Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:09:24 2012

Optimize a model with 212 rows, 628 columns and 628 nonzeros
Model has 422 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 2.46s
Presolved: 212 rows, 603 columns, 603 nonzeros
Variable types: 422 continuous, 181 integer (180 binary)

Root relaxation: objective 0.000000e+00, 75 iterations, 0.00 seconds

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

H    0     0                     113.0000000          -     -      -    2s
     0     0    0.00000    0    2  113.00000    0.00000   100%     -    2s
     0     0    0.00000    0    3  113.00000    0.00000   100%     -    2s
     0     0    0.00000    0   59  113.00000    0.00000   100%     -    2s
     0     2    0.00000    0   55  113.00000    0.00000   100%     -    2s
*   33    33              24      18.0000000    1.27660  92.9%  44.0    2s
H   93    40                      14.0000000    1.73626  87.6%  25.0    2s
*  103    41              25      13.0000000    1.73626  86.6%  27.4    2s
*  157    52              19      12.0000000    2.07500  82.7%  26.0    2s
*  284    69              26      11.0000000    5.70248  48.2%  23.0    2s
H  293    49                      10.0000000    5.77941  42.2%  22.7    2s
*  428    34              15       9.0000000    7.61355  15.4%  20.4    2s

Cutting planes:

Explored 496 nodes (10760 simplex iterations) in 2.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%