Program: 62534
Project: 62534
Buggy source:
/** 
 * parses the pulseaudio servers answer to the list-sources command and returns a list of  {@link Source} objects
 * @param raw the given string from the pulseaudio server
 * @return list of sources
 */
public static List<Source> parseSources(String raw,PulseaudioClient client){
  List<Source> sources=new ArrayList<Source>();
  String[] parts=raw.split("String_Node_Str");
  if (parts.length <= 1) {
    return sources;
  }
  for (int i=1; i < parts.length; i++) {
    String[] lines=parts[i].split("String_Node_Str");
    Hashtable<String,String> properties=new Hashtable<String,String>();
    int id=0;
    try {
      id=Integer.valueOf(lines[0].trim());
    }
 catch (    NumberFormatException e) {
      Matcher matcher=fallBackPattern.matcher(lines[0].trim());
      if (matcher.find()) {
        id=Integer.valueOf(matcher.group(1));
        properties.put(matcher.group(2).trim(),matcher.group(3).trim());
      }
    }
    for (int j=1; j < lines.length; j++) {
      Matcher matcher=pattern.matcher(lines[j]);
      if (matcher.find()) {
        properties.put(matcher.group(1).trim(),matcher.group(2).trim());
      }
    }
    if (properties.containsKey("String_Node_Str")) {
      Source source=new Source(id,properties.get("String_Node_Str"),client.getModule(getNumberValue(properties.get("String_Node_Str"))));
      if (properties.containsKey("String_Node_Str")) {
        try {
          source.setState(AbstractAudioDeviceConfig.State.valueOf(properties.get("String_Node_Str")));
        }
 catch (        IllegalArgumentException e) {
          logger.error("String_Node_Str",properties.get("String_Node_Str"),id);
        }
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setMuted(properties.get("String_Node_Str").equalsIgnoreCase("String_Node_Str"));
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setVolume(Integer.valueOf(parseVolume(properties.get("String_Node_Str"))));
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setMonitorOf(client.getSink(Integer.valueOf(parseVolume(properties.get("String_Node_Str")))));
      }
      sources.add(source);
    }
  }
  return sources;
}

Fixed version (ground truth):
/** 
 * parses the pulseaudio servers answer to the list-sources command and returns a list of  {@link Source} objects
 * @param raw the given string from the pulseaudio server
 * @return list of sources
 */
public static List<Source> parseSources(String raw,PulseaudioClient client){
  List<Source> sources=new ArrayList<Source>();
  String[] parts=raw.split("String_Node_Str");
  if (parts.length <= 1) {
    return sources;
  }
  for (int i=1; i < parts.length; i++) {
    String[] lines=parts[i].split("String_Node_Str");
    Hashtable<String,String> properties=new Hashtable<String,String>();
    int id=0;
    try {
      id=Integer.valueOf(lines[0].trim());
    }
 catch (    NumberFormatException e) {
      Matcher matcher=fallBackPattern.matcher(lines[0].trim());
      if (matcher.find()) {
        id=Integer.valueOf(matcher.group(1));
        properties.put(matcher.group(2).trim(),matcher.group(3).trim());
      }
    }
    for (int j=1; j < lines.length; j++) {
      Matcher matcher=pattern.matcher(lines[j]);
      if (matcher.find()) {
        properties.put(matcher.group(1).trim(),matcher.group(2).trim());
      }
    }
    if (properties.containsKey("String_Node_Str")) {
      Source source=new Source(id,properties.get("String_Node_Str"),client.getModule(getNumberValue(properties.get("String_Node_Str"))));
      if (properties.containsKey("String_Node_Str")) {
        try {
          source.setState(AbstractAudioDeviceConfig.State.valueOf(properties.get("String_Node_Str")));
        }
 catch (        IllegalArgumentException e) {
          logger.error("String_Node_Str",properties.get("String_Node_Str"),id);
        }
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setMuted(properties.get("String_Node_Str").equalsIgnoreCase("String_Node_Str"));
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setVolume(Integer.valueOf(parseVolume(properties.get("String_Node_Str"))));
      }
      if (properties.containsKey("String_Node_Str")) {
        source.setMonitorOf(client.getSink(Integer.valueOf(properties.get("String_Node_Str"))));
      }
      sources.add(source);
    }
  }
  return sources;
}