Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:06:20 2012

Optimize a model with 299 rows, 830 columns and 830 nonzeros
Model has 596 quadratic constraints
Presolve removed 0 rows and 17 columns
Presolve time: 3.48s
Presolved: 299 rows, 813 columns, 813 nonzeros
Variable types: 596 continuous, 217 integer (216 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     165.0000000          -     -      -    3s
     0     0    0.00000    0   97  165.00000    0.00000   100%     -    3s
     0     0    0.00000    0  136  165.00000    0.00000   100%     -    3s
     0     0    0.00000    0  136  165.00000    0.00000   100%     -    3s
     0     2    0.00000    0  136  165.00000    0.00000   100%     -    3s
H   44    44                      43.0000000    3.58120  91.7%  45.2    3s
*   49    49              32      36.0000000    3.58120  90.1%  49.3    3s
H  139    92                      29.0000000    4.66834  83.9%  31.5    3s
   613   361    8.87685   16  490   29.00000    7.22222  75.1%  31.9    5s
*  661   365              40      27.0000000    7.22222  73.3%  34.4    5s
H  798   370                      24.0000000    7.22222  69.9%  44.5    5s
*  827   363              48      23.0000000    7.22222  68.6%  44.0    5s
  1001   352   22.00000   42  136   23.00000    9.00000  60.9%  57.0   10s
* 1026   351              38      22.0000000    9.00000  59.1%  58.5   10s

Explored 1889 nodes (92277 simplex iterations) in 13.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%