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

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

state f0:
4003

state f8:
4002+(-2*A)

state f14:
4001+(-2*B)

state f23:
2001+(-2*A)

state f28:
2000+(-2*A)

state f38:
0

state ____f0:
4004


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

/---
/
| 1 >= 0
\

(((((1+1001)+1000)+1001)+1000)+1)+1

\---