Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:14:47 2012

Optimize a model with 135 rows, 318 columns and 318 nonzeros
Model has 268 quadratic constraints
Presolve time: 1.56s
Presolved: 135 rows, 318 columns, 318 nonzeros
Variable types: 268 continuous, 50 integer (50 binary)

Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds

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

H    0     0                      77.0000000          -     -      -    1s
     0     0    0.00000    0   25   77.00000    0.00000   100%     -    1s
     0     0    0.00000    0   40   77.00000    0.00000   100%     -    1s
     0     0    0.00000    0   35   77.00000    0.00000   100%     -    1s
     0     2    0.00000    0   35   77.00000    0.00000   100%     -    1s
*   39    39              23      34.0000000    6.16617  81.9%  33.1    1s
*   42    39              25      33.0000000    6.16617  81.3%  31.2    1s
H  500   194                      31.0000000   15.30209  50.6%  26.4    1s
  3913   878     cutoff   35        31.00000   22.29339  28.1%  20.6    5s
* 7859   560              37      30.0000000   26.58310  11.4%  18.3    7s

Explored 8562 nodes (153405 simplex iterations) in 8.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%