diff --git a/virage/pom.xml b/virage/pom.xml
index ca52502..8994d5c 100644
--- a/virage/pom.xml
+++ b/virage/pom.xml
@@ -41,11 +41,17 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <maven.version>3.8.1</maven.version>
+    <maven.clean.version>3.3.1</maven.clean.version>
+    <maven.install.version>3.1.1</maven.install.version>
+    <maven.jar.version>3.3.0</maven.jar.version>
     <maven.compiler.release>17</maven.compiler.release>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
     <jdk.version>17</jdk.version>
-    <exec.mainClass>edu.kit.kastel.formal.virage.core.VirageMain</exec.mainClass>
+    <log4j.version>2.20.0</log4j.version>
+    <spotbugs.version>4.7.3</spotbugs.version>
+    <swi.home.dir>/usr/lib/swi-prolog</swi.home.dir>
+    <main.class>edu.kit.kastel.formal.virage.core.VirageMain</main.class>
   </properties>
 
   <distributionManagement>
@@ -83,12 +89,17 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
-      <version>2.20.0</version>
+      <version>${log4j.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.20.0</version>
+      <version>${log4j.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j-impl</artifactId>
+      <version>${log4j.version}</version>
     </dependency>
     <!-- JPL bidirectional Prolog-Java: https://github.com/SWI-Prolog/packages-jpl -->
     <dependency>
@@ -205,7 +216,7 @@
         <version>3.2.4</version> <executions> <execution> <phase>package</phase> 
         <goals> <goal>shade</goal> </goals> <configuration> <transformers> <transformer 
         implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> 
-        <mainClass>${exec.mainClass}</mainClass> <manifestEntries>
+        <mainClass>${main.class}</mainClass> <manifestEntries>
         <Multi-Release>true</Multi-Release> </manifestEntries> </transformer> <transformer 
         implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" 
         /> </transformers> </configuration> </execution> </executions> </plugin> -->
@@ -220,6 +231,7 @@
         </configuration>
         <executions>
           <execution>
+            <id>versions-display</id>
             <phase>compile</phase>
             <goals>
               <goal>display-dependency-updates</goal>
@@ -235,7 +247,7 @@
         <executions>
           <execution>
             <id>read-settings</id>
-            <phase>process-resources</phase>
+            <phase>initialize</phase>
             <goals>
               <goal>read-project-properties</goal>
             </goals>
@@ -267,21 +279,24 @@
         <version>3.1.0</version>
         <executions>
           <execution>
-            <phase>test</phase>
+            <id>execute</id>
+            <goals>
+              <goal>exec</goal>
+            </goals>
           </execution>
         </executions>
         <configuration>
-          <mainClass>${exec.mainClass}</mainClass>
-          <environmentVariables>
-            <LD_PRELOAD>${SWI_PROLOG_LIBSWIPL_PATH}</LD_PRELOAD>
-            <LD_LIBRARY_PATH>${SWI_PROLOG_LIBRARIES_PATH}</LD_LIBRARY_PATH>
-          </environmentVariables>
           <executable>java</executable>
+          <mainClass>${main.class}</mainClass>
           <arguments>
             <argument>-classpath</argument>
             <classpath />
-            <argument>edu.kit.kastel.formal.virage.core.VirageMain</argument>
+            <argument>${main.class}</argument>
           </arguments>
+          <environmentVariables>
+            <SWI_HOME_DIR>${swi.home.dir}</SWI_HOME_DIR>
+            <LD_PRELOAD>${swi.home.dir}/lib/x86_64-linux/libswipl.so</LD_PRELOAD>
+          </environmentVariables>
         </configuration>
       </plugin>
     </plugins>
@@ -290,12 +305,12 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-clean-plugin</artifactId>
-          <version>3.3.1</version>
+          <version>${maven.clean.version}</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>3.3.1</version>
+          <version>${maven.clean.version}</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -305,11 +320,11 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>3.3.0</version>
+          <version>${maven.jar.version}</version>
           <configuration>
             <archive>
               <manifest>
-                <mainClass>${exec.mainClass}</mainClass>
+                <mainClass>${main.class}</mainClass>
               </manifest>
             </archive>
           </configuration>
@@ -317,12 +332,12 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-install-plugin</artifactId>
-          <version>3.1.1</version>
+          <version>${maven.install.version}</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-deploy-plugin</artifactId>
-          <version>3.1.1</version>
+          <version>${maven.install.version}</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -335,7 +350,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>3.3.0</version>
+          <version>${maven.jar.version}</version>
           <configuration>
             <failsOnError>false</failsOnError>
             <includeTestSourceDirectory>true</includeTestSourceDirectory>
@@ -357,7 +372,7 @@
         <plugin>
           <groupId>com.github.spotbugs</groupId>
           <artifactId>spotbugs-maven-plugin</artifactId>
-          <version>4.7.3.5</version>
+          <version>${spotbugs.version}.5</version>
           <configuration>
             <xmlOutput>true</xmlOutput>
             <failOnError>false</failOnError>
@@ -373,7 +388,7 @@
             <dependency>
               <groupId>com.github.spotbugs</groupId>
               <artifactId>spotbugs</artifactId>
-              <version>4.7.3</version>
+              <version>${spotbugs.version}</version>
             </dependency>
           </dependencies>
         </plugin>
diff --git a/virage/src/main/java/edu/kit/kastel/formal/util/ProcessUtils.java b/virage/src/main/java/edu/kit/kastel/formal/util/ProcessUtils.java
index a0c29c2..602f6ae 100644
--- a/virage/src/main/java/edu/kit/kastel/formal/util/ProcessUtils.java
+++ b/virage/src/main/java/edu/kit/kastel/formal/util/ProcessUtils.java
@@ -18,16 +18,16 @@ public class ProcessUtils {
     private static final Logger LOGGER = LogManager.getLogger(ProcessUtils.class);
 
