MAYBE
(ignored inputs)COMMENT full experiments for [35] submitted by: Takahito Aoto and Yoshihito Toyama
Rewrite Rules:
   [ +(0,?y) -> ?y,
     +(?x,0) -> ?x,
     +(s(?x),?y) -> s(+(?y,?x)),
     +(?x,s(?y)) -> s(+(?y,?x)),
     +(?x,+(?y,?z)) -> +(+(?x,?y),?z),
     +(?x,?y) -> +(?y,?x) ]
Apply Direct Methods...
Inner CPs:
   [ +(?x_4,?y) = +(+(?x_4,0),?y),
     +(?x_4,?x_1) = +(+(?x_4,?x_1),0),
     +(?x_4,s(+(?y_2,?x_2))) = +(+(?x_4,s(?x_2)),?y_2),
     +(?x_4,s(+(?y_3,?x_3))) = +(+(?x_4,?x_3),s(?y_3)),
     +(?x_4,+(?y_5,?x_5)) = +(+(?x_4,?x_5),?y_5),
     +(?x_1,+(+(?x,?y),?z)) = +(+(?x_1,?x),+(?y,?z)) ]
Outer CPs:
   [ 0 = 0,
     s(?y_3) = s(+(?y_3,0)),
     +(?y_4,?z_4) = +(+(0,?y_4),?z_4),
     ?y = +(?y,0),
     s(?x_2) = s(+(0,?x_2)),
     ?x_1 = +(0,?x_1),
     s(+(s(?y_3),?x_2)) = s(+(?y_3,s(?x_2))),
     s(+(+(?y_4,?z_4),?x_2)) = +(+(s(?x_2),?y_4),?z_4),
     s(+(?y_2,?x_2)) = +(?y_2,s(?x_2)),
     s(+(?y_3,?x_3)) = +(s(?y_3),?x_3),
     +(+(?x_4,?y_4),?z_4) = +(+(?y_4,?z_4),?x_4) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
191.trs: Failure(unknown CR)
(0 msec.)