Program: 57722
Project: 57722
Buggy source:
public ArrayList<ColumnDescription> getParsingPattern(){
  if (parsingPattern != null && !(parsingPattern.size() == 0))   return parsingPattern;
  if (parsingRules == null)   return null;
  parsingPattern=new ArrayList<ColumnDescription>();
  Collections.sort(parsingRules);
  int numberOfColumns=0;
  try {
    BufferedReader reader=GeneralManager.get().getResourceLoader().getResource(dataSourcePath);
    for (int countHeaderLines=0; countHeaderLines < numberOfHeaderLines; countHeaderLines++) {
      reader.readLine();
    }
    String dataLine=reader.readLine();
    String[] columns=dataLine.split(delimiter);
    numberOfColumns=columns.length;
  }
 catch (  IOException e) {
    Logger.log(new Status(Status.ERROR,"String_Node_Str","String_Node_Str" + dataSourcePath));
    throw new IllegalStateException("String_Node_Str" + dataSourcePath);
  }
  ParsingRule currentParsingRule=null;
  ParsingRule previousParsingRule=null;
  Iterator<ParsingRule> parsingRuleIterator=parsingRules.iterator();
  for (int columnCount=0; columnCount < numberOfColumns; columnCount++) {
    if (currentParsingRule == null) {
      if (parsingRuleIterator.hasNext()) {
        currentParsingRule=parsingRuleIterator.next();
        if (currentParsingRule.getFromColumn() < 0 || currentParsingRule.getToColumn() > numberOfColumns || (currentParsingRule.getToColumn() >= 0 && currentParsingRule.isParseUntilEnd())) {
          throw new IllegalStateException("String_Node_Str" + dataSourcePath + "String_Node_Str"+ currentParsingRule);
        }
        if (previousParsingRule != null) {
          if (previousParsingRule.getToColumn() >= currentParsingRule.getFromColumn()) {
            throw new IllegalStateException("String_Node_Str" + previousParsingRule + "String_Node_Str"+ currentParsingRule);
          }
        }
      }
 else {
        break;
      }
    }
    if (columnCount < currentParsingRule.getFromColumn()) {
      continue;
    }
    if (currentParsingRule.getToColumn() < 0 && !currentParsingRule.isParseUntilEnd()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      previousParsingRule=currentParsingRule;
      currentParsingRule=null;
      continue;
    }
    if (columnCount < currentParsingRule.getToColumn() || currentParsingRule.isParseUntilEnd()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      continue;
    }
    if (columnCount == currentParsingRule.getToColumn()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      previousParsingRule=currentParsingRule;
      currentParsingRule=null;
      continue;
    }
  }
  if (parsingPattern.size() == 0) {
    throw new IllegalStateException("String_Node_Str");
  }
  return parsingPattern;
}

Fixed version (ground truth):
public ArrayList<ColumnDescription> getParsingPattern(){
  if (parsingPattern != null && !(parsingPattern.size() == 0))   return parsingPattern;
  if (parsingRules == null)   return null;
  parsingPattern=new ArrayList<ColumnDescription>();
  Collections.sort(parsingRules);
  int numberOfColumns=0;
  try {
    BufferedReader reader=GeneralManager.get().getResourceLoader().getResource(dataSourcePath);
    for (int countHeaderLines=0; countHeaderLines < numberOfHeaderLines; countHeaderLines++) {
      reader.readLine();
    }
    String dataLine=reader.readLine();
    String[] columns=dataLine.split(delimiter);
    numberOfColumns=columns.length;
  }
 catch (  IOException e) {
    throw new IllegalStateException("String_Node_Str" + dataSourcePath);
  }
  ParsingRule currentParsingRule=null;
  ParsingRule previousParsingRule=null;
  Iterator<ParsingRule> parsingRuleIterator=parsingRules.iterator();
  for (int columnCount=0; columnCount < numberOfColumns; columnCount++) {
    if (currentParsingRule == null) {
      if (parsingRuleIterator.hasNext()) {
        currentParsingRule=parsingRuleIterator.next();
        if (currentParsingRule.getFromColumn() < 0 || currentParsingRule.getToColumn() > numberOfColumns || (currentParsingRule.getToColumn() >= 0 && currentParsingRule.isParseUntilEnd())) {
          throw new IllegalStateException("String_Node_Str" + dataSourcePath + "String_Node_Str"+ currentParsingRule);
        }
        if (previousParsingRule != null) {
          if (previousParsingRule.getToColumn() >= currentParsingRule.getFromColumn()) {
            throw new IllegalStateException("String_Node_Str" + previousParsingRule + "String_Node_Str"+ currentParsingRule);
          }
        }
      }
 else {
        break;
      }
    }
    if (columnCount < currentParsingRule.getFromColumn()) {
      continue;
    }
    if (currentParsingRule.getToColumn() < 0 && !currentParsingRule.isParseUntilEnd()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      previousParsingRule=currentParsingRule;
      currentParsingRule=null;
      continue;
    }
    if (columnCount < currentParsingRule.getToColumn() || currentParsingRule.isParseUntilEnd()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      continue;
    }
    if (columnCount == currentParsingRule.getToColumn()) {
      parsingPattern.add(new ColumnDescription(columnCount,currentParsingRule.getColumnDescripton().getDataType(),currentParsingRule.getColumnDescripton().getColumnType()));
      previousParsingRule=currentParsingRule;
      currentParsingRule=null;
      continue;
    }
  }
  if (parsingPattern.size() == 0) {
    throw new IllegalStateException("String_Node_Str");
  }
  return parsingPattern;
}