Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:07:21 2012

Optimize a model with 174 rows, 403 columns and 403 nonzeros
Model has 346 quadratic constraints
Presolve time: 2.01s
Presolved: 174 rows, 403 columns, 403 nonzeros
Variable types: 346 continuous, 57 integer (57 binary)

Root relaxation: objective 0.000000e+00, 28 iterations, 0.00 seconds

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

H    0     0                      98.0000000          -     -      -    2s
     0     0    0.00000    0   32   98.00000    0.00000   100%     -    2s
     0     0    0.04412    0   51   98.00000    0.04412   100%     -    2s
     0     2    0.18750    0   51   98.00000    0.18750   100%     -    2s
*   51    47              29      46.0000000    3.50000  92.4%  34.6    2s
H   81    66                      45.0000000    3.70588  91.8%  34.0    2s
*   81    62              21      44.0000000    3.70588  91.6%  34.1    2s
H  276   165                      40.0000000    8.72141  78.2%  42.4    2s
  1581   488   35.79592   35  238   40.00000   20.71429  48.2%  34.8    5s
  6876  1739   37.03378   33  237   40.00000   30.00000  25.0%  21.6   10s
* 6977  1626              43      39.0000000   30.00000  23.1%  21.5   10s
* 7582  1513              36      38.0000000   30.77778  19.0%  21.1   10s
  9446  1243   36.04762   38  215   38.00000   32.80000  13.7%  20.0   15s

Explored 11393 nodes (218651 simplex iterations) in 19.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%