Build (method = -2) #dp: 46 Step-3' Graph: 11 vertices and 29 arcs (0.00s) Step-4' Graph: 6 vertices and 19 arcs (0.00s) #V4/#V3 = 0.55 #A4/#A3 = 0.66 Ready! (0.00s) Optimize a model with 16 rows, 20 columns and 53 nonzeros Presolve removed 16 rows and 20 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 8.500000000000e+01, best bound 8.500000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 85 Solution: 13 x [4] 11 x [5] 13 x [3] 3 x [1] 1 x [1, 7] 5 x [9, 10] 1 x [7, 9] 8 x [8, 10] 18 x [6] 12 x [2]