Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:44:12 2012

Optimize a model with 5799 rows, 870 columns and 18123 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 5826 rows, 868 columns, 24258 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.661538e+00, 4877 iterations, 0.28 seconds

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

     0     0    3.66154    0  585   29.00000    3.66154  87.4%     -    0s
H    0     0                      27.0000000    3.66154  86.4%     -    0s
     0     0    6.00000    0  103   27.00000    6.00000  77.8%     -    1s
H    0     0                      15.0000000    6.00000  60.0%     -    1s
H    0     0                      10.0000000    6.00000  40.0%     -    1s
H    0     0                       7.0000000    6.00000  14.3%     -    1s
H    0     0                       6.0000000    6.00000   0.0%     -    1s

Cutting planes:
  Clique: 2
  Zero half: 1

Explored 0 nodes (8006 simplex iterations) in 1.17 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%