Program: 10174
Project: 10174
Buggy source:
/** 
 * parse file
 */
public void startParser(){
  config.reInit();
  if (this.file.exists()) {
    ConfParser parser=ConfParser.parseFile(file);
    Map<Class<? extends Component>,String> componentPrefixMapping=Start.createComponentPrefixMapping();
    Map<URL,Class<? extends KnowledgeSource>> importedFiles=Start.getImportedFiles(parser,file.getParentFile().getPath());
    for (    Map.Entry<URL,Class<? extends KnowledgeSource>> entry : importedFiles.entrySet()) {
      config.setKnowledgeSource(config.getComponentManager().knowledgeSource(entry.getValue()));
      config.getComponentManager().applyConfigEntry(config.getKnowledgeSource(),"String_Node_Str",entry.getKey().toString());
      config.setKnowledgeSource(config.getKnowledgeSource());
      Start.configureComponent(config.getComponentManager(),config.getKnowledgeSource(),componentPrefixMapping,parser);
      startGUI.updateTabColors();
      if (config.getKnowledgeSource() != null && config.isSetURL()) {
        try {
          config.getKnowledgeSource().init();
          config.setInitKnowledgeSource(true);
          System.out.println("String_Node_Str");
        }
 catch (        ComponentInitException e) {
          e.printStackTrace();
        }
      }
    }
    ConfFileOption reasonerOption=parser.getConfOptionsByName("String_Node_Str");
    config.setReasoner(config.getComponentManager().reasoner(Start.getReasonerClass(reasonerOption),config.getKnowledgeSource()));
    Start.configureComponent(config.getComponentManager(),config.getReasoner(),componentPrefixMapping,parser);
    if (config.getKnowledgeSource() != null && config.getReasoner() != null) {
      try {
        config.getReasoner().init();
        System.out.println("String_Node_Str");
        config.setReasoningService(config.getComponentManager().reasoningService(config.getReasoner()));
        System.out.println("String_Node_Str");
        config.setInitReasoner(true);
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    ConfFileOption problemOption=parser.getConfOptionsByName("String_Node_Str");
    config.setLearningProblem(config.getComponentManager().learningProblem(Start.getLearningProblemClass(problemOption),config.getReasoningService()));
    SortedSet<String> posExamples=parser.getPositiveExamples();
    SortedSet<String> negExamples=parser.getNegativeExamples();
    config.getComponentManager().applyConfigEntry(config.getLearningProblem(),"String_Node_Str",posExamples);
    if (Start.getLearningProblemClass(problemOption) != PosOnlyDefinitionLP.class)     config.getComponentManager().applyConfigEntry(config.getLearningProblem(),"String_Node_Str",negExamples);
    Start.configureComponent(config.getComponentManager(),config.getLearningProblem(),componentPrefixMapping,parser);
    if (config.getReasoner() != null && config.getLearningProblem() != null) {
      try {
        config.getLearningProblem().init();
        config.setInitLearningProblem(true);
        System.out.println("String_Node_Str");
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    ConfFileOption algorithmOption=parser.getConfOptionsByName("String_Node_Str");
    if (config.getLearningProblem() != null && config.getReasoningService() != null) {
      try {
        config.setLearningAlgorithm(config.getComponentManager().learningAlgorithm(Start.getLearningAlgorithm(algorithmOption),config.getLearningProblem(),config.getReasoningService()));
      }
 catch (      LearningProblemUnsupportedException e) {
        e.printStackTrace();
      }
    }
    Start.configureComponent(config.getComponentManager(),config.getLearningAlgorithm(),componentPrefixMapping,parser);
    if (config.getLearningProblem() != null) {
      try {
        config.getLearningAlgorithm().init();
        config.setInitLearningAlgorithm(true);
        System.out.println("String_Node_Str");
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    startGUI.updateTabColors();
  }
}

Fixed version (ground truth):
/** 
 * parse file
 */
public void startParser(){
  config.reInit();
  if (this.file.exists()) {
    ConfParser parser=ConfParser.parseFile(file);
    Map<Class<? extends Component>,String> componentPrefixMapping=Start.createComponentPrefixMapping();
    Map<URL,Class<? extends KnowledgeSource>> importedFiles=Start.getImportedFiles(parser,file.getParentFile().getPath());
    for (    Map.Entry<URL,Class<? extends KnowledgeSource>> entry : importedFiles.entrySet()) {
      config.setKnowledgeSource(config.getComponentManager().knowledgeSource(entry.getValue()));
      config.getComponentManager().applyConfigEntry(config.getKnowledgeSource(),"String_Node_Str",entry.getKey().toString());
      config.setKnowledgeSource(config.getKnowledgeSource());
      Start.configureComponent(config.getComponentManager(),config.getKnowledgeSource(),componentPrefixMapping,parser);
      startGUI.updateTabColors();
      if (config.getKnowledgeSource() != null && config.isSetURL()) {
        try {
          config.getKnowledgeSource().init();
          System.out.println("String_Node_Str");
        }
 catch (        ComponentInitException e) {
          e.printStackTrace();
        }
      }
    }
    ConfFileOption reasonerOption=parser.getConfOptionsByName("String_Node_Str");
    config.setReasoner(config.getComponentManager().reasoner(Start.getReasonerClass(reasonerOption),config.getKnowledgeSource()));
    Start.configureComponent(config.getComponentManager(),config.getReasoner(),componentPrefixMapping,parser);
    if (config.getKnowledgeSource() != null && config.getReasoner() != null) {
      try {
        config.getReasoner().init();
        System.out.println("String_Node_Str");
        config.setReasoningService(config.getComponentManager().reasoningService(config.getReasoner()));
        System.out.println("String_Node_Str");
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    ConfFileOption problemOption=parser.getConfOptionsByName("String_Node_Str");
    config.setLearningProblem(config.getComponentManager().learningProblem(Start.getLearningProblemClass(problemOption),config.getReasoningService()));
    SortedSet<String> posExamples=parser.getPositiveExamples();
    SortedSet<String> negExamples=parser.getNegativeExamples();
    config.getComponentManager().applyConfigEntry(config.getLearningProblem(),"String_Node_Str",posExamples);
    if (Start.getLearningProblemClass(problemOption) != PosOnlyDefinitionLP.class)     config.getComponentManager().applyConfigEntry(config.getLearningProblem(),"String_Node_Str",negExamples);
    Start.configureComponent(config.getComponentManager(),config.getLearningProblem(),componentPrefixMapping,parser);
    if (config.getReasoner() != null && config.getLearningProblem() != null) {
      try {
        config.getLearningProblem().init();
        System.out.println("String_Node_Str");
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    ConfFileOption algorithmOption=parser.getConfOptionsByName("String_Node_Str");
    if (config.getLearningProblem() != null && config.getReasoningService() != null) {
      try {
        config.setLearningAlgorithm(config.getComponentManager().learningAlgorithm(Start.getLearningAlgorithm(algorithmOption),config.getLearningProblem(),config.getReasoningService()));
      }
 catch (      LearningProblemUnsupportedException e) {
        e.printStackTrace();
      }
    }
    Start.configureComponent(config.getComponentManager(),config.getLearningAlgorithm(),componentPrefixMapping,parser);
    if (config.getLearningProblem() != null) {
      try {
        config.getLearningAlgorithm().init();
        System.out.println("String_Node_Str");
        startGUI.updateTabColors();
      }
 catch (      ComponentInitException e) {
        e.printStackTrace();
      }
    }
    startGUI.updateTabColors();
  }
}