diff --git a/DAS/observer.py b/DAS/observer.py
index 88fc8c4..ce435dd 100644
--- a/DAS/observer.py
+++ b/DAS/observer.py
@@ -44,9 +44,12 @@ class Observer:
         """It checks the status of how many expected and arrived samples globally."""
         arrived = 0
         expected = 0
+        validated = 0
         for val in validators:
             if val.amIproposer == 0:
                 (a, e) = val.checkStatus()
                 arrived += a
                 expected += e
-        return (arrived, expected)
+                if a == e:
+                    validated += 1
+        return (arrived, expected, validated)
diff --git a/DAS/simulator.py b/DAS/simulator.py
index a6788b8..9582492 100644
--- a/DAS/simulator.py
+++ b/DAS/simulator.py
@@ -166,7 +166,7 @@ class Simulator:
         """It runs the main simulation until the block is available or it gets stucked."""
         self.glob.checkRowsColumns(self.validators)
         self.validators[self.proposerID].broadcastBlock()
-        arrived, expected = self.glob.checkStatus(self.validators)
+        arrived, expected, validated = self.glob.checkStatus(self.validators)
         missingSamples = expected - arrived
         missingVector = []
         steps = 0
@@ -198,10 +198,12 @@ class Simulator:
             for i in range(0,self.shape.numberNodes):
                 self.validators[i].updateStats()
 
-            arrived, expected = self.glob.checkStatus(self.validators)
+            arrived, expected, validated = self.glob.checkStatus(self.validators)
             missingSamples = expected - arrived
             missingRate = missingSamples*100/expected
-            self.logger.debug("step %d, missing %d of %d (%0.02f %%)" % (steps, missingSamples, expected, missingRate), extra=self.format)
+            self.logger.debug("step %d, missing %d of %d (%0.02f %%), validated (%0.02f %%)" 
+                              % (steps, missingSamples, expected, missingRate,
+                                 validated/(len(self.validators)-1)*100), extra=self.format)
             if missingSamples == oldMissingSamples:
                 self.logger.debug("The block cannot be recovered, failure rate %d!" % self.shape.failureRate, extra=self.format)
                 missingVector.append(missingSamples)