TIME: 160


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

  8_loop(A,B) :- 8_loop(C,D) [1*B+ -1*D= -1,1*A+ -1*C=0,1*A+ -1*D>= -1]
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SCC: 8
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Global Ranking Function: nat(1*A+1)

  4_loop(A,B) :- 4_loop(C,D) [-1*C+1*D>=3,1*C>= -1,1*A+ -1*C=1]
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