Build (method = -2) #dp: 1208 Step-3' Graph: 97 vertices and 284 arcs (0.01s) Step-4' Graph: 4 vertices and 98 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.35 Ready! (0.01s) Optimize a model with 52 rows, 99 columns and 293 nonzeros Presolve removed 52 rows and 99 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 [44, 48] 2 x [29, 48] 3 x [24, 47] 4 x [23, 46] 3 x [17, 45] 1 x [17, 43] 3 x [13, 42] 1 x [12, 41] 2 x [21, 40] 3 x [11, 39] 3 x [7, 38] 1 x [12, 37] 5 x [22, 36] 1 x [11, 35] 1 x [10, 34] 2 x [15, 33] 3 x [6, 32] 2 x [14, 31] 3 x [2, 30] 5 x [9, 28] 1 x [10, 27] 1 x [8, 26] 4 x [20, 25] 1 x [8, 19] 1 x [6, 18] 1 x [5, 16] 1 x [4, 5] 1 x [1, 3]