Build (method = -2) #dp: 1128 Step-3' Graph: 93 vertices and 271 arcs (0.01s) Step-4' Graph: 4 vertices and 93 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 50 rows, 94 columns and 279 nonzeros Presolve removed 50 rows and 94 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: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 60 Solution: 1 x [29, 46] 1 x [24, 45] 4 x [23, 45] 1 x [14, 44] 3 x [22, 43] 4 x [21, 42] 1 x [10, 42] 3 x [16, 41] 2 x [28, 40] 1 x [6, 39] 4 x [1, 39] 2 x [27, 38] 3 x [9, 38] 3 x [8, 37] 6 x [17, 36] 2 x [26, 35] 3 x [7, 34] 1 x [4, 33] 2 x [25, 32] 2 x [20, 31] 1 x [3, 31] 2 x [19, 30] 2 x [18, 30] 1 x [15, 17] 1 x [13, 14] 1 x [10, 12] 1 x [6, 11] 1 x [4, 5] 1 x [2, 3]