==> YES, main.fstb terminates. max_dim = 1

+-----------------------------------------------------------------------------+
|                             Ranking Function                                |
+-----------------------------------------------------------------------------+

state f0:
21

state f5:
22+(-1*A)

state f8:
0

state ____f0:
22


+-----------------------------------------------------------------------------+
|                         Worst Case Execution Time                           |
+-----------------------------------------------------------------------------+

/---
/
| 1 >= 0
\

((1+20)+1)+1

\---