Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:57:14 2012

Optimize a model with 11100 rows, 3660 columns and 36720 nonzeros
Presolve time: 0.09s
Presolved: 11100 rows, 3660 columns, 37081 nonzeros
Variable types: 0 continuous, 3660 integer (3660 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 2.000000e+00, 3633 iterations, 0.16 seconds

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

     0     0    2.00000    0  120   41.00000    2.00000  95.1%     -    0s
H    0     0                      14.0000000    2.00000  85.7%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    1s
     0     0    2.00000    0  120    5.00000    2.00000  60.0%     -    2s
     0     0    2.00000    0  120    5.00000    2.00000  60.0%     -    6s
     0     0    2.00000    0  120    5.00000    2.00000  60.0%     -   11s
H    0     0                       4.0000000    2.00000  50.0%     -   12s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   16s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   20s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   25s
     0     2    2.00000    0  120    4.00000    2.00000  50.0%     -   35s
     1     3    2.66667    1  914    4.00000    2.00000  50.0% 27356   41s
     2     4    2.50000    1  459    4.00000    2.50000  37.5% 22702   47s
    18     4    3.00000    3  116    4.00000    2.66667  33.3%  3318   50s
    41     5    2.66667    3  481    4.00000    2.66667  33.3%  1918   55s

Cutting planes:
  Clique: 129

Explored 107 nodes (164276 simplex iterations) in 57.99 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%