Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:04:00 2012

Optimize a model with 4018 rows, 127 columns and 8036 nonzeros
Presolve removed 2810 rows and 0 columns
Presolve time: 0.14s
Presolved: 1208 rows, 127 columns, 8287 nonzeros
Variable types: 0 continuous, 127 integer (127 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.680226e+01, 603 iterations, 0.03 seconds

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

     0     0   16.80226    0  123    7.00000   16.80226   140%     -    0s
H    0     0                       8.0000000   16.80226   110%     -    0s
     0     0   16.41495    0  127    8.00000   16.41495   105%     -    0s
     0     0   16.32570    0  127    8.00000   16.32570   104%     -    0s
     0     0   16.27821    0  127    8.00000   16.27821   103%     -    0s
     0     0   16.24477    0  126    8.00000   16.24477   103%     -    0s
     0     0   16.22061    0  126    8.00000   16.22061   103%     -    1s
     0     0   16.21174    0  126    8.00000   16.21174   103%     -    1s
     0     0   16.20850    0  127    8.00000   16.20850   103%     -    1s
     0     0   16.20843    0  127    8.00000   16.20843   103%     -    1s
     0     0   16.20823    0  127    8.00000   16.20823   103%     -    1s
     0     0   16.20040    0  127    8.00000   16.20040   103%     -    2s
     0     2   16.20036    0  127    8.00000   16.20036   103%     -    2s
*  175   117              10       9.0000000   15.59059  73.2%  63.7    3s
   492   205     cutoff   27         9.00000   13.42018  49.1%  62.0    5s
*  667   127              10      10.0000000   12.63273  26.3%  57.7    5s

Cutting planes:
  Clique: 123

Explored 823 nodes (44657 simplex iterations) in 6.31 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%