Build (method = -2) #dp: 961 Step-3' Graph: 86 vertices and 250 arcs (0.01s) Step-4' Graph: 4 vertices and 86 arcs (0.01s) #V4/#V3 = 0.05 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 46 rows, 87 columns and 258 nonzeros Presolve removed 46 rows and 87 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: 0.02 seconds Objective: 50 Solution: 1 x [32, 42] 3 x [14, 42] 2 x [2, 41] 2 x [20, 40] 1 x [15, 39] 1 x [13, 38] 1 x [7, 37] 3 x [12, 36] 1 x [6, 35] 3 x [8, 34] 1 x [1, 33] 3 x [22, 31] 1 x [15, 30] 6 x [16, 29] 1 x [14, 29] 4 x [5, 28] 3 x [21, 27] 1 x [13, 26] 2 x [19, 25] 3 x [4, 24] 1 x [12, 23] 1 x [8, 18] 1 x [7, 17] 1 x [6, 11] 1 x [5, 10] 1 x [2, 9] 1 x [1, 3]