     /**
-     * Executes a terminating command and logs it outputs, stderr foing to logger.warn(), stdout to
-     * logger.info(). <b>Does not return if the command is non-terminating!</b>
+     * Executes a terminating command and prints its output to System.out/System.err, respectively.
+     * <b>Does not return if the command is non-terminating!</b>
      *
      * @param command the command to be executed (as is, i.e. the String has to contain all
      *      parameters etc.)
-     * @return the exit code (usually 0 on success, but depending on the command)
+     * @return a Pair of strings representing stdout and stderr of the process
      * @throws IOException if reading the outputs fails
      * @throws InterruptedException if command execution is interrupted
      */
-    public static int runTerminatingProcessAndLogOutput(final String command)
+    public static Output runTerminatingProcess(final String command)
             throws IOException, InterruptedException {
         final Runtime rt = Runtime.getRuntime();
 
@@ -37,19 +37,12 @@ public static int runTerminatingProcessAndLogOutput(final String command)
         final String stdErr = new String(p.getErrorStream().readAllBytes(), StandardCharsets.UTF_8);
         final String stdOut = new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
 
-        if (!stdErr.isEmpty()) {
-            LOGGER.warn(stdErr);
-        }
-        if (!stdOut.isEmpty()) {
-            LOGGER.info(stdOut);
-        }
-
-        return status;
+        return new Output(stdOut, stdErr, status);
     }
 
