Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:23:16 2013 Optimize a model with 1800 rows, 100600 columns and 201700 nonzeros Presolve removed 400 rows and 300 columns Presolve time: 0.48s Presolved: 1400 rows, 100300 columns, 200900 nonzeros Variable types: 100200 continuous, 100 integer (100 binary) Root relaxation: objective 8.258498e+05, 5409 iterations, 0.82 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 825849.833 0 1 - 825849.833 - - 1s H 0 0 827466.93672 825849.833 0.20% - 1s 0 2 825868.659 0 1 827466.937 825868.659 0.19% - 2s * 3 2 3 826102.66657 826102.667 0.0% 66.7 2s Explored 4 nodes (5609 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.261026665679e+05, best bound 8.261026665679e+05, gap 0.0%