MAYBE
Time: 0.036567
TRS:
 {                  app(app(app(app(filter2(), true()), fun), x), xs) -> app(app(cons(), x), app(app(filter(), fun), xs)),
                   app(app(app(app(filter2(), false()), fun), x), xs) -> app(app(filter(), fun), xs),
                             app(app(app(copy(), app(s(), x)), y), z) -> app(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)),
                                     app(app(app(copy(), 0()), y), z) -> app(f(), z),
                        app(app(map(), fun), app(app(cons(), x), xs)) -> app(app(cons(), app(fun, x)), app(app(map(), fun), xs)),
                                          app(app(map(), fun), nil()) -> nil(),
                     app(app(filter(), fun), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(fun, x)), fun), x), xs),
                                       app(app(filter(), fun), nil()) -> nil(),
  app(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app(app(app(copy(), n()), y), z),
                                 app(f(), app(app(cons(), nil()), y)) -> y}
 DP:
  DP:
   {                  app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(cons(), x), app(app(filter(), fun), xs)),
                      app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs),
                      app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(cons(), x),
                      app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(filter(), fun),
                     app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs),
                     app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(filter(), fun),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(cons(), app(f(), y)), z),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(copy(), x), y),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(cons(), app(f(), y)),
                               app#(app(app(copy(), app(s(), x)), y), z) -> app#(copy(), x),
                                       app#(app(app(copy(), 0()), y), z) -> app#(f(), z),
                          app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
                          app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(cons(), app(fun, x)), app(app(map(), fun), xs)),
                          app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs),
                          app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(cons(), app(fun, x)),
                       app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
                       app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs),
                       app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(fun, x)), fun), x),
                       app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(filter2(), app(fun, x)), fun),
                       app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(filter2(), app(fun, x)),
    app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(app(copy(), n()), y), z),
    app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(copy(), n()), y),
    app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(copy(), n())}
  TRS:
  {                  app(app(app(app(filter2(), true()), fun), x), xs) -> app(app(cons(), x), app(app(filter(), fun), xs)),
                    app(app(app(app(filter2(), false()), fun), x), xs) -> app(app(filter(), fun), xs),
                              app(app(app(copy(), app(s(), x)), y), z) -> app(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)),
                                      app(app(app(copy(), 0()), y), z) -> app(f(), z),
                         app(app(map(), fun), app(app(cons(), x), xs)) -> app(app(cons(), app(fun, x)), app(app(map(), fun), xs)),
                                           app(app(map(), fun), nil()) -> nil(),
                      app(app(filter(), fun), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(fun, x)), fun), x), xs),
                                        app(app(filter(), fun), nil()) -> nil(),
   app(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app(app(app(copy(), n()), y), z),
                                  app(f(), app(app(cons(), nil()), y)) -> y}
  EDG:
   {
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(copy(), n()))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(copy(), n()), y))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(app(copy(), n()), y), z))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(copy(), n()))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(copy(), n()), y))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(app(copy(), n()), y), z))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(filter2(), app(fun, x)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(filter2(), app(fun, x)), fun))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(fun, x)), fun), x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(cons(), app(fun, x)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(cons(), app(fun, x)), app(app(map(), fun), xs)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), 0()), y), z) -> app#(f(), z))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(copy(), x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(cons(), app(f(), y)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(copy(), x), y))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(cons(), app(f(), y)), z))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(cons(), x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(cons(), x), app(app(filter(), fun), xs)))
    (app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(filter2(), app(fun, x)))
    (app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(filter2(), app(fun, x)), fun))
    (app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(fun, x)), fun), x))
    (app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs))
    (app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(cons(), app(fun, x)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(cons(), app(fun, x)), app(app(map(), fun), xs)))
