Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:34:35 2012

Optimize a model with 41606 rows, 40602 columns and 164416 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.98s
Presolved: 41805 rows, 40600 columns, 204403 nonzeros
Variable types: 0 continuous, 40600 integer (40600 binary)
Found heuristic solution: objective 201.0000000

Root relaxation: objective 2.000000e+00, 28508 iterations, 2.59 seconds
Total elapsed time = 6.75s

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

     0     0    2.00000    0  346  201.00000    2.00000  99.0%     -    7s
H    0     0                     159.0000000    2.00000  98.7%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s

Cutting planes:
  Gomory: 1

Explored 0 nodes (92482 simplex iterations) in 8.05 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%