diff --git a/tools/rdbg4sasa/gtkgui.ml b/tools/rdbg4sasa/gtkgui.ml
index 7afb6cf59550d86bc8070fa92e0db411dac4a5c0..006cd0c69ae9a6a828a15e71382d086d82ff85be 100644
--- a/tools/rdbg4sasa/gtkgui.ml
+++ b/tools/rdbg4sasa/gtkgui.ml
@@ -1,4 +1,4 @@
-(* Time-stamp: <modified the 14/05/2021 (at 15:40) by Erwan Jahier> *)
+(* Time-stamp: <modified the 19/05/2021 (at 17:04) by Erwan Jahier> *)
 
 #thread
 #require "lablgtk3"
@@ -482,7 +482,8 @@ let main () =
   in
   let button_cb_string cmd () =
     let txt = Printf.sprintf "%s" (cmd ()) in
-    text_out#buffer#set_text txt
+    text_out#buffer#set_text txt;
+    refresh ()
   in
 
   let back_step_button = button ~use_mnemonic:true ~stock:`GO_BACK ~packing:bbox#add () in
@@ -513,10 +514,12 @@ let main () =
   ignore (step_button#connect#clicked ~callback:(button_cb step));
   set_tooltip round_button "Move FORWARD to the next ROUND";
   change_label round_button "_Round";
-  ignore (round_button#connect#clicked ~callback:(button_cb nr));
+  ignore (round_button#connect#clicked
+            ~callback:(button_cb (fun () -> nr(); goto_hook_call())));
   set_tooltip back_round_button "Move BACKWARD to the previous ROUND";
   change_label back_round_button "Roun_d";
-  ignore (back_round_button#connect#clicked ~callback:(button_cb pr));
+  ignore (back_round_button#connect#clicked
+            ~callback:(button_cb (fun () -> pr();pr(); goto_hook_call())));
 
   let legitimate () = 
     let legitimate_button = button ~use_mnemonic:true ~packing:bbox#add () in
diff --git a/tools/rdbg4sasa/sasa-rdbg-cmds.ml b/tools/rdbg4sasa/sasa-rdbg-cmds.ml
index 03bf1a8a168e7ded1abb75782e46fc45dcfbcbb0..19c2284dee449d0b3f74f7844238696092543167 100644
--- a/tools/rdbg4sasa/sasa-rdbg-cmds.ml
+++ b/tools/rdbg4sasa/sasa-rdbg-cmds.ml
@@ -91,7 +91,12 @@ let (round : RdbgEvent.t -> bool) =
     round
   with Not_found ->
     let round =
-      e.kind = Ltop &&
+      ( if args.salut_mode then
+          e.kind = Exit && e.name = "mv_hook" && e.step > 1
+        else
+          e.kind = Ltop
+      )
+      &&
       let (pl : process list) = get_processes e in
       let rm_me = get_removable pl in
       if !verbose then (
@@ -139,8 +144,8 @@ let update_round_nb e =
 (* go to next and previous rounds  *)
 let next_round e =
   let ne = next_cond e round in
-  if ne.kind = e.kind then ne else next e
-  
+  ne
+
 let nr () = e:=next_round !e; store !e.nb; !dot_view ();;
 let pr () =
   e:=goto_last_ckpt !e.nb;
@@ -188,17 +193,21 @@ let str_of_sasa_event short e =
     let to_string_var (pid, n, v) =
       Printf.sprintf "%s_%s=%s" pid n (Data.val_to_string string_of_float v)
     in
+    let pot = match List.assoc_opt "potential" e.data with
+      | Some F f -> Printf.sprintf "potential = %.1f" f
+      | _ -> ""
+    in
     let vars = List.rev vars in
     update_round_nb e;
-    if short then
-      Printf.sprintf "[round %i, step %i%s] %s\n" !roundnb e.step
+    (if short then
+      Printf.sprintf "[round %i, step %i%s] %s %s\n" !roundnb e.step pot
         (if e.step <> e.nb then (":" ^ (string_of_int e.nb)) else "")
         (String.concat " " (List.map to_string_var vars))
     else
-      Printf.sprintf "Round %i - Step %i%s \nActive node states: %s\n" !roundnb e.step
+      Printf.sprintf "Round %i - Step %i%s \nActive node states: %s\n%s\n" !roundnb e.step
         (if e.step <> e.nb then ("\nEvent nb " ^ (string_of_int e.nb)) else "")
-        (String.concat " " (List.map to_string_var vars))
-      
+        (String.concat " " (List.map to_string_var vars)) pot
+   ) ^ (RdbgStdLib.string_of_event e)
       
 let print_sasa_event short e =
   if e.kind <> Ltop then print_event e else
@@ -236,6 +245,21 @@ let _ = add_doc_entry
     "viol" "unit -> unit" "Move forward until the oracle is violated"
     "sasa" "sasa-rdbg-cmds.ml"
 
+(**********************************************************************)
+(* Potential  *)
+
+let potential_opt () = List.assoc_opt "potential" !e.data
+
+let potential () =
+  match potential_opt () with
+  | Some F f -> Some f
+  | _ -> None
+
+let _ = add_doc_entry
+    "potential" "unit -> float option" "returns the current potential if available"
+    "sasa" "sasa-rdbg-cmds.ml"
+
+
 (**********************************************************************)
 (* Move forward until silence *)