Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:31 2012

Optimize a model with 175 rows, 533 columns and 533 nonzeros
Model has 348 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 2.03s
Presolved: 175 rows, 507 columns, 507 nonzeros
Variable types: 348 continuous, 159 integer (158 binary)

Root relaxation: objective 0.000000e+00, 63 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    4   83.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2   83.00000    0.00000   100%     -    2s
     0     2    0.00000    0    2   83.00000    0.00000   100%     -    2s
*   23    23              17      12.0000000    0.00000   100%  45.8    2s
H   27    22                      11.0000000    0.00000   100%  41.8    2s
H   36    19                       8.0000000    0.00000   100%  39.5    2s
*  111    34              17       7.0000000    1.35484  80.6%  26.3    2s
H  121    42                       7.0000000    1.35484  80.6%  24.4    2s
*  213    25              10       6.0000000    2.51613  58.1%  21.3    2s

Cutting planes:

Explored 293 nodes (6435 simplex iterations) in 2.28 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%