Program: 20174
Project: 20174
Buggy source:
public static void main(String[] args) throws FileNotFoundException, IOException {
  CommandOption.setSummary(SvmLight2Classify.class,"String_Node_Str");
  CommandOption.process(SvmLight2Classify.class,args);
  if (args.length == 0) {
    CommandOption.getList(SvmLight2Classify.class).printUsage(false);
    System.exit(-1);
  }
  if (inputFile == null) {
    throw new IllegalArgumentException("String_Node_Str" + "String_Node_Str");
  }
  Classifier classifier=null;
  try {
    ObjectInputStream ois=new ObjectInputStream(new BufferedInputStream(new FileInputStream(classifierFile.value)));
    classifier=(Classifier)ois.readObject();
    ois.close();
  }
 catch (  Exception e) {
    throw new IllegalArgumentException("String_Node_Str" + classifierFile.value + "String_Node_Str"+ e.getMessage());
  }
  Pipe instancePipe;
  ArrayList<Pipe> pipeList=new ArrayList<Pipe>();
  pipeList.add(new SvmLight2FeatureVectorAndLabel());
  instancePipe=new SerialPipes(pipeList);
  InstanceList instances=new InstanceList(instancePipe);
  Reader fileReader;
  if (inputFile.equals("String_Node_Str")) {
    fileReader=new InputStreamReader(System.in);
  }
 else {
    fileReader=new InputStreamReader(new FileInputStream(inputFile.value),encoding.value);
  }
  instances.addThruPipe(new SelectiveFileLineIterator(fileReader,"String_Node_Str"));
  Iterator<Instance> iterator=instances.iterator();
  PrintStream out=null;
  if (outputFile.value.toString().equals("String_Node_Str")) {
    out=System.out;
  }
 else {
    out=new PrintStream(outputFile.value,encoding.value);
  }
  classifier.getInstancePipe().getDataAlphabet().stopGrowth();
  classifier.getInstancePipe().getTargetAlphabet().stopGrowth();
  while (iterator.hasNext()) {
    Instance instance=iterator.next();
    Labeling labeling=classifier.classify(instance).getLabeling();
    StringBuilder output=new StringBuilder();
    output.append(instance.getName());
    for (int location=0; location < labeling.numLocations(); location++) {
      output.append("String_Node_Str" + labeling.labelAtLocation(location));
      output.append("String_Node_Str" + labeling.valueAtLocation(location));
    }
    out.println(output);
  }
  if (!outputFile.value.toString().equals("String_Node_Str")) {
    out.close();
  }
}

Fixed version (ground truth):
public static void main(String[] args) throws FileNotFoundException, IOException {
  CommandOption.setSummary(SvmLight2Classify.class,"String_Node_Str");
  CommandOption.process(SvmLight2Classify.class,args);
  if (args.length == 0) {
    CommandOption.getList(SvmLight2Classify.class).printUsage(false);
    System.exit(-1);
  }
  if (inputFile == null) {
    throw new IllegalArgumentException("String_Node_Str" + "String_Node_Str");
  }
  Classifier classifier=null;
  try {
    ObjectInputStream ois=new ObjectInputStream(new BufferedInputStream(new FileInputStream(classifierFile.value)));
    classifier=(Classifier)ois.readObject();
    ois.close();
  }
 catch (  Exception e) {
    throw new IllegalArgumentException("String_Node_Str" + classifierFile.value + "String_Node_Str"+ e.getMessage());
  }
  classifier.getInstancePipe().getDataAlphabet().stopGrowth();
  classifier.getInstancePipe().getTargetAlphabet().stopGrowth();
  InstanceList instances=new InstanceList(classifier.getInstancePipe());
  Reader fileReader;
  if (inputFile.equals("String_Node_Str")) {
    fileReader=new InputStreamReader(System.in);
  }
 else {
    fileReader=new InputStreamReader(new FileInputStream(inputFile.value),encoding.value);
  }
  instances.addThruPipe(new SelectiveFileLineIterator(fileReader,"String_Node_Str"));
  Iterator<Instance> iterator=instances.iterator();
  PrintStream out=null;
  if (outputFile.value.toString().equals("String_Node_Str")) {
    out=System.out;
  }
 else {
    out=new PrintStream(outputFile.value,encoding.value);
  }
  while (iterator.hasNext()) {
    Instance instance=iterator.next();
    Labeling labeling=classifier.classify(instance).getLabeling();
    StringBuilder output=new StringBuilder();
    output.append(instance.getName());
    for (int location=0; location < labeling.numLocations(); location++) {
      output.append("String_Node_Str" + labeling.labelAtLocation(location));
      output.append("String_Node_Str" + labeling.valueAtLocation(location));
    }
    out.println(output);
  }
  if (!outputFile.value.toString().equals("String_Node_Str")) {
    out.close();
  }
}