Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:08 2012

Optimize a model with 190 rows, 577 columns and 577 nonzeros
Model has 378 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 2.20s
Presolved: 190 rows, 556 columns, 556 nonzeros
Variable types: 378 continuous, 178 integer (177 binary)

Root relaxation: objective 0.000000e+00, 67 iterations, 0.00 seconds

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

H    0     0                      83.0000000          -     -      -    2s
     0     0    0.00000    0    2   83.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2   83.00000    0.00000   100%     -    2s
     0     0    0.00000    0   92   83.00000    0.00000   100%     -    2s
     0     2    0.00000    0   92   83.00000    0.00000   100%     -    2s
*   31    31              22      10.0000000    1.61111  83.9%  40.5    2s
*   75    42              17       8.0000000    1.65566  79.3%  21.6    2s
H  123    67                       8.0000000    2.38776  70.2%  18.2    2s
*  124    50              16       7.0000000    2.38776  65.9%  18.1    2s
H  351    85                       7.0000000    3.92174  44.0%  13.6    2s
*  566    30              11       6.0000000    4.91549  18.1%  16.0    2s

Cutting planes:

Explored 603 nodes (11562 simplex iterations) in 2.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%