Program: 177687
Project: 177687
Buggy source:
public static void main(String[] args){
  Database db=new SQLite("String_Node_Str");
  StandardLogger log=new StandardLogger();
  Log.setLogger(log);
  Log.setLevel(LoggingLevel.WARN);
  MappingSession.setAutoPackageRegistration(false);
  MappingSession.registerEntity(BlogPost.class);
  MappingSession.registerEntity(Keyword.class);
  MappingSession.registerDatabase(db);
  MappingSession.getConfiguration().setCreationPolicy(SchemeCreationPolicy.UPDATE);
  MappingSession.start();
  Scanner scan=new Scanner(System.in);
  int option=0;
  do {
    System.out.print("String_Node_Str");
    System.out.print("String_Node_Str");
    option=scan.nextInt();
    if (option == 1) {
      List<BlogPost> posts=Model.fetchAll(BlogPost.class);
      for (      BlogPost p : posts) {
        System.out.println("String_Node_Str" + p.title);
        System.out.print("String_Node_Str");
        for (        Keyword k : p.keywords) {
          System.out.print(k.word + "String_Node_Str");
        }
        System.out.println();
      }
    }
    if (option == 2) {
      List<Keyword> kws=Model.fetchAll(Keyword.class);
      for (      Keyword k : kws) {
        System.out.println("String_Node_Str" + k.word + "String_Node_Str"+ k.posts.size()+ "String_Node_Str");
      }
    }
    if (option == 3) {
      System.out.print("String_Node_Str");
      String word=null;
      do {
        word=scan.nextLine();
      }
 while (word == null || "String_Node_Str".equals(word));
      Keyword k=new Keyword(word);
      k.insert();
      System.err.println("String_Node_Str");
    }
    if (option == 4) {
      System.out.print("String_Node_Str");
      String title=null;
      do {
        title=scan.nextLine();
      }
 while (title == null || "String_Node_Str".equals(title));
      BlogPost b=new BlogPost();
      b.title=title;
      b.insert();
      List<Keyword> kws=Model.fetchAll(Keyword.class);
      System.out.println("String_Node_Str");
      for (int i=0; i < kws.size(); i++) {
        System.out.println(i + "String_Node_Str" + kws.get(i).word);
      }
      int kwChoice=-1;
      do {
        System.out.print("String_Node_Str");
        kwChoice=scan.nextInt();
        if (kwChoice >= 0 && kwChoice < kws.size()) {
          b.keywords.add(kws.get(kwChoice));
        }
      }
 while (kwChoice >= kws.size() || kwChoice >= 0);
      System.err.println("String_Node_Str");
    }
  }
 while (option != 0);
  System.err.println("String_Node_Str");
}

Fixed version (ground truth):
public static void main(String[] args){
  Database db=new SQLite("String_Node_Str");
  StandardLogger log=new StandardLogger();
  Log.setLogger(log);
  Log.setLevel(LoggingLevel.WARN);
  MappingSession.setAutoPackageRegistration(false);
  MappingSession.registerEntity(BlogPost.class);
  MappingSession.registerEntity(Keyword.class);
  MappingSession.registerDatabase(db);
  MappingSession.getConfiguration().setCreationPolicy(SchemeCreationPolicy.CREATE_IF_NOT_EXISTS);
  MappingSession.start();
  Scanner scan=new Scanner(System.in);
  int option=0;
  do {
    System.out.print("String_Node_Str");
    System.out.print("String_Node_Str");
    option=scan.nextInt();
    if (option == 1) {
      List<BlogPost> posts=Model.fetchAll(BlogPost.class);
      for (      BlogPost p : posts) {
        System.out.println("String_Node_Str" + p.title);
        System.out.print("String_Node_Str");
        for (        Keyword k : p.keywords) {
          System.out.print(k.word + "String_Node_Str");
        }
        System.out.println();
      }
    }
    if (option == 2) {
      List<Keyword> kws=Model.fetchAll(Keyword.class);
      for (      Keyword k : kws) {
        System.out.println("String_Node_Str" + k.word + "String_Node_Str"+ k.posts.size()+ "String_Node_Str");
      }
    }
    if (option == 3) {
      System.out.print("String_Node_Str");
      String word=null;
      do {
        word=scan.nextLine();
      }
 while (word == null || "String_Node_Str".equals(word));
      Keyword k=new Keyword(word);
      k.insert();
      System.err.println("String_Node_Str");
    }
    if (option == 4) {
      System.out.print("String_Node_Str");
      String title=null;
      do {
        title=scan.nextLine();
      }
 while (title == null || "String_Node_Str".equals(title));
      BlogPost b=new BlogPost();
      b.title=title;
      b.insert();
      List<Keyword> kws=Model.fetchAll(Keyword.class);
      System.out.println("String_Node_Str");
      for (int i=0; i < kws.size(); i++) {
        System.out.println(i + "String_Node_Str" + kws.get(i).word);
      }
      int kwChoice=-1;
      do {
        System.out.print("String_Node_Str");
        kwChoice=scan.nextInt();
        if (kwChoice >= 0 && kwChoice < kws.size()) {
          b.keywords.add(kws.get(kwChoice));
        }
      }
 while (kwChoice >= kws.size() || kwChoice >= 0);
      System.err.println("String_Node_Str");
    }
  }
 while (option != 0);
  System.err.println("String_Node_Str");
}