Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:55 2012

Optimize a model with 141 rows, 304 columns and 304 nonzeros
Model has 280 quadratic constraints
Presolve time: 1.62s
Presolved: 141 rows, 304 columns, 304 nonzeros
Variable types: 280 continuous, 24 integer (24 binary)

Root relaxation: objective 0.000000e+00, 12 iterations, 0.00 seconds

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

H    0     0                      69.0000000          -     -      -    1s
     0     0    0.00000    0   20   69.00000    0.00000   100%     -    1s
     0     0    0.40000    0   24   69.00000    0.40000  99.4%     -    1s
     0     0    0.40000    0   24   69.00000    0.40000  99.4%     -    1s
     0     2    0.40000    0   24   69.00000    0.40000  99.4%     -    1s
*   36    36              19      66.0000000    6.07778  90.8%  28.3    1s
*   63    51              14      62.0000000    6.40000  89.7%  31.3    1s
*   68    54              18      60.0000000    6.40000  89.3%  29.4    1s
*   70    51              17      59.0000000    6.40000  89.2%  28.6    1s
*  118    83              15      55.0000000   13.28889  75.8%  33.8    1s
* 1543   278              32      53.0000000   28.81883  45.6%  31.6    3s
  3396   169   50.93333   30  167   53.00000   46.25000  12.7%  26.2    5s

Explored 3664 nodes (92893 simplex iterations) in 5.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.300000000000e+01, best bound 5.300000000000e+01, gap 0.0%