Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:10:00 2012

Optimize a model with 4351 rows, 132 columns and 8702 nonzeros
Presolve removed 3113 rows and 0 columns
Presolve time: 0.15s
Presolved: 1238 rows, 132 columns, 8611 nonzeros
Variable types: 0 continuous, 132 integer (132 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.723469e+01, 569 iterations, 0.03 seconds

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

     0     0   17.23469    0  128    7.00000   17.23469   146%     -    0s
H    0     0                       8.0000000   17.23469   115%     -    0s
     0     0   16.85131    0  129    8.00000   16.85131   111%     -    0s
     0     0   16.76401    0  132    8.00000   16.76401   110%     -    0s
     0     0   16.73770    0  131    8.00000   16.73770   109%     -    0s
H    0     0                       9.0000000   16.73770  86.0%     -    0s
     0     0   16.69599    0  132    9.00000   16.69599  85.5%     -    0s
     0     0   16.66561    0  132    9.00000   16.66561  85.2%     -    1s
     0     0   16.63188    0  132    9.00000   16.63188  84.8%     -    1s
     0     0   16.61978    0  132    9.00000   16.61978  84.7%     -    1s
     0     0   16.61746    0  132    9.00000   16.61746  84.6%     -    1s
     0     0   16.61734    0  132    9.00000   16.61734  84.6%     -    1s
     0     0   16.61730    0  132    9.00000   16.61730  84.6%     -    2s
     0     2   16.61705    0  132    9.00000   16.61705  84.6%     -    2s
   409   238   10.88479   20   46    9.00000   14.28306  58.7%  73.4    5s
*  648   180               9      10.0000000   13.01609  30.2%  66.6    6s

Cutting planes:
  Clique: 99

Explored 865 nodes (52850 simplex iterations) in 7.14 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%