Build (method = -2) #dp: 834 Step-3' Graph: 80 vertices and 233 arcs (0.00s) Step-4' Graph: 4 vertices and 81 arcs (0.00s) #V4/#V3 = 0.05 #A4/#A3 = 0.35 Ready! (0.00s) Optimize a model with 44 rows, 82 columns and 242 nonzeros Presolve removed 44 rows and 82 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 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 25 Solution: 1 x [32, 40] 1 x [32, 39] 1 x [28, 38] 1 x [28, 37] 1 x [26, 36] 1 x [25, 35] 1 x [24, 34] 1 x [24, 33] 1 x [23, 31] 1 x [23, 30] 1 x [20, 29] 1 x [20, 27] 1 x [14, 22] 1 x [8, 21] 1 x [6, 19] 1 x [6, 18] 1 x [6, 17] 1 x [5, 16] 1 x [4, 15] 1 x [4, 13] 1 x [4, 12] 1 x [3, 11] 1 x [3, 10] 1 x [2, 9] 1 x [1, 7]