Program: 188102
Project: 188102
Buggy source:
@Override public void onPerformSync(Account account,Bundle extras,String authority,ContentProviderClient provider,SyncResult syncResult){
  try {
    AccountManager manager=AccountManager.get(getContext());
    String cookie=manager.blockingGetAuthToken(account,AccountAuthenticator.AUTH_TOKEN_COOKIE,true);
    String modhash=manager.blockingGetAuthToken(account,AccountAuthenticator.AUTH_TOKEN_MODHASH,true);
    Cursor c=provider.query(CommentProvider.ACTIONS_URI,PROJECTION,CommentActions.SELECT_BY_ACCOUNT,Array.of(account.name),CommentActions.SORT_BY_ID);
    int count=c.getCount();
    long id=-1;
    int action=-1;
    String thingId=null;
    String text=null;
    if (c.moveToNext()) {
      id=c.getLong(INDEX_ID);
      action=c.getInt(INDEX_ACTION);
      thingId=c.getString(INDEX_THING_ID);
      text=c.getString(INDEX_TEXT);
    }
    c.close();
    if (id != -1) {
      try {
        Result result=null;
        if (action == CommentActions.ACTION_INSERT) {
          result=RedditApi.comment(thingId,text,cookie,modhash);
        }
 else         if (action == CommentActions.ACTION_DELETE) {
          result=RedditApi.delete(thingId,cookie,modhash);
        }
        if (BuildConfig.DEBUG) {
          result.logErrors(TAG);
        }
        if (!result.shouldRetry()) {
          syncResult.stats.numDeletes+=provider.delete(CommentProvider.ACTIONS_URI,CommentProvider.ID_SELECTION,Array.of(id));
          count--;
        }
        syncResult.stats.numSkippedEntries+=count;
        long rateLimit=RATE_LIMIT_SECONDS;
        if (result.rateLimit > 0) {
          rateLimit=Math.round(result.rateLimit);
        }
        syncResult.delayUntil=System.currentTimeMillis() / 1000 + rateLimit;
        if (BuildConfig.DEBUG) {
          Log.d(TAG,"String_Node_Str" + rateLimit + "String_Node_Str"+ syncResult.delayUntil);
        }
        if (count > 0) {
          if (BuildConfig.DEBUG) {
            Log.d(TAG,"String_Node_Str" + rateLimit);
          }
          ContentResolver.addPeriodicSync(account,authority,Bundle.EMPTY,rateLimit);
        }
 else {
          if (BuildConfig.DEBUG) {
            Log.d(TAG,"String_Node_Str");
          }
          ContentResolver.removePeriodicSync(account,authority,Bundle.EMPTY);
        }
      }
 catch (      IOException e) {
        Log.e(TAG,e.getMessage(),e);
        syncResult.stats.numIoExceptions++;
      }
    }
  }
 catch (  RemoteException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.databaseError=true;
  }
catch (  OperationCanceledException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numAuthExceptions++;
  }
catch (  AuthenticatorException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numAuthExceptions++;
  }
catch (  IOException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numIoExceptions++;
  }
  if (BuildConfig.DEBUG) {
    Log.d(TAG,"String_Node_Str" + account.name + "String_Node_Str"+ syncResult);
  }
}

Fixed version (ground truth):
@Override public void onPerformSync(Account account,Bundle extras,String authority,ContentProviderClient provider,SyncResult syncResult){
  try {
    AccountManager manager=AccountManager.get(getContext());
    String cookie=manager.blockingGetAuthToken(account,AccountAuthenticator.AUTH_TOKEN_COOKIE,true);
    String modhash=manager.blockingGetAuthToken(account,AccountAuthenticator.AUTH_TOKEN_MODHASH,true);
    Cursor c=provider.query(CommentProvider.ACTIONS_URI,PROJECTION,CommentActions.SELECT_BY_ACCOUNT,Array.of(account.name),CommentActions.SORT_BY_ID);
    int count=c.getCount();
    long id=-1;
    int action=-1;
    String thingId=null;
    String text=null;
    if (c.moveToNext()) {
      id=c.getLong(INDEX_ID);
      action=c.getInt(INDEX_ACTION);
      thingId=c.getString(INDEX_THING_ID);
      text=c.getString(INDEX_TEXT);
    }
    c.close();
    if (id != -1) {
      try {
        Result result=null;
        if (action == CommentActions.ACTION_INSERT) {
          result=RedditApi.comment(thingId,text,cookie,modhash);
        }
 else         if (action == CommentActions.ACTION_DELETE) {
          result=RedditApi.delete(thingId,cookie,modhash);
        }
        if (BuildConfig.DEBUG) {
          result.logAnyErrors(TAG);
        }
        if (!result.shouldRetry()) {
          syncResult.stats.numDeletes+=provider.delete(CommentProvider.ACTIONS_URI,CommentProvider.ID_SELECTION,Array.of(id));
          count--;
        }
        syncResult.stats.numSkippedEntries+=count;
        long rateLimit=RATE_LIMIT_SECONDS;
        if (result.rateLimit > 0) {
          rateLimit=Math.round(result.rateLimit);
        }
        syncResult.delayUntil=System.currentTimeMillis() / 1000 + rateLimit;
        if (BuildConfig.DEBUG) {
          Log.d(TAG,"String_Node_Str" + rateLimit + "String_Node_Str"+ syncResult.delayUntil);
        }
        if (count > 0) {
          if (BuildConfig.DEBUG) {
            Log.d(TAG,"String_Node_Str" + rateLimit);
          }
          ContentResolver.addPeriodicSync(account,authority,Bundle.EMPTY,rateLimit);
        }
 else {
          if (BuildConfig.DEBUG) {
            Log.d(TAG,"String_Node_Str");
          }
          ContentResolver.removePeriodicSync(account,authority,Bundle.EMPTY);
        }
      }
 catch (      IOException e) {
        Log.e(TAG,e.getMessage(),e);
        syncResult.stats.numIoExceptions++;
      }
    }
  }
 catch (  RemoteException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.databaseError=true;
  }
catch (  OperationCanceledException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numAuthExceptions++;
  }
catch (  AuthenticatorException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numAuthExceptions++;
  }
catch (  IOException e) {
    Log.e(TAG,e.getMessage(),e);
    syncResult.stats.numIoExceptions++;
  }
  if (BuildConfig.DEBUG) {
    Log.d(TAG,"String_Node_Str" + account.name + "String_Node_Str"+ syncResult);
  }
}