Time: 5.195948
TRS:
 { Cond_eval_7(true(), x, y1, y2, z) -> eval_9(x, y1, y2, z),
                  or(true(), true()) -> true(),
                 or(true(), false()) -> true(),
                 or(false(), true()) -> true(),
                or(false(), false()) -> false(),
          lesseq_int(pos x, neg s y) -> false(),
        lesseq_int(pos s x, pos s y) -> lesseq_int(pos x, pos y),
        lesseq_int(pos s x, pos 0()) -> false(),
          lesseq_int(pos s x, neg y) -> false(),
          lesseq_int(pos 0(), pos y) -> true(),
        lesseq_int(pos 0(), neg 0()) -> true(),
            lesseq_int(neg x, pos y) -> true(),
          lesseq_int(neg x, neg 0()) -> true(),
        lesseq_int(neg s x, neg s y) -> lesseq_int(neg x, neg y),
        lesseq_int(neg 0(), neg s y) -> false(),
                          not true() -> false(),
                         not false() -> true(),
         equal_int(pos s x, pos s y) -> equal_int(pos x, pos y),
         equal_int(pos s x, pos 0()) -> false(),
         equal_int(pos s x, neg s y) -> false(),
         equal_int(pos s x, neg 0()) -> false(),
         equal_int(pos 0(), pos s y) -> false(),
         equal_int(pos 0(), pos 0()) -> true(),
         equal_int(pos 0(), neg s y) -> false(),
         equal_int(pos 0(), neg 0()) -> true(),
         equal_int(neg s x, pos s y) -> false(),
         equal_int(neg s x, pos 0()) -> false(),
         equal_int(neg s x, neg s y) -> equal_int(neg x, neg y),
         equal_int(neg s x, neg 0()) -> false(),
         equal_int(neg 0(), pos s y) -> false(),
         equal_int(neg 0(), pos 0()) -> true(),
         equal_int(neg 0(), neg s y) -> false(),
         equal_int(neg 0(), neg 0()) -> true(),
                eval_7(x, y1, y2, z) -> Cond_eval_7(or(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), not equal_int(y2, pos s 0())), x, y1, y2, z),
                eval_7(x, y1, y2, z) -> Cond_eval_71(and(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), equal_int(y2, pos s 0())), x, y1, y2, z),
                eval_5(x, y1, y2, z) -> Cond_eval_5(greater_int(y2, pos s 0()), x, y1, y2, z),
             minus_int(pos x, pos y) -> minus_nat(x, y),
             minus_int(pos x, neg y) -> pos plus_nat(x, y),
             minus_int(neg x, pos y) -> neg plus_nat(x, y),
             minus_int(neg x, neg y) -> minus_nat(y, x),
  Cond_eval_71(true(), x, y1, y2, z) -> eval_5(x, y1, y2, minus_int(y1, pos s s s s s s s s s s 0())),
                 and(true(), true()) -> true(),
                and(true(), false()) -> false(),
                and(false(), true()) -> false(),
               and(false(), false()) -> false(),
       greater_int(pos s x, pos s y) -> greater_int(pos x, pos y),
       greater_int(pos s x, pos 0()) -> true(),
       greater_int(pos s x, neg s y) -> true(),
       greater_int(pos s x, neg 0()) -> true(),
       greater_int(pos 0(), pos s y) -> false(),
       greater_int(pos 0(), pos 0()) -> false(),
       greater_int(pos 0(), neg s y) -> true(),
       greater_int(pos 0(), neg 0()) -> false(),
       greater_int(neg s x, pos s y) -> false(),
       greater_int(neg s x, pos 0()) -> false(),
       greater_int(neg s x, neg s y) -> greater_int(neg x, neg y),
       greater_int(neg s x, neg 0()) -> false(),
       greater_int(neg 0(), pos s y) -> false(),
       greater_int(neg 0(), pos 0()) -> false(),
       greater_int(neg 0(), neg s y) -> true(),
       greater_int(neg 0(), neg 0()) -> false(),
  Cond_eval_31(true(), x, y1, y2, z) -> eval_5(x, y1, y2, z),
              plus_int(pos x, pos y) -> pos plus_nat(x, y),
              plus_int(pos x, neg y) -> minus_nat(x, y),
              plus_int(neg x, pos y) -> minus_nat(y, x),
              plus_int(neg x, neg y) -> neg plus_nat(x, y),
