Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:31 2012

Optimize a model with 2478 rows, 100 columns and 4956 nonzeros
Presolve removed 1779 rows and 0 columns
Presolve time: 0.07s
Presolved: 699 rows, 100 columns, 4665 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.421031e+01, 407 iterations, 0.01 seconds

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

     0     0   14.21031    0   95    7.00000   14.21031   103%     -    0s
H    0     0                       8.0000000   14.21031  77.6%     -    0s
     0     0   13.83361    0   97    8.00000   13.83361  72.9%     -    0s
H    0     0                       9.0000000   13.83361  53.7%     -    0s
     0     0   13.74273    0   96    9.00000   13.74273  52.7%     -    0s
     0     0   13.67926    0   98    9.00000   13.67926  52.0%     -    0s
     0     0   13.66799    0   98    9.00000   13.66799  51.9%     -    0s
     0     0   13.66365    0   98    9.00000   13.66365  51.8%     -    0s
     0     0   13.66345    0   98    9.00000   13.66345  51.8%     -    0s
     0     0   13.66328    0   98    9.00000   13.66328  51.8%     -    0s
     0     2   13.66197    0   98    9.00000   13.66197  51.8%     -    1s
H  187     2                      10.0000000   11.00000  10.0%  55.3    1s

Cutting planes:
  Clique: 83

Explored 190 nodes (11069 simplex iterations) in 1.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%