Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:19:06 2012

Optimize a model with 34779 rows, 35532 columns and 138930 nonzeros
Presolve removed 26 rows and 4514 columns
Presolve time: 0.80s
Presolved: 34753 rows, 31018 columns, 134048 nonzeros
Variable types: 0 continuous, 31018 integer (31018 binary)
Found heuristic solution: objective 188.0000000

Root relaxation: objective 2.000000e+00, 22254 iterations, 1.44 seconds

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

     0     0    2.00000    0  312  188.00000    2.00000  98.9%     -    5s
H    0     0                     163.0000000    2.00000  98.8%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    5s
H    0     0                       3.0000000    2.00000  33.3%     -    5s

Cutting planes:
  Zero half: 2

Explored 0 nodes (77860 simplex iterations) in 5.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%