Build (method = -2) #dp: 694 Step-3' Graph: 48 vertices and 170 arcs (0.00s) Step-4' Graph: 4 vertices and 82 arcs (0.00s) #V4/#V3 = 0.08 #A4/#A3 = 0.48 Ready! (0.00s) Optimize a model with 44 rows, 83 columns and 246 nonzeros Presolve removed 44 rows and 83 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 4.180000000000e+02, best bound 4.180000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 418 Solution: 1 x [8] 12 x [8, 37] 6 x [6, 8] 6 x [29, 34] 35 x [4, 22] 27 x [15, 35] 33 x [25, 32] 17 x [7, 13] 34 x [30, 39] 5 x [36, 38] 3 x [31, 33] 4 x [18, 26] 31 x [11, 26] 4 x [1, 3] 30 x [1, 23] 21 x [19, 36] 26 x [5, 16] 15 x [24, 27] 27 x [10, 14] 1 x [16, 40] 2 x [12, 40] 9 x [17, 20] 18 x [2, 29] 16 x [28, 31] 1 x [15, 21] 4 x [7, 21] 1 x [6, 21] 29 x [9, 21]