Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:44 2012

Optimize a model with 173 rows, 529 columns and 529 nonzeros
Model has 344 quadratic constraints
Presolve removed 0 rows and 30 columns
Presolve time: 2.00s
Presolved: 173 rows, 499 columns, 499 nonzeros
Variable types: 344 continuous, 155 integer (154 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                      90.0000000          -     -      -    2s
     0     0    0.00000    0   80   90.00000    0.00000   100%     -    2s
     0     0    0.00000    0  120   90.00000    0.00000   100%     -    2s
     0     0    0.00000    0  116   90.00000    0.00000   100%     -    2s
     0     2    0.00000    0   83   90.00000    0.00000   100%     -    2s
*   31    23              21       6.0000000    1.10345  81.6%  43.9    2s
H  352     1                       6.0000000    5.87750  2.04%  16.9    2s

Cutting planes:
  Gomory: 3

Explored 354 nodes (7636 simplex iterations) in 2.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.999999998853e+00, best bound 5.999999998853e+00, gap 0.0%