Build (method = -2) #dp: 186 Step-3' Graph: 39 vertices and 121 arcs (0.00s) Step-4' Graph: 30 vertices and 103 arcs (0.00s) #V4/#V3 = 0.77 #A4/#A3 = 0.85 Ready! (0.00s) Optimize a model with 40 rows, 104 columns and 264 nonzeros Presolve removed 14 rows and 20 columns Presolve time: 0.00s Presolved: 26 rows, 84 columns, 222 nonzeros Variable types: 0 continuous, 84 integer (0 binary) Found heuristic solution: objective 836.0000000 Found heuristic solution: objective 723.0000000 Optimize a model with 26 rows, 84 columns and 222 nonzeros Presolved: 26 rows, 84 columns, 222 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.120e+02 Factor NZ : 2.910e+02 Factor Ops : 3.981e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.44242451e+03 -1.24017092e+04 8.75e+03 1.11e-16 3.33e+02 0s 1 1.23500015e+03 -4.96512632e+03 1.64e+03 5.55e-16 6.89e+01 0s 2 8.22667389e+02 -4.00237937e+02 2.45e+01 4.66e-15 7.32e+00 0s 3 6.68689734e+02 4.18264045e+02 2.33e-01 8.88e-16 1.46e+00 0s 4 6.07273686e+02 5.75365947e+02 3.50e-02 2.22e-16 1.86e-01 0s 5 6.00051887e+02 5.99883187e+02 1.65e-04 2.70e-16 9.81e-04 0s 6 6.00000000e+02 6.00000000e+02 2.05e-10 2.91e-16 1.37e-09 0s 7 6.00000000e+02 6.00000000e+02 1.58e-13 1.50e-16 1.53e-15 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 6.00000000e+02 Root relaxation: objective 6.000000e+02, 44 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 600.0000000 600.00000 0.0% - 0s Explored 0 nodes (44 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 6.000000000000e+02, best bound 6.000000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.01 seconds Objective: 600 Solution: 77 x [8] 76 x [6] 44 x [3, 5, 9] 64 x [3, 9] 29 x [1] 111 x [1, 2, 5] 84 x [7] 1 x [3, 7] 6 x [3, 3, 7] 97 x [4] 9 x [4, 10] 2 x [2, 2, 4]