a>=axc0
a<a*c2axa+a*c2axc1Aa<=c0a+a*c2axc1
variant decrease
precondition
a>=V0c0Aa<a*c2V0a+a*c2V0c1Aa<=c0a+a*c2V0c1Ia>=V0c0Ia>=V0c0F
VC for f
a>=ayc0
Na=ayc0
a<a+a*c2a-ayc1c1a*c2ayAa<=c0a*c2ay
a>=a-ayc1c0
a>=V1c0Aa<a+a*c2V1c1a*c2V0Aa<=c0a*c2V0La-V0c1INa=V0c0Ia>=V0c0Ia>=V0c0F
VC for g

1e08b4b5734c7052d598347958293c5e 5H4
cfbb789549f547afd5f4f5382bc0c752 2H1H0H0
5156889a70263fa5f744f3ee65b5c923 3H0H0H0
ccb29c851cf8b7b3f8bc1e1b777d23d6 11H10
be80880665ad23471743b0c6a8554dbe 2H8H7H6H6
4d3b558c023e0cf214bbedcdc748d4da 3H9H7H6H6
