/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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MAYBE

Problem:
 active(zeros()) -> mark(cons(0(),zeros()))
 active(U11(tt(),L)) -> mark(U12(tt(),L))
 active(U12(tt(),L)) -> mark(s(length(L)))
 active(length(nil())) -> mark(0())
 active(length(cons(N,L))) -> mark(U11(tt(),L))
 active(cons(X1,X2)) -> cons(active(X1),X2)
 active(U11(X1,X2)) -> U11(active(X1),X2)
 active(U12(X1,X2)) -> U12(active(X1),X2)
 active(s(X)) -> s(active(X))
 active(length(X)) -> length(active(X))
 cons(mark(X1),X2) -> mark(cons(X1,X2))
 U11(mark(X1),X2) -> mark(U11(X1,X2))
 U12(mark(X1),X2) -> mark(U12(X1,X2))
 s(mark(X)) -> mark(s(X))
 length(mark(X)) -> mark(length(X))
 proper(zeros()) -> ok(zeros())
 proper(cons(X1,X2)) -> cons(proper(X1),proper(X2))
 proper(0()) -> ok(0())
 proper(U11(X1,X2)) -> U11(proper(X1),proper(X2))
 proper(tt()) -> ok(tt())
 proper(U12(X1,X2)) -> U12(proper(X1),proper(X2))
 proper(s(X)) -> s(proper(X))
 proper(length(X)) -> length(proper(X))
 proper(nil()) -> ok(nil())
 cons(ok(X1),ok(X2)) -> ok(cons(X1,X2))
 U11(ok(X1),ok(X2)) -> ok(U11(X1,X2))
 U12(ok(X1),ok(X2)) -> ok(U12(X1,X2))
 s(ok(X)) -> ok(s(X))
 length(ok(X)) -> ok(length(X))
 top(mark(X)) -> top(proper(X))
 top(ok(X)) -> top(active(X))

Proof:
 Open