WARNING: state f1 is unreachable
WARNING: state f2 is unreachable

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

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

state f0:
11+(-1*A)

state f4:
0

state f1:

state f2:

state f3:
12

state ____f3:
13


Ranking:unimodularize: empty ranking function