Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:59:15 2012

Optimize a model with 171 rows, 395 columns and 395 nonzeros
Model has 340 quadratic constraints
Presolve time: 1.98s
Presolved: 171 rows, 395 columns, 395 nonzeros
Variable types: 340 continuous, 55 integer (55 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      81.0000000          -     -      -    1s
     0     0    0.00000    0   29   81.00000    0.00000   100%     -    1s
     0     0    0.04054    0   53   81.00000    0.04054   100%     -    1s
     0     2    0.07895    0   53   81.00000    0.07895   100%     -    2s
*   36    36              20      46.0000000    5.63067  87.8%  39.1    2s
  1844   687   45.17143   32  200   46.00000   22.04787  52.1%  31.3    5s
* 2284   839              34      45.0000000   23.94853  46.8%  28.9    5s
H 4074  1350                      44.0000000   28.94118  34.2%  24.1    7s
  4603  1485   40.80000   38  232   44.00000   29.72229  32.4%  23.3   10s
  8596  2050     cutoff   37        44.00000   33.83723  23.1%  19.9   15s
 13397  2159   38.74359   33  218   44.00000   36.33333  17.4%  18.5   20s
 18903  1000   42.76188   46  194   44.00000   39.60000  10.0%  18.1   25s

Explored 20520 nodes (365615 simplex iterations) in 26.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%