     /**
-     * Executes a terminating command and prints its output to System.out/System.err, respectively.
-     * <b>Does not return if the command is non-terminating!</b>
+     * Executes a terminating command and logs it outputs, stderr going to logger.warn(), stdout to
+     * logger.info(). <b>Does not return if the command is non-terminating!</b>
      *
      * @param command the command to be executed (as is, i.e. the String has to contain all
      *      parameters etc.)
@@ -57,24 +50,16 @@ public static int runTerminatingProcessAndLogOutput(final String command)
      * @throws IOException if reading the outputs fails
      * @throws InterruptedException if command execution is interrupted
      */
-    public static int runTerminatingProcessAndPrintOutput(final String command)
+    public static int runTerminatingProcessAndLogOutput(final String command)
             throws IOException, InterruptedException {
-        final Runtime rt = Runtime.getRuntime();
-
-        final Process p = rt.exec(StringUtils.stripAndEscape(command));
-        final int status = p.waitFor();
-
-        final String stdErr = new String(p.getErrorStream().readAllBytes(), StandardCharsets.UTF_8);
-        final String stdOut = new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
-
-        if (!stdErr.isEmpty()) {
-            System.err.print(stdErr);
+        final Output output = runTerminatingProcess(command);
+        if (!output.stdErr.isEmpty()) {
+            LOGGER.warn(output.stdErr);
         }
-        if (!stdOut.isEmpty()) {
-            System.out.print(stdOut);
+        if (!output.stdOut.isEmpty()) {
+            LOGGER.info(output.stdOut);
         }
-
-        return status;
+        return output.status;
     }
 
     /**
@@ -83,20 +68,54 @@ public static int runTerminatingProcessAndPrintOutput(final String command)
      *
      * @param command the command to be executed (as is, i.e. the String has to contain all
      *      parameters etc.)
-     * @return a Pair of strings representing stdout and stderr of the process
+     * @return the exit code (usually 0 on success, but depending on the command)
      * @throws IOException if reading the outputs fails
      * @throws InterruptedException if command execution is interrupted
      */
-    public static Pair<String, String> runTerminatingProcess(final String command)
+    public static int runTerminatingProcessAndPrintOutput(final String command)
             throws IOException, InterruptedException {
-        final Runtime rt = Runtime.getRuntime();
-
-        final Process p = rt.exec(StringUtils.stripAndEscape(command));
-        p.waitFor();
-
-        final String stdErr = new String(p.getErrorStream().readAllBytes(), StandardCharsets.UTF_8);
-        final String stdOut = new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
+        final Output output = runTerminatingProcess(command);
+        if (!output.stdErr.isEmpty()) {
+            System.err.print(output.stdErr);
+        }
+        if (!output.stdOut.isEmpty()) {
+            System.out.print(output.stdOut);
+        }
+        return output.status;
+    }
 
-        return new Pair<String, String>(stdOut, stdErr);
+    /**
+     * The static data structure to store the text from the standard output and the error output
+     * stream as well as the integer status value.
+     *
+     * @author VeriVote
+     */
+    public static class Output {
+        /**
+         * The standard output stream as a string.
+         */
+        public final String stdOut;
+        /**
+         * The error output stream as a string.
+         */
+        public final String stdErr;
+        /**
+         * The status output as an integer value.
+         */
+        public final int status;
+
+        /**
+         * Constructor method for the static data structure to store the text from the standard
+         * output and the error output stream as well as the integer status value.
+         *
+         * @param outStream The standard output stream as a string.
+         * @param errStream The error output stream as a string.
+         * @param statusValue The status output as an integer value.
+         */
+        public Output(final String outStream, final String errStream, final int statusValue) {
+            stdOut = outStream;
+            stdErr = errStream;
+            status = statusValue;
+        }
     }
 }
diff --git a/virage/src/main/java/edu/kit/kastel/formal/util/SystemUtils.java b/virage/src/main/java/edu/kit/kastel/formal/util/SystemUtils.java
index 6ee726d..64607c7 100644
--- a/virage/src/main/java/edu/kit/kastel/formal/util/SystemUtils.java
+++ b/virage/src/main/java/edu/kit/kastel/formal/util/SystemUtils.java
@@ -7,7 +7,7 @@
 import java.lang.reflect.Field;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
-import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Map;
 
@@ -67,13 +67,12 @@ public static void addDirToLibraryPath(final String s) throws IOException {
     }
 
