Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:44 2013

Optimize a model with 282 rows, 1018 columns and 43238 nonzeros
Presolve removed 36 rows and 287 columns
Presolve time: 0.13s
Presolved: 246 rows, 731 columns, 42105 nonzeros
Variable types: 0 continuous, 731 integer (731 binary)
Found heuristic solution: objective 1030.0000000
Found heuristic solution: objective 851.0000000

Root relaxation: objective 8.480000e+02, 196 iterations, 0.01 seconds

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

*    0     0               0     848.0000000  848.00000   0.0%     -    0s

Explored 0 nodes (196 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.480000000000e+02, best bound 8.480000000000e+02, gap 0.0%