Time: 5.189095
TRS:
 {                         eval x -> Cond_eval(greatereq_int(x, pos 0()), x),
           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),
           mult_int(pos x, pos y) -> pos mult_nat(x, y),
           mult_int(pos x, neg y) -> neg mult_nat(x, y),
           mult_int(neg x, pos y) -> neg mult_nat(x, y),
           mult_int(neg x, neg y) -> pos mult_nat(x, y),
                    neg_int pos x -> neg x,
                    neg_int neg x -> pos x,
             Cond_eval(true(), x) -> eval plus_int(pos s s s s s s s s s s 0(), mult_int(neg_int pos s s 0(), x)),
    greatereq_int(pos x, pos 0()) -> true(),
      greatereq_int(pos x, neg y) -> true(),
  greatereq_int(pos s x, pos s y) -> greatereq_int(pos x, pos y),
  greatereq_int(pos 0(), pos s y) -> false(),
    greatereq_int(neg x, pos s y) -> false(),
  greatereq_int(neg s x, pos 0()) -> false(),
  greatereq_int(neg s x, neg s y) -> greatereq_int(neg x, neg y),
  greatereq_int(neg s x, neg 0()) -> false(),
  greatereq_int(neg 0(), pos 0()) -> true(),
    greatereq_int(neg 0(), neg y) -> true(),
              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,
               mult_nat(s x, s y) -> plus_nat(mult_nat(x, s y), s y),
               mult_nat(s x, 0()) -> 0(),
                 mult_nat(0(), y) -> 0()}
 SRS: We consider a TRS.
  Trs:
   {                         eval x -> Cond_eval(greatereq_int(x, pos 0()), x),
             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),
             mult_int(pos x, pos y) -> pos mult_nat(x, y),
             mult_int(pos x, neg y) -> neg mult_nat(x, y),
             mult_int(neg x, pos y) -> neg mult_nat(x, y),
             mult_int(neg x, neg y) -> pos mult_nat(x, y),
                      neg_int pos x -> neg x,
                      neg_int neg x -> pos x,
               Cond_eval(true(), x) -> eval plus_int(pos s s s s s s s s s s 0(), mult_int(neg_int pos s s 0(), x)),
      greatereq_int(pos x, pos 0()) -> true(),
        greatereq_int(pos x, neg y) -> true(),
    greatereq_int(pos s x, pos s y) -> greatereq_int(pos x, pos y),
    greatereq_int(pos 0(), pos s y) -> false(),
      greatereq_int(neg x, pos s y) -> false(),
    greatereq_int(neg s x, pos 0()) -> false(),
    greatereq_int(neg s x, neg s y) -> greatereq_int(neg x, neg y),
    greatereq_int(neg s x, neg 0()) -> false(),
    greatereq_int(neg 0(), pos 0()) -> true(),
      greatereq_int(neg 0(), neg y) -> true(),
                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,
                 mult_nat(s x, s y) -> plus_nat(mult_nat(x, s y), s y),
                 mult_nat(s x, 0()) -> 0(),
                   mult_nat(0(), y) -> 0()}
  Fail