MAYBE Time: 1.020902 TRS: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} DP: DP: { active# 2nd X -> active# X, active# 2nd X -> 2nd# active X, active# cons(X1, X2) -> active# X1, active# cons(X1, X2) -> cons#(active X1, X2), active# from X -> active# X, active# from X -> cons#(X, from s X), active# from X -> from# active X, active# from X -> from# s X, active# from X -> s# X, active# s X -> active# X, active# s X -> s# active X, 2nd# mark X -> 2nd# X, 2nd# ok X -> 2nd# X, cons#(mark X1, X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2), from# mark X -> from# X, from# ok X -> from# X, s# mark X -> s# X, s# ok X -> s# X, proper# 2nd X -> 2nd# proper X, proper# 2nd X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2), proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X2, proper# from X -> from# proper X, proper# from X -> proper# X, proper# s X -> s# proper X, proper# s X -> proper# X, top# mark X -> proper# X, top# mark X -> top# proper X, top# ok X -> active# X, top# ok X -> top# active X} TRS: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} UR: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X} EDG: {(active# 2nd X -> 2nd# active X, 2nd# ok X -> 2nd# X) (active# 2nd X -> 2nd# active X, 2nd# mark X -> 2nd# X) (active# from X -> from# s X, from# ok X -> from# X) (active# from X -> from# s X, from# mark X -> from# X) (proper# 2nd X -> 2nd# proper X, 2nd# ok X -> 2nd# X) (proper# 2nd X -> 2nd# proper X, 2nd# mark X -> 2nd# X) (proper# s X -> s# proper X, s# ok X -> s# X) (proper# s X -> s# proper X, s# mark X -> s# X) (top# ok X -> top# active X, top# ok X -> top# active X) (top# ok X -> top# active X, top# ok X -> active# X) (top# ok X -> top# active X, top# mark X -> top# proper X) (top# ok X -> top# active X, top# mark X -> proper# X) (active# 2nd X -> active# X, active# s X -> s# active X) (active# 2nd X -> active# X, active# s X -> active# X) (active# 2nd X -> active# X, active# from X -> s# X) (active# 2nd X -> active# X, active# from X -> from# s X) (active# 2nd X -> active# X, active# from X -> from# active X) (active# 2nd X -> active# X, active# from X -> cons#(X, from s X)) (active# 2nd X -> active# X, active# from X -> active# X) (active# 2nd X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# 2nd X -> active# X, active# cons(X1, X2) -> active# X1) (active# 2nd X -> active# X, active# 2nd X -> 2nd# active X) (active# 2nd X -> active# X, active# 2nd X -> active# X) (active# from X -> s# X, s# ok X -> s# X) (active# from X -> s# X, s# mark X -> s# X) (2nd# mark X -> 2nd# X, 2nd# ok X -> 2nd# X) (2nd# mark X -> 2nd# X, 2nd# mark X -> 2nd# X) (from# mark X -> from# X, from# ok X -> from# X) (from# mark X -> from# X, from# mark X -> from# X) (s# mark X -> s# X, s# ok X -> s# X) (s# mark X -> s# X, s# mark X -> s# X) (proper# 2nd X -> proper# X, proper# s X -> proper# X) (proper# 2nd X -> proper# X, proper# s X -> s# proper X) (proper# 2nd X -> proper# X, proper# from X -> proper# X) (proper# 2nd X -> proper# X, proper# from X -> from# proper X) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# 2nd X -> proper# X, proper# 2nd X -> proper# X) (proper# 2nd X -> proper# X, proper# 2nd X -> 2nd# proper X) (proper# s X -> proper# X, proper# s X -> proper# X) (proper# s X -> proper# X, proper# s X -> s# proper X) (proper# s X -> proper# X, proper# from X -> proper# X) (proper# s X -> proper# X, proper# from X -> from# proper X) (proper# s X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# s X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# s X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# s X -> proper# X, proper# 2nd X -> proper# X) (proper# s X -> proper# X, proper# 2nd X -> 2nd# proper X) (top# ok X -> active# X, active# s X -> s# active X) (top# ok X -> active# X, active# s X -> active# X) (top# ok X -> active# X, active# from X -> s# X) (top# ok X -> active# X, active# from X -> from# s X) (top# ok X -> active# X, active# from X -> from# active X) (top# ok X -> active# X, active# from X -> cons#(X, from s X)) (top# ok X -> active# X, active# from X -> active# X) (top# ok X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (top# ok X -> active# X, active# cons(X1, X2) -> active# X1) (top# ok