Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:56:06 2012

Optimize a model with 22490 rows, 23562 columns and 90268 nonzeros
Presolve removed 27 rows and 3827 columns
Presolve time: 0.48s
Presolved: 22463 rows, 19735 columns, 86149 nonzeros
Variable types: 0 continuous, 19735 integer (19735 binary)
Found heuristic solution: objective 153.0000000

Root relaxation: objective 2.000000e+00, 14509 iterations, 0.82 seconds

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

     0     0    2.00000    0  234  153.00000    2.00000  98.7%     -    2s
H    0     0                     134.0000000    2.00000  98.5%     -    2s
H    0     0                       4.0000000    2.00000  50.0%     -    2s
     0     0    2.11111    0  381    4.00000    2.11111  47.2%     -    8s
H    0     0                       3.0000000    2.11111  29.6%     -    8s

Cutting planes:
  Zero half: 5

Explored 0 nodes (57322 simplex iterations) in 8.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%