Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:01:28 2012

Optimize a model with 3889 rows, 124 columns and 7778 nonzeros
Presolve removed 2800 rows and 0 columns
Presolve time: 0.14s
Presolved: 1089 rows, 124 columns, 7939 nonzeros
Variable types: 0 continuous, 124 integer (124 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.618669e+01, 515 iterations, 0.03 seconds

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

     0     0   16.18669    0  120    6.00000   16.18669   170%     -    0s
H    0     0                       7.0000000   16.18669   131%     -    0s
     0     0   15.85674    0  124    7.00000   15.85674   127%     -    0s
H    0     0                       8.0000000   15.85674  98.2%     -    0s
     0     0   15.75844    0  123    8.00000   15.75844  97.0%     -    0s
H    0     0                       9.0000000   15.75844  75.1%     -    0s
     0     0   15.71187    0  123    9.00000   15.71187  74.6%     -    0s
     0     0   15.70053    0  121    9.00000   15.70053  74.5%     -    0s
     0     0   15.65485    0  123    9.00000   15.65485  73.9%     -    1s
     0     0   15.62293    0  122    9.00000   15.62293  73.6%     -    1s
     0     0   15.61843    0  124    9.00000   15.61843  73.5%     -    1s
     0     2   15.61436    0  124    9.00000   15.61436  73.5%     -    1s
*  436    72               8      10.0000000   12.27416  22.7%  67.2    4s

Cutting planes:
  Clique: 104

Explored 509 nodes (32392 simplex iterations) in 4.17 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%