TIME: 200


SCC: 7
=================================
Global Ranking Function: nat(1*A+1*B)

  5_loop(A,B) :- 5_loop(C,D) [1*C+ -1*D= -1,1*A+ -1*C=1,1*B+ -1*C=1,2*C>= -1]
  5_loop(A,B) :- 5_loop(C,D) [1*B+ -1*D=1,1*A+ -1*C=0,1*A+1*D>=0,-1*A+1*D>=0]
  5_loop(A,B) :- 5_loop(C,D) [1*B+ -1*D=0,1*A+ -1*C=1,1*A+1*D>=1,1*A+ -1*D>=1]
=================================