+        | Fun(f,_) , Fun(g,_) when Wp_parameters.Reduce.get () ->
+            let cmp = frank f - frank g in
             if cmp < 0 then add_reduce env a b else
             if cmp > 0 then add_reduce env b a
-    | Fun(f,_) , _ when frank f = 0 ->
+        | Fun(f,_) , _ when frank f = 0 ->
             add_reduce env a b
-    | _ , Fun(f,_) when frank f = 0 ->
+        | _ , Fun(f,_) when frank f = 0 ->
             add_reduce env b a
-    | _ -> ()
+        | _ -> ()
       end
-  
+
   let rec walk env h =
     match F.repr h with
     | True | False -> ()
@@ -128,7 +128,7 @@ struct
   let e_apply env =
     let sigma = F.sigma () in
     F.e_subst ~sigma (lookup env.domain)
-      
+
   let p_apply env =
     let sigma = F.sigma () in
     F.p_subst ~sigma (lookup env.domain)
@@ -145,12 +145,12 @@ struct
   [@@@ warning "+32"]
 
   let pretty fmt env = pp_sigma fmt env.domain
-  
+
   let assume env p =
     let p = F.p_subst (lookup env.domain) p in
     walk env (F.e_prop p) ; p
 
-  let top () = { ground = Tmap.empty ; domain = Tmap.empty } 
+  let top () = { ground = Tmap.empty ; domain = Tmap.empty }
   let copy env = { domain = env.domain ; ground = env.ground }
 
   let compute seq =
@@ -200,7 +200,7 @@ struct
     match F.p_expr p with
     | And ps -> F.p_all (assume env) (List.rev ps)
     | _ -> assume env p
-  
+
 end
 
 (* -------------------------------------------------------------------------- *)
@@ -402,7 +402,7 @@ struct
     end
 
   let is_kint e = match F.repr e with Qed.Logic.Kint _ -> true | _ -> false
-  
+
   let rec add_pred sigma p = match F.repr p with
     | And ps -> List.fold_left add_pred sigma ps
     | Eq(a,b) ->
diff --git a/src/plugins/wp/MemTyped.ml b/src/plugins/wp/MemTyped.ml
index 4ee4dae4e3d..daaac67fe85 100644
--- a/src/plugins/wp/MemTyped.ml
+++ b/src/plugins/wp/MemTyped.ml
@@ -265,7 +265,7 @@ let is_separated args = F.is_true (r_separated args)
 logic a : int
 logic b : int
 
-predicate R =     p.base = q.base 
+predicate R =     p.base = q.base
               /\ (q.offset <= p.offset)
               /\ (p.offset + a <= q.offset + b)
 
@@ -368,19 +368,19 @@ let phi_addr_of_int p =
 (* -------------------------------------------------------------------------- *)
 
 let () = Context.register
-  begin fun () ->
-    F.set_builtin_1   f_base   phi_base ;
-    F.set_builtin_1   f_offset phi_offset ;
-    F.set_builtin_2   f_shift  (phi_shift f_shift) ;
-    F.set_builtin_eqp f_shift  eq_shift ;
-    F.set_builtin_eqp f_global eq_shift ;
-    F.set_builtin p_separated r_separated ;
-    F.set_builtin p_included  r_included ;
-    F.set_builtin f_havoc r_havoc ;
-    F.set_builtin_get f_havoc r_get_havoc ;
-    F.set_builtin_1 a_addr_of_int phi_addr_of_int ;
-    F.set_builtin_1 a_int_of_addr phi_int_of_addr ;
-  end
+    begin fun () ->
+      F.set_builtin_1   f_base   phi_base ;
+      F.set_builtin_1   f_offset phi_offset ;
+      F.set_builtin_2   f_shift  (phi_shift f_shift) ;
+      F.set_builtin_eqp f_shift  eq_shift ;
+      F.set_builtin_eqp f_global eq_shift ;
+      F.set_builtin p_separated r_separated ;
+      F.set_builtin p_included  r_included ;
+      F.set_builtin f_havoc r_havoc ;
+      F.set_builtin_get f_havoc r_get_havoc ;
+      F.set_builtin_1 a_addr_of_int phi_addr_of_int ;
+      F.set_builtin_1 a_int_of_addr phi_int_of_addr ;
+    end
 
