Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:45:13 2012

Optimize a model with 52055 rows, 46872 columns and 201958 nonzeros
Presolve removed 20 rows and 3890 columns
Presolve time: 1.15s
Presolved: 52035 rows, 42982 columns, 197588 nonzeros
Variable types: 0 continuous, 42982 integer (42982 binary)
Found heuristic solution: objective 216.0000000

Root relaxation: objective 2.000000e+00, 30750 iterations, 2.69 seconds
Total elapsed time = 7.59s

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

     0     0    2.00000    0  378  216.00000    2.00000  99.1%     -    8s
H    0     0                     185.0000000    2.00000  98.9%     -    8s
H    0     0                       4.0000000    2.00000  50.0%     -    8s
     0     0    2.66667    0 4615    4.00000    2.66667  33.3%     -   22s
H    0     0                       3.0000000    2.66667  11.1%     -   26s

Cutting planes:
  Clique: 4
  Zero half: 1

Explored 0 nodes (130303 simplex iterations) in 26.86 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%