X -> active# X, active# 2nd X -> 2nd# active X) (top# ok X -> active# X, active# 2nd X -> active# X) (active# cons(X1, X2) -> active# X1, active# s X -> s# active X) (active# cons(X1, X2) -> active# X1, active# s X -> active# X) (active# cons(X1, X2) -> active# X1, active# from X -> s# X) (active# cons(X1, X2) -> active# X1, active# from X -> from# s X) (active# cons(X1, X2) -> active# X1, active# from X -> from# active X) (active# cons(X1, X2) -> active# X1, active# from X -> cons#(X, from s X)) (active# cons(X1, X2) -> active# X1, active# from X -> active# X) (active# cons(X1, X2) -> active# X1, active# cons(X1, X2) -> cons#(active X1, X2)) (active# cons(X1, X2) -> active# X1, active# cons(X1, X2) -> active# X1) (active# cons(X1, X2) -> active# X1, active# 2nd X -> 2nd# active X) (active# cons(X1, X2) -> active# X1, active# 2nd X -> active# X) (cons#(mark X1, X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (cons#(mark X1, X2) -> cons#(X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> cons#(proper X1, proper X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> cons#(proper X1, proper X2), cons#(mark X1, X2) -> cons#(X1, X2)) (cons#(ok X1, ok X2) -> cons#(X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (cons#(ok X1, ok X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> proper# X1, proper# 2nd X -> 2nd# proper X) (proper# cons(X1, X2) -> proper# X1, proper# 2nd X -> proper# X) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X1) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X2) (proper# cons(X1, X2) -> proper# X1, proper# from X -> from# proper X) (proper# cons(X1, X2) -> proper# X1, proper# from X -> proper# X) (proper# cons(X1, X2) -> proper# X1, proper# s X -> s# proper X) (proper# cons(X1, X2) -> proper# X1, proper# s X -> proper# X) (active# cons(X1, X2) -> cons#(active X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (active# cons(X1, X2) -> cons#(active X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (top# mark X -> proper# X, proper# 2nd X -> 2nd# proper X) (top# mark X -> proper# X, proper# 2nd X -> proper# X) (top# mark X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (top# mark X -> proper# X, proper# cons(X1, X2) -> proper# X1) (top# mark X -> proper# X, proper# cons(X1, X2) -> proper# X2) (top# mark X -> proper# X, proper# from X -> from# proper X) (top# mark X -> proper# X, proper# from X -> proper# X) (top# mark X -> proper# X, proper# s X -> s# proper X) (top# mark X -> proper# X, proper# s X -> proper# X) (proper# from X -> proper# X, proper# 2nd X -> 2nd# proper X) (proper# from X -> proper# X, proper# 2nd X -> proper# X) (proper# from X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# from X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# from X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# from X -> proper# X, proper# from X -> from# proper X) (proper# from X -> proper# X, proper# from X -> proper# X) (proper# from X -> proper# X, proper# s X -> s# proper X) (proper# from X -> proper# X, proper# s X -> proper# X) (s# ok X -> s# X, s# mark X -> s# X) (s# ok X -> s# X, s# ok X -> s# X) (from# ok X -> from# X, from# mark X -> from# X) (from# ok X -> from# X, from# ok X -> from# X) (2nd# ok X -> 2nd# X, 2nd# mark X -> 2nd# X) (2nd# ok X -> 2nd# X, 2nd# ok X -> 2nd# X) (active# s X -> active# X, active# 2nd X -> active# X) (active# s X -> active# X, active# 2nd X -> 2nd# active X) (active# s X -> active# X, active# cons(X1, X2) -> active# X1) (active# s X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# s X -> active# X, active# from X -> active# X) (active# s X -> active# X, active# from X -> cons#(X, from s X)) (active# s X -> active# X, active# from X -> from# active X) (active# s X -> active# X, active# from X -> from# s X) (active# s X -> active# X, active# from X -> s# X) (active# s X -> active# X, active# s X -> active# X) (active# s X -> active# X, active# s X -> s# active X) (active# from X -> active# X, active# 2nd X -> active# X) (active# from X -> active# X, active# 2nd X -> 2nd# active X) (active# from X -> active# X, active# cons(X1, X2) -> active# X1) (active# from X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# from