Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:22:49 2012

Optimize a model with 131 rows, 329 columns and 329 nonzeros
Model has 260 quadratic constraints
Presolve time: 1.54s
Presolved: 131 rows, 329 columns, 329 nonzeros
Variable types: 260 continuous, 69 integer (69 binary)

Root relaxation: objective 0.000000e+00, 34 iterations, 0.00 seconds

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

H    0     0                      67.0000000          -     -      -    1s
     0     0    0.00000    0    2   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   67.00000    0.00000   100%     -    1s
     0     2    0.00000    0    2   67.00000    0.00000   100%     -    1s
H   27    27                      32.0000000    1.92593  94.0%  42.4    1s
*   33    30              25      29.0000000    1.92593  93.4%  38.6    1s
H   56    42                      27.0000000    1.92857  92.9%  30.4    1s
*  199   116              16      26.0000000    6.51667  74.9%  24.7    1s
*  471   179              15      24.0000000   11.96154  50.2%  23.1    1s
* 1325   278              48      23.0000000   12.50820  45.6%  25.2    3s

Explored 2865 nodes (60898 simplex iterations) in 4.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%