Program: 8699
Project: 8699
Buggy source:
public void update(Context context){
  SharedPreferences prefs=PreferenceManager.getDefaultSharedPreferences(context);
  boolean gadgetClock=prefs.getBoolean("String_Node_Str",true);
  boolean gadgetIn24=prefs.getBoolean("String_Node_Str",false);
  boolean blackWidget=prefs.getBoolean("String_Node_Str",false);
  char[] digits=preferredDigits(context);
  PendingIntent launchAppPendingIntent=PendingIntent.getActivity(context,0,new Intent(context,CalendarActivity.class),PendingIntent.FLAG_UPDATE_CURRENT);
  AppWidgetManager manager=AppWidgetManager.getInstance(context);
  RemoteViews remoteViews1=new RemoteViews(context.getPackageName(),R.layout.widget1x1);
  RemoteViews remoteViews4=new RemoteViews(context.getPackageName(),R.layout.widget4x1);
  CivilDate civil=new CivilDate();
  PersianDate persian=DateConverter.civilToPersian(civil);
  persian.setDari(isDariVersion(context));
  int color;
  if (blackWidget) {
    color=context.getResources().getColor(android.R.color.black);
  }
 else {
    color=context.getResources().getColor(android.R.color.white);
  }
  remoteViews1.setTextColor(R.id.textPlaceholder1_1x1,color);
  remoteViews1.setTextColor(R.id.textPlaceholder2_1x1,color);
  remoteViews1.setTextViewText(R.id.textPlaceholder2_1x1,textShaper(persian.getMonthName()));
  remoteViews1.setTextViewText(R.id.textPlaceholder1_1x1,formatNumber(persian.getDayOfMonth(),digits));
  remoteViews1.setOnClickPendingIntent(R.id.widget_layout1x1,launchAppPendingIntent);
  manager.updateAppWidget(new ComponentName(context,CalendarWidget1x1.class),remoteViews1);
  remoteViews4.setTextColor(R.id.textPlaceholder1_4x1,color);
  remoteViews4.setTextColor(R.id.textPlaceholder2_4x1,color);
  String text1;
  String text2;
  text1=getDayOfWeekName(civil.getDayOfWeek());
  String dayTitle=dateToString(persian,digits,true);
  text2=dayTitle + PERSIAN_COMMA + "String_Node_Str"+ dateToString(civil,digits,true);
  if (gadgetClock) {
    text2=text1 + "String_Node_Str" + text2;
    text1=getPersianFormattedClock(new Date(),digits,gadgetIn24);
  }
  text1=textShaper(text1);
  text2=textShaper(text2);
  remoteViews4.setTextViewText(R.id.textPlaceholder1_4x1,text1);
  remoteViews4.setTextViewText(R.id.textPlaceholder2_4x1,text2);
  remoteViews4.setOnClickPendingIntent(R.id.widget_layout4x1,launchAppPendingIntent);
  manager.updateAppWidget(new ComponentName(context,CalendarWidget4x1.class),remoteViews4);
  if (mNotificationManager == null) {
    mNotificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
  }
  if (prefs.getBoolean("String_Node_Str",true)) {
    mNotificationManager.cancel(NOTIFICATION_ID);
    String contentText=dateToString(civil,digits,true) + PERSIAN_COMMA + "String_Node_Str"+ dateToString(DateConverter.civilToIslamic(civil),digits,true);
    if (largeIcon == null) {
      largeIcon=BitmapFactory.decodeResource(getResources(),R.drawable.launcher_icon);
    }
    Notification notification=new Notification.Builder(this).setSmallIcon(DaysIcons.getInstance().getDayIconResource(persian.getDayOfMonth())).setLargeIcon(largeIcon).setShowWhen(false).setPriority(Notification.PRIORITY_LOW).setContentText(contentText).setContentTitle(dayTitle).setContentIntent(launchAppPendingIntent).setOngoing(true).build();
    mNotificationManager.notify(NOTIFICATION_ID,notification);
  }
 else {
    mNotificationManager.cancel(NOTIFICATION_ID);
