diff --git a/de.prob.core/src/de/prob/core/command/LoadEventBModelCommand.java b/de.prob.core/src/de/prob/core/command/LoadEventBModelCommand.java
index 316d436cfb029a75fd3232548ee3415f178854a1..78335f27dbe8219e1129b5286e771ac514283b15 100644
--- a/de.prob.core/src/de/prob/core/command/LoadEventBModelCommand.java
+++ b/de.prob.core/src/de/prob/core/command/LoadEventBModelCommand.java
@@ -19,17 +19,15 @@ import org.rodinp.core.RodinDBException;
 
 import de.prob.core.Animator;
 import de.prob.core.LanguageDependendAnimationPart;
+import de.prob.core.command.internal.InternalLoadCommand;
 import de.prob.core.domainobjects.MachineDescription;
 import de.prob.core.domainobjects.Operation;
 import de.prob.core.domainobjects.ProBPreference;
 import de.prob.core.domainobjects.State;
 import de.prob.core.langdep.EventBAnimatorPart;
-import de.prob.core.translator.TranslationFailedException;
-import de.prob.eventb.translator.TranslatorFactory;
 import de.prob.exceptions.ProBException;
 import de.prob.logging.Logger;
 import de.prob.parser.ISimplifiedROMap;
-import de.prob.prolog.output.IPrologTermOutput;
 import de.prob.prolog.output.StructuredPrologOutput;
 import de.prob.prolog.term.PrologTerm;
 
@@ -162,32 +160,4 @@ public final class LoadEventBModelCommand {
 			animator.announceReset();
 		}
 	}
-
-	private static class InternalLoadCommand implements IComposableCommand {
-		private final IEventBRoot model;
-
-		public InternalLoadCommand(final IEventBRoot model) {
-			this.model = model;
-		}
-
-		@Override
-		public void writeCommand(final IPrologTermOutput pto)
-				throws CommandException {
-			try {
-				TranslatorFactory.translate(model, pto);
-			} catch (TranslationFailedException e) {
-				throw new CommandException(
-						"Translation from Event-B to ProB's internal representation failed",
-						e);
-			}
-		}
-
-		@Override
-		public void processResult(
-				final ISimplifiedROMap<String, PrologTerm> bindings)
-				throws CommandException {
-			// there are no results to process
-		}
-
-	}
 }
diff --git a/de.prob.core/src/de/prob/core/command/internal/InternalLoadCommand.java b/de.prob.core/src/de/prob/core/command/internal/InternalLoadCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..2a3eaf98d4fd0b82a4a4718c0878d2366bf08e67
--- /dev/null
+++ b/de.prob.core/src/de/prob/core/command/internal/InternalLoadCommand.java
@@ -0,0 +1,39 @@
+package de.prob.core.command.internal;
+
+import org.eventb.core.IEventBRoot;
+
+import de.prob.core.command.CommandException;
+import de.prob.core.command.IComposableCommand;
+import de.prob.core.translator.TranslationFailedException;
+import de.prob.eventb.translator.TranslatorFactory;
+import de.prob.parser.ISimplifiedROMap;
+import de.prob.prolog.output.IPrologTermOutput;
+import de.prob.prolog.term.PrologTerm;
+
+public final class InternalLoadCommand implements IComposableCommand {
+	private final IEventBRoot model;
+
+	public InternalLoadCommand(final IEventBRoot model) {
+		this.model = model;
+	}
+
+	@Override
+	public void writeCommand(final IPrologTermOutput pto)
+			throws CommandException {
+		try {
+			TranslatorFactory.translate(model, pto);
+		} catch (TranslationFailedException e) {
+			throw new CommandException(
+					"Translation from Event-B to ProB's internal representation failed",
+					e);
+		}
+	}
+
+	@Override
+	public void processResult(
+			final ISimplifiedROMap<String, PrologTerm> bindings)
+			throws CommandException {
+		// there are no results to process
+	}
+
+}
\ No newline at end of file
diff --git a/de.prob.ui/src/de/prob/ui/eventb/StartUnitAnalysisHandler.java b/de.prob.ui/src/de/prob/ui/eventb/StartUnitAnalysisHandler.java
index 1566f67477669356a926fe058f49d19c5c7333b9..954e243608cba7c1305f5242f912b7094183679f 100644
--- a/de.prob.ui/src/de/prob/ui/eventb/StartUnitAnalysisHandler.java
+++ b/de.prob.ui/src/de/prob/ui/eventb/StartUnitAnalysisHandler.java
@@ -8,6 +8,7 @@ package de.prob.ui.eventb;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import org.eclipse.core.commands.AbstractHandler;
 import org.eclipse.core.commands.ExecutionEvent;
@@ -36,10 +37,15 @@ import org.rodinp.core.RodinCore;
 import de.prob.core.Animator;
 import de.prob.core.LimitedLogger;
 import de.prob.core.command.ActivateUnitPluginCommand;
-import de.prob.core.command.LoadEventBModelCommand;
+import de.prob.core.command.ClearMachineCommand;
+import de.prob.core.command.ComposedCommand;
+import de.prob.core.command.SetPreferencesCommand;
+import de.prob.core.command.StartAnimationCommand;
+import de.prob.core.command.internal.InternalLoadCommand;
+import de.prob.core.domainobjects.State;
+import de.prob.core.domainobjects.Variable;
 import de.prob.exceptions.ProBException;
 import de.prob.logging.Logger;
-import de.prob.ui.PerspectiveFactory;
 
 public class StartUnitAnalysisHandler extends AbstractHandler implements
 		IHandler {
@@ -101,14 +107,39 @@ public class StartUnitAnalysisHandler extends AbstractHandler implements
 			LimitedLogger.getLogger().log("user started animation",
 					rootElement.getElementName(), null);
 			registerModificationListener(resource);
-			PerspectiveFactory.openPerspective();
+
+			// do not change perspective - just start animator and shut it down
+			// after the analysis
+			// PerspectiveFactory.openPerspective();
 
 			final Animator animator = Animator.getAnimator();
 			try {
 				// load machine and activate plugin
-				LoadEventBModelCommand.load(animator, rootElement);
-				ActivateUnitPluginCommand.activateUnitPlugin(animator);
+				final ClearMachineCommand clear = new ClearMachineCommand();
+				final SetPreferencesCommand setPrefs = SetPreferencesCommand
+						.createSetPreferencesCommand(animator);
+
+				final InternalLoadCommand load = new InternalLoadCommand(
+						rootElement);
+				final StartAnimationCommand start = new StartAnimationCommand();
+
+				final ActivateUnitPluginCommand activatePlugin = new ActivateUnitPluginCommand();
+
+				final ComposedCommand composed = new ComposedCommand(clear,
+						setPrefs, load, start, activatePlugin);
+
+				animator.execute(composed);
+
 				// TODO: get resulting state and fill attributes
+				State state = animator.getCurrentState();
+				Map<String, Variable> values = state.getValues();
+
+				for (String s : values.keySet()) {
+					System.out.println(s);
+				}
+
+				// shutdown animator
+				animator.shutdown();
 			} catch (ProBException e) {
 				e.notifyUserOnce();
 				throw new ExecutionException("Loading the machine failed", e);