Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:36:28 2012

Optimize a model with 5277 rows, 145 columns and 10554 nonzeros
Presolve removed 3837 rows and 0 columns
Presolve time: 0.22s
Presolved: 1440 rows, 145 columns, 10481 nonzeros
Variable types: 0 continuous, 145 integer (145 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.811636e+01, 718 iterations, 0.05 seconds

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

     0     0   18.11636    0  145    8.00000   18.11636   126%     -    0s
     0     0   17.90373    0  142    8.00000   17.90373   124%     -    0s
     0     0   17.80866    0  144    8.00000   17.80866   123%     -    0s
H    0     0                       9.0000000   17.80866  97.9%     -    0s
     0     0   17.71012    0  144    9.00000   17.71012  96.8%     -    0s
     0     0   17.66286    0  145    9.00000   17.66286  96.3%     -    1s
     0     0   17.64643    0  144    9.00000   17.64643  96.1%     -    1s
     0     0   17.64534    0  144    9.00000   17.64534  96.1%     -    1s
     0     0   17.64082    0  144    9.00000   17.64082  96.0%     -    1s
     0     0   17.63852    0  144    9.00000   17.63852  96.0%     -    1s
     0     0   17.63847    0  144    9.00000   17.63847  96.0%     -    2s
     0     2   17.63835    0  144    9.00000   17.63835  96.0%     -    2s
   302   202   12.95800    9   68    9.00000   16.35924  81.8%  78.0    5s
H  548   245                      10.0000000   15.14285  51.4%  73.1    6s
   879   234   11.85196   12   42   10.00000   13.08002  30.8%  72.5   10s

Cutting planes:
  Clique: 87

Explored 1205 nodes (80562 simplex iterations) in 12.13 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%