Build (method = -2) #dp: 996 Step-3' Graph: 88 vertices and 256 arcs (0.00s) Step-4' Graph: 4 vertices and 88 arcs (0.00s) #V4/#V3 = 0.05 #A4/#A3 = 0.34 Ready! (0.00s) Optimize a model with 47 rows, 89 columns and 264 nonzeros Presolve removed 47 rows and 89 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: 3 x [10, 43] 2 x [23, 42] 2 x [20, 41] 5 x [16, 40] 3 x [8, 39] 1 x [31, 38] 2 x [19, 37] 3 x [3, 36] 5 x [5, 35] 2 x [18, 34] 1 x [29, 33] 4 x [15, 32] 2 x [14, 31] 4 x [13, 30] 2 x [9, 29] 4 x [11, 28] 5 x [4, 27] 2 x [2, 27] 1 x [22, 26] 2 x [1, 26] 1 x [21, 25] 1 x [17, 25] 1 x [12, 25] 1 x [7, 24] 1 x [6, 24]