Build (method = -2) #dp: 92 Step-3' Graph: 22 vertices and 58 arcs (0.00s) Step-4' Graph: 4 vertices and 22 arcs (0.00s) #V4/#V3 = 0.18 #A4/#A3 = 0.38 Ready! (0.00s) Optimize a model with 14 rows, 23 columns and 66 nonzeros Presolve removed 14 rows and 23 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: 7 x [2, 4] 2 x [2, 7] 1 x [1, 2] 3 x [2, 10] 17 x [1, 8] 5 x [3, 9] 13 x [6, 7] 2 x [5, 7]