diff --git a/src/plugins/pdg/api.ml b/src/plugins/pdg/api.ml
index 2dcc57f4a5c8126f0d553176daf8f57559e37333..6f6df8d3b0a4987dd8b32a4feb3d7cd3ca020564 100644
--- a/src/plugins/pdg/api.ml
+++ b/src/plugins/pdg/api.ml
@@ -70,7 +70,7 @@ let find_fun_variant_nodes = Annot.find_fun_variant_nodes
 
 let find_call_out_nodes_to_select = Sets.find_call_out_nodes_to_select
 let find_in_nodes_to_select_for_this_call =
-    Sets.find_in_nodes_to_select_for_this_call
+  Sets.find_in_nodes_to_select_for_this_call
 
 (**************************************************************************)
 
diff --git a/src/plugins/pdg/api.mli b/src/plugins/pdg/api.mli
index c0a8fcf858c1d78103b5b166178774c58abad318..89b6912d3f1bfa8bc154de77f8ccc33ceb35bfcf 100644
--- a/src/plugins/pdg/api.mli
+++ b/src/plugins/pdg/api.mli
@@ -221,7 +221,7 @@ val find_fun_variant_nodes : t -> Cil_types.term ->
     they use polymorphic types. **)
 
 val find_call_out_nodes_to_select :
-    t -> PdgTypes.NodeSet.t -> t ->  Cil_types.stmt -> PdgTypes.Node.t list
+  t -> PdgTypes.NodeSet.t -> t ->  Cil_types.stmt -> PdgTypes.Node.t list
 (** [find_call_out_nodes_to_select pdg_called called_selected_nodes
     pdg_caller call_stmt]
     @return the call outputs nodes [out] such that
@@ -229,7 +229,7 @@ val find_call_out_nodes_to_select :
     intersects [called_selected_nodes]. *)
 
 val find_in_nodes_to_select_for_this_call :
-    t -> PdgTypes.NodeSet.t -> Cil_types.stmt -> t -> PdgTypes.Node.t list
+  t -> PdgTypes.NodeSet.t -> Cil_types.stmt -> t -> PdgTypes.Node.t list
 (** [find_in_nodes_to_select_for_this_call
     pdg_caller caller_selected_nodes call_stmt pdg_called]
     @return the called input nodes such that the corresponding nodes
diff --git a/src/plugins/wp/tests/wp_bts/bts_1586.i b/src/plugins/wp/tests/wp_bts/bts_1586.i
index dab7fc01fe3489960e604ec1a582048561820a0e..510137770e7c34d8dcec9e29899e910519cbaa7e 100644
--- a/src/plugins/wp/tests/wp_bts/bts_1586.i
+++ b/src/plugins/wp/tests/wp_bts/bts_1586.i
@@ -1,54 +1,54 @@
-
-/*@ behavior Bizarre:
-      assumes x;
-      ensures TRANS: x ==> \result==1 ;
- */
-int compute_bizarre(int x)
-{
-  if (x)
-    return 1;
-  else
-    return 2;
-}
-
-/*@ behavior Normal:
-      assumes x;
-      ensures TRANS: x <==> \result==1 ;
- */
-int compute_normal(int x)
-{
-  if (x)
-    return 1;
-  else
-    return 2;
-}
-
-int main_bizarre_KO(int x)
-{
-  int trans = compute_bizarre(x);
-
-  switch(trans) {
-  case 0:
-    //@ assert FALSE: \false;
-    return -1;
-    break;
-  default:
-    return -1;
-    break;
-  }
-}
-
-int main_normal_KO(int x)
-{
-  int trans = compute_normal(x);
-
-  switch(trans) {
-  case 0:
-    //@ assert FALSE: \false;
-    return -1;
-    break;
-  default:
-    return -1;
-    break;
-  }
-}
+
+/*@ behavior Bizarre:
+      assumes x;
+      ensures TRANS: x ==> \result==1 ;
+ */
+int compute_bizarre(int x)
+{
+  if (x)
+    return 1;
+  else
+    return 2;
+}
+
+/*@ behavior Normal:
+      assumes x;
+      ensures TRANS: x <==> \result==1 ;
+ */
+int compute_normal(int x)
+{
+  if (x)
+    return 1;
+  else
+    return 2;
+}
+
+int main_bizarre_KO(int x)
+{
+  int trans = compute_bizarre(x);
+
