Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:10:24 2012

Optimize a model with 3800 rows, 650 columns and 11950 nonzeros
Presolve time: 0.05s
Presolved: 3800 rows, 650 columns, 20249 nonzeros
Variable types: 0 continuous, 650 integer (650 binary)

Root relaxation: objective 2.000000e+00, 405 iterations, 0.02 seconds

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

     0     0    2.00000    0   50          -    2.00000     -      -    0s
H    0     0                       8.0000000    2.00000  75.0%     -    0s
H    0     0                       6.0000000    2.00000  66.7%     -    0s
     0     0    4.00000    0  111    6.00000    4.00000  33.3%     -    0s

Cutting planes:
  Clique: 110
  Zero half: 67

Explored 0 nodes (3630 simplex iterations) in 0.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%