Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:12 2012

Optimize a model with 133 rows, 313 columns and 313 nonzeros
Model has 264 quadratic constraints
Presolve time: 1.54s
Presolved: 133 rows, 313 columns, 313 nonzeros
Variable types: 264 continuous, 49 integer (49 binary)

Root relaxation: objective 0.000000e+00, 24 iterations, 0.00 seconds

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

H    0     0                      72.0000000          -     -      -    1s
     0     0    0.00000    0   33   72.00000    0.00000   100%     -    1s
     0     0    0.24681    0   47   72.00000    0.24681   100%     -    1s
     0     2    0.30000    0   47   72.00000    0.30000   100%     -    1s
H   43    42                      36.0000000    3.12500  91.3%  23.4    1s
*   43    41              24      35.0000000    3.12500  91.1%  23.5    1s
*   69    51              16      34.0000000    3.20000  90.6%  28.0    1s
*  388   179              13      33.0000000   14.00000  57.6%  30.0    1s
*  505   195              14      32.0000000   15.00000  53.1%  28.7    1s
* 2230   530              40      31.0000000   19.53846  37.0%  24.0    3s
  3633   564   29.44660   32  178   31.00000   23.44012  24.4%  21.0    5s
* 4921   227              38      30.0000000   27.00000  10.0%  19.9    7s

Explored 5219 nodes (101634 simplex iterations) in 7.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%