Build (method = -2) #dp: 42 Step-3' Graph: 13 vertices and 32 arcs (0.00s) Step-4' Graph: 5 vertices and 16 arcs (0.00s) #V4/#V3 = 0.38 #A4/#A3 = 0.50 Ready! (0.00s) Optimize a model with 15 rows, 17 columns and 45 nonzeros Presolve removed 15 rows and 17 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 [1] 11 x [2] 13 x [3] 2 x [4] 2 x [4, 10] 1 x [5] 5 x [5, 9] 8 x [6, 9] 18 x [7] 12 x [8]