Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:13 2012

Optimize a model with 122 rows, 264 columns and 264 nonzeros
Model has 242 quadratic constraints
Presolve time: 1.40s
Presolved: 122 rows, 264 columns, 264 nonzeros
Variable types: 242 continuous, 22 integer (22 binary)

Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds

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

H    0     0                      69.0000000          -     -      -    1s
     0     0    0.00000    0   20   69.00000    0.00000   100%     -    1s
     0     0    0.50000    0   22   69.00000    0.50000  99.3%     -    1s
     0     0    0.50000    0   22   69.00000    0.50000  99.3%     -    1s
     0     2    0.52910    0   22   69.00000    0.52910  99.2%     -    1s
*   30    30              16      50.0000000    5.73333  88.5%  36.3    1s
*  555   213              13      48.0000000   24.50000  49.0%  26.0    1s

Explored 4773 nodes (100471 simplex iterations) in 4.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.800000000000e+01, best bound 4.800000000000e+01, gap 0.0%