Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:41:54 2012

Optimize a model with 188 rows, 454 columns and 454 nonzeros
Model has 374 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 2.17s
Presolved: 188 rows, 453 columns, 453 nonzeros
Variable types: 374 continuous, 79 integer (78 binary)

Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds

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

H    0     0                      92.0000000          -     -      -    2s
     0     0    0.00000    0   40   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0   48   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0   45   92.00000    0.00000   100%     -    2s
     0     2    0.00000    0   45   92.00000    0.00000   100%     -    2s
H   54    54                      72.0000000    4.45000  93.8%  26.5    2s
*   64    60              40      54.0000000    4.45000  91.8%  25.3    2s
*  114    78              28      43.0000000    4.47059  89.6%  29.6    2s
* 1192   622              42      42.0000000   13.50417  67.8%  37.4    4s
  1244   642   25.66667   38  277   42.00000   13.50417  67.8%  36.6    5s
H 3012  1189                      39.0000000   21.85185  44.0%  27.3    7s
  3772  1496   35.98507   45  269   39.00000   23.00000  41.0%  25.8   10s
  6439  2401   36.24242   45  264   39.00000   25.52027  34.6%  23.1   15s
  7983  2781   32.71880   41  270   39.00000   26.50518  32.0%  22.4   20s
 10211  3251   37.04438   43  247   39.00000   27.71429  28.9%  21.4   25s
 14091  3684   34.64114   41  282   39.00000   29.31111  24.8%  20.6   30s
 18253  3808   36.59322   37  266   39.00000   30.60000  21.5%  20.0   35s
 22779  3563     cutoff   39        39.00000   31.86047  18.3%  19.7   40s
 27309  3012   36.38710   41  271   39.00000   33.07143  15.2%  19.6   45s
*30525  1957              44      38.0000000   34.10453  10.3%  19.6   48s
 30558  1946   36.08009   40  241   38.00000   34.11580  10.2%  19.6   50s
 32508   723     cutoff   36        38.00000   35.33333  7.02%  19.5   55s

Explored 33430 nodes (644614 simplex iterations) in 55.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000005e+01, best bound 3.800000000005e+01, gap 0.0%