Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:01:06 2012

Optimize a model with 152 rows, 327 columns and 327 nonzeros
Model has 302 quadratic constraints
Presolve time: 1.76s
Presolved: 152 rows, 327 columns, 327 nonzeros
Variable types: 302 continuous, 25 integer (25 binary)

Root relaxation: objective 0.000000e+00, 12 iterations, 0.00 seconds

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

H    0     0                      71.0000000          -     -      -    1s
     0     0    0.00000    0   22   71.00000    0.00000   100%     -    1s
     0     0    0.42909    0   25   71.00000    0.42909  99.4%     -    1s
     0     2    0.50000    0   25   71.00000    0.50000  99.3%     -    1s
H   32    32                      66.0000000    6.05455  90.8%  30.3    1s
H   94    73                      65.0000000   10.24298  84.2%  30.7    1s
*   95    74              16      64.0000000   10.24298  84.0%  30.5    1s
*  101    70              15      63.0000000   10.24298  83.7%  29.4    1s
*  138   104              18      62.0000000   10.45248  83.1%  32.1    1s
H  397   218                      61.0000000   20.86276  65.8%  33.4    2s
  2716   860   54.47059   41  176   61.00000   32.00000  47.5%  28.6    5s
* 8004  1507              42      60.0000000   45.79339  23.7%  22.0    8s
  9691  1362     cutoff   43        60.00000   48.69008  18.8%  21.3   10s
 12973   366   57.00000   44  193   60.00000   55.34774  7.75%  20.3   15s

Explored 13461 nodes (268691 simplex iterations) in 15.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+01, best bound 6.000000000000e+01, gap 0.0%