MAYBE Termination Proof

Termination Proof

by ttt2 (version ttt2 1.15)

Input

The rewrite relation of the following TRS is considered.

begin(end(x0)) rewrite(end(x0))
begin(twoto(x0)) rotate(cut(Ctwoto(guess(x0))))
begin(0(x0)) rotate(cut(C0(guess(x0))))
begin(p(x0)) rotate(cut(Cp(guess(x0))))
begin(s(x0)) rotate(cut(Cs(guess(x0))))
begin(twice(x0)) rotate(cut(Ctwice(guess(x0))))
guess(twoto(x0)) Ctwoto(guess(x0))
guess(0(x0)) C0(guess(x0))
guess(p(x0)) Cp(guess(x0))
guess(s(x0)) Cs(guess(x0))
guess(twice(x0)) Ctwice(guess(x0))
guess(twoto(x0)) moveleft(Btwoto(wait(x0)))
guess(0(x0)) moveleft(B0(wait(x0)))
guess(p(x0)) moveleft(Bp(wait(x0)))
guess(s(x0)) moveleft(Bs(wait(x0)))
guess(twice(x0)) moveleft(Btwice(wait(x0)))
guess(end(x0)) finish(end(x0))
Ctwoto(moveleft(Btwoto(x0))) moveleft(Btwoto(Atwoto(x0)))
C0(moveleft(Btwoto(x0))) moveleft(Btwoto(A0(x0)))
Cp(moveleft(Btwoto(x0))) moveleft(Btwoto(Ap(x0)))
Cs(moveleft(Btwoto(x0))) moveleft(Btwoto(As(x0)))
Ctwice(moveleft(Btwoto(x0))) moveleft(Btwoto(Atwice(x0)))
Ctwoto(moveleft(B0(x0))) moveleft(B0(Atwoto(x0)))
C0(moveleft(B0(x0))) moveleft(B0(A0(x0)))
Cp(moveleft(B0(x0))) moveleft(B0(Ap(x0)))
Cs(moveleft(B0(x0))) moveleft(B0(As(x0)))
Ctwice(moveleft(B0(x0))) moveleft(B0(Atwice(x0)))
Ctwoto(moveleft(Bp(x0))) moveleft(Bp(Atwoto(x0)))
C0(moveleft(Bp(x0))) moveleft(Bp(A0(x0)))
Cp(moveleft(Bp(x0))) moveleft(Bp(Ap(x0)))
Cs(moveleft(Bp(x0))) moveleft(Bp(As(x0)))
Ctwice(moveleft(Bp(x0))) moveleft(Bp(Atwice(x0)))
Ctwoto(moveleft(Bs(x0))) moveleft(Bs(Atwoto(x0)))
C0(moveleft(Bs(x0))) moveleft(Bs(A0(x0)))
Cp(moveleft(Bs(x0))) moveleft(Bs(Ap(x0)))
Cs(moveleft(Bs(x0))) moveleft(Bs(As(x0)))
Ctwice(moveleft(Bs(x0))) moveleft(Bs(Atwice(x0)))
Ctwoto(moveleft(Btwice(x0))) moveleft(Btwice(Atwoto(x0)))
