Build (method = -2) #dp: 1251 Step-3' Graph: 99 vertices and 290 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 299 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: 4 x [24, 49] 2 x [21, 49] 2 x [19, 48] 2 x [18, 47] 3 x [8, 46] 1 x [28, 45] 4 x [11, 45] 1 x [20, 44] 4 x [3, 44] 3 x [17, 43] 1 x [14, 43] 2 x [16, 42] 1 x [37, 41] 2 x [4, 40] 3 x [6, 39] 2 x [2, 38] 1 x [13, 37] 1 x [34, 36] 1 x [12, 36] 2 x [33, 35] 1 x [10, 35] 3 x [15, 32] 1 x [9, 32] 1 x [30, 31] 3 x [23, 31] 1 x [7, 31] 1 x [25, 29] 2 x [26, 27] 1 x [5, 27] 3 x [22, 25] 1 x [1, 25]