Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:04 2012

Optimize a model with 161 rows, 483 columns and 483 nonzeros
Model has 320 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 1.87s
Presolved: 161 rows, 460 columns, 460 nonzeros
Variable types: 320 continuous, 140 integer (139 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      78.0000000          -     -      -    1s
     0     0    0.00000    0   32   78.00000    0.00000   100%     -    1s
     0     0    0.00000    0   30   78.00000    0.00000   100%     -    1s
     0     0    0.00000    0   30   78.00000    0.00000   100%     -    1s
     0     2    0.00000    0   91   78.00000    0.00000   100%     -    1s
H   16    16                      16.0000000    1.61029  89.9%  62.9    1s
*   28    28              17       8.0000000    1.61029  79.9%  41.9    2s
H  181    52                       8.0000000    4.54839  43.1%  27.1    2s
*  324    38              14       7.0000000    5.49283  21.5%  20.8    2s

Cutting planes:
  Gomory: 2

Explored 429 nodes (8610 simplex iterations) in 2.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%