Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:32:55 2012

Optimize a model with 146 rows, 448 columns and 448 nonzeros
Model has 290 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.69s
Presolved: 146 rows, 421 columns, 421 nonzeros
Variable types: 290 continuous, 131 integer (130 binary)

Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds

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

H    0     0                      60.0000000          -     -      -    1s
     0     0    0.00000    0    3   60.00000    0.00000   100%     -    1s
     0     0    0.00000    0    3   60.00000    0.00000   100%     -    1s
     0     0    0.00000    0   62   60.00000    0.00000   100%     -    1s
     0     2    0.00000    0   61   60.00000    0.00000   100%     -    1s
*   34    34              28      11.0000000    1.04545  90.5%  28.1    1s
H   54    43                      10.0000000    1.19048  88.1%  21.4    1s
*   60    38              18       9.0000000    1.19048  86.8%  21.5    1s
*   77    36              16       8.0000000    1.50000  81.2%  19.7    1s
*  428    81               9       7.0000000    4.13158  41.0%  13.0    1s

Cutting planes:

Explored 845 nodes (11512 simplex iterations) in 2.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%