Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:07 2012

Optimize a model with 90 rows, 219 columns and 219 nonzeros
Model has 178 quadratic constraints
Presolve time: 1.04s
Presolved: 90 rows, 219 columns, 219 nonzeros
Variable types: 178 continuous, 41 integer (41 binary)

Root relaxation: objective 0.000000e+00, 20 iterations, 0.00 seconds

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

H    0     0                      48.0000000          -     -      -    1s
     0     0    0.00000    0    2   48.00000    0.00000   100%     -    1s
     0     0    0.00000    0   38   48.00000    0.00000   100%     -    1s
     0     0    0.00000    0   36   48.00000    0.00000   100%     -    1s
     0     2    0.00000    0   33   48.00000    0.00000   100%     -    1s
*   25    25              16      19.0000000    3.72414  80.4%  24.3    1s
*  355    59               8      18.0000000   12.94118  28.1%  21.2    1s

Cutting planes:

Explored 497 nodes (10293 simplex iterations) in 1.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%