Program: 56434
Project: 56434
Buggy source:
private void upgrade(){
  final int currentVersion=settings.getInt(Settings.VERSION_CODE,-1);
  if (currentVersion == -1) {
    settings.edit().putInt(Settings.VERSION_CODE,BuildConfig.VERSION_CODE).apply();
    return;
  }
  if (currentVersion != BuildConfig.VERSION_CODE) {
    if (currentVersion < 20002) {
      Accounts.removeAccount(this);
      settings.edit().clear().apply();
    }
    if (currentVersion < 20501) {
      TraktTimestamps.clear(this);
    }
    if (currentVersion < 21001) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new ForceUpdateJob());
        }
      }
);
    }
    if (currentVersion <= 21001) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new UpdateShowCounts());
        }
      }
);
    }
    if (currentVersion <= 31001) {
      Account account=Accounts.getAccount(this);
      if (account != null) {
        ContentResolver.setIsSyncable(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,1);
        ContentResolver.setSyncAutomatically(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,true);
        ContentResolver.addPeriodicSync(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,new Bundle(),12 * DateUtils.HOUR_IN_SECONDS);
      }
      Accounts.requestCalendarSync(this);
    }
    if (currentVersion <= 31003) {
      settings.edit().remove("String_Node_Str").apply();
    }
    if (currentVersion <= 37000) {
      settings.edit().remove(Settings.START_PAGE).apply();
    }
    if (currentVersion <= 39003) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new SyncAnticipatedShows());
          jobManager.addJob(new SyncAnticipatedMovies());
        }
      }
);
    }
    MainHandler.post(new Runnable(){
      @Override public void run(){
        jobManager.addJob(new SyncJob());
      }
    }
);
    settings.edit().putInt(Settings.VERSION_CODE,BuildConfig.VERSION_CODE).apply();
  }
}

Fixed version (ground truth):
private void upgrade(){
  final int currentVersion=settings.getInt(Settings.VERSION_CODE,-1);
  if (currentVersion == -1) {
    settings.edit().putInt(Settings.VERSION_CODE,BuildConfig.VERSION_CODE).apply();
    return;
  }
  if (currentVersion != BuildConfig.VERSION_CODE) {
    if (currentVersion < 20002) {
      Accounts.removeAccount(this);
      settings.edit().clear().apply();
    }
    if (currentVersion < 20501) {
      TraktTimestamps.clear(this);
    }
    if (currentVersion < 21001) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new ForceUpdateJob());
        }
      }
);
    }
    if (currentVersion <= 21001) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new UpdateShowCounts());
        }
      }
);
    }
    if (currentVersion <= 31001) {
      Account account=Accounts.getAccount(this);
      if (account != null) {
        ContentResolver.setIsSyncable(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,1);
        ContentResolver.setSyncAutomatically(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,true);
        ContentResolver.addPeriodicSync(account,BuildConfig.AUTHORITY_DUMMY_CALENDAR,new Bundle(),12 * DateUtils.HOUR_IN_SECONDS);
      }
      Accounts.requestCalendarSync(this);
    }
    if (currentVersion <= 31003) {
      settings.edit().remove("String_Node_Str").apply();
    }
    if (currentVersion <= 37000) {
      settings.edit().remove(Settings.START_PAGE).apply();
    }
    if (currentVersion <= 39003) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new SyncAnticipatedShows());
          jobManager.addJob(new SyncAnticipatedMovies());
        }
      }
);
    }
    if (currentVersion <= 40102) {
      MainHandler.post(new Runnable(){
        @Override public void run(){
          jobManager.addJob(new EnsureSync());
        }
      }
);
    }
    MainHandler.post(new Runnable(){
      @Override public void run(){
        jobManager.addJob(new SyncJob());
      }
    }
);
    settings.edit().putInt(Settings.VERSION_CODE,BuildConfig.VERSION_CODE).apply();
  }
}