+  switch(trans) {
+  case 0:
+    //@ assert FALSE: \false;
+    return -1;
+    break;
+  default:
+    return -1;
+    break;
+  }
+}
+
+int main_normal_KO(int x)
+{
+  int trans = compute_normal(x);
+
+  switch(trans) {
+  case 0:
+    //@ assert FALSE: \false;
+    return -1;
+    break;
+  default:
+    return -1;
+    break;
+  }
+}
diff --git a/src/plugins/wp/tests/wp_bts/ergo_typecheck.i b/src/plugins/wp/tests/wp_bts/ergo_typecheck.i
index 27786043f20fd6d2e90613e767fd3de0deed156c..3a05b9220dd03e2b1b1444e202df0a8a79ab2978 100644
--- a/src/plugins/wp/tests/wp_bts/ergo_typecheck.i
+++ b/src/plugins/wp/tests/wp_bts/ergo_typecheck.i
@@ -1,44 +1,44 @@
-typedef struct
-{
-    unsigned int a[2];
-    unsigned int b[2];
-    unsigned int c;
-} my_type;
-
-my_type  var = {0};
-
-/*@
-  @ ensures  var_divded : var == {\old(var) \with
-  @                                 .a = {\old(var.a) \with
-  @                                     [0] = (unsigned int) 0,
-  @                                     [1] = (unsigned int) 1},
-  @                                 .b = {\old(var.b) \with
-  @                                     [0] = (unsigned int)(\old(var.b[0]) + 1),
-  @                                     [1] = (unsigned int)(\old(var.b[1]) + 2)},
-  @                                 .c = (unsigned int) 5
-  @                               };
-  @
-  @ ensures  var_inline : var == {\old(var) \with
-  @                                 .a[0] = (unsigned int) 0,
-  @                                 .a[1] = (unsigned int) 1,
-  @                                 .b[0] = (unsigned int)(\old(var.b[0]) + 1),
-  @                                 .b[1] = (unsigned int)(\old(var.b[1]) + 2),
-  @                                 .c = (unsigned int) 5
-  @                               };
-  @
-  @ ensures var_unit0 : var.a[0] == 0;
-  @ ensures var_unit1 : var.a[1] == 1;
-  @ ensures var_unit2 : var.b[0] == (unsigned int)(\old(var.b[0]) + 1);
-  @ ensures var_unit3 : var.b[1] == (unsigned int)(\old(var.b[1]) + 2);
-  @ ensures var_unit4 : var.c == 5;
-  @ assigns var;
-  @
- */
-void f()
-{
-    var.a[0] = 0u;
-    var.a[1] = 1u;
-    var.b[0] ++;
-    var.b[1] += 2;
-    var.c = 5u;
-}
+typedef struct
+{
+    unsigned int a[2];
+    unsigned int b[2];
+    unsigned int c;
+} my_type;
+
+my_type  var = {0};
+
+/*@
+  @ ensures  var_divded : var == {\old(var) \with
+  @                                 .a = {\old(var.a) \with
+  @                                     [0] = (unsigned int) 0,
+  @                                     [1] = (unsigned int) 1},
+  @                                 .b = {\old(var.b) \with
+  @                                     [0] = (unsigned int)(\old(var.b[0]) + 1),
+  @                                     [1] = (unsigned int)(\old(var.b[1]) + 2)},
+  @                                 .c = (unsigned int) 5
+  @                               };
+  @
+  @ ensures  var_inline : var == {\old(var) \with
+  @                                 .a[0] = (unsigned int) 0,
+  @                                 .a[1] = (unsigned int) 1,
+  @                                 .b[0] = (unsigned int)(\old(var.b[0]) + 1),
