Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:00:13 2012

Optimize a model with 138 rows, 329 columns and 329 nonzeros
Model has 274 quadratic constraints
Presolve time: 1.60s
Presolved: 138 rows, 329 columns, 329 nonzeros
Variable types: 274 continuous, 55 integer (55 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      65.0000000          -     -      -    1s
     0     0    0.00000    0   22   65.00000    0.00000   100%     -    1s
     0     0    0.00000    0   25   65.00000    0.00000   100%     -    1s
     0     0    0.00000    0   25   65.00000    0.00000   100%     -    1s
     0     2    0.00000    0   25   65.00000    0.00000   100%     -    1s
*   25    25              21      34.0000000    2.45455  92.8%  33.2    1s
*   32    23              24      33.0000000    2.45455  92.6%  26.9    1s
H  175   115                      31.0000000    7.45523  76.0%  26.6    1s
H  440   175                      30.0000000   15.09384  49.7%  25.1    1s
  3785  1057     cutoff   34        30.00000   21.10036  29.7%  18.8    5s
* 7237  1069              39      29.0000000   24.24324  16.4%  16.4    7s

Explored 8948 nodes (141926 simplex iterations) in 8.30 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%