               eval_11(x, y1, y2, z) -> eval_5(x, plus_int(pos s s s s s s s s s s s 0(), y1), plus_int(pos s 0(), y2), z),
  Cond_eval_11(true(), x, y1, y2, z) -> eval_3(x, y1, y2, z),
                eval_1(x, y1, y2, z) -> Cond_eval_11(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                eval_1(x, y1, y2, z) -> Cond_eval_1(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                eval_3(x, y1, y2, z) -> Cond_eval_31(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                eval_3(x, y1, y2, z) -> Cond_eval_3(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
   Cond_eval_9(true(), x, y1, y2, z) -> eval_11(x, y1, y2, z),
  Cond_eval_91(true(), x, y1, y2, z) -> eval_11(x, minus_int(y1, pos s s s s s s s s s s 0()), minus_int(y2, pos s 0()), z),
   Cond_eval_1(true(), x, y1, y2, z) -> eval_2(x, y1, y2, minus_int(y1, pos s s s s s s s s s s 0())),
                eval_9(x, y1, y2, z) -> Cond_eval_9(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                eval_9(x, y1, y2, z) -> Cond_eval_91(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
   Cond_eval_5(true(), x, y1, y2, z) -> eval_7(x, minus_int(y1, pos s s s s s s s s s s 0()), minus_int(y2, pos s 0()), z),
                eval_0(x, y1, y2, z) -> eval_1(x, x, pos s 0(), z),
   Cond_eval_3(true(), x, y1, y2, z) -> eval_3(x, plus_int(pos s s s s s s s s s s s 0(), y1), plus_int(pos s 0(), y2), z),
                 minus_nat(s x, s y) -> minus_nat(x, y),
                 minus_nat(s x, 0()) -> pos s x,
                 minus_nat(0(), s y) -> neg s y,
                 minus_nat(0(), 0()) -> pos 0(),
                    plus_nat(s x, y) -> s plus_nat(x, y),
                    plus_nat(0(), x) -> x}
 SRS: We consider a TRS.
  Trs:
   { Cond_eval_7(true(), x, y1, y2, z) -> eval_9(x, y1, y2, z),
                    or(true(), true()) -> true(),
                   or(true(), false()) -> true(),
                   or(false(), true()) -> true(),
                  or(false(), false()) -> false(),
            lesseq_int(pos x, neg s y) -> false(),
          lesseq_int(pos s x, pos s y) -> lesseq_int(pos x, pos y),
          lesseq_int(pos s x, pos 0()) -> false(),
            lesseq_int(pos s x, neg y) -> false(),
            lesseq_int(pos 0(), pos y) -> true(),
          lesseq_int(pos 0(), neg 0()) -> true(),
              lesseq_int(neg x, pos y) -> true(),
            lesseq_int(neg x, neg 0()) -> true(),
          lesseq_int(neg s x, neg s y) -> lesseq_int(neg x, neg y),
          lesseq_int(neg 0(), neg s y) -> false(),
                            not true() -> false(),
                           not false() -> true(),
           equal_int(pos s x, pos s y) -> equal_int(pos x, pos y),
           equal_int(pos s x, pos 0()) -> false(),
           equal_int(pos s x, neg s y) -> false(),
           equal_int(pos s x, neg 0()) -> false(),
           equal_int(pos 0(), pos s y) -> false(),
           equal_int(pos 0(), pos 0()) -> true(),
           equal_int(pos 0(), neg s y) -> false(),
           equal_int(pos 0(), neg 0()) -> true(),
           equal_int(neg s x, pos s y) -> false(),
           equal_int(neg s x, pos 0()) -> false(),
           equal_int(neg s x, neg s y) -> equal_int(neg x, neg y),
           equal_int(neg s x, neg 0()) -> false(),
           equal_int(neg 0(), pos s y) -> false(),
           equal_int(neg 0(), pos 0()) -> true(),
           equal_int(neg 0(), neg s y) -> false(),
           equal_int(neg 0(), neg 0()) -> true(),
                  eval_7(x, y1, y2, z) -> Cond_eval_7(or(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), not equal_int(y2, pos s 0())), x, y1, y2, z),
