Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:56:12 2012

Optimize a model with 168 rows, 417 columns and 417 nonzeros
Model has 334 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.95s
Presolved: 168 rows, 416 columns, 416 nonzeros
Variable types: 334 continuous, 82 integer (81 binary)

Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds

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

H    0     0                      93.0000000          -     -      -    1s
     0     0    0.00000    0    2   93.00000    0.00000   100%     -    1s
     0     0    0.00000    0   67   93.00000    0.00000   100%     -    1s
     0     0    0.00000    0   73   93.00000    0.00000   100%     -    1s
     0     2    0.00000    0   72   93.00000    0.00000   100%     -    1s
H    8     8                      75.0000000    4.10000  94.5%  63.9    2s
*   49    44              27      31.0000000    4.10000  86.8%  31.6    2s
*  351   210              17      30.0000000    9.47619  68.4%  33.3    2s
  1963   558   22.50000   28  255   30.00000   16.39130  45.4%  29.0    5s
* 2546   668              32      29.0000000   17.81579  38.6%  26.8    5s
  4894   884   27.22857   36  243   29.00000   21.33333  26.4%  22.7   10s
  7794   541   27.90625   30  242   29.00000   24.31818  16.1%  21.2   15s

Explored 8916 nodes (184497 simplex iterations) in 16.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%