Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:50:40 2013

Optimize a model with 2400 rows, 101200 columns and 204100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.80s
Presolved: 2000 rows, 100900 columns, 203000 nonzeros
Variable types: 100500 continuous, 400 integer (400 binary)

Root relaxation: objective 9.188392e+05, 8396 iterations, 1.70 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 918839.221    0    4          - 918839.221     -      -    2s
H    0     0                    1008922.4953 918839.221  8.93%     -    3s
H    0     0                    957293.88692 918839.221  4.02%     -    3s
H    0     0                    926269.25049 918839.221  0.80%     -    6s
     0     2 918901.257    0    4 926269.250 918901.257  0.80%     -    7s
H    4     4                    919378.03689 918973.184  0.04%  85.2    7s
H    5     5                    919376.01403 918973.184  0.04%  80.6    8s
H    6     5                    919372.01251 918973.184  0.04%  69.0    8s
*   19     4              19    919365.22666 918973.184  0.04%  26.5    8s

Explored 22 nodes (9394 simplex iterations) in 9.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.193652266644e+05, best bound 9.192790515402e+05, gap 0.0094%