Build (method = -2) #dp: 1090 Step-3' Graph: 92 vertices and 268 arcs (0.01s) Step-4' Graph: 4 vertices and 92 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 49 rows, 93 columns and 276 nonzeros Presolve removed 49 rows and 93 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: 2 x [27, 45] 3 x [21, 44] 4 x [7, 43] 5 x [3, 42] 2 x [3, 41] 1 x [13, 40] 4 x [15, 39] 3 x [20, 38] 1 x [12, 37] 1 x [11, 36] 1 x [6, 35] 1 x [5, 34] 3 x [18, 33] 1 x [2, 33] 2 x [1, 32] 3 x [17, 31] 1 x [13, 30] 3 x [10, 30] 1 x [12, 29] 1 x [11, 28] 2 x [16, 26] 1 x [7, 25] 3 x [9, 24] 6 x [6, 23] 1 x [6, 22] 1 x [5, 19] 1 x [3, 14] 1 x [2, 8] 1 x [1, 4]