 (* -------------------------------------------------------------------------- *)
 (* --- Model Parameters                                                   --- *)
@@ -707,7 +707,7 @@ module STRING = Model.Generator(LITERAL)
       let fresh () =
         let eid = succ (EID.get ()) in
         EID.set eid ; eid
-      
+
       let compile (_,cst) =
         let eid = fresh () in
         let lfun = Lang.generated_f ~result:L.Int "Str_%d" eid in
@@ -875,7 +875,7 @@ struct
         [Trigger.of_pred eqmem ; Trigger.of_term phi ] ;
         [Trigger.of_pred eqmem ; Trigger.of_term phi'] ;
       ] ;
-      l_forall = F.p_vars lemma ; 
+      l_forall = F.p_vars lemma ;
       l_lemma = lemma ;
       l_cluster = cluster_memory () ;
     }
@@ -1274,7 +1274,7 @@ let stored s obj l v =
   | C_float _ -> updated s M_float l v
   | C_pointer _ -> updated s M_pointer l v
   | C_comp _ | C_array _ ->
-      Set(loadvalue s.post obj l, v) :: 
+      Set(loadvalue s.post obj l, v) ::
       (List.map (fun p -> Assert p) (havoc s obj l))
 
 let copied s obj p q = stored s obj p (loadvalue s.pre obj q)
@@ -1288,7 +1288,7 @@ let assigned_loc s obj l =
   | C_int _ | C_float _ | C_pointer _ ->
       let x = Lang.freshvar ~basename:"v" (Lang.tau_of_object obj) in
       List.map Cvalues.equation (stored s obj l (e_var x))
-  | C_comp _ | C_array _ -> 
+  | C_comp _ | C_array _ ->
       havoc s obj l
 
 let equal_loc s obj l =
@@ -1462,7 +1462,7 @@ and lookup_f f es =
     | RS_Field(fd,_) , [e] -> Mstate.field (lookup_lv e) fd
     | RS_Shift _ , [e;k] -> Mstate.index (lookup_lv e) k
     | _ -> raise Not_found
-  with Not_found when es = [] -> 
+  with Not_found when es = [] ->
     Sigs.(Mvar (RegisterBASE.find f),[])
 
 and lookup_lv e = try lookup_a e with Not_found -> Sigs.(Mmem e,[])
diff --git a/src/plugins/wp/Model.ml b/src/plugins/wp/Model.ml
index 996d4520bb8..041f5ec4acc 100644
--- a/src/plugins/wp/Model.ml
+++ b/src/plugins/wp/Model.ml
@@ -105,7 +105,7 @@ let register ~id ?(descr=id) ?(tuning=[]) ?(hypotheses=nohyp) () =
 let get_id m = m.id
 let get_descr m = m.descr
 let get_hypotheses m = m.hypotheses
-  
+
 type scope = Kernel_function.t option
 let scope : scope Context.value = Context.create "Wp.Scope"
 let model : model Context.value = Context.create "Wp.Model"
@@ -232,7 +232,7 @@ struct
       e.index <- MAP.remove k e.index ;
       e.lock <- SET.remove k e.lock ;
     end
-  
+
   let mem k = let e = entries () in MAP.mem k e.index || SET.mem k e.lock
   let find k = let e = entries () in MAP.find k e.index
 
