MAYBE
557.24/297.14	MAYBE
557.24/297.14	
557.24/297.14	We are left with following problem, upon which TcT provides the
557.24/297.14	certificate MAYBE.
557.24/297.14	
557.24/297.14	Strict Trs:
557.24/297.14	  { active(zeros()) -> mark(cons(0(), zeros()))
557.24/297.14	  , active(cons(X1, X2)) -> cons(active(X1), X2)
557.24/297.14	  , active(U11(X1, X2)) -> U11(active(X1), X2)
557.24/297.14	  , active(U11(tt(), L)) -> mark(U12(tt(), L))
557.24/297.14	  , active(U12(X1, X2)) -> U12(active(X1), X2)
557.24/297.14	  , active(U12(tt(), L)) -> mark(s(length(L)))
557.24/297.14	  , active(s(X)) -> s(active(X))
557.24/297.14	  , active(length(X)) -> length(active(X))
557.24/297.14	  , active(length(cons(N, L))) -> mark(U11(tt(), L))
557.24/297.14	  , active(length(nil())) -> mark(0())
557.24/297.14	  , active(U21(X1, X2, X3, X4)) -> U21(active(X1), X2, X3, X4)
557.24/297.14	  , active(U21(tt(), IL, M, N)) -> mark(U22(tt(), IL, M, N))
557.24/297.14	  , active(U22(X1, X2, X3, X4)) -> U22(active(X1), X2, X3, X4)
557.24/297.14	  , active(U22(tt(), IL, M, N)) -> mark(U23(tt(), IL, M, N))
557.24/297.14	  , active(U23(X1, X2, X3, X4)) -> U23(active(X1), X2, X3, X4)
557.24/297.14	  , active(U23(tt(), IL, M, N)) -> mark(cons(N, take(M, IL)))
557.24/297.14	  , active(take(X1, X2)) -> take(X1, active(X2))
557.24/297.14	  , active(take(X1, X2)) -> take(active(X1), X2)
557.24/297.14	  , active(take(0(), IL)) -> mark(nil())
557.24/297.14	  , active(take(s(M), cons(N, IL))) -> mark(U21(tt(), IL, M, N))
557.24/297.14	  , cons(mark(X1), X2) -> mark(cons(X1, X2))
557.24/297.14	  , cons(ok(X1), ok(X2)) -> ok(cons(X1, X2))
557.24/297.14	  , U11(mark(X1), X2) -> mark(U11(X1, X2))
557.24/297.14	  , U11(ok(X1), ok(X2)) -> ok(U11(X1, X2))
557.24/297.14	  , U12(mark(X1), X2) -> mark(U12(X1, X2))
557.24/297.14	  , U12(ok(X1), ok(X2)) -> ok(U12(X1, X2))
557.24/297.14	  , s(mark(X)) -> mark(s(X))
557.24/297.14	  , s(ok(X)) -> ok(s(X))
557.24/297.14	  , length(mark(X)) -> mark(length(X))
557.24/297.14	  , length(ok(X)) -> ok(length(X))
557.24/297.14	  , U21(mark(X1), X2, X3, X4) -> mark(U21(X1, X2, X3, X4))
557.24/297.14	  , U21(ok(X1), ok(X2), ok(X3), ok(X4)) -> ok(U21(X1, X2, X3, X4))
557.24/297.14	  , U22(mark(X1), X2, X3, X4) -> mark(U22(X1, X2, X3, X4))
557.24/297.14	  , U22(ok(X1), ok(X2), ok(X3), ok(X4)) -> ok(U22(X1, X2, X3, X4))
557.24/297.14	  , U23(mark(X1), X2, X3, X4) -> mark(U23(X1, X2, X3, X4))
557.24/297.14	  , U23(ok(X1), ok(X2), ok(X3), ok(X4)) -> ok(U23(X1, X2, X3, X4))
557.24/297.14	  , take(X1, mark(X2)) -> mark(take(X1, X2))
557.24/297.14	  , take(mark(X1), X2) -> mark(take(X1, X2))
557.24/297.14	  , take(ok(X1), ok(X2)) -> ok(take(X1, X2))
557.24/297.14	  , proper(zeros()) -> ok(zeros())
557.24/297.14	  , proper(cons(X1, X2)) -> cons(proper(X1), proper(X2))
557.24/297.14	  , proper(0()) -> ok(0())
557.24/297.14	  , proper(U11(X1, X2)) -> U11(proper(X1), proper(X2))
557.24/297.14	  , proper(tt()) -> ok(tt())
557.24/297.14	  , proper(U12(X1, X2)) -> U12(proper(X1), proper(X2))
557.24/297.14	  , proper(s(X)) -> s(proper(X))
557.24/297.14	  , proper(length(X)) -> length(proper(X))
557.24/297.14	  , proper(U21(X1, X2, X3, X4)) ->
557.24/297.14	    U21(proper(X1), proper(X2), proper(X3), proper(X4))
557.24/297.14	  , proper(U22(X1, X2, X3, X4)) ->
557.24/297.14	    U22(proper(X1), proper(X2), proper(X3), proper(X4))
557.24/297.14	  , proper(U23(X1, X2, X3, X4)) ->
557.24/297.14	    U23(proper(X1), proper(X2), proper(X3), proper(X4))
557.24/297.14	  , proper(take(X1, X2)) -> take(proper(X1), proper(X2))
557.24/297.14	  , proper(nil()) -> ok(nil())
557.24/297.14	  , top(mark(X)) -> top(proper(X))
557.24/297.14	  , top(ok(X)) -> top(active(X)) }
557.24/297.14	Obligation:
557.24/297.14	  derivational complexity
557.24/297.14	Answer:
557.24/297.14	  MAYBE
557.24/297.14	
557.24/297.14	None of the processors succeeded.
557.24/297.14	
557.24/297.14	Details of failed attempt(s):
557.24/297.14	-----------------------------
557.24/297.14	1) 'Inspecting Problem... (timeout of 297 seconds)' failed due to
557.24/297.14	   the following reason:
557.24/297.14	   
557.24/297.14	   Computation stopped due to timeout after 297.0 seconds.
557.24/297.14	
557.24/297.14	2) 'iteProgress (timeout of 297 seconds)' failed due to the
557.24/297.14	   following reason:
557.24/297.14	   
557.24/297.14	   Fail
557.24/297.14	
557.24/297.14	3) 'Fastest (timeout of 60 seconds)' failed due to the following
557.24/297.14	   reason:
557.24/297.14	   
557.24/297.14	   Computation stopped due to timeout after 60.0 seconds.
557.24/297.14	
557.24/297.14	4) 'bsearch-matrix (timeout of 297 seconds)' failed due to the
557.24/297.14	   following reason:
557.24/297.14	   
557.24/297.14	   The input cannot be shown compatible
557.24/297.14	
557.24/297.14	
557.24/297.14	Arrrr..
557.24/297.15	EOF