Build (method = -2) #dp: 849 Step-3' Graph: 80 vertices and 232 arcs (0.01s) Step-4' Graph: 4 vertices and 80 arcs (0.01s) #V4/#V3 = 0.05 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 43 rows, 81 columns and 240 nonzeros Presolve removed 43 rows and 81 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 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 50 Solution: 1 x [27, 39] 1 x [7, 39] 3 x [24, 38] 4 x [10, 37] 2 x [8, 37] 4 x [6, 36] 1 x [5, 36] 3 x [22, 35] 4 x [3, 34] 3 x [19, 33] 1 x [4, 32] 2 x [1, 31] 3 x [18, 30] 2 x [17, 30] 1 x [2, 29] 2 x [15, 28] 3 x [11, 28] 2 x [12, 26] 2 x [9, 25] 1 x [8, 23] 1 x [7, 21] 1 x [5, 20] 1 x [4, 16] 1 x [2, 14] 1 x [1, 13]