Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:08 2012

Optimize a model with 122 rows, 308 columns and 308 nonzeros
Model has 242 quadratic constraints
Presolve time: 1.41s
Presolved: 122 rows, 308 columns, 308 nonzeros
Variable types: 242 continuous, 66 integer (66 binary)

Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds

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

H    0     0                      62.0000000          -     -      -    1s
     0     0    0.00000    0   11   62.00000    0.00000   100%     -    1s
     0     0    0.00000    0   12   62.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   62.00000    0.00000   100%     -    1s
     0     2    0.00000    0   55   62.00000    0.00000   100%     -    1s
*   44    36              28      27.0000000    3.86667  85.7%  26.3    1s
*   76    56              20      26.0000000    4.22222  83.8%  23.5    1s
*  105    76              20      24.0000000    4.95000  79.4%  24.5    1s
*  164    90              20      22.0000000    5.18274  76.4%  23.9    1s
*  287    91              12      19.0000000    8.00000  57.9%  23.1    1s

Cutting planes:

Explored 1380 nodes (32243 simplex iterations) in 2.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%