Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:44:01 2012

Optimize a model with 173 rows, 520 columns and 520 nonzeros
Model has 344 quadratic constraints
Presolve removed 0 rows and 31 columns
Presolve time: 2.01s
Presolved: 173 rows, 489 columns, 489 nonzeros
Variable types: 344 continuous, 145 integer (144 binary)

Root relaxation: objective 0.000000e+00, 61 iterations, 0.00 seconds

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

H    0     0                      75.0000000          -     -      -    2s
     0     0    0.00000    0    8   75.00000    0.00000   100%     -    2s
     0     0    0.00000    0  101   75.00000    0.00000   100%     -    2s
     0     0    0.00000    0   64   75.00000    0.00000   100%     -    2s
     0     2    0.00000    0   64   75.00000    0.00000   100%     -    2s
*   38    35              30      10.0000000    1.60000  84.0%  30.8    2s
*  339   105              21       9.0000000    4.80000  46.7%  19.7    2s

Cutting planes:

Explored 790 nodes (14134 simplex iterations) in 2.49 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%