Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:03:19 2012

Optimize a model with 4016 rows, 126 columns and 8032 nonzeros
Presolve removed 2914 rows and 0 columns
Presolve time: 0.15s
Presolved: 1102 rows, 126 columns, 8253 nonzeros
Variable types: 0 continuous, 126 integer (126 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.609468e+01, 554 iterations, 0.03 seconds

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

     0     0   16.09468    0  117    7.00000   16.09468   130%     -    0s
H    0     0                       8.0000000   16.09468   101%     -    0s
     0     0   15.73340    0  125    8.00000   15.73340  96.7%     -    0s
     0     0   15.68805    0  125    8.00000   15.68805  96.1%     -    0s
     0     0   15.65758    0  125    8.00000   15.65758  95.7%     -    0s
     0     0   15.64480    0  125    8.00000   15.64480  95.6%     -    0s
     0     0   15.61589    0  125    8.00000   15.61589  95.2%     -    1s
     0     0   15.60776    0  124    8.00000   15.60776  95.1%     -    1s
     0     0   15.60454    0  125    8.00000   15.60454  95.1%     -    1s
     0     0   15.60406    0  125    8.00000   15.60406  95.1%     -    1s
H    0     0                       9.0000000   15.60406  73.4%     -    1s
     0     0   15.60394    0  125    9.00000   15.60394  73.4%     -    1s
     0     0   15.60379    0  124    9.00000   15.60379  73.4%     -    2s
     0     2   15.60168    0  124    9.00000   15.60168  73.4%     -    2s
   553   137     cutoff   32         9.00000   12.15174  35.0%  62.0    5s

Cutting planes:
  Clique: 102

Explored 800 nodes (45865 simplex iterations) in 6.20 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%