Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:53:37 2012

Optimize a model with 17549 rows, 22650 columns and 74548 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.33s
Presolved: 17697 rows, 22648 columns, 96814 nonzeros
Variable types: 0 continuous, 22648 integer (22648 binary)
Found heuristic solution: objective 150.0000000

Root relaxation: objective 2.000000e+00, 11615 iterations, 0.56 seconds

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

     0     0    2.00000    0  168  150.00000    2.00000  98.7%     -    1s
H    0     0                     103.0000000    2.00000  98.1%     -    1s
H    0     0                       4.0000000    2.00000  50.0%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s

Cutting planes:
  Zero half: 1

Explored 0 nodes (38305 simplex iterations) in 1.98 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%