diff --git a/src/ModelCheckBaseMT.cpp b/src/ModelCheckBaseMT.cpp
index 166eed4c21f3b4253ff9582ca0a2bf55a9015944..4e8df685fe1b365ccd5d90965a331e3c2964e8fa 100644
--- a/src/ModelCheckBaseMT.cpp
+++ b/src/ModelCheckBaseMT.cpp
@@ -22,7 +22,7 @@ void ModelCheckBaseMT::loadNet()
 
 ModelCheckBaseMT::~ModelCheckBaseMT()
 {
-    cout<<__func__<<endl;
+   
 }
 
 
diff --git a/src/ModelCheckerTh.cpp b/src/ModelCheckerTh.cpp
index aedecafb3ed09834f9c093238fbd02db5cbfc080..64b36944e20071c8fb317bba19c923e1a1b68e0c 100644
--- a/src/ModelCheckerTh.cpp
+++ b/src/ModelCheckerTh.cpp
@@ -228,16 +228,13 @@ void ModelCheckerTh::ComputeTh_Succ()
 
 }
 ModelCheckerTh::~ModelCheckerTh() {
-    m_finish=true;
-    cout<<"Destructor"<<endl;
-    pthread_barrier_wait(&m_barrier_threads);
-    cout<<"Before builder..."<<endl;
-    pthread_barrier_wait(&m_barrier_builder);
-    cout<<"After barrier..."<<endl;
+    m_finish=true;    
+    pthread_barrier_wait(&m_barrier_threads);    
+    pthread_barrier_wait(&m_barrier_builder);    
     for (int i = 0; i < m_nb_thread; i++)
      {
          cout<<"thread "<<i<<endl;
          pthread_join(m_list_thread[i], NULL);
      }
-     cout<<"Exit Destructor"<<endl;
+     
 }
diff --git a/src/main.cpp b/src/main.cpp
index 620d144c1bdcacdb2f78fda9d7b2805e8b5547ab..34115a97cf6e794b1a2178d4ebcc8cbb85b795a7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -157,18 +157,17 @@ int main(int argc, char** argv)
         mcl->loadNet();        
         auto k =
             std::make_shared<SogKripkeTh>(d,mcl,R.getListTransitionAP(),R.getListPlaceAP());
-                            cout<<"Want to save the graph in a dot file ?";
+        /*                    cout<<"Want to save the graph in a dot file ?";
                 cin>>c;
                 if (c=='y')
                 {
                     fstream file;
-
                     string st(argv[3]);
                     st+=".dot";
                     file.open(st.c_str(),fstream::out);
                     spot::print_dot(file, k,"ka");
                     file.close();
-                }                                ;
+                }     */                           ;
         // Performing on the fly Modelchecking
         cout<<"Performing on the fly Modelchecking"<<endl;