Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:01 2012

Optimize a model with 123 rows, 291 columns and 291 nonzeros
Model has 244 quadratic constraints
Presolve time: 1.42s
Presolved: 123 rows, 291 columns, 291 nonzeros
Variable types: 244 continuous, 47 integer (47 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      63.0000000          -     -      -    1s
     0     0    0.00000    0   27   63.00000    0.00000   100%     -    1s
     0     0    0.11628    0   43   63.00000    0.11628   100%     -    1s
     0     2    0.12222    0   43   63.00000    0.12222   100%     -    1s
*   34    34              18      33.0000000    4.36364  86.8%  28.9    1s
*  231   161              18      32.0000000    7.66667  76.0%  30.9    1s
*  308   174              15      31.0000000    8.52632  72.5%  31.1    1s
*  524   212              17      30.0000000   13.70968  54.3%  30.8    1s
  4377   439     cutoff   36        30.00000   25.13514  16.2%  19.9    5s

Explored 5772 nodes (106909 simplex iterations) in 5.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%