                  eval_7(x, y1, y2, z) -> Cond_eval_71(and(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), equal_int(y2, pos s 0())), x, y1, y2, z),
                  eval_5(x, y1, y2, z) -> Cond_eval_5(greater_int(y2, pos s 0()), x, y1, y2, z),
               minus_int(pos x, pos y) -> minus_nat(x, y),
               minus_int(pos x, neg y) -> pos plus_nat(x, y),
               minus_int(neg x, pos y) -> neg plus_nat(x, y),
               minus_int(neg x, neg y) -> minus_nat(y, x),
    Cond_eval_71(true(), x, y1, y2, z) -> eval_5(x, y1, y2, minus_int(y1, pos s s s s s s s s s s 0())),
                   and(true(), true()) -> true(),
                  and(true(), false()) -> false(),
                  and(false(), true()) -> false(),
                 and(false(), false()) -> false(),
         greater_int(pos s x, pos s y) -> greater_int(pos x, pos y),
         greater_int(pos s x, pos 0()) -> true(),
         greater_int(pos s x, neg s y) -> true(),
         greater_int(pos s x, neg 0()) -> true(),
         greater_int(pos 0(), pos s y) -> false(),
         greater_int(pos 0(), pos 0()) -> false(),
         greater_int(pos 0(), neg s y) -> true(),
         greater_int(pos 0(), neg 0()) -> false(),
         greater_int(neg s x, pos s y) -> false(),
         greater_int(neg s x, pos 0()) -> false(),
         greater_int(neg s x, neg s y) -> greater_int(neg x, neg y),
         greater_int(neg s x, neg 0()) -> false(),
         greater_int(neg 0(), pos s y) -> false(),
         greater_int(neg 0(), pos 0()) -> false(),
         greater_int(neg 0(), neg s y) -> true(),
         greater_int(neg 0(), neg 0()) -> false(),
    Cond_eval_31(true(), x, y1, y2, z) -> eval_5(x, y1, y2, z),
                plus_int(pos x, pos y) -> pos plus_nat(x, y),
                plus_int(pos x, neg y) -> minus_nat(x, y),
                plus_int(neg x, pos y) -> minus_nat(y, x),
                plus_int(neg x, neg y) -> neg plus_nat(x, y),
                 eval_11(x, y1, y2, z) -> eval_5(x, plus_int(pos s s s s s s s s s s s 0(), y1), plus_int(pos s 0(), y2), z),
    Cond_eval_11(true(), x, y1, y2, z) -> eval_3(x, y1, y2, z),
                  eval_1(x, y1, y2, z) -> Cond_eval_11(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                  eval_1(x, y1, y2, z) -> Cond_eval_1(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                  eval_3(x, y1, y2, z) -> Cond_eval_31(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                  eval_3(x, y1, y2, z) -> Cond_eval_3(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
     Cond_eval_9(true(), x, y1, y2, z) -> eval_11(x, y1, y2, z),
    Cond_eval_91(true(), x, y1, y2, z) -> eval_11(x, minus_int(y1, pos s s s s s s s s s s 0()), minus_int(y2, pos s 0()), z),
     Cond_eval_1(true(), x, y1, y2, z) -> eval_2(x, y1, y2, minus_int(y1, pos s s s s s s s s s s 0())),
                  eval_9(x, y1, y2, z) -> Cond_eval_9(lesseq_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
                  eval_9(x, y1, y2, z) -> Cond_eval_91(greater_int(y1, pos s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s s 0()), x, y1, y2, z),
     Cond_eval_5(true(), x, y1, y2, z) -> eval_7(x, minus_int(y1, pos s s s s s s s s s s 0()), minus_int(y2, pos s 0()), z),
                  eval_0(x, y1, y2, z) -> eval_1(x, x, pos s 0(), z),
     Cond_eval_3(true(), x, y1, y2, z) -> eval_3(x, plus_int(pos s s s s s s s s s s s 0(), y1), plus_int(pos s 0(), y2), z),
                   minus_nat(s x, s y) -> minus_nat(x, y),
                   minus_nat(s x, 0()) -> pos s x,
                   minus_nat(0(), s y) -> neg s y,
                   minus_nat(0(), 0()) -> pos 0(),
                      plus_nat(s x, y) -> s plus_nat(x, y),
                      plus_nat(0(), x) -> x}
  Fail