Build (method = -2) #dp: 48 Step-3' Graph: 15 vertices and 38 arcs (0.00s) Step-4' Graph: 7 vertices and 22 arcs (0.00s) #V4/#V3 = 0.47 #A4/#A3 = 0.58 Ready! (0.00s) Optimize a model with 17 rows, 23 columns and 59 nonzeros Presolve removed 17 rows and 23 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 6.690000000000e+02, best bound 6.690000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 669 Solution: 45 x [1] 64 x [2] 113 x [2, 10] 60 x [3] 1 x [3, 9] 136 x [4, 8] 18 x [4, 9] 21 x [5, 9] 169 x [6] 42 x [6, 7]