+  @                                 .b[1] = (unsigned int)(\old(var.b[1]) + 2),
+  @                                 .c = (unsigned int) 5
+  @                               };
+  @
+  @ ensures var_unit0 : var.a[0] == 0;
+  @ ensures var_unit1 : var.a[1] == 1;
+  @ ensures var_unit2 : var.b[0] == (unsigned int)(\old(var.b[0]) + 1);
+  @ ensures var_unit3 : var.b[1] == (unsigned int)(\old(var.b[1]) + 2);
+  @ ensures var_unit4 : var.c == 5;
+  @ assigns var;
+  @
+ */
+void f()
+{
+    var.a[0] = 0u;
+    var.a[1] = 1u;
+    var.b[0] ++;
+    var.b[1] += 2;
+    var.c = 5u;
+}
diff --git a/tests/pdg/sets.ml b/tests/pdg/sets.ml
index 8ebb56e106c19aca5a76f2a18d0001e7fdd14fd8..23c627b3a5bb207fb6a40a3d1ec5fcd793dfbe3e 100644
--- a/tests/pdg/sets.ml
+++ b/tests/pdg/sets.ml
@@ -1,57 +1,57 @@
-open Cil_types;;
-
-let pp_nodes msg nodes =
-  Kernel.result "%s" msg ;
-  List.iter (fun n -> Kernel.result "%a" (Pdg.Api.pretty_node false) n) nodes;;
-
-exception Find of varinfo;;
-
-let main _ =
-  let f = Globals.Functions.find_by_name "f" in
-  let pdg = Pdg.Api.get f in
-
-  (* Uncomment to retrieve sid *)
-  (*Kernel.Debug.set 1;;
-    Format.eprintf "@[%a@]@." Printer.pp_global (Kernel_function.get_global f);;
-  *)
-  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-  let stmt_1 = fst (Kernel_function.find_from_sid 1) in (* y = 0 *)
-  let node = Pdg.Api.find_stmt_node pdg stmt_1 in
-  let nodes = Pdg.Api.all_uses pdg [node] in
-  pp_nodes "Test [all_uses] stmt1" nodes;
-
-  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-  let y =
-    try
-      Globals.Vars.iter (fun v _ -> if v.vname = "y" then raise (Find v));
-      assert false
-    with Find v ->
-      v
-  in
-
-  let y_zone = Locations.(enumerate_valid_bits Read (loc_of_varinfo y)) in
-  let y_at_11_nodes, undef = (* y=5 *)
-    Pdg.Api.find_location_nodes_at_stmt
-      pdg (fst (Kernel_function.find_from_sid 11)) ~before:false y_zone
-  in
-
-  assert (undef = None);
-  let y_at_11_nodes = List.map (fun (n,_z) -> n) y_at_11_nodes in
-
-  let () = pp_nodes "Test [find_location_nodes_at_stmt] y@11" y_at_11_nodes in
-  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-  let nodes = Pdg.Api.all_dpds pdg y_at_11_nodes in
-  let () = pp_nodes "Test [all_dpds] y@11" nodes in
-  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-  let nodes = Pdg.Api.all_uses pdg y_at_11_nodes in
-  let () = pp_nodes "Test [all_uses] y@11" nodes in
-  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-  let all_related_nodes pdg =
-    let all n = (Pdg.Api.direct_uses pdg n) @ (Pdg.Api.direct_dpds pdg n) in
-    Pdg.Api.custom_related_nodes all
-  in
-  let nodes = all_related_nodes pdg y_at_11_nodes in
-  pp_nodes "Test [all_related_nodes] y@11" nodes
-(*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
-
-let () = Db.Main.extend main
+open Cil_types;;
+
+let pp_nodes msg nodes =
+  Kernel.result "%s" msg ;
+  List.iter (fun n -> Kernel.result "%a" (Pdg.Api.pretty_node false) n) nodes;;
+
+exception Find of varinfo;;
+
+let main _ =
+  let f = Globals.Functions.find_by_name "f" in
+  let pdg = Pdg.Api.get f in
+
+  (* Uncomment to retrieve sid *)
+  (*Kernel.Debug.set 1;;
