Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:53 2013 Optimize a model with 2070 rows, 2260 columns and 8505 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.11s Presolved: 2055 rows, 2250 columns, 6490 nonzeros Variable types: 1255 continuous, 995 integer (995 binary) Root relaxation: objective 9.601887e+03, 723 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9601.88662 0 1 - 9601.88662 - - 0s 0 0 9604.22406 0 1 - 9604.22406 - - 0s 0 0 9619.93772 0 2 - 9619.93772 - - 0s H 0 0 9624.2181330 9619.93772 0.04% - 0s 0 0 9624.20812 0 2 9624.21813 9624.20812 0.00% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (927 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.624218133012e+03, best bound 9.624208119565e+03, gap 0.0001%