X -> active# X, active# from X -> active# X) (active# from X -> active# X, active# from X -> cons#(X, from s X)) (active# from X -> active# X, active# from X -> from# active X) (active# from X -> active# X, active# from X -> from# s X) (active# from X -> active# X, active# from X -> s# X) (active# from X -> active# X, active# s X -> active# X) (active# from X -> active# X, active# s X -> s# active X) (proper# cons(X1, X2) -> proper# X2, proper# 2nd X -> 2nd# proper X) (proper# cons(X1, X2) -> proper# X2, proper# 2nd X -> proper# X) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> proper# X1) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> proper# X2) (proper# cons(X1, X2) -> proper# X2, proper# from X -> from# proper X) (proper# cons(X1, X2) -> proper# X2, proper# from X -> proper# X) (proper# cons(X1, X2) -> proper# X2, proper# s X -> s# proper X) (proper# cons(X1, X2) -> proper# X2, proper# s X -> proper# X) (top# mark X -> top# proper X, top# mark X -> proper# X) (top# mark X -> top# proper X, top# mark X -> top# proper X) (top# mark X -> top# proper X, top# ok X -> active# X) (top# mark X -> top# proper X, top# ok X -> top# active X) (proper# from X -> from# proper X, from# mark X -> from# X) (proper# from X -> from# proper X, from# ok X -> from# X) (active# s X -> s# active X, s# mark X -> s# X) (active# s X -> s# active X, s# ok X -> s# X) (active# from X -> from# active X, from# mark X -> from# X) (active# from X -> from# active X, from# ok X -> from# X) (active# from X -> cons#(X, from s X), cons#(mark X1, X2) -> cons#(X1, X2)) (active# from X -> cons#(X, from s X), cons#(ok X1, ok X2) -> cons#(X1, X2))} EDG: {(active# 2nd X -> 2nd# active X, 2nd# ok X -> 2nd# X) (active# 2nd X -> 2nd# active X, 2nd# mark X -> 2nd# X) (active# from X -> from# s X, from# ok X -> from# X) (active# from X -> from# s X, from# mark X -> from# X) (proper# 2nd X -> 2nd# proper X, 2nd# ok X -> 2nd# X) (proper# 2nd X -> 2nd# proper X, 2nd# mark X -> 2nd# X) (proper# s X -> s# proper X, s# ok X -> s# X) (proper# s X -> s# proper X, s# mark X -> s# X) (top# ok X -> top# active X, top# ok X -> top# active X) (top# ok X -> top# active X, top# ok X -> active# X) (top# ok X -> top# active X, top# mark X -> top# proper X) (top# ok X -> top# active X, top# mark X -> proper# X) (active# 2nd X -> active# X, active# s X -> s# active X) (active# 2nd X -> active# X, active# s X -> active# X) (active# 2nd X -> active# X, active# from X -> s# X) (active# 2nd X -> active# X, active# from X -> from# s X) (active# 2nd X -> active# X, active# from X -> from# active X) (active# 2nd X -> active# X, active# from X -> cons#(X, from s X)) (active# 2nd X -> active# X, active# from X -> active# X) (active# 2nd X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# 2nd X -> active# X, active# cons(X1, X2) -> active# X1) (active# 2nd X -> active# X, active# 2nd X -> 2nd# active X) (active# 2nd X -> active# X, active# 2nd X -> active# X) (2nd# mark X -> 2nd# X, 2nd# ok X -> 2nd# X) (2nd# mark X -> 2nd# X, 2nd# mark X -> 2nd# X) (from# mark X -> from# X, from# ok X -> from# X) (from# mark X -> from# X, from# mark X -> from# X) (s# mark X -> s# X, s# ok X -> s# X) (s# mark X -> s# X, s# mark X -> s# X) (proper# 2nd X -> proper# X, proper# s X -> proper# X) (proper# 2nd X -> proper# X, proper# s X -> s# proper X) (proper# 2nd X -> proper# X, proper# from X -> proper# X) (proper# 2nd X -> proper# X, proper# from X -> from# proper X) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# 2nd X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# 2nd X -> proper# X, proper# 2nd X -> proper# X) (proper# 2nd X -> proper# X, proper# 2nd X -> 2nd# proper X) (proper# s X -> proper# X, proper# s X -> proper# X) (proper# s X -> proper# X, proper# s X -> s# proper X) (proper# s X -> proper# X, proper# from X -> proper# X) (proper# s X -> proper# X, proper# from X -> from# proper X) (proper# s X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# s X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# s X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# s X -> proper# X, proper# 2nd X -> proper# X) (proper# s X -> proper# X, proper# 2nd X -> 