Program: 33737
Project: 33737
Buggy source:
/** 
 * Creates the anonymous subclasses of Command and add them to the List of Commands.
 */
private static void initializeCommands(){
  commandList=new ArrayList<Command>();
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printUnlockedAchievements();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printAge();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      CommandHelp.printCommandList(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      DebugTools.parseDebugCommand(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().destroyItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().dropItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().eatItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().parseEquip(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Game.exit();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Math.fibonacci(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=Engine.parseHeroWalk(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      CommandHelp.printHelp(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printNextHint();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printInventory();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().attackTarget(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Utils.printLicense();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      GameState loadedGameState=Loader.loadGame(issuedCommand);
      if (loadedGameState != null) {
        gameState=loadedGameState;
      }
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().look(null);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      WorldMap map=new WorldMap(gameState.getWorld(),gameState.getHeroPosition());
      IO.writeString(map.toString());
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState=Loader.newGame();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().pickItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printPoem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().readItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().rest();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().editRotation(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Loader.saveGame(gameState,issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Loader.printFilesInSavesFolder();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printSkills();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().sleep();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getStatistics().printStatistics();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printAllStatus();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      SystemInfo.printSystemInfo();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().printDateAndTime();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().unequipWeapon();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Wiki.search(issuedCommand);
    }
  }
);
}

Fixed version (ground truth):
/** 
 * Creates the anonymous subclasses of Command and add them to the List of Commands.
 */
private static void initializeCommands(){
  commandList=new ArrayList<Command>();
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printUnlockedAchievements();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printAge();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      CommandHelp.printCommandList(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      DebugTools.parseDebugCommand(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().destroyItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().dropItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().eatItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().parseEquip(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Game.exit();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Math.parseFibonacci(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=Engine.parseHeroWalk(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      CommandHelp.printHelp(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printNextHint();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printInventory();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().attackTarget(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Utils.printLicense();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      GameState loadedGameState=Loader.loadGame(issuedCommand);
      if (loadedGameState != null) {
        gameState=loadedGameState;
      }
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().look(null);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      WorldMap map=new WorldMap(gameState.getWorld(),gameState.getHeroPosition());
      IO.writeString(map.toString());
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState=Loader.newGame();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().pickItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.printPoem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().readItem(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().rest();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().editRotation(issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Loader.saveGame(gameState,issuedCommand);
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Loader.printFilesInSavesFolder();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printSkills();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().sleep();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getStatistics().printStatistics();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      gameState.getHero().printAllStatus();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      SystemInfo.printSystemInfo();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().printDateAndTime();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      turnResult.turnLength=gameState.getHero().unequipWeapon();
    }
  }
);
  commandList.add(new Command("String_Node_Str","String_Node_Str"){
    @Override public void execute(    IssuedCommand issuedCommand){
      Wiki.search(issuedCommand);
    }
  }
);
}