Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:36:14 2012

Optimize a model with 155 rows, 474 columns and 474 nonzeros
Model has 308 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 1.79s
Presolved: 155 rows, 451 columns, 451 nonzeros
Variable types: 308 continuous, 143 integer (142 binary)

Root relaxation: objective 0.000000e+00, 55 iterations, 0.00 seconds

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

H    0     0                      85.0000000          -     -      -    1s
     0     0    0.00000    0   83   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0  101   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0   94   85.00000    0.00000   100%     -    1s
     0     2    0.00000    0   94   85.00000    0.00000   100%     -    1s
H    8     8                      46.0000000    1.39286  97.0%  83.8    1s
H   37    32                      10.0000000    1.39286  86.1%  34.3    1s
*   40    28              26       9.0000000    1.39286  84.5%  33.4    1s
H   54    28                       8.0000000    1.40000  82.5%  27.9    1s
*   58    28              14       7.0000000    1.40000  80.0%  26.7    1s
H  527    75                       7.0000000    5.60000  20.0%  16.3    2s

Cutting planes:
  Gomory: 1

Explored 668 nodes (11391 simplex iterations) in 2.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.999999999091e+00, best bound 6.999999999091e+00, gap 0.0%