Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:49:42 2012

Optimize a model with 174 rows, 523 columns and 523 nonzeros
Model has 346 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 2.02s
Presolved: 174 rows, 498 columns, 498 nonzeros
Variable types: 346 continuous, 152 integer (151 binary)

Root relaxation: objective 0.000000e+00, 63 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          -     -      -    2s
     0     0    0.00000    0   89   91.00000    0.00000   100%     -    2s
     0     0    0.00000    0  110   91.00000    0.00000   100%     -    2s
     0     0    0.00000    0   87   91.00000    0.00000   100%     -    2s
     0     2    0.00000    0   87   91.00000    0.00000   100%     -    2s
*   28    26              20       9.0000000    1.62602  81.9%  39.7    2s
*  145    43               8       8.0000000    2.88372  64.0%  24.3    2s
H  204    64                       8.0000000    2.92771  63.4%  21.7    2s
*  204    21               7       7.0000000    2.92771  58.2%  21.7    2s

Cutting planes:
  Gomory: 1

Explored 247 nodes (7828 simplex iterations) in 2.32 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%