Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:47:49 2012

Optimize a model with 10295 rows, 5256 columns and 35782 nonzeros
Presolve removed 2090 rows and 2 columns
Presolve time: 0.39s
Presolved: 8277 rows, 5254 columns, 35626 nonzeros
Variable types: 0 continuous, 5254 integer (5254 binary)
Found heuristic solution: objective 72.0000000

Root relaxation: objective 3.000000e+00, 6176 iterations, 0.95 seconds

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

     0     0    3.00000    0 1377   72.00000    3.00000  95.8%     -    3s
H    0     0                      60.0000000    3.00000  95.0%     -    3s
H    0     0                      10.0000000    3.00000  70.0%     -    3s
     0     0    3.00000    0 2512   10.00000    3.00000  70.0%     -    5s
H    0     0                       3.0000000    3.00000   0.0%     -    6s

Cutting planes:
  Zero half: 15

Explored 0 nodes (20254 simplex iterations) in 6.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%