Build (method = -2) #dp: 81 Step-3' Graph: 16 vertices and 47 arcs (0.00s) Step-4' Graph: 9 vertices and 33 arcs (0.00s) #V4/#V3 = 0.56 #A4/#A3 = 0.70 Ready! (0.00s) Optimize a model with 19 rows, 34 columns and 90 nonzeros Presolve removed 7 rows and 7 columns Presolve time: 0.00s Presolved: 12 rows, 27 columns, 71 nonzeros Variable types: 0 continuous, 27 integer (0 binary) Found heuristic solution: objective 998.0000000 Found heuristic solution: objective 642.0000000 Optimize a model with 12 rows, 27 columns and 71 nonzeros Presolved: 12 rows, 27 columns, 71 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.100e+01 Factor NZ : 7.800e+01 Factor Ops : 6.500e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.75333921e+03 -2.11408988e+03 1.44e+03 2.22e-16 1.35e+02 0s 1 8.19857582e+02 -9.58556877e+01 3.41e-13 2.22e-16 1.56e+01 0s 2 6.47733427e+02 3.80466301e+02 4.55e-13 2.22e-16 4.53e+00 0s 3 5.42605774e+02 5.19286077e+02 1.14e-13 1.11e-16 3.95e-01 0s 4 5.33357875e+02 5.31008605e+02 2.84e-13 1.12e-16 3.98e-02 0s 5 5.32600798e+02 5.32418681e+02 5.68e-14 2.22e-16 3.09e-03 0s 6 5.32500036e+02 5.32499946e+02 9.95e-14 1.11e-16 1.52e-06 0s 7 5.32500000e+02 5.32500000e+02 9.21e-12 2.22e-16 1.52e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 5.32500000e+02 Root relaxation: objective 5.325000e+02, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 532.50000 0 2 642.00000 532.50000 17.1% - 0s H 0 0 533.0000000 532.50000 0.09% - 0s Explored 0 nodes (12 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.330000000000e+02, best bound 5.330000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 533 Solution: 50 x [6, 8] 49 x [2, 4] 25 x [4, 8] 14 x [10] 110 x [5, 10] 51 x [7] 122 x [2, 7] 63 x [1, 3] 46 x [3, 9] 1 x [9] 2 x [9, 9]