Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:42:02 2012

Optimize a model with 296 rows, 828 columns and 828 nonzeros
Model has 590 quadratic constraints
Presolve removed 0 rows and 14 columns
Presolve time: 3.45s
Presolved: 296 rows, 814 columns, 814 nonzeros
Variable types: 590 continuous, 224 integer (223 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                     152.0000000          -     -      -    3s
     0     0    0.00000    0  141  152.00000    0.00000   100%     -    3s
     0     0    0.12576    0  217  152.00000    0.12576   100%     -    3s
     0     2    0.12721    0  217  152.00000    0.12721   100%     -    3s
H   44    44                      36.0000000    1.53384  95.7%  34.8    3s
*   53    46              30      30.0000000    1.53384  94.9%  33.3    3s
H  171    70                      24.0000000    1.93270  91.9%  28.9    3s
   601   259   17.99494   10  217   24.00000    8.05517  66.4%  34.8    6s
  1851   594   21.50000   36  394   24.00000   12.00000  50.0%  38.5   10s
* 2480   663              42      23.0000000   13.08889  43.1%  37.5   11s
* 2557   585              40      22.0000000   13.36585  39.2%  37.4   11s
  3811   563   18.03371   34  451   22.00000   15.80000  28.2%  36.8   15s
  4669   458   19.79290   34  427   22.00000   17.16000  22.0%  37.6   20s
  5118   348   19.65000   35  455   22.00000   18.10000  17.7%  37.6   25s

Explored 5745 nodes (213095 simplex iterations) in 28.04 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%