Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:23:36 2012

Optimize a model with 4834 rows, 140 columns and 9668 nonzeros
Presolve removed 3478 rows and 0 columns
Presolve time: 0.18s
Presolved: 1356 rows, 140 columns, 9625 nonzeros
Variable types: 0 continuous, 140 integer (140 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.785296e+01, 626 iterations, 0.04 seconds

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

     0     0   17.85296    0  137    8.00000   17.85296   123%     -    0s
H    0     0                       9.0000000   17.85296  98.4%     -    0s
     0     0   17.39578    0  140    9.00000   17.39578  93.3%     -    0s
     0     0   17.26708    0  138    9.00000   17.26708  91.9%     -    0s
     0     0   17.20397    0  139    9.00000   17.20397  91.2%     -    0s
     0     0   17.18724    0  139    9.00000   17.18724  91.0%     -    1s
     0     0   17.18311    0  139    9.00000   17.18311  90.9%     -    1s
     0     0   17.18254    0  139    9.00000   17.18254  90.9%     -    1s
     0     0   17.18237    0  139    9.00000   17.18237  90.9%     -    1s
     0     2   17.17950    0  139    9.00000   17.17950  90.9%     -    2s
H  305   169                      10.0000000   16.30243  63.0%  68.2    3s
   459   220   11.81628   19   52   10.00000   15.14661  51.5%  72.2    5s
*  761   111              14      11.0000000   13.19323  19.9%  69.8    7s

Cutting planes:
  Clique: 142

Explored 873 nodes (57317 simplex iterations) in 7.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%