Build (method = -2) #dp: 105 Step-3' Graph: 13 vertices and 47 arcs (0.00s) Step-4' Graph: 11 vertices and 43 arcs (0.00s) #V4/#V3 = 0.85 #A4/#A3 = 0.91 Ready! (0.00s) Optimize a model with 31 rows, 44 columns and 118 nonzeros Presolve removed 31 rows and 44 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 5.650000000000e+02, best bound 5.650000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 565 Solution: 22 x [15] 33 x [10] 43 x [8] 24 x [18] 89 x [19] 27 x [12] 20 x [4] 55 x [13] 5 x [6, 16] 17 x [11, 16] 13 x [17] 4 x [17, 20] 6 x [9, 20] 39 x [2] 23 x [7] 43 x [1] 19 x [5, 20] 42 x [3] 1 x [14] 40 x [14, 14]