TIME: 120


SCC: 7
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Global Ranking Function: log(4,nat(1/2*A+ -1/2*B+1/2)+3)

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