Input TRS:
    1: +(p1(),p1()) -> p2()
    2: +(p1(),+(p2(),p2())) -> p5()
    3: +(p5(),p5()) -> p10()
    4: +(+(x,y),z) -> +(x,+(y,z))
    5: +(p1(),+(p1(),x)) -> +(p2(),x)
    6: +(p1(),+(p2(),+(p2(),x))) -> +(p5(),x)
    7: +(p2(),p1()) -> +(p1(),p2())
    8: +(p2(),+(p1(),x)) -> +(p1(),+(p2(),x))
    9: +(p2(),+(p2(),p2())) -> +(p1(),p5())
    10: +(p2(),+(p2(),+(p2(),x))) -> +(p1(),+(p5(),x))
    11: +(p5(),p1()) -> +(p1(),p5())
    12: +(p5(),+(p1(),x)) -> +(p1(),+(p5(),x))
    13: +(p5(),p2()) -> +(p2(),p5())
    14: +(p5(),+(p2(),x)) -> +(p2(),+(p5(),x))
    15: +(p5(),+(p5(),x)) -> +(p10(),x)
    16: +(p10(),p1()) -> +(p1(),p10())
    17: +(p10(),+(p1(),x)) -> +(p1(),+(p10(),x))
    18: +(p10(),p2()) -> +(p2(),p10())
    19: +(p10(),+(p2(),x)) -> +(p2(),+(p10(),x))
    20: +(p10(),p5()) -> +(p5(),p10())
    21: +(p10(),+(p5(),x)) -> +(p5(),+(p10(),x))
Number of Rules: 21
Direct POLO(Sum) ... failed.