Gurobi 5.0.1 (linux64) logging started Sun Nov 18 09:53:04 2012

Optimize a model with 292 rows, 827 columns and 827 nonzeros
Model has 582 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 3.39s
Presolved: 292 rows, 807 columns, 807 nonzeros
Variable types: 582 continuous, 225 integer (224 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    3  154.00000    0.00000   100%     -    3s
     0     0    0.00000    0    4  154.00000    0.00000   100%     -    3s
     0     0    0.00000    0    2  154.00000    0.00000   100%     -    3s
     0     2    0.00000    0  115  154.00000    0.00000   100%     -    3s
H   45    45                      31.0000000    1.00000  96.8%  52.3    3s
*   57    50              42      29.0000000    1.00000  96.6%  45.6    3s
H  176    73                      24.0000000    2.95379  87.7%  29.4    3s
*  176    65              27      22.0000000    2.95379  86.6%  29.7    3s
   657   252    9.26667   15  787   22.00000    9.26667  57.9%  36.4    5s
* 2237   362              34      21.0000000   14.91892  29.0%  33.5    9s
  2559   338   17.65816   29  486   21.00000   15.60000  25.7%  32.7   10s

Explored 3786 nodes (117370 simplex iterations) in 12.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%