Program: 86668
Project: 86668
Buggy source:
private void player(Player player,String[] args){
  if (args.length == 1) {
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str"));
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
    player.message(Colors.YELLOW + "String_Node_Str");
    List<Kit> kits=Canary.kits().getAllKits();
    StringBuilder kitList=new StringBuilder();
    for (    Kit k : kits) {
      kitList.append(k.getName()).append("String_Node_Str");
    }
    player.message(kitList.toString());
    return;
  }
  if (args[1].equalsIgnoreCase("String_Node_Str")) {
    if (args.length < 3) {
      player.message(Colors.YELLOW + "String_Node_Str");
      List<Kit> kits=Canary.kits().getAllKits();
      StringBuilder kitList=new StringBuilder();
      for (      Kit k : kits) {
        kitList.append(k.getName()).append("String_Node_Str");
      }
      player.message(kitList.toString());
      return;
    }
    if (args.length == 3) {
      Kit kit=Canary.kits().getKit(args[2]);
      if (kit != null) {
        if (kit.giveKit(player,false)) {
          player.message(Colors.YELLOW + Translator.translate("String_Node_Str"));
          return;
        }
 else {
          player.notice(Translator.translate("String_Node_Str"));
          return;
        }
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
    }
    if (args.length > 3) {
      if (!player.hasPermission("String_Node_Str")) {
        return;
      }
      Player recipient=Canary.getServer().matchPlayer(args[3]);
      if (recipient != null) {
        Kit kit=Canary.kits().getKit(args[2]);
        if (kit != null) {
          if (kit.giveKit(recipient,false)) {
            recipient.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",player.getName()));
            return;
          }
 else {
            player.notice(Translator.translateAndFormat("String_Node_Str",recipient.getName()));
            return;
          }
        }
 else {
          player.notice(Translator.translateAndFormat("String_Node_Str",args[2]));
          return;
        }
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str",args[3]));
        return;
      }
    }
  }
  if (args[1].equalsIgnoreCase("String_Node_Str")) {
    if (args.length < 4) {
      player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
      return;
    }
    if (args.length == 4) {
      Kit newKit=new Kit();
      newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
      newKit.setDelay(Integer.parseInt(args[3]));
      newKit.setName(args[2]);
      Canary.kits().addKit(newKit);
      player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
      return;
    }
    if (args.length >= 6) {
      if (args[4].equalsIgnoreCase("String_Node_Str") && player.hasPermission("String_Node_Str")) {
        String[] groups=new String[args.length - 5];
        for (int i=0; i < groups.length; i++) {
          Group g=Canary.usersAndGroups().getGroup(args[i + 5]);
          if (g != null) {
            groups[i]=g.getName();
          }
 else {
            groups[i]=Canary.usersAndGroups().getDefaultGroup().getName();
          }
        }
        Kit newKit=new Kit();
        newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
        newKit.setDelay(Integer.parseInt(args[3]));
        newKit.setName(args[2]);
        newKit.setGroups(groups);
        Canary.kits().addKit(newKit);
        player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
 else       if (args[4].equalsIgnoreCase("String_Node_Str") && player.hasPermission("String_Node_Str")) {
        String[] players=new String[args.length - 5];
        System.arraycopy(args,5,players,0,players.length);
        Kit newKit=new Kit();
        newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
        newKit.setDelay(Integer.parseInt(args[3]));
        newKit.setName(args[2]);
        newKit.setOwner(players);
        Canary.kits().addKit(newKit);
        player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
        ;
        return;
      }
    }
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
    return;
  }
  player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str"));
  player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
  return;
}

Fixed version (ground truth):
private void player(Player player,String[] args){
  if (args.length == 1) {
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str"));
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
    player.message(Colors.YELLOW + "String_Node_Str");
    List<Kit> kits=Canary.kits().getAllKits();
    StringBuilder kitList=new StringBuilder();
    for (    Kit k : kits) {
      kitList.append(k.getName()).append("String_Node_Str");
    }
    player.message(kitList.toString());
    return;
  }
  if (args[1].equalsIgnoreCase("String_Node_Str")) {
    if (args.length < 3) {
      player.message(Colors.YELLOW + "String_Node_Str");
      List<Kit> kits=Canary.kits().getAllKits();
      StringBuilder kitList=new StringBuilder();
      for (      Kit k : kits) {
        kitList.append(k.getName()).append("String_Node_Str");
      }
      player.message(kitList.toString());
      return;
    }
    if (args.length == 3) {
      Kit kit=Canary.kits().getKit(args[2]);
      if (kit != null) {
        if (kit.giveKit(player,false)) {
          player.message(Colors.YELLOW + Translator.translate("String_Node_Str"));
          return;
        }
 else {
          player.notice(Translator.translate("String_Node_Str"));
          return;
        }
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
    }
    if (args.length > 3) {
      if (!player.hasPermission("String_Node_Str")) {
        return;
      }
      Player recipient=Canary.getServer().matchPlayer(args[3]);
      if (recipient != null) {
        Kit kit=Canary.kits().getKit(args[2]);
        if (kit != null) {
          if (kit.giveKit(recipient,false)) {
            recipient.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",player.getName()));
            return;
          }
 else {
            player.notice(Translator.translateAndFormat("String_Node_Str",recipient.getName()));
            return;
          }
        }
 else {
          player.notice(Translator.translateAndFormat("String_Node_Str",args[2]));
          return;
        }
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str",args[3]));
        return;
      }
    }
  }
  if (args[1].equalsIgnoreCase("String_Node_Str")) {
    if (args.length < 4) {
      player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
      return;
    }
    if (args.length == 4) {
      Kit newKit=new Kit();
      newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
      newKit.setDelay(Integer.parseInt(args[3]));
      newKit.setName(args[2]);
      Canary.kits().addKit(newKit);
      player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
      return;
    }
    if (args.length >= 6) {
      if (args[4].equalsIgnoreCase("String_Node_Str") && player.hasPermission("String_Node_Str")) {
        String[] groups=new String[args.length - 5];
        for (int i=0; i < groups.length; i++) {
          Group g=Canary.usersAndGroups().getGroup(args[i + 5]);
          if (g != null) {
            groups[i]=g.getName();
          }
 else {
            groups[i]=Canary.usersAndGroups().getDefaultGroup().getName();
          }
        }
        Kit newKit=new Kit();
        newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
        newKit.setDelay(Integer.parseInt(args[3]));
        newKit.setName(args[2]);
        newKit.setGroups(groups);
        Canary.kits().addKit(newKit);
        player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
 else       if (args[4].equalsIgnoreCase("String_Node_Str") && player.hasPermission("String_Node_Str")) {
        String[] players=new String[args.length - 5];
        System.arraycopy(args,5,players,0,players.length);
        Kit newKit=new Kit();
        newKit.setContent(new ArrayList<Item>(Arrays.asList(player.getInventory().getContents())));
        newKit.setDelay(Integer.parseInt(args[3]));
        newKit.setName(args[2]);
        newKit.setOwner(players);
        Canary.kits().addKit(newKit);
        player.message(Colors.YELLOW + Translator.translateAndFormat("String_Node_Str",args[2]));
        return;
      }
 else {
        player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
        ;
        return;
      }
    }
    player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
    return;
  }
  player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str"));
  player.notice(Translator.translateAndFormat("String_Node_Str","String_Node_Str") + "String_Node_Str" + Translator.translate("String_Node_Str"));
}