Program: 4535
Project: 4535
Buggy source:
/** 
 * Init the   {@code DateEncoder} with parameters
 */
public void init(){
  width=0;
  setForced(true);
  encoders=new LinkedHashMap<>();
  encoders.put(new EncoderTuple("String_Node_Str",this,0),new ArrayList<EncoderTuple>());
  if (isValidEncoderPropertyTuple(season)) {
    seasonEncoder=ScalarEncoder.builder().w((int)season.get(0)).radius((double)season.get(1)).minVal(0).maxVal(366).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(seasonEncoder);
  }
  if (isValidEncoderPropertyTuple(dayOfWeek)) {
    dayOfWeekEncoder=ScalarEncoder.builder().w((int)dayOfWeek.get(0)).radius((double)dayOfWeek.get(1)).minVal(0).maxVal(7).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(dayOfWeekEncoder);
  }
  if (isValidEncoderPropertyTuple(weekend)) {
    weekendEncoder=ScalarEncoder.builder().w((int)weekend.get(0)).radius((double)weekend.get(1)).minVal(0).maxVal(1).periodic(false).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(weekendEncoder);
  }
  if (isValidEncoderPropertyTuple(customDays)) {
    List<String> days=(List<String>)customDays.get(1);
    StringBuilder customDayEncoderName=new StringBuilder();
    if (days.size() == 1) {
      customDayEncoderName.append(days.get(0));
    }
 else {
      for (      String day : days) {
        customDayEncoderName.append(day).append("String_Node_Str");
      }
    }
    customDaysEncoder=ScalarEncoder.builder().w((int)customDays.get(0)).radius(1).minVal(0).maxVal(1).periodic(false).name(customDayEncoderName.toString()).forced(this.isForced()).build();
    addEncoder("String_Node_Str",customDaysEncoder);
    addCustomDays(days);
  }
  if (isValidEncoderPropertyTuple(holiday)) {
    holidayEncoder=ScalarEncoder.builder().w((int)holiday.get(0)).radius((double)holiday.get(1)).minVal(0).maxVal(1).periodic(false).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(holidayEncoder);
  }
  if (isValidEncoderPropertyTuple(timeOfDay)) {
    timeOfDayEncoder=ScalarEncoder.builder().w((int)timeOfDay.get(0)).radius((double)timeOfDay.get(1)).minVal(0).maxVal(24).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(timeOfDayEncoder);
  }
}

Fixed version (ground truth):
/** 
 * Init the   {@code DateEncoder} with parameters
 */
@SuppressWarnings("String_Node_Str") public void init(){
  width=0;
  setForced(true);
  encoders=new LinkedHashMap<>();
  encoders.put(new EncoderTuple("String_Node_Str",this,0),new ArrayList<EncoderTuple>());
  if (isValidEncoderPropertyTuple(season)) {
    seasonEncoder=ScalarEncoder.builder().w((int)season.get(0)).radius((double)season.get(1)).minVal(0).maxVal(366).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(seasonEncoder);
  }
  if (isValidEncoderPropertyTuple(dayOfWeek)) {
    dayOfWeekEncoder=ScalarEncoder.builder().w((int)dayOfWeek.get(0)).radius((double)dayOfWeek.get(1)).minVal(0).maxVal(7).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(dayOfWeekEncoder);
  }
  if (isValidEncoderPropertyTuple(weekend)) {
    weekendEncoder=ScalarEncoder.builder().w((int)weekend.get(0)).radius((double)weekend.get(1)).minVal(0).maxVal(1).periodic(false).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(weekendEncoder);
  }
  if (isValidEncoderPropertyTuple(customDays)) {
    List<String> days=(List<String>)customDays.get(1);
    StringBuilder customDayEncoderName=new StringBuilder();
    if (days.size() == 1) {
      customDayEncoderName.append(days.get(0));
    }
 else {
      for (      String day : days) {
        customDayEncoderName.append(day).append("String_Node_Str");
      }
    }
    customDaysEncoder=ScalarEncoder.builder().w((int)customDays.get(0)).radius(1).minVal(0).maxVal(1).periodic(false).name(customDayEncoderName.toString()).forced(this.isForced()).build();
    addEncoder("String_Node_Str",customDaysEncoder);
    addCustomDays(days);
  }
  if (isValidEncoderPropertyTuple(holiday)) {
    holidayEncoder=ScalarEncoder.builder().w((int)holiday.get(0)).radius((double)holiday.get(1)).minVal(0).maxVal(1).periodic(false).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(holidayEncoder);
  }
  if (isValidEncoderPropertyTuple(timeOfDay)) {
    timeOfDayEncoder=ScalarEncoder.builder().w((int)timeOfDay.get(0)).radius((double)timeOfDay.get(1)).minVal(0).maxVal(24).periodic(true).name("String_Node_Str").forced(this.isForced()).build();
    addChildEncoder(timeOfDayEncoder);
  }
}