Program: 172807
Project: 172807
Buggy source:
public IColumnAnalizeResult analize() throws IOException {
  boolean maybeSorted=true;
  String currentSortCheckValue="String_Node_Str";
  int nullCount=0;
  int rowCount=0;
  int totalLogicalDataSize=0;
  int totalUtf8ByteSize=0;
  int uniqLogicalDataSize=0;
  int uniqUtf8ByteSize=0;
  int minCharLength=Integer.MAX_VALUE;
  int maxCharLength=0;
  int minUtfBytes=Integer.MAX_VALUE;
  int maxUtfBytes=0;
  Set<String> dicSet=new HashSet<String>();
  String min="String_Node_Str";
  String max="String_Node_Str";
  for (int i=0; i < column.size(); i++) {
    ICell cell=column.get(i);
    if (cell.getType() == ColumnType.NULL) {
      nullCount++;
      continue;
    }
    String target=((PrimitiveCell)cell).getRow().getString();
    if (maybeSorted && 0 <= currentSortCheckValue.compareTo(target)) {
      currentSortCheckValue=target;
    }
 else {
      maybeSorted=false;
    }
    byte[] stringBytes=target.getBytes("String_Node_Str");
    rowCount++;
    int charLength=target.length() * PrimitiveByteLength.CHAR_LENGTH;
    totalLogicalDataSize+=charLength;
    totalUtf8ByteSize=stringBytes.length;
    if (!dicSet.contains(target)) {
      uniqLogicalDataSize+=charLength;
      uniqUtf8ByteSize=stringBytes.length;
      dicSet.add(target);
      if (min.isEmpty() || 0 < min.compareTo(target)) {
        min=String.valueOf(target);
      }
      if (max.compareTo(target) < 0) {
        max=String.valueOf(target);
      }
      if (charLength < minCharLength) {
        minUtfBytes=charLength;
      }
      if (maxCharLength < charLength) {
        maxUtfBytes=charLength;
      }
      if (stringBytes.length < minUtfBytes) {
        minUtfBytes=stringBytes.length;
      }
      if (maxUtfBytes < stringBytes.length) {
        maxUtfBytes=stringBytes.length;
      }
    }
  }
  int uniqCount=dicSet.size();
  return new StringColumnAnalizeResult(column.getColumnName(),column.size(),maybeSorted,nullCount,rowCount,uniqCount,totalLogicalDataSize,totalUtf8ByteSize,uniqLogicalDataSize,uniqUtf8ByteSize,minCharLength,maxCharLength,minUtfBytes,maxUtfBytes,min,max);
}

Fixed version (ground truth):
public IColumnAnalizeResult analize() throws IOException {
  boolean maybeSorted=true;
  String currentSortCheckValue="String_Node_Str";
  int nullCount=0;
  int rowCount=0;
  int totalLogicalDataSize=0;
  int totalUtf8ByteSize=0;
  int uniqLogicalDataSize=0;
  int uniqUtf8ByteSize=0;
  int minCharLength=Integer.MAX_VALUE;
  int maxCharLength=0;
  int minUtfBytes=Integer.MAX_VALUE;
  int maxUtfBytes=0;
  Set<String> dicSet=new HashSet<String>();
  String min="String_Node_Str";
  String max="String_Node_Str";
  for (int i=0; i < column.size(); i++) {
    ICell cell=column.get(i);
    if (cell.getType() == ColumnType.NULL) {
      nullCount++;
      continue;
    }
    String target=((PrimitiveCell)cell).getRow().getString();
    if (maybeSorted && currentSortCheckValue.compareTo(target) <= 0) {
      currentSortCheckValue=target;
    }
 else {
      maybeSorted=false;
    }
    byte[] stringBytes=target.getBytes("String_Node_Str");
    rowCount++;
    int charLength=target.length() * PrimitiveByteLength.CHAR_LENGTH;
    totalLogicalDataSize+=charLength;
    totalUtf8ByteSize=stringBytes.length;
    if (!dicSet.contains(target)) {
      uniqLogicalDataSize+=charLength;
      uniqUtf8ByteSize=stringBytes.length;
      dicSet.add(target);
      if (min.isEmpty() || 0 < min.compareTo(target)) {
        min=String.valueOf(target);
      }
      if (max.compareTo(target) < 0) {
        max=String.valueOf(target);
      }
      if (charLength < minCharLength) {
        minUtfBytes=charLength;
      }
      if (maxCharLength < charLength) {
        maxUtfBytes=charLength;
      }
      if (stringBytes.length < minUtfBytes) {
        minUtfBytes=stringBytes.length;
      }
      if (maxUtfBytes < stringBytes.length) {
        maxUtfBytes=stringBytes.length;
      }
    }
  }
  int uniqCount=dicSet.size();
  return new StringColumnAnalizeResult(column.getColumnName(),column.size(),maybeSorted,nullCount,rowCount,uniqCount,totalLogicalDataSize,totalUtf8ByteSize,uniqLogicalDataSize,uniqUtf8ByteSize,minCharLength,maxCharLength,minUtfBytes,maxUtfBytes,min,max);
}