Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:17:14 2012

Optimize a model with 24191 rows, 28392 columns and 100126 nonzeros
Presolve removed 29 rows and 4538 columns
Presolve time: 0.55s
Presolved: 24162 rows, 23854 columns, 95302 nonzeros
Variable types: 0 continuous, 23854 integer (23854 binary)
Found heuristic solution: objective 168.0000000

Root relaxation: objective 2.000000e+00, 16734 iterations, 0.88 seconds

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

     0     0    2.00000    0  232  168.00000    2.00000  98.8%     -    2s
H    0     0                      69.0000000    2.00000  97.1%     -    2s
H    0     0                       4.0000000    2.00000  50.0%     -    3s
H    0     0                       3.0000000    2.00000  33.3%     -    3s

Cutting planes:
  Gomory: 1

Explored 0 nodes (54446 simplex iterations) in 3.14 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%