MAYBE
* Step 1: Failure MAYBE
  + Considered Problem:
      - Strict TRS:
          2ndsneg(X1,mark(X2)) -> mark(2ndsneg(X1,X2))
          2ndsneg(mark(X1),X2) -> mark(2ndsneg(X1,X2))
          2ndsneg(ok(X1),ok(X2)) -> ok(2ndsneg(X1,X2))
          2ndspos(X1,mark(X2)) -> mark(2ndspos(X1,X2))
          2ndspos(mark(X1),X2) -> mark(2ndspos(X1,X2))
          2ndspos(ok(X1),ok(X2)) -> ok(2ndspos(X1,X2))
          active(2ndsneg(X1,X2)) -> 2ndsneg(X1,active(X2))
          active(2ndsneg(X1,X2)) -> 2ndsneg(active(X1),X2)
          active(2ndsneg(0(),Z)) -> mark(rnil())
          active(2ndsneg(s(N),cons(X,cons(Y,Z)))) -> mark(rcons(negrecip(Y),2ndspos(N,Z)))
          active(2ndspos(X1,X2)) -> 2ndspos(X1,active(X2))
          active(2ndspos(X1,X2)) -> 2ndspos(active(X1),X2)
          active(2ndspos(0(),Z)) -> mark(rnil())
          active(2ndspos(s(N),cons(X,cons(Y,Z)))) -> mark(rcons(posrecip(Y),2ndsneg(N,Z)))
          active(cons(X1,X2)) -> cons(active(X1),X2)
          active(from(X)) -> from(active(X))
          active(from(X)) -> mark(cons(X,from(s(X))))
          active(negrecip(X)) -> negrecip(active(X))
          active(pi(X)) -> mark(2ndspos(X,from(0())))
          active(pi(X)) -> pi(active(X))
          active(plus(X1,X2)) -> plus(X1,active(X2))
          active(plus(X1,X2)) -> plus(active(X1),X2)
          active(plus(0(),Y)) -> mark(Y)
          active(plus(s(X),Y)) -> mark(s(plus(X,Y)))
          active(posrecip(X)) -> posrecip(active(X))
          active(rcons(X1,X2)) -> rcons(X1,active(X2))
          active(rcons(X1,X2)) -> rcons(active(X1),X2)
          active(s(X)) -> s(active(X))
          active(square(X)) -> mark(times(X,X))
          active(square(X)) -> square(active(X))
          active(times(X1,X2)) -> times(X1,active(X2))
          active(times(X1,X2)) -> times(active(X1),X2)
          active(times(0(),Y)) -> mark(0())
          active(times(s(X),Y)) -> mark(plus(Y,times(X,Y)))
          cons(mark(X1),X2) -> mark(cons(X1,X2))
          cons(ok(X1),ok(X2)) -> ok(cons(X1,X2))
          from(mark(X)) -> mark(from(X))
          from(ok(X)) -> ok(from(X))
          negrecip(mark(X)) -> mark(negrecip(X))
          negrecip(ok(X)) -> ok(negrecip(X))
          pi(mark(X)) -> mark(pi(X))
          pi(ok(X)) -> ok(pi(X))
          plus(X1,mark(X2)) -> mark(plus(X1,X2))
          plus(mark(X1),X2) -> mark(plus(X1,X2))
          plus(ok(X1),ok(X2)) -> ok(plus(X1,X2))
          posrecip(mark(X)) -> mark(posrecip(X))
          posrecip(ok(X)) -> ok(posrecip(X))
          proper(0()) -> ok(0())
          proper(2ndsneg(X1,X2)) -> 2ndsneg(proper(X1),proper(X2))
          proper(2ndspos(X1,X2)) -> 2ndspos(proper(X1),proper(X2))
          proper(cons(X1,X2)) -> cons(proper(X1),proper(X2))
          proper(from(X)) -> from(proper(X))
          proper(negrecip(X)) -> negrecip(proper(X))
          proper(nil()) -> ok(nil())
          proper(pi(X)) -> pi(proper(X))
          proper(plus(X1,X2)) -> plus(proper(X1),proper(X2))
          proper(posrecip(X)) -> posrecip(proper(X))
          proper(rcons(X1,X2)) -> rcons(proper(X1),proper(X2))
          proper(rnil()) -> ok(rnil())
          proper(s(X)) -> s(proper(X))
          proper(square(X)) -> square(proper(X))
          proper(times(X1,X2)) -> times(proper(X1),proper(X2))
          rcons(X1,mark(X2)) -> mark(rcons(X1,X2))
          rcons(mark(X1),X2) -> mark(rcons(X1,X2))
          rcons(ok(X1),ok(X2)) -> ok(rcons(X1,X2))
          s(mark(X)) -> mark(s(X))
          s(ok(X)) -> ok(s(X))
          square(mark(X)) -> mark(square(X))
          square(ok(X)) -> ok(square(X))
          times(X1,mark(X2)) -> mark(times(X1,X2))
          times(mark(X1),X2) -> mark(times(X1,X2))
          times(ok(X1),ok(X2)) -> ok(times(X1,X2))
          top(mark(X)) -> top(proper(X))
          top(ok(X)) -> top(active(X))
      - Signature:
          {2ndsneg/2,2ndspos/2,active/1,cons/2,from/1,negrecip/1,pi/1,plus/2,posrecip/1,proper/1,rcons/2,s/1,square/1
          ,times/2,top/1} / {0/0,mark/1,nil/0,ok/1,rnil/0}
      - Obligation:
          innermost runtime complexity wrt. defined symbols {2ndsneg,2ndspos,active,cons,from,negrecip,pi,plus
          ,posrecip,proper,rcons,s,square,times,top} and constructors {0,mark,nil,ok,rnil}
  + Applied Processor:
      MI {miKind = Automaton Nothing, miDimension = 3, miUArgs = NoUArgs, miURules = NoURules, miSelector = Nothing}
  + Details:
      Incompatible
MAYBE