Build (method = -2) #dp: 1129 Step-3' Graph: 93 vertices and 272 arcs (0.01s) Step-4' Graph: 4 vertices and 94 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.35 Ready! (0.01s) Optimize a model with 50 rows, 95 columns and 281 nonzeros Presolve removed 50 rows and 95 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 6.000000000000e+01, best bound 6.000000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 60 Solution: 3 x [13, 46] 5 x [5, 45] 4 x [23, 44] 4 x [3, 43] 3 x [12, 42] 3 x [24, 41] 1 x [7, 41] 2 x [26, 40] 3 x [18, 39] 1 x [7, 39] 3 x [9, 38] 3 x [16, 37] 1 x [7, 37] 1 x [6, 36] 1 x [6, 35] 2 x [25, 34] 1 x [6, 33] 3 x [14, 32] 1 x [4, 32] 1 x [4, 31] 2 x [21, 30] 2 x [20, 29] 3 x [8, 28] 2 x [17, 27] 1 x [4, 22] 1 x [2, 19] 1 x [2, 15] 1 x [2, 11] 1 x [1, 10]