Build (method = -2) #dp: 58 Step-3' Graph: 10 vertices and 30 arcs (0.00s) Step-4' Graph: 8 vertices and 26 arcs (0.00s) #V4/#V3 = 0.80 #A4/#A3 = 0.87 Ready! (0.00s) Optimize a model with 18 rows, 27 columns and 72 nonzeros Presolve removed 18 rows and 27 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 6.400000000000e+01, best bound 6.400000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 64 Solution: 11 x [10] 9 x [3, 8] 5 x [6, 9] 10 x [2, 9] 14 x [7] 1 x [1] 4 x [1, 8] 2 x [5] 8 x [4, 4]