Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:05:23 2012

Optimize a model with 157 rows, 338 columns and 338 nonzeros
Model has 312 quadratic constraints
Presolve time: 1.82s
Presolved: 157 rows, 338 columns, 338 nonzeros
Variable types: 312 continuous, 26 integer (26 binary)

Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds

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

H    0     0                      83.0000000          -     -      -    1s
     0     0    0.00000    0   24   83.00000    0.00000   100%     -    1s
     0     0    0.55000    0   26   83.00000    0.55000  99.3%     -    1s
     0     0    0.55000    0   26   83.00000    0.55000  99.3%     -    1s
     0     2    0.55000    0   26   83.00000    0.55000  99.3%     -    1s
*   33    33              18      63.0000000    6.24000  90.1%  38.2    1s
H  166   126                      61.0000000   17.31053  71.6%  38.3    2s
*  219   163              18      60.0000000   17.41429  71.0%  37.3    2s
* 2361   564              35      59.0000000   33.71429  42.9%  31.9    4s
  2427   571     cutoff   38        59.00000   33.95000  42.5%  31.7    5s
H 3311   675                      58.0000000   38.50000  33.6%  29.5    5s
  5843   506   55.59497   34  208   58.00000   48.00000  17.2%  26.1   10s

Explored 6879 nodes (172609 simplex iterations) in 10.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.800000000000e+01, best bound 5.800000000000e+01, gap 0.0%