2nd# proper X) (top# ok X -> active# X, active# s X -> s# active X) (top# ok X -> active# X, active# s X -> active# X) (top# ok X -> active# X, active# from X -> s# X) (top# ok X -> active# X, active# from X -> from# s X) (top# ok X -> active# X, active# from X -> from# active X) (top# ok X -> active# X, active# from X -> cons#(X, from s X)) (top# ok X -> active# X, active# from X -> active# X) (top# ok X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (top# ok X -> active# X, active# cons(X1, X2) -> active# X1) (top# ok X -> active# X, active# 2nd X -> 2nd# active X) (top# ok X -> active# X, active# 2nd X -> active# X) (active# cons(X1, X2) -> active# X1, active# s X -> s# active X) (active# cons(X1, X2) -> active# X1, active# s X -> active# X) (active# cons(X1, X2) -> active# X1, active# from X -> s# X) (active# cons(X1, X2) -> active# X1, active# from X -> from# s X) (active# cons(X1, X2) -> active# X1, active# from X -> from# active X) (active# cons(X1, X2) -> active# X1, active# from X -> cons#(X, from s X)) (active# cons(X1, X2) -> active# X1, active# from X -> active# X) (active# cons(X1, X2) -> active# X1, active# cons(X1, X2) -> cons#(active X1, X2)) (active# cons(X1, X2) -> active# X1, active# cons(X1, X2) -> active# X1) (active# cons(X1, X2) -> active# X1, active# 2nd X -> 2nd# active X) (active# cons(X1, X2) -> active# X1, active# 2nd X -> active# X) (cons#(mark X1, X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (cons#(mark X1, X2) -> cons#(X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> cons#(proper X1, proper X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> cons#(proper X1, proper X2), cons#(mark X1, X2) -> cons#(X1, X2)) (cons#(ok X1, ok X2) -> cons#(X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (cons#(ok X1, ok X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (proper# cons(X1, X2) -> proper# X1, proper# 2nd X -> 2nd# proper X) (proper# cons(X1, X2) -> proper# X1, proper# 2nd X -> proper# X) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X1) (proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X2) (proper# cons(X1, X2) -> proper# X1, proper# from X -> from# proper X) (proper# cons(X1, X2) -> proper# X1, proper# from X -> proper# X) (proper# cons(X1, X2) -> proper# X1, proper# s X -> s# proper X) (proper# cons(X1, X2) -> proper# X1, proper# s X -> proper# X) (active# cons(X1, X2) -> cons#(active X1, X2), cons#(mark X1, X2) -> cons#(X1, X2)) (active# cons(X1, X2) -> cons#(active X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)) (top# mark X -> proper# X, proper# 2nd X -> 2nd# proper X) (top# mark X -> proper# X, proper# 2nd X -> proper# X) (top# mark X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (top# mark X -> proper# X, proper# cons(X1, X2) -> proper# X1) (top# mark X -> proper# X, proper# cons(X1, X2) -> proper# X2) (top# mark X -> proper# X, proper# from X -> from# proper X) (top# mark X -> proper# X, proper# from X -> proper# X) (top# mark X -> proper# X, proper# s X -> s# proper X) (top# mark X -> proper# X, proper# s X -> proper# X) (proper# from X -> proper# X, proper# 2nd X -> 2nd# proper X) (proper# from X -> proper# X, proper# 2nd X -> proper# X) (proper# from X -> proper# X, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# from X -> proper# X, proper# cons(X1, X2) -> proper# X1) (proper# from X -> proper# X, proper# cons(X1, X2) -> proper# X2) (proper# from X -> proper# X, proper# from X -> from# proper X) (proper# from X -> proper# X, proper# from X -> proper# X) (proper# from X -> proper# X, proper# s X -> s# proper X) (proper# from X -> proper# X, proper# s X -> proper# X) (s# ok X -> s# X, s# mark X -> s# X) (s# ok X -> s# X, s# ok X -> s# X) (from# ok X -> from# X, from# mark X -> from# X) (from# ok X -> from# X, from# ok X -> from# X) (2nd# ok X -> 2nd# X, 2nd# mark X -> 2nd# X) (2nd# ok X -> 2nd# X, 2nd# ok X -> 2nd# X) (active# s X -> active# X, active# 2nd X -> active# X) (active# s X -> active# X, active# 2nd X -> 2nd# active X) (active# s X -> active# X, active# cons(X1, X2) -> active# X1) (active# s X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# s X -> active# X, active# from X -> active# X) (active# s X -> active# X, active# from