Build (method = -2) #dp: 106 Step-3' Graph: 14 vertices and 48 arcs (0.00s) Step-4' Graph: 7 vertices and 34 arcs (0.00s) #V4/#V3 = 0.50 #A4/#A3 = 0.71 Ready! (0.00s) Optimize a model with 27 rows, 35 columns and 96 nonzeros Presolve removed 27 rows and 35 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 1.137000000000e+03, best bound 1.137000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 1137 Solution: 95 x [20] 63 x [15] 80 x [5] 65 x [18] 81 x [6] 42 x [8] 92 x [3] 65 x [16] 68 x [7] 2 x [7, 17] 81 x [10] 98 x [12] 76 x [17, 19] 81 x [2] 11 x [2, 11] 1 x [2, 14] 14 x [1, 9] 42 x [1, 14] 60 x [4, 13] 1 x [4, 9] 19 x [4, 4]