Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:19:35 2013

Optimize a model with 1350 rows, 400 columns and 4200 nonzeros
Presolve removed 589 rows and 229 columns
Presolve time: 0.01s
Presolved: 761 rows, 171 columns, 2385 nonzeros
Variable types: 6 continuous, 165 integer (165 binary)
Found heuristic solution: objective 7712.0000000

Root relaxation: objective 6.558731e+03, 9 iterations, 0.00 seconds

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

     0     0 6558.73077    0    3 7712.00000 6558.73077  15.0%     -    0s
H    0     0                    6564.0000000 6558.73077  0.08%     -    0s
     0     0 6560.57647    0    7 6564.00000 6560.57647  0.05%     -    0s
     0     0 6562.19512    0    7 6564.00000 6562.19512  0.03%     -    0s
     0     0     cutoff    0      6564.00000 6563.00657  0.02%     -    0s

Explored 0 nodes (43 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.564000000000e+03, best bound 6.564000000000e+03, gap 0.0%