Program: 10410
Project: 10410
Buggy source:
private void compare_as_strings(){
  outcome=false;
  String comparable=(String)this.comparable;
  String comparedto=(String)this.comparedto;
  if (comparable == null || comparedto == null)   return;
switch (operator) {
case IS_EMPTY:
    outcome=comparable.length() == 0;
  break;
case EQUALS:
outcome=comparable.equalsIgnoreCase(comparedto);
break;
case CONTAINS:
outcome=comparable.toLowerCase().contains(comparedto.toLowerCase());
break;
case OR_MORE:
outcome=comparable.length() >= comparedto.length();
break;
case OR_LESS:
outcome=comparable.length() <= comparedto.length();
break;
case MORE:
outcome=comparable.length() > comparedto.length();
break;
case LESS:
outcome=comparable.length() < comparedto.length();
break;
case MATCHES:
comparedto=comparedto.replace("String_Node_Str","String_Node_Str");
if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dLocation.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dEntity.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dEntity.matches(comparable) && dEntity.valueOf(comparable).isSpawned());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesEntityType(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dNPC.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dPlayer.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dPlayer.matches(comparable) && !dPlayer.valueOf(comparable).isOnline());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dPlayer.matches(comparable) && dPlayer.valueOf(comparable).isOnline());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dItem.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=true;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=Duration.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesDouble(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 0;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 1;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(comparable.equalsIgnoreCase("String_Node_Str") || comparable.equalsIgnoreCase("String_Node_Str"));
break;
}
}

Fixed version (ground truth):
private void compare_as_strings(){
  outcome=false;
  String comparable=String.valueOf(this.comparable);
  String comparedto=String.valueOf(this.comparedto);
  if (comparable == null || comparedto == null)   return;
switch (operator) {
case IS_EMPTY:
    outcome=comparable.length() == 0;
  break;
case EQUALS:
outcome=comparable.equalsIgnoreCase(comparedto);
break;
case CONTAINS:
outcome=comparable.toLowerCase().contains(comparedto.toLowerCase());
break;
case OR_MORE:
outcome=comparable.length() >= comparedto.length();
break;
case OR_LESS:
outcome=comparable.length() <= comparedto.length();
break;
case MORE:
outcome=comparable.length() > comparedto.length();
break;
case LESS:
outcome=comparable.length() < comparedto.length();
break;
case MATCHES:
comparedto=comparedto.replace("String_Node_Str","String_Node_Str");
if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dLocation.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dEntity.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dEntity.matches(comparable) && dEntity.valueOf(comparable).isSpawned());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesEntityType(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dNPC.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dPlayer.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dPlayer.matches(comparable) && !dPlayer.valueOf(comparable).isOnline());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(dPlayer.matches(comparable) && dPlayer.valueOf(comparable).isOnline());
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=dItem.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=true;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=Duration.matches(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesDouble(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable);
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 0;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=aH.matchesInteger(comparable) && (aH.getIntegerFrom(comparable) % 2) == 1;
 else if (comparedto.equalsIgnoreCase("String_Node_Str")) outcome=(comparable.equalsIgnoreCase("String_Node_Str") || comparable.equalsIgnoreCase("String_Node_Str"));
break;
}
}