anchor.diff:                                 nodes = Nodes}}
       end;
   first_fun(_) ->
  +    error_logger:warning_msg("~p,~p,~p,~p~n",
  +                             [{module, ?MODULE_STRING}, {function, "first_fun/1"},
  +                              {line, ?LINE}, {body, "not_found"}]),
       not_found.
   
   
  
positive.code: -spec(first_fun(list(#ring_group{})) ->
               not_found | {ok, #redundancies{}}).
  first_fun([]) ->
      not_found;
  first_fun([#ring_group{vnodeid_nodes_list = AddrId_Nodes_List}|_]) ->
      case AddrId_Nodes_List of
          [] ->
              not_found;
          [#vnodeid_nodes{vnode_id_from = From,
                          vnode_id_to   = To,
  
negative.code: 
  
  find_redundancies_by_addr_id_1([],_AddrId) ->
      error_logger:warning_msg("~p,~p,~p,~p~n",
                               [{module, ?MODULE_STRING},
                                {function, "find_redundancies_by_addr_id_1/2"},
                                {line, ?LINE}, {body, "not_found"}]),
      not_found;
  find_redundancies_by_addr_id_1(
    [#vnodeid_nodes{vnode_id_from = From,
  