diff --git a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_adt_mmodel.h b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_adt_mmodel.h
index e2f7516b1785e1d60ef31a92c13fac5015a02d26..bc59349979dcf458f3de505d762a4cd7e5051a0a 100644
--- a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_adt_mmodel.h
+++ b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_adt_mmodel.h
@@ -20,6 +20,9 @@
 /*                                                                        */
 /**************************************************************************/
 
+#ifndef E_ACSL_ADT_MMODEL
+#define E_ACSL_ADT_MMODEL
+
 #include "e_acsl_string.h"
 #include "e_acsl_printf.h"
 #include "e_acsl_assert.h"
@@ -386,11 +389,12 @@ void __e_acsl_memory_init(int *argc_ref, char ***argv_ref) { }
 /**********************/
 /* DEBUG              */
 /**********************/
+#ifdef E_ACSL_DEBUG
 
 /* print the information about a block */
-void __print_block (struct _block * ptr) {
+void __e_acsl_print_block (struct _block * ptr) {
   if (ptr != NULL) {
-    printf("%p; %zu Bytes; %slitteral; [init] : %li ",
+    DLOG("%p; %zu Bytes; %slitteral; [init] : %li ",
       (char*)ptr->ptr, ptr->size,
       ptr->is_litteral_string ? "" : "not ", ptr->init_cpt);
     if(ptr->init_ptr != NULL) {
@@ -398,14 +402,17 @@ void __print_block (struct _block * ptr) {
       for(i = 0; i < ptr->size; i++) {
         int ind = i / 8;
         int one_bit = (unsigned)1 << (8 - (i % 8) - 1);
-        printf("%i", (ptr->init_ptr[ind] & one_bit) != 0);
+        DLOG("%i", (ptr->init_ptr[ind] & one_bit) != 0);
       }
     }
-    printf("\n");
+    DLOG("\n");
   }
 }
 
 /* print the content of the abstract structure */
-void __debug() {
-  __debug_struct();
+void __e_acsl_debug() {
+  __e_acsl_debug_struct();
 }
+
+#endif
+#endif
diff --git a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_bittree.h b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_bittree.h
index f91d0123bd157dfb1d3210a4b330135931e7bb29..f02290d5df74403fb635f44c23e27427ae4db003 100644
--- a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_bittree.h
+++ b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_bittree.h
@@ -431,31 +431,33 @@ static void __clean_struct () {
 /* DEBUG             */
 /*********************/
 
+#ifdef E_ACSL_DEBUG
 /* called from __debug_struct */
 /* recursively print the content of the structure */
 /*@ assigns \nothing;
   @*/
-static void __debug_rec (struct bittree * ptr, int depth) {
+static void debug_rec (struct bittree * ptr, int depth) {
   int i;
   if(ptr == NULL)
     return;
   for(i = 0; i < depth; i++)
-    printf("  ");
+    DLOG("  ");
   if(ptr->is_leaf)
-    __print_block(ptr->leaf);
+    __e_acsl_print_block(ptr->leaf);
   else {
-    printf("%p -- %p\n", (void*)ptr->mask, (void*)ptr->addr);
-    __debug_rec(ptr->left, depth+1);
-    __debug_rec(ptr->right, depth+1);
+    DLOG("%p -- %p\n", (void*)ptr->mask, (void*)ptr->addr);
+    debug_rec(ptr->left, depth+1);
+    debug_rec(ptr->right, depth+1);
   }
 }
 
 /* print the content of the structure */
 /*@ assigns \nothing;
   @*/
-static void __debug_struct () {
-  printf("------------DEBUG\n");
-  __debug_rec(__root, 0);
-  printf("-----------------\n");
+void __e_acsl_debug_struct () {
+  DLOG("------------DEBUG\n");
+  debug_rec(__root, 0);
+  DLOG("-----------------\n");
 }
 #endif
+#endif
diff --git a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_list.h b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_list.h
index 04e2e34f7cb92ae6aa3c846bc758e587a7212e86..4ccfb00d0976613ed531c94772f5eddcd9d7a9df 100644
--- a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_list.h
+++ b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_list.h
@@ -123,14 +123,19 @@ static void __clean_struct() {
   }
 }
 
-
-static void __debug_struct() {
+/*********************/
+/* DEBUG             */
+/*********************/
+#ifdef E_ACSL_DEBUG
+void __e_acsl_debug_struct() {
   struct _node * tmp = __list;
-  printf("\t\t\t------------DEBUG\n");
+  DLOG("\t\t\t------------DEBUG\n");
   for(; tmp != NULL; tmp = tmp->next) {
-    printf("\t\t\t");
-    __print_block(tmp->value);
+    DLOG("\t\t\t");
+    __e_acsl_print_block(tmp->value);
   }
-  printf("\t\t\t-----------------\n");
+  DLOG("\t\t\t-----------------\n");
 }
+
+#endif
 #endif
diff --git a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_splaytree.h b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_splaytree.h
index 6c86b89e421cab6278b9fc235f608758ae7ef2b2..8fe4837efbf66dfba17c1af80a11c7355661027a 100644
--- a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_splaytree.h
+++ b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_splaytree.h
@@ -180,17 +180,23 @@ static void __clean_struct() {
   __clean_rec(__root);
 }
 
-static void __debug_rec(struct _node * ptr) {
+/*********************/
+/* DEBUG             */
+/*********************/
+#ifdef E_ACSL_DEBUG
+static void debug_rec(struct _node * ptr) {
   if(ptr == NULL) return;
-  __debug_rec(ptr->left);
-  printf("\t\t\t");
-  __print_block(ptr->value);
-  __debug_rec(ptr->right);
+  debug_rec(ptr->left);
+  DLOG("\t\t\t");
+  __e_acsl_print_block(ptr->value);
+  debug_rec(ptr->right);
 }
 
-static void __debug_struct() {
-  printf("\t\t\t------------DEBUG\n");
-  __debug_rec(__root);
-  printf("\t\t\t-----------------\n");
+void __e_acsl_debug_struct() {
+  DLOG("\t\t\t------------DEBUG\n");
+  debug_rec(__root);
+  DLOG("\t\t\t-----------------\n");
 }
+
+#endif
 #endif
diff --git a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_tree.h b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_tree.h
index d10bf1bef72256e059ae715fd01ffe4fb7c16e67..4e55bd5fde0b5b0fce25d23b283d8ed196618b74 100644
--- a/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_tree.h
+++ b/src/plugins/e-acsl/share/e-acsl/adt_models/e_acsl_tree.h
@@ -140,18 +140,23 @@ static void __clean_struct() {
   __clean_rec(__root);
 }
 
-
-static void __debug_rec(struct _node * ptr) {
+/*********************/
+/* DEBUG             */
+/*********************/
+#ifdef E_ACSL_DEBUG
+static void debug_rec(struct _node * ptr) {
   if(ptr == NULL) return;
-  __debug_rec(ptr->left);
-  printf("\t\t\t");
-  __print_block(ptr->value);
-  __debug_rec(ptr->right);
+  debug_rec(ptr->left);
+  DLOG("\t\t\t");
+  __e_acsl_print_block(ptr->value);
+  debug_rec(ptr->right);
 }
 
-static void __debug_struct() {
-  printf("\t\t\t------------DEBUG\n");
+void __e_acsl_debug_struct() {
+  DLOG("\t\t\t------------DEBUG\n");
   __debug_rec(__root);
-  printf("\t\t\t-----------------\n");
+  DLOF("\t\t\t-----------------\n");
 }
+
+#endif
 #endif