Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:53:25 2012

Optimize a model with 134 rows, 319 columns and 319 nonzeros
Model has 266 quadratic constraints
Presolve time: 1.55s
Presolved: 134 rows, 319 columns, 319 nonzeros
Variable types: 266 continuous, 53 integer (53 binary)

Root relaxation: objective 0.000000e+00, 26 iterations, 0.00 seconds

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

H    0     0                      73.0000000          -     -      -    1s
     0     0    0.00000    0   24   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0   36   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0   36   73.00000    0.00000   100%     -    1s
     0     2    0.00000    0   36   73.00000    0.00000   100%     -    1s
*   38    38              24      38.0000000    5.20000  86.3%  26.9    1s
H   72    62                      37.0000000    6.00000  83.8%  25.3    1s
*   75    60              22      35.0000000    6.00000  82.9%  24.9    1s
*   95    61              14      29.0000000    6.00000  79.3%  28.1    1s
*  336   152              13      28.0000000   10.30754  63.2%  30.4    1s
* 2590   393              53      27.0000000   19.56000  27.6%  24.0    4s
  3441   265   23.25000   32  182   27.00000   22.33333  17.3%  22.6    5s

Explored 3911 nodes (85007 simplex iterations) in 5.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%