YES
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
a(b(a(a(x0)))) | → | c(b(a(b(a(x0))))) |
a(c(b(x0))) | → | a(a(b(c(b(a(x0)))))) |
a(a(b(a(x0)))) | → | a(b(a(b(c(x0))))) |
b(c(a(x0))) | → | a(b(c(b(a(a(x0)))))) |
final states:
{7, 1}
transitions:
18 | → | 9 |
31 | → | 15 |
1 | → | 9 |
1 | → | 8 |
4 | → | 13 |
12 | → | 25 |
7 | → | 4 |
c1(13) | → | 14 |
c1(28) | → | 29 |
b1(14) | → | 15 |
b1(29) | → | 30 |
b1(27) | → | 28 |
b1(16) | → | 17 |
f30 | → | 2 |
a0(8) | → | 9 |
a0(2) | → | 8 |
a0(12) | → | 7 |
a0(6) | → | 1 |
a0(4) | → | 5 |
c0(10) | → | 11 |
c0(2) | → | 3 |
a1(30) | → | 31 |
a1(25) | → | 26 |
a1(26) | → | 27 |
a1(17) | → | 18 |
a1(15) | → | 16 |
b0(5) | → | 6 |
b0(9) | → | 10 |
b0(11) | → | 12 |
b0(3) | → | 4 |