Gurobi 5.0.1 (linux64) logging started Fri Nov 16 09:22:46 2012

Optimize a model with 14850 rows, 4422 columns and 48708 nonzeros
Presolve time: 0.11s
Presolved: 14850 rows, 4422 columns, 48938 nonzeros
Variable types: 0 continuous, 4422 integer (4422 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 2.000000e+00, 4959 iterations, 0.29 seconds

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

     0     0    2.00000    0  132   41.00000    2.00000  95.1%     -    2s
H    0     0                      14.0000000    2.00000  85.7%     -    2s
H    0     0                       5.0000000    2.00000  60.0%     -    2s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -    4s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -   10s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -   17s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -   24s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -   32s
     0     0    2.00000    0  132    5.00000    2.00000  60.0%     -   38s
     0     2    2.00000    0  132    5.00000    2.00000  60.0%     -   57s
     1     3    2.57143    1  666    5.00000    2.00000  60.0% 44882   71s
     2     4    2.50000    1 1053    5.00000    2.50000  50.0% 81633  128s
     5     5    2.57143    2  376    5.00000    2.50000  50.0% 33636  131s
*   25    10              19       4.0000000    2.50000  37.5%  7257  134s
    29     8    2.50000    2  131    4.00000    2.50000  37.5%  6322  135s
    73     7    2.60000    3  190    4.00000    2.60000  35.0%  2815  140s

Cutting planes:
  Clique: 120

Explored 103 nodes (301152 simplex iterations) in 141.33 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%