Build (method = -2) #dp: 1249 Step-3' Graph: 100 vertices and 292 arcs (0.01s) Step-4' Graph: 4 vertices and 100 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 53 rows, 101 columns and 300 nonzeros Presolve removed 53 rows and 101 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: 0.01 seconds Objective: 60 Solution: 2 x [48, 49] 1 x [38, 47] 5 x [10, 47] 2 x [28, 46] 4 x [13, 45] 2 x [25, 44] 5 x [7, 43] 2 x [24, 42] 3 x [27, 41] 2 x [23, 40] 3 x [20, 39] 1 x [32, 37] 3 x [19, 37] 2 x [22, 36] 2 x [16, 35] 2 x [11, 35] 1 x [31, 34] 1 x [26, 34] 2 x [5, 34] 2 x [3, 34] 2 x [1, 34] 1 x [21, 33] 1 x [18, 33] 1 x [17, 33] 1 x [15, 30] 1 x [14, 30] 1 x [12, 30] 1 x [9, 30] 1 x [8, 30] 1 x [6, 29] 1 x [4, 29] 1 x [2, 29]