ILOG CPLEX 10.000, licensed to "nvl-australia", options: e m b q use=10 
inc_avf = array1d(1..3, [1.0, 2.0, 2.0]);
max_vf1 = 0.0;
max_vf2 = 0.0;
min_vf1 = 0.0;
min_vf2 = 0.0;
----------