Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:22:18 2013 Optimize a model with 1800 rows, 100600 columns and 201700 nonzeros Presolve removed 400 rows and 300 columns Presolve time: 0.76s Presolved: 1400 rows, 100300 columns, 200900 nonzeros Variable types: 100200 continuous, 100 integer (100 binary) Root relaxation: objective 7.918217e+05, 5576 iterations, 1.30 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 791821.709 0 2 - 791821.709 - - 2s H 0 0 810636.36370 791821.709 2.32% - 3s H 0 0 799678.01306 791821.709 0.98% - 4s 0 2 791938.222 0 2 799678.013 791938.222 0.97% - 5s H 1 1 793505.77764 791938.222 0.20% 0.0 5s * 6 3 3 793200.24980 792701.879 0.06% 87.7 6s Explored 11 nodes (6948 simplex iterations) in 7.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.932002498024e+05, best bound 7.932002498024e+05, gap 0.0%