@@ -338,7 +338,7 @@ struct
       e.index <- MAP.remove k e.index ;
       e.lock <- SET.remove k e.lock ;
     end
-  
+
   let mem k = let e = entries () in MAP.mem k e.index || SET.mem k e.lock
 
   let find k = let e = entries () in MAP.find k e.index
@@ -366,7 +366,7 @@ struct
       e.index <- MAP.add k d e.index ;
       fire k d ;
     end
-  
+
   let memoize f k =
     let e = entries () in
     try MAP.find k e.index
diff --git a/src/plugins/wp/Plang.ml b/src/plugins/wp/Plang.ml
index 7e24129a277..6b50f33ff85 100644
--- a/src/plugins/wp/Plang.ml
+++ b/src/plugins/wp/Plang.ml
@@ -20,7 +20,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-open Format    
+open Format
 open Qed.Logic
 open Qed.Engine
 open Lang
@@ -37,7 +37,7 @@ type pool = {
 
 let pool () = { vars = Vars.empty ; mark = Tset.empty }
 let alloc_domain p = p.vars
-               
+
 let rec walk p f e =
   if not (Tset.mem e p.mark) &&
      not (Vars.subset (F.vars e) p.vars)
@@ -75,7 +75,7 @@ class engine =
     inherit E.engine as super
     inherit Lang.idprinting
     method infoprover w = w.altergo
-    
+
     val mutable iformat : iformat = `Dec
     method get_iformat = iformat
     method set_iformat (f : iformat) = iformat <- f
@@ -97,7 +97,7 @@ class engine =
       fprintf fmt "@[<hov 2>%a[%a]@]" self#pp_subtau t self#pp_tau k
     method pp_datatype a fmt ts =
       Qed.Plib.pp_call_var ~f:(self#datatype a) self#pp_tau fmt ts
-      
+
     (* --- Primitives --- *)
 
     method e_true _ = "true"
@@ -128,9 +128,9 @@ class engine =
             Format.fprintf fmt "%s.0" (Z.to_string num)
           else
             Format.fprintf fmt "(%s.0/%s)" (Z.to_string num) (Z.to_string den)
-            
+
     (* --- Atomicity --- *)
-                      
+
     method callstyle = CallVar
     method is_atomic e =
       match F.repr e with
@@ -139,7 +139,7 @@ class engine =
       | Apply _ -> true
       | Aset _ | Aget _ | Fun _ -> true
       | _ -> F.is_simple e
-    
+
     (* --- Operators --- *)
 
     method op_spaced = Qed.Export.is_identifier
@@ -172,7 +172,7 @@ class engine =
         fprintf fmt "@ else %a" self#pp_atom pelse ;
         fprintf fmt "@]" ;
       end
-    
+
     (* --- Arrays --- *)
 
     method pp_array_cst fmt (_ : F.tau) v =
@@ -189,7 +189,7 @@ class engine =
 
     method pp_get_field fmt a fd =
       Format.fprintf fmt "%a.%s" self#pp_atom a (self#field fd)
-      
+
     method pp_def_fields fmt fvs =
       let base,fvs = match F.record_with fvs with
         | None -> None,fvs | Some(r,fvs) -> Some r,fvs in
@@ -225,7 +225,7 @@ class engine =
 
     method pp_apply (_:cmode) (_:term) (_:formatter) (_:term list) =
       failwith "Qed: higher-order application"
-        
+
     method pp_lambda (_:formatter) (_: (string * tau) list) =
       failwith "Qed: lambda abstraction"
 
@@ -253,5 +253,5 @@ class engine =
     (* --- Predicates --- *)
 
     method pp_pred fmt p = self#pp_prop fmt (F.e_prop p)
-    
+
   end
diff --git a/src/plugins/wp/ProverScript.ml b/src/plugins/wp/ProverScript.ml
index fc9fb31807f..b253a78e790 100644
--- a/src/plugins/wp/ProverScript.ml
+++ b/src/plugins/wp/ProverScript.ml
@@ -118,7 +118,7 @@ struct
     mutable backtrack : int ;
     mutable backtracking : backtracking option ;
   }
-  
+
   and backtracking = {
     bk_node : ProofEngine.node ;
     bk_depth : int ; (* depth of search *)
@@ -181,7 +181,7 @@ struct
               bk_depth = depth ;
               bk_pending = pending env ;
             }
-  
+
   let search env node ~depth =
     if env.auto <> [] && depth < env.depth && pending env < env.width
     then
@@ -211,7 +211,7 @@ struct
               with None -> None | Some fork -> Some (point.bk_depth,fork)
 
