Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:09:00 2012

Optimize a model with 225 rows, 653 columns and 653 nonzeros
Model has 448 quadratic constraints
Presolve removed 0 rows and 19 columns
Presolve time: 2.61s
Presolved: 225 rows, 634 columns, 634 nonzeros
Variable types: 448 continuous, 186 integer (185 binary)

Root relaxation: objective 0.000000e+00, 79 iterations, 0.00 seconds

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

H    0     0                     116.0000000          -     -      -    2s
     0     0    0.00000    0    2  116.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  116.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  116.00000    0.00000   100%     -    2s
     0     2    0.00000    0    2  116.00000    0.00000   100%     -    2s
*   29    29              23      15.0000000    0.27338  98.2%  41.7    2s
H   58    47                      14.0000000    1.00000  92.9%  33.5    2s
*   63    50              27      13.0000000    1.00000  92.3%  33.9    2s
   603   168    7.81000   10  397   13.00000    6.68421  48.6%  22.4    5s

Explored 2219 nodes (48558 simplex iterations) in 7.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%