Gurobi 5.0.1 (linux64) logging started Fri Nov 16 11:45:34 2012

Optimize a model with 17253 rows, 5112 columns and 56587 nonzeros
Presolve time: 0.13s
Presolved: 17253 rows, 5112 columns, 56702 nonzeros
Variable types: 0 continuous, 5112 integer (5112 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 2.000000e+00, 5386 iterations, 0.26 seconds

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

     0     0    2.00000    0  142   43.00000    2.00000  95.3%     -    2s
H    0     0                      12.0000000    2.00000  83.3%     -    2s
H    0     0                       5.0000000    2.00000  60.0%     -    3s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -    6s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -   13s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -   22s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -   33s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -   46s
     0     0    2.00000    0  142    5.00000    2.00000  60.0%     -   53s
     0     2    2.00000    0  142    5.00000    2.00000  60.0%     -   83s
     1     3    3.00000    1  750    5.00000    2.00000  60.0% 42075   93s
     2     4    3.00000    1  761    5.00000    3.00000  40.0% 32128  102s
     6     6    4.00000    4  178    5.00000    3.00000  40.0% 13036  107s
*   14     5              10       4.0000000    3.00000  25.0%  6002  109s
    17     4    3.00000    2  355    4.00000    3.00000  25.0%  5329  111s

Cutting planes:
  Clique: 154
  Zero half: 5

Explored 22 nodes (213959 simplex iterations) in 111.13 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%