Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:35 2013 Optimize a model with 160 rows, 5425 columns and 60595 nonzeros Presolve removed 5 rows and 125 columns Presolve time: 0.16s Presolved: 155 rows, 5300 columns, 55595 nonzeros Variable types: 5255 continuous, 45 integer (45 binary) Root relaxation: objective 9.876190e+03, 67 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9876.18952 0 7 - 9876.18952 - - 0s 0 0 9876.27776 0 14 - 9876.27776 - - 0s 0 0 9876.29982 0 7 - 9876.29982 - - 0s 0 0 9915.25350 0 12 - 9915.25350 - - 0s 0 0 9942.24114 0 5 - 9942.24114 - - 0s 0 0 9942.24114 0 5 - 9942.24114 - - 0s H 0 0 9943.0422392 9942.24114 0.01% - 0s Cutting planes: Flow cover: 2 Explored 0 nodes (381 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.943042239161e+03, best bound 9.942241140454e+03, gap 0.0081%