Program: 32621
Project: 32621
Buggy source:
private void update(){
  this.ss=PlayerListScheme.getScheme();
  Calendar now=Calendar.getInstance();
  int second=now.get(Calendar.SECOND);
  int minute=now.get(Calendar.MINUTE);
  for (  int i : PlayerListScheme.getEdit()) {
    String s=ss[i];
    if (s == null || s.isEmpty()) {
      continue;
    }
    if (second < 10) {
      s=StringUtils.replace(s,"String_Node_Str",'0' + Integer.toString(second));
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(second));
    }
    if (minute < 10) {
      s=StringUtils.replace(s,"String_Node_Str",'0' + Integer.toString(minute));
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(minute));
    }
    if (user.hasGuild()) {
      s=StringUtils.replace(s,"String_Node_Str",user.getGuild().getName());
      s=StringUtils.replace(s,"String_Node_Str",user.getGuild().getTag());
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
    }
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(Bukkit.getOnlinePlayers().length));
    s=StringUtils.replace(s,"String_Node_Str",user.getName());
    s=StringUtils.replace(s,"String_Node_Str",Ticking.getTPS());
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(user.getPing()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(user.getRank().getPoints()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(user.getRank().getKills()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(user.getRank().getDeaths()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(now.get(Calendar.HOUR_OF_DAY)));
    String r=Parser.parseRank(s);
    if (r != null) {
      s=r;
    }
    prefix[i]="String_Node_Str";
    suffix[i]="String_Node_Str";
    ss[i]=s;
  }
}

Fixed version (ground truth):
private void update(){
  this.ss=PlayerListScheme.getScheme();
  Calendar now=Calendar.getInstance();
  int second=now.get(Calendar.SECOND);
  int minute=now.get(Calendar.MINUTE);
  for (  int i : PlayerListScheme.getEdit()) {
    String s=ss[i];
    if (s == null || s.isEmpty()) {
      continue;
    }
    if (second < 10) {
      s=StringUtils.replace(s,"String_Node_Str",'0' + Integer.toString(second));
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(second));
    }
    if (minute < 10) {
      s=StringUtils.replace(s,"String_Node_Str",'0' + Integer.toString(minute));
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(minute));
    }
    if (user.hasGuild()) {
      Guild guild=user.getGuild();
      Region region=Region.get(guild.getRegion());
      Rank rank=guild.getRank();
      s=StringUtils.replace(s,"String_Node_Str",guild.getName());
      s=StringUtils.replace(s,"String_Node_Str",guild.getTag());
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(guild.getLives()));
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(region.getSize()));
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getPoints()));
      s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getPosition()));
    }
 else {
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
      s=StringUtils.replace(s,"String_Node_Str","String_Node_Str");
    }
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(Bukkit.getOnlinePlayers().length));
    s=StringUtils.replace(s,"String_Node_Str",user.getName());
    s=StringUtils.replace(s,"String_Node_Str",Ticking.getTPS());
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(user.getPing()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(now.get(Calendar.HOUR_OF_DAY)));
    Rank rank=user.getRank();
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getPoints()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getKills()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getDeaths()));
    s=StringUtils.replace(s,"String_Node_Str",Integer.toString(rank.getPosition()));
    String r=Parser.parseRank(s);
    if (r != null) {
      s=r;
    }
    prefix[i]="String_Node_Str";
    suffix[i]="String_Node_Str";
    ss[i]=s;
  }
}