diff --git a/workflow/engine/classes/class.derivation.php b/workflow/engine/classes/class.derivation.php
index 140899388..3a6b7867d 100755
--- a/workflow/engine/classes/class.derivation.php
+++ b/workflow/engine/classes/class.derivation.php
@@ -52,6 +52,7 @@ class Derivation
     protected $flagControlMulInstance;
     private $regexpTaskTypeToInclude;
     public $flagSanity = false;
+    public $node;
 
     public function __construct()
     {
@@ -259,18 +260,19 @@ class Derivation
             //Check Task GATEWAYTOGATEWAY, END-MESSAGE-EVENT, END-EMAIL-EVENT
             $arrayNextTaskBackup = $arrayNextTask;
             if ($this->flagSanity) {
-                $arrayNextTaskBackup = $this->preSanity($arrayNextTask);
+                //$arrayNextTaskBackup = $this->preSanity($arrayNextTask);
             }
             $arrayNextTask = array();
             $i = 0;
             foreach ($arrayNextTaskBackup as $value) {
                 $arrayNextTaskData = $value;
-
+                $this->node[$value['TAS_UID']]['out'][$value['ROU_NEXT_TASK']] = $value['ROU_TYPE'];
+                //$this->node[$value['TAS_UID']]['type'][] = $value['ROU_TYPE'];
                 if ($arrayNextTaskData["NEXT_TASK"]["TAS_UID"] != "-1" &&
                     preg_match("/^(?:" . $this->regexpTaskTypeToInclude . ")$/", $arrayNextTaskData["NEXT_TASK"]["TAS_TYPE"])
                 ) {
                     $arrayAux = $this->prepareInformation($arrayData, $arrayNextTaskData["NEXT_TASK"]["TAS_UID"]);
-
+                    $this->node[$value['ROU_NEXT_TASK']]['in'][$value['TAS_UID']] = $value['ROU_TYPE'];
                     foreach ($arrayAux as $value2) {
                         $key = ++$i;
                         $arrayNextTask[$key] = $value2;
diff --git a/workflow/engine/src/ProcessMaker/Core/RoutingScreen.php b/workflow/engine/src/ProcessMaker/Core/RoutingScreen.php
index d6428218b..838d56984 100644
--- a/workflow/engine/src/ProcessMaker/Core/RoutingScreen.php
+++ b/workflow/engine/src/ProcessMaker/Core/RoutingScreen.php
@@ -5,6 +5,11 @@ namespace ProcessMaker\Core;
 
 class RoutingScreen extends \Derivation
 {
+    public $convergent = 0;
+    public $divergent = 0;
+    public $gateway = array('PARALLEL', 'PARALLEL-BY-EVALUATION');
+    public $isFirst;
+
     public function __construct()
     {
         parent::__construct();
@@ -40,7 +45,47 @@ class RoutingScreen extends \Derivation
 
     public function prepareRoutingScreen($arrayData)
     {
-        return $this->postSanity($this->prepareInformation($arrayData));
+        $array = $this->postSanity($this->prepareInformation($arrayData));
+        return $array;
+    }
+    
+    public function postSanity($arrayInformation)
+    {
+        $response = array();
+        foreach ($arrayInformation as $index => $element) {
+            $this->divergent = 0;
+            $this->convergent = 0;
+            $this->isFirst = true;
+            if ($this->checkElement($this->node[$element['TAS_UID']])) {
+                $response[] = $element;
+            }
+        }
+        return array_combine(range(1, count($response)), array_values($response));
+        //return parent::postSanity($arrayNextTask); // TODO: Change the autogenerated stub
+    }
+
+    public function checkElement($element)
+    {
+        if (empty($element['in'])) {
+            $x = 1;
+            return;
+        }
+        $outElement = $element['out'];
+        foreach ($outElement as $index => $outE) {
+            if (!$this->isFirst && in_array($outE, $this->gateway)) {
+                $this->divergent++;
+            }
+        }
+        $this->isFirst = false;
+        $inElement = $element['in'];
+        foreach ($inElement as $index => $inE) {
+            if ($inE == 'SEC-JOIN') {
+                $this->convergent++;
+            }
+            $this->checkElement($this->node[$index]);
+        }
+        //$this->checkElement($inElement);
+        return $this->convergent == 0 || $this->convergent == $this->divergent;
     }
 
 }
\ No newline at end of file