anchor.diff:  
   gen_rand_ip() ->
       Tuple = [integer_to_list(X) ||
  -		 X <- [random:uniform(255), random:uniform(255),
  -		       random:uniform(255), random:uniform(255)]],
  +		X <- [random:uniform(255), random:uniform(255),
  +		      random:uniform(255), random:uniform(255)]],
       string:join(Tuple, ".").
   
   
  
positive.code:     Paths = generate_paths(random:uniform(N)),
      generate_visits(N, Paths, []).
  
  
  validate_meta(TotalSize, ObjCount, RangeStart, RangeEnd, MaxOffset, Meta) ->
      TotalSize = proplists:get_value(<<"totalCollectionSize">>, Meta),
  
negative.code:     Targets = generate_targets(random:uniform(N)),
      generate_paths(N, Targets, []).
  
  generate_paths(N, Target) when is_record(Target, target) ->
      generate_paths(N, [Target], []).
  
  generate_targets(N) ->
      generate_targets(N, []).
  