Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:08 2012

Optimize a model with 2481 rows, 99 columns and 4962 nonzeros
Presolve removed 1765 rows and 0 columns
Presolve time: 0.07s
Presolved: 716 rows, 99 columns, 4805 nonzeros
Variable types: 0 continuous, 99 integer (99 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.404184e+01, 382 iterations, 0.01 seconds

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

     0     0   14.04184    0   93    6.00000   14.04184   134%     -    0s
H    0     0                       7.0000000   14.04184   101%     -    0s
     0     0   13.71558    0   94    7.00000   13.71558  95.9%     -    0s
H    0     0                       8.0000000   13.71558  71.4%     -    0s
     0     0   13.64667    0   96    8.00000   13.64667  70.6%     -    0s
H    0     0                       9.0000000   13.64667  51.6%     -    0s
     0     0   13.59021    0   97    9.00000   13.59021  51.0%     -    0s
     0     0   13.56591    0   97    9.00000   13.56591  50.7%     -    0s
     0     0   13.55830    0   97    9.00000   13.55830  50.6%     -    0s
     0     0   13.54429    0   97    9.00000   13.54429  50.5%     -    0s
     0     0   13.54332    0   97    9.00000   13.54332  50.5%     -    0s
     0     0   13.54214    0   96    9.00000   13.54214  50.5%     -    0s
     0     0   13.53421    0   98    9.00000   13.53421  50.4%     -    1s
     0     0   13.53397    0   98    9.00000   13.53397  50.4%     -    1s
     0     0   13.53396    0   98    9.00000   13.53396  50.4%     -    1s
     0     2   13.53269    0   98    9.00000   13.53269  50.4%     -    1s

Cutting planes:
  Clique: 75
  Zero half: 1

Explored 127 nodes (8550 simplex iterations) in 1.91 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%