Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:44:36 2012

Optimize a model with 5397 rows, 147 columns and 10794 nonzeros
Presolve removed 3871 rows and 0 columns
Presolve time: 0.22s
Presolved: 1526 rows, 147 columns, 11074 nonzeros
Variable types: 0 continuous, 147 integer (147 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.845892e+01, 749 iterations, 0.05 seconds

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

     0     0   18.45892    0  143    7.00000   18.45892   164%     -    0s
H    0     0                       9.0000000   18.45892   105%     -    0s
     0     0   17.88801    0  146    9.00000   17.88801  98.8%     -    0s
     0     0   17.76018    0  146    9.00000   17.76018  97.3%     -    0s
     0     0   17.68793    0  145    9.00000   17.68793  96.5%     -    1s
     0     0   17.66224    0  147    9.00000   17.66224  96.2%     -    1s
H    0     0                      10.0000000   17.66224  76.6%     -    1s
     0     0   17.61926    0  147   10.00000   17.61926  76.2%     -    1s
     0     0   17.60233    0  147   10.00000   17.60233  76.0%     -    1s
     0     0   17.58084    0  147   10.00000   17.58084  75.8%     -    1s
     0     0   17.57191    0  147   10.00000   17.57191  75.7%     -    2s
     0     0   17.57170    0  147   10.00000   17.57170  75.7%     -    2s
     0     2   17.56973    0  147   10.00000   17.56973  75.7%     -    2s
   217   143   11.05046   11   41   10.00000   16.80172  68.0%   100    5s
   762   129   11.26184    8   38   10.00000   12.54611  25.5%  86.9   10s

Cutting planes:
  Clique: 173

Explored 895 nodes (74435 simplex iterations) in 11.17 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%