Build (method = -2) #dp: 257 Step-3' Graph: 40 vertices and 112 arcs (0.00s) Step-4' Graph: 4 vertices and 40 arcs (0.00s) #V4/#V3 = 0.10 #A4/#A3 = 0.36 Ready! (0.00s) Optimize a model with 23 rows, 41 columns and 120 nonzeros Presolve removed 23 rows and 41 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 1.000000000000e+02, best bound 1.000000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 100 Solution: 7 x [10, 18] 9 x [3, 19] 1 x [1, 12] 1 x [1, 2] 12 x [4, 14] 1 x [4, 10] 18 x [9, 11] 17 x [11, 15] 11 x [8, 13] 4 x [8, 16] 1 x [7, 17] 10 x [5, 17] 4 x [6, 7] 4 x [3, 16]