found Error true statement

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/funchdl/ProofScriptCommandBuilder.java

@@ -89,7 +89,7 @@ public class ProofScriptCommandBuilder implements CommandHandler<KeyData> {
                 Iterator<Node> nodeIterator = start.leavesIterator();
                 while (nodeIterator.hasNext()) {
                     Node n = nodeIterator.next();
-                    LOGGER.error(n.isClosed());
+                    LOGGER.error("Node "+ n.serialNr()+" was closed "+ n.isClosed());
                 }
 
             } else {

rt-key/src/main/resources/log4j2.xml

@@ -3,6 +3,9 @@
     <Appenders>
         <Console name="Console" target="SYSTEM_OUT">
             <PatternLayout pattern="[%-5level] %msg%n"/>
+            <!--<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>-->
+
+
         </Console>
         <File name="F" fileName="debug.log" bufferSize="0" bufferedIO="false" append="false">
             <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/ProofScriptDebugger.java

@@ -52,7 +52,7 @@ public class ProofScriptDebugger extends Application {
                     getClass().getResource("debugger-ui.css").toExternalForm(),
                     DockNode.class.getResource("default.css").toExternalForm()
             );
-            System.out.println(getClass().getResource("debugger-ui.css").toExternalForm());
+            logger.info("Loading CSS class " + getClass().getResource("debugger-ui.css").toExternalForm());
 
             primaryStage.setTitle(NAME + " (" + VERSION + ") with KeY:" + KEY_VERSION);
             primaryStage.setScene(scene);