Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:27:21 2012

Optimize a model with 4968 rows, 141 columns and 9936 nonzeros
Presolve removed 3564 rows and 0 columns
Presolve time: 0.19s
Presolved: 1404 rows, 141 columns, 9989 nonzeros
Variable types: 0 continuous, 141 integer (141 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.809976e+01, 671 iterations, 0.04 seconds

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

     0     0   18.09976    0  138    8.00000   18.09976   126%     -    0s
     0     0   17.58743    0  141    8.00000   17.58743   120%     -    0s
     0     0   17.45194    0  140    8.00000   17.45194   118%     -    0s
H    0     0                       9.0000000   17.45194  93.9%     -    0s
     0     0   17.39355    0  141    9.00000   17.39355  93.3%     -    0s
     0     0   17.32491    0  141    9.00000   17.32491  92.5%     -    1s
     0     0   17.28075    0  141    9.00000   17.28075  92.0%     -    1s
H    0     0                      10.0000000   17.28075  72.8%     -    1s
     0     0   17.27226    0  141   10.00000   17.27226  72.7%     -    1s
     0     0   17.25635    0  141   10.00000   17.25635  72.6%     -    1s
     0     0   17.25413    0  141   10.00000   17.25413  72.5%     -    1s
     0     0   17.25289    0  141   10.00000   17.25289  72.5%     -    2s
     0     0   17.25288    0  141   10.00000   17.25288  72.5%     -    2s
     0     0   17.25284    0  141   10.00000   17.25284  72.5%     -    2s
     0     2   17.25172    0  141   10.00000   17.25172  72.5%     -    2s
   273   164   11.37585   16   57   10.00000   15.98519  59.9%  83.2    5s

Cutting planes:
  Clique: 166

Explored 823 nodes (62849 simplex iterations) in 8.61 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%