TIME: 60


SCC: 11
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Global Ranking Function: nat(1*A)

  FactSum_factorial(I)I(A) :- FactSum_factorial(I)I(B) [1*B>=0,1*A+ -1*B=1]
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SCC: 12
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Global Ranking Function: nat(1*A+1)

  6_loop(A,B) :- 6_loop(C,D) [1*C>= -1,1*A+ -1*C=1]
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