diff --git a/src/taalgos/emptinessta.cc b/src/taalgos/emptinessta.cc
index 277dec58f..6d63a6a9a 100644
--- a/src/taalgos/emptinessta.cc
+++ b/src/taalgos/emptinessta.cc
@@ -276,6 +276,9 @@ namespace spot
             std::list<state*> rem;
             bool acc = false;
 
+            trace
+                              << "***PASS 1: CYCLE***" << std::endl;
+
             while (threshold < scc.top().index)
               {
                 assert(!scc.empty());
@@ -306,15 +309,23 @@ namespace spot
 
             if (is_accepting_sscc)
               {
-                clear(h, todo, init_set);
                 trace
-                  << "PASS 1: SUCCESS" << std::endl;
+                  << "PASS 1: SUCCESS : a_->is_livelock_accepting_state(curr): " << a_->is_livelock_accepting_state(curr) <<  std::endl;
                 trace
                                   << "PASS 1: scc.top().condition : " <<  bdd_format_accset(a_->get_dict(),
                                       scc.top().condition) << std::endl;
                 trace
-                                  << "PASS 1: a_->all_acceptance_conditions() : " <<  bdd_format_accset(a_->get_dict(),
-                                      a_->all_acceptance_conditions()) << std::endl;
+                                  << "PASS 1: a_->all_acceptance_conditions() : " << (scc.top().condition == a_->all_acceptance_conditions()) << std::endl;
+
+                trace
+                                                  << "PASS 1: bddtrue : " <<  (a_->all_acceptance_conditions()==
+                                                      bddtrue) << std::endl;
+
+                trace
+                                                  << "PASS 1: bddfalse : " <<  (a_->all_acceptance_conditions()==
+                                                      bddfalse) << std::endl;
+
+                clear(h, todo, init_set);
                 return true;
               }
 
diff --git a/src/taalgos/tgba2ta.cc b/src/taalgos/tgba2ta.cc
index 0bdb34aa0..41db794e6 100644
--- a/src/taalgos/tgba2ta.cc
+++ b/src/taalgos/tgba2ta.cc
@@ -18,6 +18,17 @@
 // Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 // 02111-1307, USA.
 
+#define TRACE
+
+#include <iostream>
+#ifdef TRACE
+#define trace std::clog
+#else
+#define trace while (0) std::clog
+#endif
+
+
+
 #include "ltlast/atomic_prop.hh"
 #include "ltlast/constant.hh"
 #include "tgba/formula2bdd.hh"
@@ -441,6 +452,9 @@ namespace spot
             if (*spi.second == -1)
               continue;
 
+            trace
+                                          << "***compute_livelock_acceptance_states: CYCLE***" << std::endl;
+
             if (!curr->compare(dest))
               {
                 state_ta_explicit * self_loop_state =
@@ -449,6 +463,8 @@ namespace spot
 
                 if (testing_automata->is_accepting_state(self_loop_state))
                   self_loop_state->set_livelock_accepting_state(true);
+                trace
+                                              << "***compute_livelock_acceptance_states: CYCLE: self_loop_state***" << std::endl;
 
               }
 
diff --git a/src/tgbatest/ltl2tgba.cc b/src/tgbatest/ltl2tgba.cc
index 33a0d3005..336bae24d 100644
--- a/src/tgbatest/ltl2tgba.cc
+++ b/src/tgbatest/ltl2tgba.cc
@@ -1136,7 +1136,9 @@ main(int argc, char** argv)
             }
 
           delete testing_automata_nm;
-          delete testing_automata;
+          //delete testing_automata;
+          a = 0;
+          degeneralized = 0;
           output = -1;
 
         }