  }
}

Fixed version (ground truth):
public void update(Context context){
  SharedPreferences prefs=PreferenceManager.getDefaultSharedPreferences(context);
  boolean gadgetClock=prefs.getBoolean("String_Node_Str",true);
  boolean gadgetIn24=prefs.getBoolean("String_Node_Str",false);
  boolean blackWidget=prefs.getBoolean("String_Node_Str",false);
  char[] digits=preferredDigits(context);
  PendingIntent launchAppPendingIntent=PendingIntent.getActivity(context,0,new Intent(context,CalendarActivity.class),PendingIntent.FLAG_UPDATE_CURRENT);
  AppWidgetManager manager=AppWidgetManager.getInstance(context);
  RemoteViews remoteViews1=new RemoteViews(context.getPackageName(),R.layout.widget1x1);
  RemoteViews remoteViews4=new RemoteViews(context.getPackageName(),R.layout.widget4x1);
  CivilDate civil=new CivilDate();
  PersianDate persian=DateConverter.civilToPersian(civil);
  persian.setDari(isDariVersion(context));
  int color;
  if (blackWidget) {
    color=context.getResources().getColor(android.R.color.black);
  }
 else {
    color=context.getResources().getColor(android.R.color.white);
  }
  remoteViews1.setTextColor(R.id.textPlaceholder1_1x1,color);
  remoteViews1.setTextColor(R.id.textPlaceholder2_1x1,color);
  remoteViews1.setTextViewText(R.id.textPlaceholder2_1x1,textShaper(persian.getMonthName()));
  remoteViews1.setTextViewText(R.id.textPlaceholder1_1x1,formatNumber(persian.getDayOfMonth(),digits));
  remoteViews1.setOnClickPendingIntent(R.id.widget_layout1x1,launchAppPendingIntent);
  manager.updateAppWidget(new ComponentName(context,CalendarWidget1x1.class),remoteViews1);
  remoteViews4.setTextColor(R.id.textPlaceholder1_4x1,color);
  remoteViews4.setTextColor(R.id.textPlaceholder2_4x1,color);
  String text1;
  String text2;
  text1=getDayOfWeekName(civil.getDayOfWeek());
  String dayTitle=dateToString(persian,digits,true);
  text2=dayTitle + PERSIAN_COMMA + "String_Node_Str"+ dateToString(civil,digits,true);
  if (gadgetClock) {
    text2=text1 + "String_Node_Str" + text2;
    text1=getPersianFormattedClock(new Date(),digits,gadgetIn24);
  }
  text1=textShaper(text1);
  text2=textShaper(text2);
  remoteViews4.setTextViewText(R.id.textPlaceholder1_4x1,text1);
  remoteViews4.setTextViewText(R.id.textPlaceholder2_4x1,text2);
  remoteViews4.setOnClickPendingIntent(R.id.widget_layout4x1,launchAppPendingIntent);
  manager.updateAppWidget(new ComponentName(context,CalendarWidget4x1.class),remoteViews4);
  if (mNotificationManager == null) {
    mNotificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
  }
  if (prefs.getBoolean("String_Node_Str",true)) {
    mNotificationManager.cancel(NOTIFICATION_ID);
    String contentText=dateToString(civil,digits,true) + PERSIAN_COMMA + "String_Node_Str"+ dateToString(DateConverter.civilToIslamic(civil),digits,true);
    if (largeIcon == null) {
      largeIcon=BitmapFactory.decodeResource(getResources(),R.drawable.launcher_icon);
    }
    Notification notification=new NotificationCompat.Builder(this).setSmallIcon(DaysIcons.getInstance().getDayIconResource(persian.getDayOfMonth())).setLargeIcon(largeIcon).setPriority(Notification.PRIORITY_LOW).setContentText(contentText).setContentTitle(dayTitle).setContentIntent(launchAppPendingIntent).setOngoing(true).build();
    mNotificationManager.notify(NOTIFICATION_ID,notification);
  }
 else {
    mNotificationManager.cancel(NOTIFICATION_ID);
  }
}