Gurobi 5.0.1 (linux64) logging started Sun Nov 18 09:56:52 2012

Optimize a model with 321 rows, 885 columns and 885 nonzeros
Model has 640 quadratic constraints
Presolve removed 0 rows and 9 columns
Presolve time: 3.72s
Presolved: 321 rows, 876 columns, 876 nonzeros
Variable types: 640 continuous, 236 integer (235 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                     154.0000000          -     -      -    3s
     0     0    0.00000    0  147  154.00000    0.00000   100%     -    3s
     0     0    0.09811    0  223  154.00000    0.09811   100%     -    3s
     0     2    0.11678    0  223  154.00000    0.11678   100%     -    3s
H   54    54                      36.0000000    1.46377  95.9%  33.9    3s
*   57    57              32      27.0000000    1.46377  94.6%  33.4    3s
   584   318   23.42083   13  129   27.00000    9.90566  63.3%  38.1    5s
H  587   289                      26.0000000    9.90566  61.9%  38.0    5s
  2102   381   25.25705   33  509   26.00000   18.51634  28.8%  37.8   10s
H 2619   339                      25.0000000   19.60000  21.6%  35.6   11s

Explored 3621 nodes (128289 simplex iterations) in 13.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%