diff --git a/examples/gspn/workflow_cluster/workflow_cluster.pnml b/examples/gspn/workflow_cluster/workflow_cluster.pnml
new file mode 100644
index 000000000..86ad2298e
--- /dev/null
+++ b/examples/gspn/workflow_cluster/workflow_cluster.pnml
@@ -0,0 +1,1236 @@
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+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="145" y="558" curvePoint="false" />
+            <arcpath id="001" x="186" y="582" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitchDown to LeftSwitchInspect" source="LeftSwitchDown" target="LeftSwitchInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="326" y="372" curvePoint="false" />
+            <arcpath id="001" x="381" y="372" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitchFail to LeftSwitchDown" source="LeftSwitchFail" target="LeftSwitchDown">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="211" y="387" curvePoint="false" />
+            <arcpath id="001" x="297" y="374" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitchInRepair to LeftSwitichRepair" source="LeftSwitchInRepair" target="LeftSwitichRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="536" y="386" curvePoint="false" />
+            <arcpath id="001" x="592" y="381" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitchInspect to LeftSwitchInRepair" source="LeftSwitchInspect" target="LeftSwitchInRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="391" y="372" curvePoint="false" />
+            <arcpath id="001" x="507" y="385" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitchUp to LeftSwitchFail" source="LeftSwitchUp" target="LeftSwitchFail">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="146" y="412" curvePoint="false" />
+            <arcpath id="001" x="201" y="387" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitichRepair to LeftSwitchUp" source="LeftSwitichRepair" target="LeftSwitchUp">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="591" y="388" curvePoint="false" />
+            <arcpath id="001" x="146" y="416" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftSwitichRepair to RepairUnitAvailable" source="LeftSwitichRepair" target="RepairUnitAvailable">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="591" y="395" curvePoint="false" />
+            <arcpath id="001" x="337" y="631" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkStationDown to LeftWorkstationInspect" source="LeftWorkStationDown" target="LeftWorkstationInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="311" y="87" curvePoint="false" />
+            <arcpath id="001" x="381" y="87" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkstationFail to LeftWorkStationDown" source="LeftWorkstationFail" target="LeftWorkStationDown">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="196" y="87" curvePoint="false" />
+            <arcpath id="001" x="282" y="87" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkStationInRepair to LeftWorkstationRepair" source="LeftWorkStationInRepair" target="LeftWorkstationRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="506" y="84" curvePoint="false" />
+            <arcpath id="001" x="561" y="77" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkstationInspect to LeftWorkStationInRepair" source="LeftWorkstationInspect" target="LeftWorkStationInRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="391" y="87" curvePoint="false" />
+            <arcpath id="001" x="477" y="87" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkstationRepair to LeftWorkStationUp" source="LeftWorkstationRepair" target="LeftWorkStationUp">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="562" y="67" curvePoint="false" />
+            <arcpath id="001" x="131" y="115" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkstationRepair to RepairUnitAvailable" source="LeftWorkstationRepair" target="RepairUnitAvailable">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="567" y="87" curvePoint="false" />
+            <arcpath id="001" x="332" y="628" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="LeftWorkStationUp to LeftWorkstationFail" source="LeftWorkStationUp" target="LeftWorkstationFail">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="130" y="111" curvePoint="false" />
+            <arcpath id="001" x="186" y="87" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RepairUnitAvailable to BackboneInspect" source="RepairUnitAvailable" target="BackboneInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="339" y="633" curvePoint="false" />
+            <arcpath id="001" x="396" y="587" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RepairUnitAvailable to LeftSwitchInspect" source="RepairUnitAvailable" target="LeftSwitchInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="331" y="627" curvePoint="false" />
+            <arcpath id="001" x="387" y="387" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RepairUnitAvailable to LeftWorkstationInspect" source="RepairUnitAvailable" target="LeftWorkstationInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="328" y="627" curvePoint="false" />
+            <arcpath id="001" x="387" y="102" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RepairUnitAvailable to RightSwitchInspect" source="RepairUnitAvailable" target="RightSwitchInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="333" y="628" curvePoint="false" />
+            <arcpath id="001" x="387" y="477" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RepairUnitAvailable to RightWorkstationInspect" source="RepairUnitAvailable" target="RightWorkstationInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="328" y="627" curvePoint="false" />
+            <arcpath id="001" x="372" y="222" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchDown to RightSwitchInspect" source="RightSwitchDown" target="RightSwitchInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="326" y="474" curvePoint="false" />
+            <arcpath id="001" x="381" y="462" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchFail to RightSwitchDown" source="RightSwitchFail" target="RightSwitchDown">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="196" y="477" curvePoint="false" />
+            <arcpath id="001" x="297" y="477" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchInRepair to RightSwitchRepair" source="RightSwitchInRepair" target="RightSwitchRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="536" y="476" curvePoint="false" />
+            <arcpath id="001" x="607" y="471" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchInspect to RightSwitchInRepair" source="RightSwitchInspect" target="RightSwitchInRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="391" y="462" curvePoint="false" />
+            <arcpath id="001" x="507" y="475" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchRepair to RepairUnitAvailable" source="RightSwitchRepair" target="RepairUnitAvailable">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="606" y="485" curvePoint="false" />
+            <arcpath id="001" x="340" y="634" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchRepair to RightSwitchUp" source="RightSwitchRepair" target="RightSwitchUp">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="606" y="478" curvePoint="false" />
+            <arcpath id="001" x="146" y="491" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightSwitchUp to RightSwitchFail" source="RightSwitchUp" target="RightSwitchFail">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="146" y="489" curvePoint="false" />
+            <arcpath id="001" x="186" y="477" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkStationDown to RightWorkstationInspect" source="RightWorkStationDown" target="RightWorkstationInspect">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="311" y="207" curvePoint="false" />
+            <arcpath id="001" x="366" y="207" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkstationFail to RightWorkStationDown" source="RightWorkstationFail" target="RightWorkStationDown">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="196" y="207" curvePoint="false" />
+            <arcpath id="001" x="282" y="207" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkstationInRepair to RightWorkstationRepair" source="RightWorkstationInRepair" target="RightWorkstationRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="521" y="210" curvePoint="false" />
+            <arcpath id="001" x="577" y="217" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkstationInspect to RightWorkstationInRepair" source="RightWorkstationInspect" target="RightWorkstationInRepair">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="376" y="207" curvePoint="false" />
+            <arcpath id="001" x="492" y="207" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkstationRepair to RepairUnitAvailable" source="RightWorkstationRepair" target="RepairUnitAvailable">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="582" y="237" curvePoint="false" />
+            <arcpath id="001" x="334" y="629" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkstationRepair to RightWorkStationUp" source="RightWorkstationRepair" target="RightWorkStationUp">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="576" y="227" curvePoint="false" />
+            <arcpath id="001" x="131" y="251" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+        <arc id="RightWorkStationUp to RightWorkstationFail" source="RightWorkStationUp" target="RightWorkstationFail">
+            <graphics />
+            <inscription>
+                <value>Default,1</value>
+                <graphics />
+            </inscription>
+            <tagged>
+                <value>false</value>
+            </tagged>
+            <arcpath id="000" x="129" y="243" curvePoint="false" />
+            <arcpath id="001" x="186" y="207" curvePoint="false" />
+            <type value="normal" />
+        </arc>
+    </net>
+</pnml>
\ No newline at end of file