Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:22:20 2012

Optimize a model with 8904 rows, 4290 columns and 30678 nonzeros
Presolve removed 1302 rows and 2 columns
Presolve time: 0.29s
Presolved: 7667 rows, 4288 columns, 31549 nonzeros
Variable types: 0 continuous, 4288 integer (4288 binary)
Found heuristic solution: objective 65.0000000

Root relaxation: objective 3.000000e+00, 5715 iterations, 0.77 seconds

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

     0     0    3.00000    0 1037   65.00000    3.00000  95.4%     -    2s
H    0     0                      62.0000000    3.00000  95.2%     -    3s
H    0     0                       6.0000000    3.00000  50.0%     -    3s
H    0     0                       5.0000000    3.00000  40.0%     -    3s
     0     0    3.00000    0 1987    5.00000    3.00000  40.0%     -    4s
H    0     0                       3.0000000    3.00000   0.0%     -    4s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (17468 simplex iterations) in 4.94 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%