diff --git a/eclipse-workspace/.metadata/.log b/eclipse-workspace/.metadata/.log
index ff7cf1a..faaf81c 100644
--- a/eclipse-workspace/.metadata/.log
+++ b/eclipse-workspace/.metadata/.log
@@ -71,3 +71,43 @@ java.lang.InterruptedException
at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:207)
at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:220)
at java.base/java.lang.Thread.run(Thread.java:829)
+!SESSION 2021-10-10 12:58:50.569 -----------------------------------------------
+eclipse.buildId=4.17.0.I20200902-1800
+java.version=11.0.11
+java.vendor=Ubuntu
+BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=fr_FR
+Framework arguments: -product org.eclipse.epp.package.modeling.product
+Command-line arguments: -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.modeling.product
+
+!ENTRY org.eclipse.emf.cdo.explorer 4 0 2021-10-10 14:40:22.852
+!MESSAGE InterruptedException
+!STACK 0
+java.lang.InterruptedException
+ at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1343)
+ at java.base/java.util.concurrent.Semaphore.acquire(Semaphore.java:318)
+ at org.eclipse.net4j.util.lifecycle.Lifecycle.lock(Lifecycle.java:312)
+ at org.eclipse.net4j.util.lifecycle.Lifecycle.internalDeactivate(Lifecycle.java:118)
+ at org.eclipse.net4j.util.lifecycle.ShareableLifecycle.internalDeactivate(ShareableLifecycle.java:52)
+ at org.eclipse.net4j.util.lifecycle.Lifecycle.deactivate(Lifecycle.java:170)
+ at org.eclipse.net4j.util.lifecycle.LifecycleUtil.deactivate(LifecycleUtil.java:235)
+ at org.eclipse.net4j.util.lifecycle.LifecycleUtil.deactivate(LifecycleUtil.java:225)
+ at org.eclipse.emf.cdo.internal.explorer.bundle.OM.disposeManagers(OM.java:83)
+ at org.eclipse.emf.cdo.internal.explorer.bundle.OM$Activator.doStop(OM.java:136)
+ at org.eclipse.net4j.util.om.OSGiActivator.stop(OSGiActivator.java:92)
+ at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:871)
+ at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
+ at java.base/java.security.AccessController.doPrivileged(Native Method)
+ at org.eclipse.osgi.internal.framework.BundleContextImpl.stop(BundleContextImpl.java:863)
+ at org.eclipse.osgi.internal.framework.EquinoxBundle.stopWorker0(EquinoxBundle.java:1025)
+ at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.stopWorker(EquinoxBundle.java:370)
+ at org.eclipse.osgi.container.Module.doStop(Module.java:660)
+ at org.eclipse.osgi.container.Module.stop(Module.java:521)
+ at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.decStartLevel(ModuleContainer.java:1886)
+ at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1761)
+ at org.eclipse.osgi.container.SystemModule.stopWorker(SystemModule.java:275)
+ at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule.stopWorker(EquinoxBundle.java:202)
+ at org.eclipse.osgi.container.Module.doStop(Module.java:660)
+ at org.eclipse.osgi.container.Module.stop(Module.java:521)
+ at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:207)
+ at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:220)
+ at java.base/java.lang.Thread.run(Thread.java:829)
diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/90/40fa1694c629001c1427db6275755878 b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/90/40fa1694c629001c1427db6275755878
new file mode 100644
index 0000000..289ba90
--- /dev/null
+++ b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/90/40fa1694c629001c1427db6275755878
@@ -0,0 +1,17 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/eclipse-workspace/fr.n7.petrinet/petrinet.ocl b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/cb/b02748a7c629001c1427db6275755878
similarity index 93%
rename from eclipse-workspace/fr.n7.petrinet/petrinet.ocl
rename to eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/cb/b02748a7c629001c1427db6275755878
index 4e77367..76b89fa 100644
--- a/eclipse-workspace/fr.n7.petrinet/petrinet.ocl
+++ b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.history/cb/b02748a7c629001c1427db6275755878
@@ -1,4 +1,4 @@
-import 'petrinet.ecore'
+import 'petriNET.ecore'
package petrinet
diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.indexes/4/history.index b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.indexes/4/history.index
index 529d6ac..248d1f9 100644
Binary files a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.indexes/4/history.index and b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.indexes/4/history.index differ
diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.markers b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.markers
index 9f91ee8..1aa7473 100644
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.markers.snap b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.markers.snap
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.syncinfo.snap b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/.syncinfo.snap
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/org.eclipse.jdt.core/state.dat b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.design/org.eclipse.jdt.core/state.dat
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.edit/.markers b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.edit/.markers
index 88201f1..9ebcae0 100644
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.edit/.markers.snap b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.edit/.markers.snap
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diff --git a/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.editor/.markers b/eclipse-workspace/.metadata/.plugins/org.eclipse.core.resources/.projects/fr.n7.petrinet.editor/.markers
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