Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:44:16 2012

Optimize a model with 164 rows, 502 columns and 502 nonzeros
Model has 326 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.90s
Presolved: 164 rows, 475 columns, 475 nonzeros
Variable types: 326 continuous, 149 integer (148 binary)

Root relaxation: objective 0.000000e+00, 59 iterations, 0.00 seconds

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

H    0     0                      91.0000000          -     -      -    1s
     0     0    0.00000    0   40   91.00000    0.00000   100%     -    1s
     0     0    0.00000    0   28   91.00000    0.00000   100%     -    1s
     0     0    0.00000    0   27   91.00000    0.00000   100%     -    1s
     0     2    0.00000    0   27   91.00000    0.00000   100%     -    1s
*   28    25              21      11.0000000    0.31429  97.1%  39.5    2s
H   36    20                      10.0000000    0.51676  94.8%  37.9    2s
H   40    18                       8.0000000    0.51676  93.5%  41.8    2s
H  101    34                       7.0000000    0.67568  90.3%  26.9    2s
*  101    25              14       6.0000000    0.67568  88.7%  26.9    2s

Cutting planes:
  Gomory: 1

Explored 319 nodes (7138 simplex iterations) in 2.17 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%