Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:28:54 2013 Optimize a model with 869 rows, 62489 columns and 124899 nonzeros Presolve time: 0.09s Presolved: 869 rows, 62489 columns, 124899 nonzeros Variable types: 62410 continuous, 79 integer (79 binary) Root relaxation: objective 9.511561e+04, 2556 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95115.6122 0 10 - 95115.6122 - - 0s H 0 0 100715.00000 95115.6122 5.56% - 0s 0 0 95344.7592 0 8 100715.000 95344.7592 5.33% - 0s H 0 0 100573.00000 95344.7592 5.20% - 0s 0 0 95357.4938 0 5 100573.000 95357.4938 5.19% - 0s H 0 0 99841.295254 95357.4938 4.49% - 0s H 0 0 99098.000000 95357.4938 3.77% - 0s 0 0 95357.4938 0 5 99098.0000 95357.4938 3.77% - 0s H 0 0 99027.000000 95357.4938 3.71% - 0s 0 0 95357.5738 0 4 99027.0000 95357.5738 3.71% - 0s 0 0 95359.1321 0 6 99027.0000 95359.1321 3.70% - 1s H 0 0 97001.000000 95359.1321 1.69% - 1s 0 0 95359.7345 0 6 97001.0000 95359.7345 1.69% - 1s 0 0 95359.7766 0 7 97001.0000 95359.7766 1.69% - 1s 0 0 95359.8887 0 4 97001.0000 95359.8887 1.69% - 1s 0 0 95360.0009 0 7 97001.0000 95360.0009 1.69% - 1s 0 0 95360.0700 0 4 97001.0000 95360.0700 1.69% - 1s 0 0 95360.0700 0 4 97001.0000 95360.0700 1.69% - 1s 0 0 95360.0700 0 10 97001.0000 95360.0700 1.69% - 2s H 0 0 96394.000000 95360.0700 1.07% - 2s 0 0 95360.0700 0 8 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 5 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 6 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 6 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 4 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 4 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 7 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 4 96394.0000 95360.0700 1.07% - 2s 0 0 95360.0700 0 4 96394.0000 95360.0700 1.07% - 3s 0 2 95360.6598 0 4 96394.0000 95360.6598 1.07% - 3s H 10 10 96391.000000 95374.6576 1.05% 40.2 3s H 15 15 96371.625000 95374.6576 1.03% 45.3 3s H 18 18 96081.000000 95374.6576 0.74% 51.3 4s H 20 15 96079.000000 95374.6576 0.73% 50.0 4s H 21 15 96073.000000 95374.6576 0.73% 47.7 4s H 22 15 96067.000000 95374.6576 0.72% 45.5 4s * 23 15 20 96053.000000 95374.6576 0.71% 43.8 4s H 26 15 95872.000000 95387.2435 0.51% 48.1 4s H 27 6 95488.000000 95387.2435 0.11% 51.0 4s * 40 3 9 95461.000000 95450.8603 0.01% 53.5 4s Cutting planes: Implied bound: 126 Flow cover: 20 Explored 43 nodes (7610 simplex iterations) in 4.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.546100000000e+04, best bound 9.546100000000e+04, gap 0.0%