Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:30:30 2012

Optimize a model with 9074 rows, 14762 columns and 41380 nonzeros
Presolve removed 34 rows and 3874 columns
Presolve time: 0.15s
Presolved: 9040 rows, 10888 columns, 37358 nonzeros
Variable types: 0 continuous, 10888 integer (10888 binary)
Found heuristic solution: objective 121.0000000

Root relaxation: objective 2.000000e+00, 6424 iterations, 0.17 seconds

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

     0     0    2.00000    0   68  121.00000    2.00000  98.3%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s

Cutting planes:
  Zero half: 1

Explored 0 nodes (22255 simplex iterations) in 0.74 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%