   let provers env = env.provers
-  
+
   let make tree
       ~valid ~failed ~provers
       ~depth ~width ~backtrack ~auto
@@ -246,11 +246,11 @@ let reconcile nodes scripts =
   | [] , [] -> ()
   | [_,n] , [_,s] -> ProofEngine.bind n s
   | _ ->
-  if List.for_all (fun (k,_) -> k = "") scripts 
-  then zip fst_order nodes scripts
-  else zip key_order
-      (List.stable_sort key_order nodes)
-      (List.stable_sort key_order scripts)
+      if List.for_all (fun (k,_) -> k = "") scripts
+      then zip fst_order nodes scripts
+      else zip key_order
+          (List.stable_sort key_order nodes)
+          (List.stable_sort key_order scripts)
 
 let rec forall phi = function
   | x::xs ->
@@ -277,35 +277,35 @@ let prove_node env node prv =
 let rec auto env ?(depth=0) node : bool Task.task =
   exists (prove_node env node) (Env.provers env) >>= fun ok ->
   if ok then Task.return true else
-    if depth > 0 then
-      autosearch env ~depth node
-    else
-      begin
-        autosearch env ~depth node >>= fun ok ->
-        if ok then Task.return true else
-          match Env.backtrack env with
-          | Some (depth,fork) ->
-              Env.progress env "Backtracking" ;
-              autofork env ~depth fork
-  | None ->
-      Task.return false
-      end
+  if depth > 0 then
+    autosearch env ~depth node
+  else
+    begin
+      autosearch env ~depth node >>= fun ok ->
+      if ok then Task.return true else
+        match Env.backtrack env with
+        | Some (depth,fork) ->
+            Env.progress env "Backtracking" ;
+            autofork env ~depth fork
+        | None ->
+            Task.return false
+    end
 
 and autosearch env ~depth node : bool Task.task =
   match Env.search env node ~depth with
-      | None -> Task.return false
+  | None -> Task.return false
   | Some fork -> autofork env ~depth fork
 
 and autofork env ~depth fork =
-          let _,children = ProofEngine.commit ~resolve:true fork in
-          let pending = Env.pending env in
-          if pending > 0 then
-            begin
-              Env.progress env (Printf.sprintf "Auto %d" pending) ;
-              let depth = succ depth in
-              forall (auto env ~depth) (List.map snd children)
-            end
-          else
+  let _,children = ProofEngine.commit ~resolve:true fork in
+  let pending = Env.pending env in
+  if pending > 0 then
+    begin
+      Env.progress env (Printf.sprintf "Auto %d" pending) ;
+      let depth = succ depth in
+      forall (auto env ~depth) (List.map snd children)
+    end
+  else
     ( Env.validate env ; Task.return true )
 
 (* -------------------------------------------------------------------------- *)
@@ -313,13 +313,13 @@ and autofork env ~depth fork =
 (* -------------------------------------------------------------------------- *)
 
