Time: 5.180844
TRS:
{ f(x, z, u, w) -> Cond_f1(and(greatereq_int(x, w), greatereq_int(u, pos 0())), x, z, u, w),
f(x, z, u, w) -> Cond_f(greater_int(w, x), x, z, u, w),
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),
Cond_f1(true(), x, z, u, w) -> f(x, plus_int(pos s 0(), z), plus_int(pos s s 0(), u), plus_int(pos s s 0(), plus_int(w, u))),
Cond_f(true(), x, z, u, w) -> z,
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(),
sqrt x -> f(x, pos 0(), pos s 0(), pos s 0()),
and(true(), true()) -> true(),
and(true(), false()) -> false(),
and(false(), true()) -> false(),
and(false(), false()) -> false(),
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}
SRS: We consider a TRS.
Trs:
{ f(x, z, u, w) -> Cond_f1(and(greatereq_int(x, w), greatereq_int(u, pos 0())), x, z, u, w),
f(x, z, u, w) -> Cond_f(greater_int(w, x), x, z, u, w),
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),
Cond_f1(true(), x, z, u, w) -> f(x, plus_int(pos s 0(), z), plus_int(pos s s 0(), u), plus_int(pos s s 0(), plus_int(w, u))),
Cond_f(true(), x, z, u, w) -> z,
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(),
sqrt x -> f(x, pos 0(), pos s 0(), pos s 0()),
and(true(), true()) -> true(),
and(true(), false()) -> false(),
and(false(), true()) -> false(),
and(false(), false()) -> false(),
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}
Fail