Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:31:07 2012

Optimize a model with 38963 rows, 36672 columns and 152607 nonzeros
Presolve removed 28 rows and 4968 columns
Presolve time: 0.88s
Presolved: 38935 rows, 31704 columns, 147233 nonzeros
Variable types: 0 continuous, 31704 integer (31704 binary)
Found heuristic solution: objective 191.0000000

Root relaxation: objective 2.000000e+00, 22659 iterations, 1.62 seconds

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

     0     0    2.00000    0  318  191.00000    2.00000  99.0%     -    5s
H    0     0                     183.0000000    2.00000  98.9%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    5s
     0     0    2.66667    0 4584    4.00000    2.66667  33.3%     -   16s
H    0     0                       3.0000000    2.66667  11.1%     -   19s

Cutting planes:
  Clique: 4
  Zero half: 2

Explored 0 nodes (97132 simplex iterations) in 19.68 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%