 let rec crawl env on_child node = function
-  
+
   | [] ->
       let node = ProofEngine.anchor (Env.tree env) ?node () in
       auto env node >>= fun ok ->
       if ok then Env.validate env else Env.stuck env ;
       Task.return ()
-        
+
   | Error(msg,json) :: alternative ->
       Wp_parameters.error "@[<hov 2>Script Error %S: %a@]@." msg Json.pp json ;
       crawl env on_child node alternative
@@ -461,7 +461,7 @@ let has_proof wpo =
   try Hashtbl.find proofs wid
   with Not_found ->
     if ProofSession.exists wpo then
-      let ok = 
+      let ok =
         try
           let script = ProofScript.decode (ProofSession.load wpo) in
           ProofScript.status script = 0
diff --git a/src/plugins/wp/StmtSemantics.ml b/src/plugins/wp/StmtSemantics.ml
index c8653dd8aa4..b4fb518b70e 100644
--- a/src/plugins/wp/StmtSemantics.ml
+++ b/src/plugins/wp/StmtSemantics.ml
@@ -80,7 +80,7 @@ struct
     let flow =
       List.fold_left (fun flow (l, n) -> LabelMap.add l n flow) env.flow lns
     in { env with flow }
-  
+
   let (@:) env lbl =
     try
       LabelMap.find lbl env.flow
@@ -103,7 +103,7 @@ struct
   (* -------------------------------------------------------------------------- *)
   (* --- Paths & Cfg Utilities                                               --- *)
   (* -------------------------------------------------------------------------- *)
-  
+
   let paths_of_cfg cfg = {
     paths_cfg = cfg;
     paths_goals = Bag.empty;
@@ -140,9 +140,9 @@ struct
     | [] -> goto (env @: Clabels.here) (env @: Clabels.next)
     | [ elt ] -> f env elt
     | stmt :: stmts ->
-      let n = Cfg.node () in
-      let paths = f (bind Clabels.next n env) stmt in
-      paths @^ (sequence f (bind Clabels.here n env) stmts)
+        let n = Cfg.node () in
+        let paths = f (bind Clabels.next n env) stmt in
+        paths @^ (sequence f (bind Clabels.here n env) stmts)
 
   let choice ?(pre=Clabels.here) ?(post=Clabels.next) f env =
     let pre_node = env @: pre in
@@ -152,11 +152,11 @@ struct
     let rec aux env ns = function
       | [] -> goto (env @: pre) (env @: post)
       | [ elt ] ->
-        let n, paths = apply f env elt in
-        paths @^ either pre_node (n :: ns)
+          let n, paths = apply f env elt in
+          paths @^ either pre_node (n :: ns)
       | elt :: elts ->
-        let n, paths = apply f env elt in
-        paths @^ (aux env (n :: ns) elts)
+          let n, paths = apply f env elt in
+          paths @^ (aux env (n :: ns) elts)
     in
     aux env []
 
@@ -169,11 +169,11 @@ struct
     let rec aux env ns = function
       | [] -> goto (env @: pre) (env @: post)
       | [ elt ] ->
-        let n, (c,paths) = apply f env elt in
-        paths @^ implies pre_node ((c,n) :: ns)
+          let n, (c,paths) = apply f env elt in
+          paths @^ implies pre_node ((c,n) :: ns)
       | elt :: elts ->
-        let n, (c,paths) = apply f env elt in
-        paths @^ (aux env ((c,n) :: ns) elts)
+          let n, (c,paths) = apply f env elt in
+          paths @^ (aux env ((c,n) :: ns) elts)
     in
     aux env []
 
