<?xml version="1.0" encoding="UTF-8"?>
<!-- Automatically generated by ForSyDe -->
<graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
     <key id="process_type" for="node" attr.name="process_type" attr.type="string"/>
     <key id="value_arg" for="node" attr.name="value_arg" attr.type="string"/>
     <key id="procfun_arg" for="node" attr.name="procfun_arg" attr.type="string"/>
     <key id="instance_parent" for="node" attr.name="instance_parent" attr.type="string"/>
     <graph id="addFour" edgedefault="directed" >
          
          <node id="in1">
               <data key="process_type">InPort</data>
               <port name="in1_out1"/>
          </node>
          
          <node id="plus1_4">
               <data key="process_type">SysIns</data>
               <data key="instance_parent">plus1</data>
               <port name="plus1_4_in1"/>
               <port name="plus1_4_out1"/>
          </node>
          
          <node id="plus1_3">
               <data key="process_type">SysIns</data>
               <data key="instance_parent">plus1</data>
               <port name="plus1_3_in1"/>
               <port name="plus1_3_out1"/>
          </node>
          
          <node id="plus1_2">
               <data key="process_type">SysIns</data>
               <data key="instance_parent">plus1</data>
               <port name="plus1_2_in1"/>
               <port name="plus1_2_out1"/>
          </node>
          
          <node id="plus1_1">
               <data key="process_type">SysIns</data>
               <data key="instance_parent">plus1</data>
               <port name="plus1_1_in1"/>
               <port name="plus1_1_out1"/>
          </node>
          
          <node id="out1">
               <data key="process_type">OutPort</data>
               <port name="out1_in"/>
          </node>
          
          <edge source="in1" sourceport="in1_out1" target="plus1_4" targetport="plus1_4_in1"/>
          
          <edge source="plus1_4" sourceport="plus1_4_out1" target="plus1_3" targetport="plus1_3_in1"/>
          
          <edge source="plus1_3" sourceport="plus1_3_out1" target="plus1_2" targetport="plus1_2_in1"/>
          
          <edge source="plus1_2" sourceport="plus1_2_out1" target="plus1_1" targetport="plus1_1_in1"/>
          
          <edge source="plus1_1" sourceport="plus1_1_out1" target="out1" targetport="out1_in"/>
          
     </graph>
</graphml>