Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:42:31 2012

Optimize a model with 10088 rows, 3540 columns and 33510 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.24s
Presolved: 10086 rows, 3538 columns, 33168 nonzeros
Variable types: 0 continuous, 3538 integer (3538 binary)
Found heuristic solution: objective 59.0000000

Root relaxation: objective 2.000000e+00, 2319 iterations, 0.06 seconds

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

     0     0    2.00000    0  118   59.00000    2.00000  96.6%     -    0s
H    0     0                      48.0000000    2.00000  95.8%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    3.00000    0 2465    5.00000    3.00000  40.0%     -    1s
     0     0    3.00885    0 2452    5.00000    3.00885  39.8%     -    3s
H    0     0                       4.0000000    3.00885  24.8%     -    3s

Cutting planes:
  Clique: 27

Explored 0 nodes (13590 simplex iterations) in 3.70 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%