Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:38 2012

Optimize a model with 171 rows, 509 columns and 509 nonzeros
Model has 340 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 1.98s
Presolved: 171 rows, 488 columns, 488 nonzeros
Variable types: 340 continuous, 148 integer (147 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          -     -      -    1s
     0     0    0.00000    0  114   90.00000    0.00000   100%     -    2s
     0     0    0.12704    0  124   90.00000    0.12704   100%     -    2s
H    0     0                      78.0000000    0.12704   100%     -    2s
     0     2    0.12941    0  124   78.00000    0.12941   100%     -    2s
H   55    53                      10.0000000    1.43085  85.7%  16.1    2s
*   61    48              42       9.0000000    1.43085  84.1%  15.0    2s
*   89    36              17       8.0000000    1.48198  81.5%  15.1    2s
*  150     0               6       6.0000000    6.00000   0.0%  17.7    2s

Cutting planes:
  Gomory: 1

Explored 151 nodes (4694 simplex iterations) in 2.15 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%