YES
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
b(a(a(b(a(x0))))) | → | a(a(b(b(a(a(b(x0))))))) |
a(b(a(a(b(x0))))) | → | b(a(a(b(b(a(a(x0))))))) |
final states:
{1}
transitions:
5 | → | 9 |
1 | → | 3 |
1 | → | 10 |
16 | → | 4 |
16 | → | 11 |
a1(9) | → | 10 |
a1(14) | → | 15 |
a1(10) | → | 11 |
a1(13) | → | 14 |
a0(7) | → | 8 |
a0(2) | → | 3 |
a0(6) | → | 7 |
a0(3) | → | 4 |
b0(8) | → | 1 |
b0(4) | → | 5 |
b0(5) | → | 6 |
f20 | → | 2 |
b1(15) | → | 16 |
b1(12) | → | 13 |
b1(11) | → | 12 |