Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:12:58 2013

Optimize a model with 972 rows, 13568 columns and 734314 nonzeros
Presolve removed 105 rows and 500 columns
Presolve time: 2.77s
Presolved: 867 rows, 13068 columns, 705184 nonzeros
Variable types: 0 continuous, 13068 integer (13068 binary)
Found heuristic solution: objective 7395.0000000

Root relaxation: objective 5.848500e+03, 2974 iterations, 0.85 seconds

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

     0     0 5848.50000    0   28 7395.00000 5848.50000  20.9%     -    3s
H    0     0                    6365.0000000 5848.50000  8.11%     -    4s
*    0     0               0    5851.0000000 5851.00000   0.0%     -    4s

Cutting planes:
  Clique: 2
  Zero half: 2

Explored 0 nodes (3088 simplex iterations) in 4.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.851000000000e+03, best bound 5.851000000000e+03, gap 0.0%