@@ -455,7 +455,7 @@ struct
            (** TODO: Kglobal is it always Kglobal ? *)
            let prop_id = WpPropId.mk_pre_id env.kf Kglobal b ip in
            pre_cond env ip prop_id)
-         (env @* [Clabels.next, nrequires]) b.b_requires
+        (env @* [Clabels.next, nrequires]) b.b_requires
       @^ assigns (env @* [Clabels.here, nrequires; Clabels.next, nassigns]) b.b_assigns
       @^ either nassigns [post_normal_behavior;post_at_exit_behavior]
       @^ List.fold_left
@@ -517,39 +517,39 @@ struct
   let transition
     : env -> nodes -> Automata.t Interpreted_automata.transition -> paths
     = fun env nodes tr ->
-    let open Interpreted_automata in
-    match tr with
-    | Skip | Enter { blocals = [] } | Leave { blocals = [] } ->
-        goto (env @: Clabels.here) (env @: Clabels.next)
-    | Enter {blocals} -> scope env Sigs.Enter blocals
-    | Leave {blocals} -> scope env Sigs.Leave blocals
-    | Return (r,_) -> return env r
+      let open Interpreted_automata in
+      match tr with
+      | Skip | Enter { blocals = [] } | Leave { blocals = [] } ->
+          goto (env @: Clabels.here) (env @: Clabels.next)
+      | Enter {blocals} -> scope env Sigs.Enter blocals
+      | Leave {blocals} -> scope env Sigs.Leave blocals
+      | Return (r,_) -> return env r
       | Prop ({kind = Assert|Invariant} as a, _) ->
-        let env = Logic_label.Map.fold
-            (fun logic_label vertex acc ->
-               let c_label = Clabels.of_logic logic_label in
-               let node = get_node nodes vertex in
-               bind c_label node acc
+          let env = Logic_label.Map.fold
+              (fun logic_label vertex acc ->
+                 let c_label = Clabels.of_logic logic_label in
+                 let node = get_node nodes vertex in
+                 bind c_label node acc
               ) a.labels env in
           assert_ env a.predicate (WpPropId.mk_property a.property)
       | Prop ({kind = Assume} as a, _)->
-        let env = Logic_label.Map.fold
-            (fun logic_label vertex acc ->
-               let c_label = Clabels.of_logic logic_label in
-               let node = get_node nodes vertex in
-               bind c_label node acc
+          let env = Logic_label.Map.fold
+              (fun logic_label vertex acc ->
+                 let c_label = Clabels.of_logic logic_label in
+                 let node = get_node nodes vertex in
+                 bind c_label node acc
               ) a.labels env in
           assume (pred env `Negative a.predicate.ip_content) @^
-        goto (env @: Clabels.here) (env @: Clabels.next)
+          goto (env @: Clabels.here) (env @: Clabels.next)
       | Prop _ ->
-      not_yet "[StmtSemantics] Annots other than 'assert'"
-    | Guard (exp,b,_) ->
-        let here = Sigma.create () in
-        let cond = C.cond here exp in
-        let condition = Cfg.C.create here cond in
-        (if b = Then then guard else guard')
-          (env @: Clabels.here) condition (env @: Clabels.next)
-    | Instr (i,_) -> instr env i
+          not_yet "[StmtSemantics] Annots other than 'assert'"
+      | Guard (exp,b,_) ->
+          let here = Sigma.create () in
+          let cond = C.cond here exp in
+          let condition = Cfg.C.create here cond in
+          (if b = Then then guard else guard')
+            (env @: Clabels.here) condition (env @: Clabels.next)
+      | Instr (i,_) -> instr env i
 
   let rec get_invariants g n (l:Automata.t Wto.partition) =
     let open Interpreted_automata in
@@ -652,7 +652,7 @@ struct
     partition nodes nop wto
 
   (** connect init to here. [is_pre_main] indicate if here is the
-     pre-state of main. *)
+      pre-state of main. *)
   let init ~is_pre_main env =
     let ninit = (env @: Clabels.init) in
     let sinit = Sigma.create () in
@@ -693,8 +693,8 @@ struct
                else cfg
             ) nop
         else nop
-    in
-    cfg_init @^ effect ninit havoc nconst @^ consts @^ goto nconst (env @: Clabels.here)
+      in
+      cfg_init @^ effect ninit havoc nconst @^ consts @^ goto nconst (env @: Clabels.here)
 
