Program: 167086
Project: 167086
Buggy source:
/** 
 * Construct a sql statement for one original path to a leaf node. As the path contains the same label more than once it has been split into a List of Stacks.
 * @param subQueryLinkedLists
 * @return
 */
private static String constructDuplicatePathSql(SqlgGraph sqlgGraph,List<LinkedList<SchemaTableTree>> subQueryLinkedLists){
  String singlePathSql="String_Node_Str";
  int count=1;
  SchemaTableTree lastOfPrevious=null;
  for (  LinkedList<SchemaTableTree> subQueryLinkedList : subQueryLinkedLists) {
    SchemaTableTree firstOfNext=null;
    boolean last=count == subQueryLinkedLists.size();
    if (!last) {
      LinkedList<SchemaTableTree> nextList=subQueryLinkedLists.get(count);
      firstOfNext=nextList.getFirst();
    }
    SchemaTableTree firstSchemaTableTree=subQueryLinkedList.getFirst();
    String sql=constructSinglePathSql(sqlgGraph,true,subQueryLinkedList,lastOfPrevious,firstOfNext);
    singlePathSql+=sql;
    if (count == 1) {
      singlePathSql+="String_Node_Str" + count++ + "String_Node_Str";
    }
 else {
      singlePathSql+="String_Node_Str" + count + "String_Node_Str";
      singlePathSql+=constructSectionedJoin(lastOfPrevious,firstSchemaTableTree,count);
      if (count++ < subQueryLinkedLists.size()) {
        singlePathSql+="String_Node_Str";
      }
    }
    lastOfPrevious=subQueryLinkedList.getLast();
  }
  String result="String_Node_Str" + constructOuterFromClause(sqlgGraph,subQueryLinkedLists);
  singlePathSql+=constructOuterOrderByClause(sqlgGraph,subQueryLinkedLists);
  return result + singlePathSql;
}

Fixed version (ground truth):
/** 
 * Construct a sql statement for one original path to a leaf node. As the path contains the same label more than once it has been split into a List of Stacks.
 * @param subQueryLinkedLists
 * @return
 */
private static String constructDuplicatePathSql(SqlgGraph sqlgGraph,List<LinkedList<SchemaTableTree>> subQueryLinkedLists){
  String singlePathSql="String_Node_Str";
  int count=1;
  SchemaTableTree lastOfPrevious=null;
  for (  LinkedList<SchemaTableTree> subQueryLinkedList : subQueryLinkedLists) {
    SchemaTableTree firstOfNext=null;
    boolean last=count == subQueryLinkedLists.size();
    if (!last) {
      LinkedList<SchemaTableTree> nextList=subQueryLinkedLists.get(count);
      firstOfNext=nextList.getFirst();
    }
    SchemaTableTree firstSchemaTableTree=subQueryLinkedList.getFirst();
    String sql=constructSinglePathSql(sqlgGraph,true,subQueryLinkedList,lastOfPrevious,firstOfNext);
    singlePathSql+=sql;
    if (count == 1) {
      singlePathSql+="String_Node_Str" + count++ + "String_Node_Str";
    }
 else {
      singlePathSql+="String_Node_Str" + count + "String_Node_Str";
      singlePathSql+=constructSectionedJoin(lastOfPrevious,firstSchemaTableTree,count);
      if (count++ < subQueryLinkedLists.size()) {
        singlePathSql+="String_Node_Str";
      }
    }
    lastOfPrevious=subQueryLinkedList.getLast();
  }
  singlePathSql+=constructOuterOrderByClause(sqlgGraph,subQueryLinkedLists);
  String result="String_Node_Str" + constructOuterFromClause(sqlgGraph,subQueryLinkedLists);
  return result + singlePathSql;
}