Build (method = -2) #dp: 1235 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: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 60 Solution: 1 x [45, 49] 1 x [31, 49] 1 x [12, 48] 3 x [37, 47] 4 x [38, 46] 1 x [28, 45] 1 x [9, 44] 3 x [29, 43] 3 x [2, 42] 5 x [18, 41] 2 x [15, 40] 1 x [5, 39] 1 x [4, 38] 2 x [13, 36] 2 x [11, 35] 2 x [8, 34] 4 x [16, 33] 2 x [1, 32] 4 x [7, 30] 1 x [15, 27] 4 x [3, 26] 1 x [13, 25] 1 x [12, 24] 3 x [20, 23] 1 x [11, 22] 1 x [9, 21] 1 x [8, 19] 1 x [5, 17] 1 x [4, 14] 1 x [2, 10] 1 x [1, 6]