C0(moveleft(Btwice(x0))) moveleft(Btwice(A0(x0)))
Cp(moveleft(Btwice(x0))) moveleft(Btwice(Ap(x0)))
Cs(moveleft(Btwice(x0))) moveleft(Btwice(As(x0)))
Ctwice(moveleft(Btwice(x0))) moveleft(Btwice(Atwice(x0)))
cut(moveleft(Btwoto(x0))) Dtwoto(cut(goright(x0)))
cut(moveleft(B0(x0))) D0(cut(goright(x0)))
cut(moveleft(Bp(x0))) Dp(cut(goright(x0)))
cut(moveleft(Bs(x0))) Ds(cut(goright(x0)))
cut(moveleft(Btwice(x0))) Dtwice(cut(goright(x0)))
goright(Atwoto(x0)) Ctwoto(goright(x0))
goright(A0(x0)) C0(goright(x0))
goright(Ap(x0)) Cp(goright(x0))
goright(As(x0)) Cs(goright(x0))
goright(Atwice(x0)) Ctwice(goright(x0))
goright(wait(twoto(x0))) moveleft(Btwoto(wait(x0)))
goright(wait(0(x0))) moveleft(B0(wait(x0)))
goright(wait(p(x0))) moveleft(Bp(wait(x0)))
goright(wait(s(x0))) moveleft(Bs(wait(x0)))
goright(wait(twice(x0))) moveleft(Btwice(wait(x0)))
goright(wait(end(x0))) finish(end(x0))
Ctwoto(finish(x0)) finish(twoto(x0))
C0(finish(x0)) finish(0(x0))
Cp(finish(x0)) finish(p(x0))
Cs(finish(x0)) finish(s(x0))
Ctwice(finish(x0)) finish(twice(x0))
cut(finish(x0)) finish2(x0)
Dtwoto(finish2(x0)) finish2(twoto(x0))
D0(finish2(x0)) finish2(0(x0))
Dp(finish2(x0)) finish2(p(x0))
Ds(finish2(x0)) finish2(s(x0))
Dtwice(finish2(x0)) finish2(twice(x0))
rotate(finish2(x0)) rewrite(x0)
rewrite(twoto(0(x0))) begin(p(p(s(s(s(p(p(p(s(s(s(0(p(p(s(s(x0)))))))))))))))))
rewrite(twoto(s(x0))) begin(p(p(s(s(p(p(p(s(s(s(twice(p(p(s(s(p(p(p(s(s(s(twoto(p(s(p(s(x0)))))))))))))))))))))))))))
rewrite(twice(0(x0))) begin(p(s(p(s(0(s(p(s(s(s(s(p(s(x0))))))))))))))
rewrite(twice(s(x0))) begin(s(p(p(p(p(s(s(s(s(s(twice(p(s(p(s(p(s(p(s(x0))))))))))))))))))))
rewrite(p(p(s(x0)))) begin(p(x0))
rewrite(p(s(x0))) begin(x0)
rewrite(p(0(x0))) begin(0(s(s(s(s(p(s(x0))))))))
rewrite(0(x0)) begin(x0)