   let pre_spec env spec =
     let pre_cond polarity env p =
diff --git a/src/plugins/wp/TacSplit.ml b/src/plugins/wp/TacSplit.ml
index f10a7d100e1..afb0697cc5f 100644
--- a/src/plugins/wp/TacSplit.ml
+++ b/src/plugins/wp/TacSplit.ml
@@ -366,14 +366,14 @@ class split =
                           end
                       | _ -> Not_applicable
                     end
-                  | Or xs -> 
+                  | Or xs ->
                       let n = List.length xs in
                       feedback#set_title "Split (or)" ;
                       feedback#set_descr "Distinguish the %d parts of the Disjunction" n ;
                       let hyp i n e = Printf.sprintf "Case %d/%d" i n , When (F.p_bool e) in
                       let cases = Tactical.mapi hyp xs in
                       Applicable (Tactical.replace ~at:step.id cases)
-                  | Eq(x,y) when (F.is_prop x)&&(F.is_prop y) -> 
+                  | Eq(x,y) when (F.is_prop x)&&(F.is_prop y) ->
                       feedback#set_title "Split (iff)";
                       feedback#set_descr "Decompose Equivalence into both True/False" ;
                       let p = F.p_bool x in
@@ -383,7 +383,7 @@ class split =
                         "Both False" , When F.(p_and (p_not p) (p_not q)) ;
                       ] in
                       Applicable (Tactical.replace ~at:step.id cases)
-                  | Neq(x,y) when (F.is_prop x)&&(F.is_prop y) -> 
+                  | Neq(x,y) when (F.is_prop x)&&(F.is_prop y) ->
                       feedback#set_title "Split (xor)";
                       feedback#set_descr "Decompose Dis-Equivalence into alternated True/False" ;
                       let p = F.p_bool x in
diff --git a/src/plugins/wp/proof.ml b/src/plugins/wp/proof.ml
index 80ac0f08fd6..66f5ca87aa9 100644
--- a/src/plugins/wp/proof.ml
+++ b/src/plugins/wp/proof.ml
@@ -220,7 +220,7 @@ let find_script_for_goal ~gid ~legacy =
     Some(proof,qed)
   with Not_found ->
     None
-  
+
 let update_hints_for_goal goal hints =
   try
     let old_hints,script,qed = Hashtbl.find scriptbase goal in
@@ -283,7 +283,7 @@ let script_for ~pid ~gid ~legacy =
       let all = List.merge String.compare required hints in
       update_hints_for_goal gid all ) ;
   found
-  
+
 let rec head n = function [] -> []
                         | x::xs -> if n > 0 then x :: head (pred n) xs else []
 
diff --git a/src/plugins/wp/proof.mli b/src/plugins/wp/proof.mli
index 61a67225229..73093ed6f3f 100644
--- a/src/plugins/wp/proof.mli
+++ b/src/plugins/wp/proof.mli
@@ -33,7 +33,7 @@ val delete_script_for : gid:string -> unit
 (** [delete_script ~gid] remove known script for goal. *)
 
 val add_script_for : gid:string -> string list -> string -> string -> unit
-(** [new_script goal keys proof qed] registers the script [proof] 
+(** [new_script goal keys proof qed] registers the script [proof]
     terminated by [qed] for goal [gid] and keywords [keys] *)
 
 val parse_coqproof : string -> (string * string) option
diff --git a/src/plugins/wp/wpPropId.ml b/src/plugins/wp/wpPropId.ml
index e56f25358ce..71796b10c04 100644
--- a/src/plugins/wp/wpPropId.ml
+++ b/src/plugins/wp/wpPropId.ml
@@ -31,7 +31,7 @@ open Cil_datatype
  * depending on which part of the computation is involved.
  * For instance, properties on loops are split in 2 parts : establishment and
  * preservation.
- *)
+*)
 
 type prop_kind =
   | PKTactic      (** tactical sub-goal *)
@@ -352,7 +352,7 @@ struct
             Annotations.global_state ]
         let size = 97
       end)
-      
+
   let compute_ip ip =
     let truncate = max 20 (Wp_parameters.TruncPropIdFileName.get ()) in
     let basename = Property.Names.get_prop_basename ~truncate ip in
@@ -371,7 +371,7 @@ struct
       let unique_name = compute_ip ip in
       IndexTbl.add ip unique_name ;
       unique_name
-    
+
   let get_prop_id_base p =
     match p.p_kind , p.p_prop with
     | (PKTactic | PKCheck | PKProp | PKPropLoop) , p -> get_ip p
-- 
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