Build (method = -2) #dp: 265 Step-3' Graph: 30 vertices and 94 arcs (0.00s) Step-4' Graph: 4 vertices and 42 arcs (0.00s) #V4/#V3 = 0.13 #A4/#A3 = 0.45 Ready! (0.00s) Optimize a model with 24 rows, 43 columns and 126 nonzeros Presolve removed 24 rows and 43 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 1.980000000000e+02, best bound 1.980000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 198 Solution: 1 x [8, 10] 9 x [8, 8] 4 x [4, 18] 31 x [4, 11] 1 x [13, 15] 7 x [6, 13] 9 x [13, 17] 4 x [1, 3] 1 x [1, 12] 29 x [1, 9] 21 x [16, 19] 26 x [5, 10] 27 x [14, 15] 6 x [16, 20] 3 x [7, 20] 18 x [2, 7] 1 x [12]