+    Format.eprintf "@[%a@]@." Printer.pp_global (Kernel_function.get_global f);;
+  *)
+  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+  let stmt_1 = fst (Kernel_function.find_from_sid 1) in (* y = 0 *)
+  let node = Pdg.Api.find_stmt_node pdg stmt_1 in
+  let nodes = Pdg.Api.all_uses pdg [node] in
+  pp_nodes "Test [all_uses] stmt1" nodes;
+
+  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+  let y =
+    try
+      Globals.Vars.iter (fun v _ -> if v.vname = "y" then raise (Find v));
+      assert false
+    with Find v ->
+      v
+  in
+
+  let y_zone = Locations.(enumerate_valid_bits Read (loc_of_varinfo y)) in
+  let y_at_11_nodes, undef = (* y=5 *)
+    Pdg.Api.find_location_nodes_at_stmt
+      pdg (fst (Kernel_function.find_from_sid 11)) ~before:false y_zone
+  in
+
+  assert (undef = None);
+  let y_at_11_nodes = List.map (fun (n,_z) -> n) y_at_11_nodes in
+
+  let () = pp_nodes "Test [find_location_nodes_at_stmt] y@11" y_at_11_nodes in
+  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+  let nodes = Pdg.Api.all_dpds pdg y_at_11_nodes in
+  let () = pp_nodes "Test [all_dpds] y@11" nodes in
+  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+  let nodes = Pdg.Api.all_uses pdg y_at_11_nodes in
+  let () = pp_nodes "Test [all_uses] y@11" nodes in
+  (*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+  let all_related_nodes pdg =
+    let all n = (Pdg.Api.direct_uses pdg n) @ (Pdg.Api.direct_dpds pdg n) in
+    Pdg.Api.custom_related_nodes all
+  in
+  let nodes = all_related_nodes pdg y_at_11_nodes in
+  pp_nodes "Test [all_related_nodes] y@11" nodes
+(*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*)
+
+let () = Db.Main.extend main
diff --git a/tests/spec/const_ptr_bts1729.i b/tests/spec/const_ptr_bts1729.i
index e2231335e0454d2586897f1552b3eac698e88e87..cb6ef2c2f0fe442b5bcd69f4714ec14f65cd0c73 100644
--- a/tests/spec/const_ptr_bts1729.i
+++ b/tests/spec/const_ptr_bts1729.i
@@ -1,4 +1,4 @@
-
-static void elem_size(void) {
-	//@ assert \valid_read((char const * const *)0);
-}
+
+static void elem_size(void) {
+	//@ assert \valid_read((char const * const *)0);
+}
diff --git a/tests/syntax/copy_visitor_bts_1073_bis.ml b/tests/syntax/copy_visitor_bts_1073_bis.ml
index d26b1010abf5ca0abdc6ed8c1f089c43bc39291c..7f6abc845200d0eceff40365c3c812cd702b3632 100644
--- a/tests/syntax/copy_visitor_bts_1073_bis.ml
+++ b/tests/syntax/copy_visitor_bts_1073_bis.ml
@@ -1,55 +1,55 @@
-(*============================================================================*)
-module P = Plugin.Register
-    (struct
-      let name = "Testing plugin"
-      let shortname = "test"
-      let help = "Just to test Filter..."
-    end)
-module Opt = P.False
-    (struct
-      let option_name = "-test"
-      let help = "switch the plug-in on"
-    end)
-(*============================================================================*)
-module Visi = struct
-  exception EraseAssigns
-  exception EraseAllocation
+(*============================================================================*)
+module P = Plugin.Register
+    (struct
+      let name = "Testing plugin"
+      let shortname = "test"
+      let help = "Just to test Filter..."
