Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:08:57 2013 Optimize a model with 10070 rows, 10260 columns and 40505 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.24s Presolved: 10055 rows, 10250 columns, 30490 nonzeros Variable types: 5255 continuous, 4995 integer (4995 binary) Root relaxation: objective 9.876190e+03, 3774 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9876.18952 0 1 - 9876.18952 - - 0s 0 0 9911.70507 0 3 - 9911.70507 - - 0s H 0 0 10069.404042 9911.70507 1.57% - 1s H 0 0 9942.9596239 9911.70507 0.31% - 1s 0 0 9927.72653 0 2 9942.95962 9927.72653 0.15% - 1s 0 0 9927.72653 0 1 9942.95962 9927.72653 0.15% - 1s 0 0 9927.72653 0 3 9942.95962 9927.72653 0.15% - 1s 0 0 9927.72653 0 2 9942.95962 9927.72653 0.15% - 1s 0 2 9927.73117 0 2 9942.95962 9927.73117 0.15% - 1s Cutting planes: Gomory: 1 Flow cover: 3 Explored 259 nodes (5770 simplex iterations) in 2.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.942959623924e+03, best bound 9.942025988896e+03, gap 0.0094%