Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:57:49 2012

Optimize a model with 194 rows, 578 columns and 578 nonzeros
Model has 386 quadratic constraints
Presolve removed 0 rows and 18 columns
Presolve time: 2.25s
Presolved: 194 rows, 560 columns, 560 nonzeros
Variable types: 386 continuous, 174 integer (173 binary)

Root relaxation: objective 0.000000e+00, 69 iterations, 0.00 seconds

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

H    0     0                      98.0000000          -     -      -    2s
     0     0    0.00000    0   27   98.00000    0.00000   100%     -    2s
     0     0    0.00000    0    4   98.00000    0.00000   100%     -    2s
     0     0    0.00000    0    4   98.00000    0.00000   100%     -    2s
     0     2    0.00000    0    2   98.00000    0.00000   100%     -    2s
*   24    24              16      11.0000000    0.22634  97.9%  96.7    2s
H   97    59                      10.0000000    0.49123  95.1%  43.7    2s
*  437   110              19       9.0000000    3.04563  66.2%  26.1    2s
H  518   117                       9.0000000    3.49505  61.2%  24.7    2s
*  640    89              12       8.0000000    4.09771  48.8%  23.8    2s

Cutting planes:
  Gomory: 1

Explored 951 nodes (22904 simplex iterations) in 3.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%