     /**
-     * Returns current time (yyyy-MM-dd HH:mm:ss).
+     * Returns current time (yyyy-MM-dd HH:mm:ss OOOO).
      * @return the time
      */
     public static String getTime() {
-        final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-        final LocalDateTime now = LocalDateTime.now();
-
+        final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss OOOO");
+        final ZonedDateTime now = ZonedDateTime.now();
         return dtf.format(now);
     }
 
diff --git a/virage/src/main/java/edu/kit/kastel/formal/virage/core/ConfigReader.java b/virage/src/main/java/edu/kit/kastel/formal/virage/core/ConfigReader.java
index 12f6522..4b4753a 100644
--- a/virage/src/main/java/edu/kit/kastel/formal/virage/core/ConfigReader.java
+++ b/virage/src/main/java/edu/kit/kastel/formal/virage/core/ConfigReader.java
@@ -233,8 +233,9 @@ private static String getCommandOutput(final String command, final String option
             throws IOException, InterruptedException {
         final String none = "<NONE>" + '\n';
         final String proc = command + " " + option;
-        final String output = ProcessUtils.runTerminatingProcess(proc).getFirstValue();
-        return output.isEmpty() ? none : output;
+        final ProcessUtils.Output output = ProcessUtils.runTerminatingProcess(proc);
+        final String result = output.stdOut.isEmpty() ? output.stdErr : output.stdOut;
+        return result.isEmpty() ? none : result;
     }
 
     /**
@@ -758,7 +759,9 @@ public void readConfigFile(final boolean overwriteIfNecessary) throws IOExceptio
         final File virageDir = new File(virageFolderPath);
         this.configFile = new File(configPath);
         if (!this.configFile.exists()) {
-            Files.createDirectory(virageDir.toPath());
+            if (!virageDir.exists()) {
+                Files.createDirectory(virageDir.toPath());
+            }
             Files.createFile(this.configFile.toPath());
             this.copyConfigToExpectedPath();
         }
diff --git a/virage/src/main/java/edu/kit/kastel/formal/virage/core/VirageCommandLineInterface.java b/virage/src/main/java/edu/kit/kastel/formal/virage/core/VirageCommandLineInterface.java
index a1670fd..4d422b2 100644
--- a/virage/src/main/java/edu/kit/kastel/formal/virage/core/VirageCommandLineInterface.java
+++ b/virage/src/main/java/edu/kit/kastel/formal/virage/core/VirageCommandLineInterface.java
@@ -8,8 +8,6 @@
 import java.io.StringWriter;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedList;
@@ -699,10 +697,9 @@ private void printSettings() {
     }
 
     private void printTimestamp() {
-        final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-        final LocalDateTime now = LocalDateTime.now();
+        final String now = SystemUtils.getTime();
         this.displayMessage(HEADER_LINE_START + "Version " + VirageCore.getVersion()
-                + ", Timestamp: " + dtf.format(now));
+                + ", Timestamp: " + now);
         this.displayMessage(HEADER_LINE_START + "If you need help, type \"help\", \"h\" or \"?\".");
         this.displayMessage(HEADER_LINE_START + "To exit ViRAGe, type \"exit\".");
     }
diff --git a/virage/src/main/java/edu/kit/kastel/formal/virage/isabelle/ScalaIsabelleFacade.java b/virage/src/main/java/edu/kit/kastel/formal/virage/isabelle/ScalaIsabelleFacade.java
index ecd2c99..f4aecff 100644
--- a/virage/src/main/java/edu/kit/kastel/formal/virage/isabelle/ScalaIsabelleFacade.java
+++ b/virage/src/main/java/edu/kit/kastel/formal/virage/isabelle/ScalaIsabelleFacade.java
@@ -112,14 +112,18 @@ public ScalaIsabelleFacade(final String sessionDirValue, final String sessionNam
 