    (app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(app(copy(), 0()), y), z) -> app#(f(), z), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(copy(), n()))
    (app#(app(app(copy(), 0()), y), z) -> app#(f(), z), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(copy(), n()), y))
    (app#(app(app(copy(), 0()), y), z) -> app#(f(), z), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(app(copy(), n()), y), z))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(cons(), x), app(app(filter(), fun), xs)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(cons(), x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs))
    (app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(fun, x)), fun), x))
    (app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(filter2(), app(fun, x)), fun))
    (app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(filter2(), app(fun, x)))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(cons(), app(f(), y)), z))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(copy(), x), y))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(cons(), app(f(), y)))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), app(s(), x)), y), z) -> app#(copy(), x))
    (app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)), app#(app(app(copy(), 0()), y), z) -> app#(f(), z))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(cons(), x), app(app(filter(), fun), xs)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(cons(), x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(filter(), fun))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(cons(), app(f(), y)), z))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(copy(), x), y))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(f(), y))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(cons(), app(f(), y)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), app(s(), x)), y), z) -> app#(copy(), x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(app(copy(), 0()), y), z) -> app#(f(), z))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(cons(), app(fun, x)), app(app(map(), fun), xs)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(cons(), app(fun, x)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(filter2(), app(fun, x)), fun), x))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(filter2(), app(fun, x)), fun))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(filter2(), app(fun, x)))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(app(copy(), n()), y), z))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(app(copy(), n()), y))
    (app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x), app#(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app#(copy(), n()))
   }
   STATUS:
    arrows: 0.867200
    SCCS (2):
     Scc:
      { app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs),
       app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs),
            app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
            app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs),
         app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
         app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs)}
     Scc:
      {app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z))}
     
     SCC (6):
      Strict:
       { app#(app(app(app(filter2(), true()), fun), x), xs) -> app#(app(filter(), fun), xs),
        app#(app(app(app(filter2(), false()), fun), x), xs) -> app#(app(filter(), fun), xs),
             app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
             app#(app(map(), fun), app(app(cons(), x), xs)) -> app#(app(map(), fun), xs),
          app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(fun, x),
          app#(app(filter(), fun), app(app(cons(), x), xs)) -> app#(app(app(app(filter2(), app(fun, x)), fun), x), xs)}
      Weak:
      {                  app(app(app(app(filter2(), true()), fun), x), xs) -> app(app(cons(), x), app(app(filter(), fun), xs)),
                        app(app(app(app(filter2(), false()), fun), x), xs) -> app(app(filter(), fun), xs),
                                  app(app(app(copy(), app(s(), x)), y), z) -> app(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)),
                                          app(app(app(copy(), 0()), y), z) -> app(f(), z),
                             app(app(map(), fun), app(app(cons(), x), xs)) -> app(app(cons(), app(fun, x)), app(app(map(), fun), xs)),
                                               app(app(map(), fun), nil()) -> nil(),
                          app(app(filter(), fun), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(fun, x)), fun), x), xs),
                                            app(app(filter(), fun), nil()) -> nil(),
       app(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app(app(app(copy(), n()), y), z),
                                      app(f(), app(app(cons(), nil()), y)) -> y}
      Open
     
     
     SCC (1):
      Strict:
       {app#(app(app(copy(), app(s(), x)), y), z) -> app#(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z))}
      Weak:
      {                  app(app(app(app(filter2(), true()), fun), x), xs) -> app(app(cons(), x), app(app(filter(), fun), xs)),
                        app(app(app(app(filter2(), false()), fun), x), xs) -> app(app(filter(), fun), xs),
                                  app(app(app(copy(), app(s(), x)), y), z) -> app(app(app(copy(), x), y), app(app(cons(), app(f(), y)), z)),
                                          app(app(app(copy(), 0()), y), z) -> app(f(), z),
                             app(app(map(), fun), app(app(cons(), x), xs)) -> app(app(cons(), app(fun, x)), app(app(map(), fun), xs)),
                                               app(app(map(), fun), nil()) -> nil(),
                          app(app(filter(), fun), app(app(cons(), x), xs)) -> app(app(app(app(filter2(), app(fun, x)), fun), x), xs),
                                            app(app(filter(), fun), nil()) -> nil(),
       app(f(), app(app(cons(), app(f(), app(app(cons(), nil()), y))), z)) -> app(app(app(copy(), n()), y), z),
                                      app(f(), app(app(cons(), nil()), y)) -> y}
      Open