Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:56:14 2012

Optimize a model with 3464 rows, 117 columns and 6928 nonzeros
Presolve removed 2465 rows and 0 columns
Presolve time: 0.13s
Presolved: 999 rows, 117 columns, 7230 nonzeros
Variable types: 0 continuous, 117 integer (117 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.537229e+01, 496 iterations, 0.02 seconds

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

     0     0   15.37229    0  111    6.00000   15.37229   156%     -    0s
H    0     0                       7.0000000   15.37229   120%     -    0s
     0     0   14.86472    0  116    7.00000   14.86472   112%     -    0s
H    0     0                       8.0000000   14.86472  85.8%     -    0s
     0     0   14.83985    0  115    8.00000   14.83985  85.5%     -    0s
     0     0   14.81871    0  115    8.00000   14.81871  85.2%     -    0s
     0     0   14.81135    0  116    8.00000   14.81135  85.1%     -    0s
     0     0   14.80637    0  116    8.00000   14.80637  85.1%     -    0s
     0     0   14.80519    0  115    8.00000   14.80519  85.1%     -    0s
     0     0   14.80450    0  115    8.00000   14.80450  85.1%     -    1s
     0     0   14.80434    0  115    8.00000   14.80434  85.1%     -    1s
     0     2   14.80298    0  115    8.00000   14.80298  85.0%     -    1s
H  498   114                       9.0000000   11.86999  31.9%  53.7    3s

Cutting planes:
  Clique: 98
  Zero half: 2

Explored 646 nodes (32457 simplex iterations) in 4.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%