         final List<Path> sessionDirs = new LinkedList<Path>();
         sessionDirs.add(Path.of(this.sessionDir));
-
-        this.setup = new Setup(Path.of(ConfigReader.getInstance().getIsabelleHome()),
-                sessionNameValue,
-                new Some<Path>(Path.of(ConfigReader.getInstance().getIsabelleSessionDir())),
-                Path.of(sessionDirValue),
-                JavaConverters.asScalaIteratorConverter(sessionDirs.iterator()).asScala().toSeq(),
-                true, true /*try verbose first*/, null, null /* try to get away with null first */);
-
+        final String isabelleHome = ConfigReader.getInstance().getIsabelleHome();
+        this.setup = // JIsabelle.setupSetBuild(true, JIsabelle.setup(Path.of(isabelleHome)));
+                new Setup(Path.of(isabelleHome),
+                          sessionNameValue,
+                          new Some<Path>(
+                                  Path.of(ConfigReader.getInstance().getIsabelleSessionDir())),
+                          Path.of(sessionDirValue),
+                          JavaConverters.asScalaIteratorConverter(
+                                  sessionDirs.iterator()).asScala().toSeq(),
+                          true, true /*try verbose first*/,
+                          (Isabelle i) -> i.exceptionManager(),
+                          null /* try to get away with null first */);
         try {
             isabelle = new Isabelle(this.setup);
             // Scala has no checked Exceptions and the constructor is not annotated.
@@ -158,13 +162,15 @@ public static void buildSession(final String sessionDir, final String sessionNam
         final List<Path> sessionDirs = new LinkedList<Path>();
         sessionDirs.add(Path.of(new File(sessionDir).getAbsolutePath()));
 
-        final Setup setup = new Setup(Path.of(ConfigReader.getInstance().getIsabelleHome()),
-                sessionName,
-                new Some<Path>(Path.of(ConfigReader.getInstance().getIsabelleSessionDir())),
-                Path.of(sessionDir),
-                JavaConverters.asScalaIteratorConverter(sessionDirs.iterator()).asScala().toSeq(),
-                true, true /*try verbose first*/, null, null /* try to get away with null first */);
-
+        final Setup setup =
+                new Setup(Path.of(ConfigReader.getInstance().getIsabelleHome()),
+                        sessionName,
+                        new Some<Path>(Path.of(ConfigReader.getInstance().getIsabelleSessionDir())),
+                        Path.of(sessionDir),
+                        JavaConverters.asScalaIteratorConverter(sessionDirs.iterator())
+                            .asScala().toSeq(),
+                        true, true /*try verbose first*/, (Isabelle i) -> i.exceptionManager(),
+                        null /* try to get away with null first */);
         try {
             isabelle = new Isabelle(setup);
             isabelle.destroy();
diff --git a/virage/src/main/resources/settings b/virage/src/main/resources/settings
index cf031f5..ba54cb3 100644
--- a/virage/src/main/resources/settings
+++ b/virage/src/main/resources/settings
@@ -1,4 +1,4 @@
-TIMESTAMP=
+TIMESTAMP=2023-09-01 00:00:00 GMT+02:00
 
 # This value is used for internal consistency checks, please do not alter it!
 VIRAGE_CONFIG_VERSION=0.1.0
@@ -13,11 +13,11 @@ GCC_EXECUTABLE=gcc
 SWI_PROLOG_EXECUTABLE=swipl
 
 # Path to libswipl.so
-SWI_PROLOG_LIBSWIPL_PATH=
+SWI_PROLOG_LIBSWIPL_PATH=/usr/lib/swi-prolog/lib/x86_64-linux/libswipl.so
 
 # Path to the SWI-Prolog library (usually, $SWI_HOME_DIR/lib/$ARCHITECTURE
 # should contain libjpl.so, otherwise install swi-prolog-java)
-SWI_PROLOG_LIBRARIES_PATH=
+SWI_PROLOG_LIBRARIES_PATH=/usr/lib/swi-prolog/lib/x86_64-linux/
 
 
 ## System settings
@@ -28,7 +28,7 @@ SYSTEM_DEFAULT_OUTPUT_PATH=./target/generated-sources/
 
 # Custom text editor (only used when xdg-open fails; if empty, environment
 # variable $EDITOR is used).
-SYSTEM_TEXT_EDITOR=
+SYSTEM_TEXT_EDITOR=/usr/bin/kate
 
 
 ## Isabelle settings