Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:24:39 2013

Optimize a model with 1793 rows, 484 columns and 5566 nonzeros
Presolve removed 354 rows and 249 columns
Presolve time: 0.02s
Presolved: 1439 rows, 235 columns, 4506 nonzeros
Variable types: 10 continuous, 225 integer (225 binary)
Found heuristic solution: objective 10441.000000

Root relaxation: objective 8.623640e+03, 728 iterations, 0.01 seconds

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

     0     0 8623.64000    0    4 10441.0000 8623.64000  17.4%     -    0s
H    0     0                    8639.0000000 8623.64000  0.18%     -    0s
H    0     0                    8631.0000000 8623.64000  0.09%     -    0s
H    0     0                    8627.0000000 8623.64000  0.04%     -    0s
     0     0 8625.98072    0    5 8627.00000 8625.98072  0.01%     -    0s
     0     0 8625.98072    0    6 8627.00000 8625.98072  0.01%     -    0s
     0     0     cutoff    0      8627.00000 8626.00863  0.01%     -    0s

Explored 0 nodes (758 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.627000000000e+03, best bound 8.627000000000e+03, gap 0.0%