Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:07:04 2012

Optimize a model with 2039 rows, 420 columns and 6438 nonzeros
Presolve removed 1242 rows and 2 columns
Presolve time: 0.05s
Presolved: 797 rows, 418 columns, 4518 nonzeros
Variable types: 0 continuous, 418 integer (418 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 5.000000e+00, 1293 iterations, 0.06 seconds

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

     0     0    5.00000    0   64   20.00000    5.00000  75.0%     -    0s
H    0     0                       8.0000000    5.00000  37.5%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
     0     0    5.03797    0  240    7.00000    5.03797  28.0%     -    0s
     0     0    5.16562    0  265    7.00000    5.16562  26.2%     -    0s
H    0     0                       6.0000000    5.16562  13.9%     -    0s

Cutting planes:
  Gomory: 5
  Zero half: 2

Explored 0 nodes (4061 simplex iterations) in 0.37 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%