Proof

1 Termination Assumption

We assume termination of the following TRS
begin(end(x0)) rewrite(end(x0))
begin(twoto(x0)) rotate(cut(Ctwoto(guess(x0))))
begin(0(x0)) rotate(cut(C0(guess(x0))))
begin(p(x0)) rotate(cut(Cp(guess(x0))))
begin(s(x0)) rotate(cut(Cs(guess(x0))))
begin(twice(x0)) rotate(cut(Ctwice(guess(x0))))
guess(twoto(x0)) Ctwoto(guess(x0))
guess(0(x0)) C0(guess(x0))
guess(p(x0)) Cp(guess(x0))
guess(s(x0)) Cs(guess(x0))
guess(twice(x0)) Ctwice(guess(x0))
guess(twoto(x0)) moveleft(Btwoto(wait(x0)))
guess(0(x0)) moveleft(B0(wait(x0)))
guess(p(x0)) moveleft(Bp(wait(x0)))
guess(s(x0)) moveleft(Bs(wait(x0)))
guess(twice(x0)) moveleft(Btwice(wait(x0)))
guess(end(x0)) finish(end(x0))
Ctwoto(moveleft(Btwoto(x0))) moveleft(Btwoto(Atwoto(x0)))
C0(moveleft(Btwoto(x0))) moveleft(Btwoto(A0(x0)))
Cp(moveleft(Btwoto(x0))) moveleft(Btwoto(Ap(x0)))
Cs(moveleft(Btwoto(x0))) moveleft(Btwoto(As(x0)))
Ctwice(moveleft(Btwoto(x0))) moveleft(Btwoto(Atwice(x0)))
Ctwoto(moveleft(B0(x0))) moveleft(B0(Atwoto(x0)))
C0(moveleft(B0(x0))) moveleft(B0(A0(x0)))
Cp(moveleft(B0(x0))) moveleft(B0(Ap(x0)))
Cs(moveleft(B0(x0))) moveleft(B0(As(x0)))
Ctwice(moveleft(B0(x0))) moveleft(B0(Atwice(x0)))
Ctwoto(moveleft(Bp(x0))) moveleft(Bp(Atwoto(x0)))
C0(moveleft(Bp(x0))) moveleft(Bp(A0(x0)))
Cp(moveleft(Bp(x0))) moveleft(Bp(Ap(x0)))
Cs(moveleft(Bp(x0))) moveleft(Bp(As(x0)))
Ctwice(moveleft(Bp(x0))) moveleft(Bp(Atwice(x0)))
Ctwoto(moveleft(Bs(x0))) moveleft(Bs(Atwoto(x0)))
C0(moveleft(Bs(x0))) moveleft(Bs(A0(x0)))
Cp(moveleft(Bs(x0))) moveleft(Bs(Ap(x0)))
Cs(moveleft(Bs(x0))) moveleft(Bs(As(x0)))
Ctwice(moveleft(Bs(x0))) moveleft(Bs(Atwice(x0)))
Ctwoto(moveleft(Btwice(x0))) moveleft(Btwice(Atwoto(x0)))
C0(moveleft(Btwice(x0))) moveleft(Btwice(A0(x0)))
Cp(moveleft(Btwice(x0))) moveleft(Btwice(Ap(x0)))
Cs(moveleft(Btwice(x0))) moveleft(Btwice(As(x0)))
Ctwice(moveleft(Btwice(x0))) moveleft(Btwice(Atwice(x0)))
cut(moveleft(Btwoto(x0))) Dtwoto(cut(goright(x0)))
cut(moveleft(B0(x0))) D0(cut(goright(x0)))
cut(moveleft(Bp(x0))) Dp(cut(goright(x0)))
cut(moveleft(Bs(x0))) Ds(cut(goright(x0)))
cut(moveleft(Btwice(x0))) Dtwice(cut(goright(x0)))
goright(Atwoto(x0)) Ctwoto(goright(x0))
goright(A0(x0)) C0(goright(x0))
goright(Ap(x0)) Cp(goright(x0))
goright(As(x0)) Cs(goright(x0))
goright(Atwice(x0)) Ctwice(goright(x0))
goright(wait(twoto(x0))) moveleft(Btwoto(wait(x0)))
goright(wait(0(x0))) moveleft(B0(wait(x0)))
goright(wait(p(x0))) moveleft(Bp(wait(x0)))
goright(wait(s(x0))) moveleft(Bs(wait(x0)))
goright(wait(twice(x0))) moveleft(Btwice(wait(x0)))
goright(wait(end(x0))) finish(end(x0))
Ctwoto(finish(x0)) finish(twoto(x0))
C0(finish(x0)) finish(0(x0))
Cp(finish(x0)) finish(p(x0))
Cs(finish(x0)) finish(s(x0))
Ctwice(finish(x0)) finish(twice(x0))
cut(finish(x0)) finish2(x0)
Dtwoto(finish2(x0)) finish2(twoto(x0))
D0(finish2(x0)) finish2(0(x0))
Dp(finish2(x0)) finish2(p(x0))
Ds(finish2(x0)) finish2(s(x0))
Dtwice(finish2(x0)) finish2(twice(x0))
rotate(finish2(x0)) rewrite(x0)
rewrite(twoto(0(x0))) begin(p(p(s(s(s(p(p(p(s(s(s(0(p(p(s(s(x0)))))))))))))))))
rewrite(twoto(s(x0))) begin(p(p(s(s(p(p(p(s(s(s(twice(p(p(s(s(p(p(p(s(s(s(twoto(p(s(p(s(x0)))))))))))))))))))))))))))
rewrite(twice(0(x0))) begin(p(s(p(s(0(s(p(s(s(s(s(p(s(x0))))))))))))))
rewrite(twice(s(x0))) begin(s(p(p(p(p(s(s(s(s(s(twice(p(s(p(s(p(s(p(s(x0))))))))))))))))))))
rewrite(p(p(s(x0)))) begin(p(x0))
rewrite(p(s(x0))) begin(x0)
rewrite(p(0(x0))) begin(0(s(s(s(s(p(s(x0))))))))
rewrite(0(x0)) begin(x0)