X -> cons#(X, from s X)) (active# s X -> active# X, active# from X -> from# active X) (active# s X -> active# X, active# from X -> from# s X) (active# s X -> active# X, active# from X -> s# X) (active# s X -> active# X, active# s X -> active# X) (active# s X -> active# X, active# s X -> s# active X) (active# from X -> active# X, active# 2nd X -> active# X) (active# from X -> active# X, active# 2nd X -> 2nd# active X) (active# from X -> active# X, active# cons(X1, X2) -> active# X1) (active# from X -> active# X, active# cons(X1, X2) -> cons#(active X1, X2)) (active# from X -> active# X, active# from X -> active# X) (active# from X -> active# X, active# from X -> cons#(X, from s X)) (active# from X -> active# X, active# from X -> from# active X) (active# from X -> active# X, active# from X -> from# s X) (active# from X -> active# X, active# from X -> s# X) (active# from X -> active# X, active# s X -> active# X) (active# from X -> active# X, active# s X -> s# active X) (proper# cons(X1, X2) -> proper# X2, proper# 2nd X -> 2nd# proper X) (proper# cons(X1, X2) -> proper# X2, proper# 2nd X -> proper# X) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> cons#(proper X1, proper X2)) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> proper# X1) (proper# cons(X1, X2) -> proper# X2, proper# cons(X1, X2) -> proper# X2) (proper# cons(X1, X2) -> proper# X2, proper# from X -> from# proper X) (proper# cons(X1, X2) -> proper# X2, proper# from X -> proper# X) (proper# cons(X1, X2) -> proper# X2, proper# s X -> s# proper X) (proper# cons(X1, X2) -> proper# X2, proper# s X -> proper# X) (top# mark X -> top# proper X, top# mark X -> proper# X) (top# mark X -> top# proper X, top# mark X -> top# proper X) (top# mark X -> top# proper X, top# ok X -> active# X) (top# mark X -> top# proper X, top# ok X -> top# active X) (proper# from X -> from# proper X, from# mark X -> from# X) (proper# from X -> from# proper X, from# ok X -> from# X) (active# s X -> s# active X, s# mark X -> s# X) (active# s X -> s# active X, s# ok X -> s# X) (active# from X -> from# active X, from# mark X -> from# X) (active# from X -> from# active X, from# ok X -> from# X)} STATUS: arrows: 0.864258 SCCS (7): Scc: {top# ok X -> top# active X} Scc: { active# 2nd X -> active# X, active# cons(X1, X2) -> active# X1, active# from X -> active# X, active# s X -> active# X} Scc: { cons#(mark X1, X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)} Scc: { proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X2, proper# from X -> proper# X, proper# s X -> proper# X} Scc: {s# mark X -> s# X, s# ok X -> s# X} Scc: {from# mark X -> from# X, from# ok X -> from# X} Scc: {2nd# mark X -> 2nd# X, 2nd# ok X -> 2nd# X} SCC (1): Strict: {top# ok X -> top# active X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (4): Strict: { active# 2nd X -> active# X, active# cons(X1, X2) -> active# X1, active# from X -> active# X, active# s X -> active# X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (2): Strict: { cons#(mark X1, X2) -> cons#(X1, X2), cons#(ok X1, ok X2) -> cons#(X1, X2)} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (5): Strict: { proper# 2nd X -> proper# X, proper# cons(X1, X2) -> proper# X1, proper# cons(X1, X2) -> proper# X2, proper# from X -> proper# X, proper# s X -> proper# X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (2): Strict: {s# mark X -> s# X, s# ok X -> s# X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (2): Strict: {from# mark X -> from# X, from# ok X -> from# X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open SCC (2): Strict: {2nd# mark X -> 2nd# X, 2nd# ok X -> 2nd# X} Weak: { active 2nd X -> 2nd active X, active 2nd cons(X, cons(Y, Z)) -> mark Y, active cons(X1, X2) -> cons(active X1, X2), active from X -> mark cons(X, from s X), active from X -> from active X, active s X -> s active X, 2nd mark X -> mark 2nd X, 2nd ok X -> ok 2nd X, 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, s mark X -> mark s X, s ok X -> ok s X, proper 2nd X -> 2nd proper X, proper cons(X1, X2) -> cons(proper X1, proper X2), proper from X -> from proper X, proper s X -> s proper X, top mark X -> top proper X, top ok X -> top active X} Open