Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:04:01 2012

Optimize a model with 208 rows, 614 columns and 614 nonzeros
Model has 414 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 2.41s
Presolved: 208 rows, 589 columns, 589 nonzeros
Variable types: 414 continuous, 175 integer (174 binary)

Root relaxation: objective 0.000000e+00, 73 iterations, 0.00 seconds

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

H    0     0                      90.0000000          -     -      -    2s
     0     0    0.00000    0  149   90.00000    0.00000   100%     -    2s
     0     0    0.24020    0  169   90.00000    0.24020   100%     -    2s
     0     2    0.26641    0  169   90.00000    0.26641   100%     -    2s
*   50    32              29      13.0000000    1.69048  87.0%  43.5    2s
   607   156    8.49019   14  580   13.00000    8.49019  34.7%  24.9    5s
* 1619    89              39      12.0000000    9.53659  20.5%  27.8    6s

Explored 1759 nodes (51962 simplex iterations) in 6.93 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%