Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:24:52 2012

Optimize a model with 189 rows, 404 columns and 404 nonzeros
Model has 376 quadratic constraints
Presolve time: 2.19s
Presolved: 189 rows, 404 columns, 404 nonzeros
Variable types: 376 continuous, 28 integer (28 binary)

Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds

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

H    0     0                      87.0000000          -     -      -    2s
     0     0    0.00000    0   26   87.00000    0.00000   100%     -    2s
     0     0    0.50000    0   28   87.00000    0.50000  99.4%     -    2s
     0     2    0.52160    0   28   87.00000    0.52160  99.4%     -    2s
*   40    40              23      85.0000000    7.24206  91.5%  42.8    2s
H   64    55                      83.0000000    7.39744  91.1%  45.7    2s
*   75    62              22      78.0000000    7.39744  90.5%  41.4    2s
H  253   193                      76.0000000   12.64062  83.4%  43.0    2s
  1215   547   52.47619   41  238   76.00000   27.21429  64.2%  45.9    5s
  6253  1662   75.83776   47  193   76.00000   51.50000  32.2%  26.7   10s
* 6490  1655              43      75.0000000   52.07143  30.6%  26.6   10s
* 6708  1619              47      73.0000000   52.71985  27.8%  26.3   10s
H 8325  1600                      72.0000000   55.50000  22.9%  25.4   12s
  9000  1580   69.59790   41  212   72.00000   56.72960  21.2%  25.0   15s
 13630   887   71.00000   42  192   72.00000   64.15307  10.9%  23.6   20s

Explored 15325 nodes (347880 simplex iterations) in 21.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.200000000000e+01, best bound 7.200000000000e+01, gap 0.0%