anchor.diff:              print_streams([S || S = {T, _} <- Streams, T =/= race], Output),
               to_file(Output, "Event trace:~n", []),
               concuerror_io_lib:pretty(Output, TraceInfo, PrintDepth),
  -            print_streams([S || S = {T, _} <- Streams, T =:= race], Output),
               ErrorString =
                 case proplists:get_value(fatal, Warnings) of
                   true -> " (Concuerror crashed)";
  
positive.code:       print_depth_tip(),
        Msg =
          io_lib:format(
            "* ~s~n  ~s~n~n",
            [concuerror_io_lib:pretty_s(E, PrintDepth)
             || E <- [EarlyEvent,Event]]),
        loop({print, race, Msg}, State);
  
negative.code:         graph_command({status, TracesExplored, GraphFinal, GraphColor}, State),
        NewState =
          State#logger_state{
            last_had_errors = NewErrors =/= Errors,
            streams = [],
            traces_explored = TracesExplored + 1,
            traces_ssb = NewSSB,
  