Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:09:41 2012

Optimize a model with 238 rows, 680 columns and 680 nonzeros
Model has 474 quadratic constraints
Presolve removed 0 rows and 12 columns
Presolve time: 2.77s
Presolved: 238 rows, 668 columns, 668 nonzeros
Variable types: 474 continuous, 194 integer (193 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     108.0000000          -     -      -    2s
     0     0    0.00000    0    4  108.00000    0.00000   100%     -    2s
     0     0    0.00000    0  132  108.00000    0.00000   100%     -    2s
     0     0    0.00000    0  121  108.00000    0.00000   100%     -    2s
     0     2    0.00000    0  119  108.00000    0.00000   100%     -    2s
*   29    27              20      16.0000000    1.96774  87.7%  44.7    2s
H  185    62                      13.0000000    4.57831  64.8%  22.5    3s
*  186    53               8      12.0000000    4.57831  61.8%  23.9    3s

Cutting planes:

Explored 404 nodes (11843 simplex iterations) in 3.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%