Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:29:44 2012

Optimize a model with 159 rows, 391 columns and 391 nonzeros
Model has 316 quadratic constraints
Presolve time: 1.86s
Presolved: 159 rows, 391 columns, 391 nonzeros
Variable types: 316 continuous, 75 integer (75 binary)

Root relaxation: objective 0.000000e+00, 37 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   66   77.00000    0.00000   100%     -    1s
     0     0    0.39913    0   67   77.00000    0.39913  99.5%     -    1s
     0     2    0.40909    0   67   77.00000    0.40909  99.5%     -    1s
*   40    40              27      36.0000000    5.09091  85.9%  37.4    1s
*   41    39              26      34.0000000    5.09091  85.0%  36.7    1s
H   93    73                      33.0000000    7.16510  78.3%  34.0    2s
*  298   174              17      32.0000000   10.97959  65.7%  32.2    2s
* 2082   652              53      31.0000000   17.15530  44.7%  26.2    4s
  2258   700   27.10345   34  212   31.00000   18.00000  41.9%  25.4    5s
* 3665   908              47      30.0000000   20.73214  30.9%  22.6    6s
  5111   937   26.83333   36  207   30.00000   22.66667  24.4%  21.0   10s

Explored 8400 nodes (162096 simplex iterations) in 14.66 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%