Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:14:56 2013

Optimize a model with 1078 rows, 16314 columns and 930826 nonzeros
Presolve removed 12 rows and 23 columns
Presolve time: 2.98s
Presolved: 1066 rows, 16291 columns, 929240 nonzeros
Variable types: 0 continuous, 16291 integer (16291 binary)
Found heuristic solution: objective 7288.0000000

Root relaxation: objective 6.633000e+03, 4929 iterations, 1.87 seconds

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

     0     0 6633.00000    0   32 7288.00000 6633.00000  8.99%     -    5s
H    0     0                    6876.0000000 6633.00000  3.53%     -    5s
     0     0 6639.20690    0  113 6876.00000 6639.20690  3.44%     -    7s
H    0     0                    6862.0000000 6639.20690  3.25%     -   13s
     0     0 6651.00000    0   30 6862.00000 6651.00000  3.07%     -   15s
H    0     0                    6802.0000000 6651.00000  2.22%     -   15s
     0     0 6655.37500    0   45 6802.00000 6655.37500  2.16%     -   16s
H    0     0                    6707.0000000 6655.37500  0.77%     -   17s
*    0     0               0    6666.0000000 6666.00000   0.0%     -   17s

Cutting planes:
  Clique: 5
  Zero half: 11

Explored 0 nodes (12149 simplex iterations) in 17.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.666000000000e+03, best bound 6.666000000000e+03, gap 0.0000%