Build (method = -2) #dp: 98 Step-3' Graph: 20 vertices and 65 arcs (0.00s) Step-4' Graph: 14 vertices and 53 arcs (0.00s) #V4/#V3 = 0.70 #A4/#A3 = 0.82 Ready! (0.00s) Optimize a model with 24 rows, 54 columns and 141 nonzeros Presolve removed 7 rows and 9 columns Presolve time: 0.00s Presolved: 17 rows, 45 columns, 116 nonzeros Variable types: 0 continuous, 45 integer (0 binary) Found heuristic solution: objective 827.0000000 Found heuristic solution: objective 825.0000000 Optimize a model with 17 rows, 45 columns and 116 nonzeros Presolved: 17 rows, 45 columns, 116 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.900e+01 Factor NZ : 1.530e+02 Factor Ops : 1.785e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.24695670e+03 -3.60549764e+03 2.25e+03 2.22e-16 1.56e+02 0s 1 9.24341452e+02 -8.54054214e+02 1.18e+02 1.78e-15 2.17e+01 0s 2 6.48532653e+02 1.75737933e+02 7.76e-01 1.03e-15 4.99e+00 0s 3 4.95130787e+02 4.28969429e+02 7.28e-06 9.23e-16 6.96e-01 0s 4 4.73285756e+02 4.64172364e+02 4.61e-07 8.88e-16 9.59e-02 0s 5 4.71101492e+02 4.70431011e+02 6.04e-08 5.57e-16 7.06e-03 0s 6 4.70750095e+02 4.70749948e+02 1.92e-11 1.11e-15 1.55e-06 0s 7 4.70750000e+02 4.70750000e+02 1.01e-12 6.78e-16 1.56e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 4.70750000e+02 Root relaxation: objective 4.707500e+02, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 470.75000 0 6 825.00000 470.75000 42.9% - 0s H 0 0 471.0000000 470.75000 0.05% - 0s Explored 0 nodes (20 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 4.710000000000e+02, best bound 4.710000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 471 Solution: 129 x [3, 5] 20 x [1, 8] 33 x [1, 4] 81 x [4, 6] 103 x [2, 7] 1 x [2, 9] 40 x [9, 9] 11 x [2, 5, 6] 20 x [2, 10, 10] 19 x [2, 2] 1 x [5, 5, 10] 13 x [5, 5, 10, 10]