Build (method = -2) #dp: 1120 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: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 60 Solution: 1 x [28, 46] 3 x [44, 45] 3 x [22, 43] 4 x [5, 42] 5 x [13, 41] 1 x [3, 40] 5 x [12, 39] 1 x [2, 39] 3 x [19, 38] 1 x [25, 37] 1 x [18, 36] 3 x [15, 36] 2 x [4, 35] 1 x [17, 34] 1 x [9, 33] 1 x [8, 32] 3 x [11, 31] 3 x [10, 30] 1 x [3, 30] 1 x [2, 29] 5 x [1, 27] 1 x [25, 26] 3 x [6, 26] 1 x [18, 24] 1 x [17, 23] 1 x [9, 21] 1 x [8, 20] 1 x [4, 16] 1 x [3, 14] 1 x [2, 7]