MAYBE
(ignored inputs)COMMENT full experiments for [35] submitted by: Takahito Aoto and Yoshihito Toyama
Rewrite Rules:
   [ +(?x,0) -> ?x,
     +(?x,s(?y)) -> s(+(?x,?y)),
     +(?x,+(?y,?z)) -> +(+(?x,?y),?z),
     +(+(?x,?y),?z) -> +(?x,+(?y,?z)) ]
Apply Direct Methods...
Inner CPs:
   [ +(?x_2,?x) = +(+(?x_2,?x),0),
     +(?x_2,s(+(?x_1,?y_1))) = +(+(?x_2,?x_1),s(?y_1)),
     +(?x_2,+(?x_3,+(?y_3,?z_3))) = +(+(?x_2,+(?x_3,?y_3)),?z_3),
     +(?x,?z_3) = +(?x,+(0,?z_3)),
     +(s(+(?x_1,?y_1)),?z_3) = +(?x_1,+(s(?y_1),?z_3)),
     +(+(+(?x_2,?y_2),?z_2),?z_3) = +(?x_2,+(+(?y_2,?z_2),?z_3)),
     +(?x_1,+(+(?x,?y),?z)) = +(+(?x_1,?x),+(?y,?z)),
     +(+(?x,+(?y,?z)),?z_1) = +(+(?x,?y),+(?z,?z_1)) ]
Outer CPs:
   [ +(?x_3,?y_3) = +(?x_3,+(?y_3,0)),
     s(+(+(?x_3,?y_3),?y_1)) = +(?x_3,+(?y_3,s(?y_1))),
     +(+(+(?x_3,?y_3),?y_2),?z_2) = +(?x_3,+(?y_3,+(?y_2,?z_2))) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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