MAYBE
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(a(x0)) | → | Wait(Right3(x0)) | 
| Begin(b(x0)) | → | Wait(Right4(x0)) | 
| Right1(A(End(x0))) | → | Left(b(a(B(A(End(x0)))))) | 
| Right2(B(End(x0))) | → | Left(a(b(A(B(End(x0)))))) | 
| Right3(A(End(x0))) | → | Left(End(x0)) | 
| Right4(B(End(x0))) | → | Left(End(x0)) | 
| Right1(A(x0)) | → | AA(Right1(x0)) | 
| Right2(A(x0)) | → | AA(Right2(x0)) | 
| Right3(A(x0)) | → | AA(Right3(x0)) | 
| Right4(A(x0)) | → | AA(Right4(x0)) | 
| Right1(b(x0)) | → | Ab(Right1(x0)) | 
| Right2(b(x0)) | → | Ab(Right2(x0)) | 
| Right3(b(x0)) | → | Ab(Right3(x0)) | 
| Right4(b(x0)) | → | Ab(Right4(x0)) | 
| Right1(a(x0)) | → | Aa(Right1(x0)) | 
| Right2(a(x0)) | → | Aa(Right2(x0)) | 
| Right3(a(x0)) | → | Aa(Right3(x0)) | 
| Right4(a(x0)) | → | Aa(Right4(x0)) | 
| Right1(B(x0)) | → | AB(Right1(x0)) | 
| Right2(B(x0)) | → | AB(Right2(x0)) | 
| Right3(B(x0)) | → | AB(Right3(x0)) | 
| Right4(B(x0)) | → | AB(Right4(x0)) | 
| AA(Left(x0)) | → | Left(A(x0)) | 
| Ab(Left(x0)) | → | Left(b(x0)) | 
| Aa(Left(x0)) | → | Left(a(x0)) | 
| AB(Left(x0)) | → | Left(B(x0)) | 
| Wait(Left(x0)) | → | Begin(x0) | 
| A(b(x0)) | → | b(a(B(A(x0)))) | 
| B(a(x0)) | → | a(b(A(B(x0)))) | 
| A(a(x0)) | → | x0 | 
| B(b(x0)) | → | x0 | 
| Begin(b(x0)) | → | Wait(Right1(x0)) | 
| Begin(a(x0)) | → | Wait(Right2(x0)) | 
| Begin(a(x0)) | → | Wait(Right3(x0)) | 
| Begin(b(x0)) | → | Wait(Right4(x0)) | 
| Right1(A(End(x0))) | → | Left(b(a(B(A(End(x0)))))) | 
| Right2(B(End(x0))) | → | Left(a(b(A(B(End(x0)))))) | 
| Right3(A(End(x0))) | → | Left(End(x0)) | 
| Right4(B(End(x0))) | → | Left(End(x0)) | 
| Right1(A(x0)) | → | AA(Right1(x0)) | 
| Right2(A(x0)) | → | AA(Right2(x0)) | 
| Right3(A(x0)) | → | AA(Right3(x0)) | 
| Right4(A(x0)) | → | AA(Right4(x0)) | 
| Right1(b(x0)) | → | Ab(Right1(x0)) | 
| Right2(b(x0)) | → | Ab(Right2(x0)) | 
| Right3(b(x0)) | → | Ab(Right3(x0)) | 
| Right4(b(x0)) | → | Ab(Right4(x0)) | 
| Right1(a(x0)) | → | Aa(Right1(x0)) | 
| Right2(a(x0)) | → | Aa(Right2(x0)) | 
| Right3(a(x0)) | → | Aa(Right3(x0)) | 
| Right4(a(x0)) | → | Aa(Right4(x0)) | 
| Right1(B(x0)) | → | AB(Right1(x0)) | 
| Right2(B(x0)) | → | AB(Right2(x0)) | 
| Right3(B(x0)) | → | AB(Right3(x0)) | 
| Right4(B(x0)) | → | AB(Right4(x0)) | 
| AA(Left(x0)) | → | Left(A(x0)) | 
| Ab(Left(x0)) | → | Left(b(x0)) | 
| Aa(Left(x0)) | → | Left(a(x0)) | 
| AB(Left(x0)) | → | Left(B(x0)) | 
| Wait(Left(x0)) | → | Begin(x0) | 
| A(b(x0)) | → | b(a(B(A(x0)))) | 
| B(a(x0)) | → | a(b(A(B(x0)))) | 
| A(a(x0)) | → | x0 | 
| B(b(x0)) | → | x0 |