diff --git a/anabatic/src/AutoSegment.cpp b/anabatic/src/AutoSegment.cpp
index 1c1275b5..9e12307c 100644
--- a/anabatic/src/AutoSegment.cpp
+++ b/anabatic/src/AutoSegment.cpp
@@ -1589,7 +1589,9 @@ namespace Anabatic {
 
   bool  AutoSegment::reduce ()
   {
+    if (isReduced()) return false;
     if (not canReduce()) return false;
+    cdebug_log(159,0) << "AutoSegment::reduce():" << this << endl;
 
     AutoContact* source = getAutoSource();
     AutoContact* target = getAutoTarget();
@@ -1604,9 +1606,6 @@ namespace Anabatic {
       perpandicular->incReduceds();
     }
     
-    // if (not source->isTerminal()) source->getPerpandicular( this )->incReduceds();
-    // if (not target->isTerminal()) target->getPerpandicular( this )->incReduceds();
-    
     return true;
   }
 
@@ -1627,19 +1626,20 @@ namespace Anabatic {
   bool  AutoSegment::raise ()
   {
     if (not (_flags & SegIsReduced)) return false;
+    cdebug_log(159,0) << "AutoSegment::raise():" << this << endl;
 
     AutoContact* source = getAutoSource();
     AutoContact* target = getAutoTarget();
 
     _flags &= ~SegIsReduced;
-  //if (not source->isTerminal()) source->getPerpandicular( this )->decReduceds();
-  //if (not target->isTerminal()) target->getPerpandicular( this )->decReduceds();
     for ( AutoSegment* perpandicular : source->getAutoSegments() ) {
       if (perpandicular == this) continue;
+      cdebug_log(159,0) << "dec PP:" << perpandicular << endl;
       perpandicular->decReduceds();
     }
     for ( AutoSegment* perpandicular : target->getAutoSegments() ) {
       if (perpandicular == this) continue;
+      cdebug_log(159,0) << "dec PP:" << perpandicular << endl;
       perpandicular->decReduceds();
     }
 
diff --git a/katana/src/RoutingEventQueue.cpp b/katana/src/RoutingEventQueue.cpp
index 849234f5..ca208c3c 100644
--- a/katana/src/RoutingEventQueue.cpp
+++ b/katana/src/RoutingEventQueue.cpp
@@ -155,7 +155,7 @@ namespace Katana {
     multiset<RoutingEvent*,RoutingEvent::Compare>::iterator ievent = _events.find(event);
     size_t count = _events.count(event);
     if (count > 1) {
-      cerr << Bug("RoutingEventQueue::repush(): %d events matches key %p.",count,event) << endl;
+      cerr << Bug( "RoutingEventQueue::repush(): %d events matches key %p.", count, event ) << endl;
 #if defined(CHECK_ROUTINGEVENT_QUEUE)
       _keyCheck ();
 #endif
diff --git a/katana/src/SegmentFsm.cpp b/katana/src/SegmentFsm.cpp
index 7473ba93..08a12762 100644
--- a/katana/src/SegmentFsm.cpp
+++ b/katana/src/SegmentFsm.cpp
@@ -375,7 +375,8 @@ namespace Katana {
       cdebug_log(159,1) << "* Riping // " << _segment << endl;
     }
 
-    if (_segment->isFixed()) { DebugSession::close(); return true; }
+    if (_segment->isFixed  ()) { DebugSession::close(); return true; }
+  //if (_segment->isReduced()) { DebugSession::close(); return true; }
 
     DataNegociate* data = _segment->getDataNegociate();
     if (data == NULL) {
diff --git a/katana/src/Session.cpp b/katana/src/Session.cpp
index 908882fc..3e037011 100644
--- a/katana/src/Session.cpp
+++ b/katana/src/Session.cpp
@@ -318,18 +318,18 @@ namespace Katana {
 
   // Looking for reduced/raised segments.
     for ( size_t i=0 ; i<revalidateds.size() ; ++i ) {
-      if (revalidateds[i]->canReduce()) {
-        revalidateds[i]->reduce();
-        TrackElement* trackSegment = lookup( revalidateds[i] );
-        if (trackSegment and trackSegment->getTrack()) _addRemoveEvent( trackSegment );
-        cdebug_log(159,0) << "Session: reduce:" << revalidateds[i] << endl;
-      }
       if (revalidateds[i]->mustRaise()) {
         cdebug_log(159,0) << "Session: raise:" << revalidateds[i] << endl;
         revalidateds[i]->raise();
         TrackElement* trackSegment = lookup( revalidateds[i] );
         if (trackSegment) trackSegment->reschedule( 0 );
       }
+      if (revalidateds[i]->canReduce()) {
+        revalidateds[i]->reduce();
+        TrackElement* trackSegment = lookup( revalidateds[i] );
+        if (trackSegment and trackSegment->getTrack()) _addRemoveEvent( trackSegment );
+        cdebug_log(159,0) << "Session: reduce:" << revalidateds[i] << endl;
+      }
     }
     
     // for ( TrackElement* trackSegment : _indirectInvalids ) {