+    end)
+module Opt = P.False
+    (struct
+      let option_name = "-test"
+      let help = "switch the plug-in on"
+    end)
+(*============================================================================*)
+module Visi = struct
+  exception EraseAssigns
+  exception EraseAllocation
 
-  type fct = unit
-  type proj = unit
+  type fct = unit
+  type proj = unit
 
-  let fct_name vf _fi = vf.Cil_types.vname
-  let fct_info () _ = [ () ]
-  let param_visible _ _ = true
-  let body_visible _fi = true
-  let loc_var_visible _ _ = true
-  let inst_visible _ _ = true
-  let label_visible _ _ _ = true
-  let annotation_visible  _ _ _ = true
-  let fun_precond_visible _ _ = true
-  let fun_postcond_visible  _ _ = true
-  let fun_variant_visible _ _ = true
-  let fun_frees_visible _ _ = true
-  let fun_allocates_visible _ _ = true
-  let fun_assign_visible _ _ = true
-  let fun_deps_visible _ _ = true
-  let called_info _ _ = None
-  let res_call_visible _ _ = true
-  let result_visible _ _ = true
-  let cond_edge_visible _ _ = true, true
-end
-(*============================================================================*)
-let main () =
-  if Opt.get () then
-    begin
-      let _ast = Ast.get () in
-      P.feedback "start compute";
-      let new_proj_name = "filtered" in
-      let module Transform = Filter.F (Visi) in
-      let new_prj = Transform.build_cil_file new_proj_name () in
-      Project.on new_prj Opt.clear ();
-      P.feedback "exported in new project : %s" new_proj_name
-    end
+  let fct_name vf _fi = vf.Cil_types.vname
+  let fct_info () _ = [ () ]
+  let param_visible _ _ = true
+  let body_visible _fi = true
+  let loc_var_visible _ _ = true
+  let inst_visible _ _ = true
+  let label_visible _ _ _ = true
+  let annotation_visible  _ _ _ = true
+  let fun_precond_visible _ _ = true
+  let fun_postcond_visible  _ _ = true
+  let fun_variant_visible _ _ = true
+  let fun_frees_visible _ _ = true
+  let fun_allocates_visible _ _ = true
+  let fun_assign_visible _ _ = true
+  let fun_deps_visible _ _ = true
+  let called_info _ _ = None
+  let res_call_visible _ _ = true
+  let result_visible _ _ = true
+  let cond_edge_visible _ _ = true, true
+end
+(*============================================================================*)
+let main () =
+  if Opt.get () then
+    begin
+      let _ast = Ast.get () in
+      P.feedback "start compute";
+      let new_proj_name = "filtered" in
+      let module Transform = Filter.F (Visi) in
+      let new_prj = Transform.build_cil_file new_proj_name () in
+      Project.on new_prj Opt.clear ();
+      P.feedback "exported in new project : %s" new_proj_name
+    end
 
-let () = Db.Main.extend main
-(*============================================================================*)
+let () = Db.Main.extend main
+(*============================================================================*)
diff --git a/tests/syntax/duplicated_global_bts1129.i b/tests/syntax/duplicated_global_bts1129.i
index b95f7dfed63c40ac468c5af75edf3b4f1d7ef84b..b8ac93ff233a19e3dcd95c1d12e7297ff4c9668e 100644
--- a/tests/syntax/duplicated_global_bts1129.i
+++ b/tests/syntax/duplicated_global_bts1129.i
@@ -1,7 +1,7 @@
-void f(int* x);
-
-void f(int* x) { *x++; }
-
-int X;
-//@ ensures X==1;
-void f(int* x);
+void f(int* x);
+
+void f(int* x) { *x++; }
+
+int X;
+//@ ensures X==1;
+void f(int* x);