Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:02:07 2012

Optimize a model with 156 rows, 366 columns and 366 nonzeros
Model has 310 quadratic constraints
Presolve time: 1.80s
Presolved: 156 rows, 366 columns, 366 nonzeros
Variable types: 310 continuous, 56 integer (56 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                      85.0000000          -     -      -    1s
     0     0    0.00000    0   26   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0   43   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0   41   85.00000    0.00000   100%     -    1s
     0     2    0.00000    0   39   85.00000    0.00000   100%     -    1s
*   36    35              21      41.0000000    5.00000  87.8%  46.8    1s
H   74    63                      40.0000000    5.00000  87.5%  36.4    1s
H  138   108                      39.0000000    9.00000  76.9%  39.0    2s
*  187   132              17      37.0000000   11.45455  69.0%  39.8    2s
H  204   125                      34.0000000   11.51613  66.1%  39.3    2s
  2252   324   31.15789   41  186   34.00000   22.85714  32.8%  30.8    5s
* 5491    91              46      33.0000000   30.09524  8.80%  23.9    7s

Explored 5592 nodes (133055 simplex iterations) in 7.85 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%