Build (method = -2) #dp: 97 Step-3' Graph: 11 vertices and 39 arcs (0.00s) Step-4' Graph: 6 vertices and 29 arcs (0.00s) #V4/#V3 = 0.55 #A4/#A3 = 0.74 Ready! (0.00s) Optimize a model with 26 rows, 30 columns and 83 nonzeros Presolve removed 26 rows and 30 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 6.310000000000e+02, best bound 6.310000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 631 Solution: 55 x [20] 39 x [13] 4 x [7] 31 x [5, 10] 31 x [2, 10] 8 x [18] 33 x [11] 23 x [10, 15] 55 x [4] 37 x [3] 75 x [19] 13 x [8, 10] 20 x [1, 16] 33 x [6, 16] 21 x [14, 16] 82 x [12] 53 x [9] 1 x [17] 17 x [17, 17]