anchor.diff:  
       %% Stop tracing infrastructure.
       partisan_trace_orchestrator:stop(),
  +
  +    debug("execute returning: ~p", [Result]),
       
       Result.
   
  
positive.code:     end, Nodes),
  
      %% Run proper.
      Result = proper:check(M:F(), A, []),
      debug("execute result: ~p", [Result]),
  
  
negative.code:                     ClassificationsExplored = ClassificationsExplored0 ++ [Classification],
                      % debug("=> Classification for this test: ~p~n", [Classification]),
  
                      MessageTypes = message_types(FinalTraceLines),
                      debug("=> MessageTypes for this test: ~p~n", [MessageTypes]),
  
                      OmissionTypes = message_types(Omissions),
                      debug("=> OmissionTypes for this test: ~p~n", [OmissionTypes]),
  
                      %% Run the trace.
                      CommandFun = fun() ->
  