Build (method = -2) #dp: 815 Step-3' Graph: 78 vertices and 226 arcs (0.00s) Step-4' Graph: 4 vertices and 78 arcs (0.01s) #V4/#V3 = 0.05 #A4/#A3 = 0.35 Ready! (0.01s) Optimize a model with 42 rows, 79 columns and 234 nonzeros Presolve removed 42 rows and 79 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 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 50 Solution: 4 x [5, 8] 3 x [4, 12] 3 x [3, 24] 2 x [2, 18] 3 x [1, 14] 4 x [25, 38] 1 x [35, 37] 2 x [15, 36] 2 x [13, 35] 2 x [11, 34] 1 x [23, 33] 2 x [10, 33] 2 x [9, 32] 2 x [7, 31] 1 x [22, 30] 2 x [6, 30] 4 x [17, 29] 1 x [21, 28] 1 x [19, 28] 1 x [16, 28] 1 x [12, 27] 1 x [8, 27] 5 x [20, 26]