diff --git a/analysis/src/main/java/org/eclipse/jifa/analysis/listener/DefaultProgressListener.java b/analysis/src/main/java/org/eclipse/jifa/analysis/listener/DefaultProgressListener.java
index 5e56cc5e..f4f92c96 100644
--- a/analysis/src/main/java/org/eclipse/jifa/analysis/listener/DefaultProgressListener.java
+++ b/analysis/src/main/java/org/eclipse/jifa/analysis/listener/DefaultProgressListener.java
@@ -70,6 +70,11 @@ public void sendUserMessage(Level level, String message, Throwable throwable) {
         append(sw.toString());
     }
 
+    @Override
+    public void reset() {
+        this.total = this.done = 0;
+    }
+
     @Override
     public String log() {
         return log.toString();
diff --git a/analysis/thread-dump/src/main/java/org/eclipse/jifa/tda/parser/SerDesParser.java b/analysis/thread-dump/src/main/java/org/eclipse/jifa/tda/parser/SerDesParser.java
index 35600573..26a09956 100644
--- a/analysis/thread-dump/src/main/java/org/eclipse/jifa/tda/parser/SerDesParser.java
+++ b/analysis/thread-dump/src/main/java/org/eclipse/jifa/tda/parser/SerDesParser.java
@@ -24,6 +24,7 @@
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
@@ -46,38 +47,39 @@ public SerDesParser(Parser parser) {
         this.parser = parser;
     }
 
-    private Path storage(Path from) {
-        return Paths.get(from.toFile().getAbsoluteFile() + ".kryo");
-    }
-
     @Override
     public Snapshot parse(Path path, ProgressListener listener) {
         // TODO: multi-threads support
-        Path storage = storage(path);
-        if (storage.toFile().exists()) {
+        Path serializedDataPath = resolveSerializedDataPath(path);
+        if (Files.exists(serializedDataPath)) {
             try {
-                listener.beginTask("Deserializing thread dump snapshot", 100);
-                Snapshot snapshot = deserialize(storage);
+                listener.beginTask("Deserializing thread dump", 100);
+                Snapshot snapshot = deserialize(serializedDataPath);
                 listener.worked(100);
                 return snapshot;
             } catch (Throwable t) {
-                log.error("Deserialize thread dump snapshot failed", t);
-                listener.sendUserMessage(ProgressListener.Level.WARNING, "Deserialize thread dump snapshot failed", t);
+                log.error("Failed to deserialize thread dump: {}", t.getMessage());
+                listener.sendUserMessage(ProgressListener.Level.WARNING, "Deserialize thread dump failed", t);
                 listener.reset();
             }
         }
 
-        listener.beginTask(null, 5);
         Snapshot snapshot = parser.parse(path, listener);
         try {
-            serialize(snapshot, storage);
-            listener.worked(5);
+            listener.beginTask("Serializing thread dump", 5);
+            serialize(snapshot, serializedDataPath);
         } catch (Throwable t) {
-            log.error("Serialize snapshot failed", t);
+            log.warn("Failed to serialize thread dump: {}", t.getMessage());
+        } finally {
+            listener.worked(5);
         }
         return snapshot;
     }
 
+    private Path resolveSerializedDataPath(Path source) {
+        return Paths.get(source.toFile().getAbsoluteFile() + ".kryo");
+    }
+
     private void serialize(Snapshot snapshot, Path path) throws FileNotFoundException {
         Kryo kryo = KRYO.get();
         try (Output out = new Output(new FileOutputStream(path.toFile()))) {