Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:32:16 2012

Optimize a model with 181 rows, 437 columns and 437 nonzeros
Model has 360 quadratic constraints
Presolve time: 2.10s
Presolved: 181 rows, 437 columns, 437 nonzeros
Variable types: 360 continuous, 77 integer (77 binary)

Root relaxation: objective 0.000000e+00, 38 iterations, 0.00 seconds

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

H    0     0                      97.0000000          -     -      -    2s
     0     0    0.00000    0   65   97.00000    0.00000   100%     -    2s
     0     0    0.41356    0   77   97.00000    0.41356   100%     -    2s
     0     2    0.41642    0   77   97.00000    0.41642   100%     -    2s
*   46    46              28      40.0000000    3.04000  92.4%  35.5    2s
H  224   165                      37.0000000    7.57447  79.5%  37.6    2s
  1440   559   22.39130   33  260   37.00000   15.43036  58.3%  33.8    5s
  5768  1958   32.41667   36  245   37.00000   23.59201  36.2%  23.3   10s
 10533  2908   29.88235   37  258   37.00000   26.45366  28.5%  20.9   15s
 15424  3539     cutoff   42        37.00000   28.27693  23.6%  19.9   20s
 20519  3940   34.34810   39  248   37.00000   29.63611  19.9%  19.1   25s
 25874  4035     cutoff   40        37.00000   30.80495  16.7%  18.4   30s
 31301  3717   35.13333   43  240   37.00000   31.99943  13.5%  17.9   35s
 36907  2773   34.92435   39  232   37.00000   33.24490  10.1%  17.6   40s
 43098   389   36.71518   49  237   37.00000   35.76370  3.34%  17.2   45s

Explored 43613 nodes (746952 simplex iterations) in 45.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000005e+01, best bound 3.700000000005e+01, gap 0.0%