NO
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
Begin(b(x0)) | → | Wait(Right1(x0)) |
Begin(a(x0)) | → | Wait(Right2(x0)) |
Begin(f(x0)) | → | Wait(Right3(x0)) |
Right1(a(End(x0))) | → | Left(d(End(x0))) |
Right2(b(End(x0))) | → | Left(a(b(End(x0)))) |
Right3(d(End(x0))) | → | Left(f(a(b(End(x0))))) |
Right1(a(x0)) | → | Aa(Right1(x0)) |
Right2(a(x0)) | → | Aa(Right2(x0)) |
Right3(a(x0)) | → | Aa(Right3(x0)) |
Right1(b(x0)) | → | Ab(Right1(x0)) |
Right2(b(x0)) | → | Ab(Right2(x0)) |
Right3(b(x0)) | → | Ab(Right3(x0)) |
Right1(d(x0)) | → | Ad(Right1(x0)) |
Right2(d(x0)) | → | Ad(Right2(x0)) |
Right3(d(x0)) | → | Ad(Right3(x0)) |
Right1(f(x0)) | → | Af(Right1(x0)) |
Right2(f(x0)) | → | Af(Right2(x0)) |
Right3(f(x0)) | → | Af(Right3(x0)) |
Aa(Left(x0)) | → | Left(a(x0)) |
Ab(Left(x0)) | → | Left(b(x0)) |
Ad(Left(x0)) | → | Left(d(x0)) |
Af(Left(x0)) | → | Left(f(x0)) |
Wait(Left(x0)) | → | Begin(x0) |
a(b(x0)) | → | d(x0) |
b(a(x0)) | → | a(b(x0)) |
d(f(x0)) | → | f(a(b(x0))) |
t0 | = | Begin(a(b(End(x1981)))) |
→ε | Wait(Right2(b(End(x1981)))) | |
→1 | Wait(Left(a(b(End(x1981))))) | |
→ε | Begin(a(b(End(x1981)))) | |
= | t3 |