Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:33 2012

Optimize a model with 187 rows, 565 columns and 565 nonzeros
Model has 372 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 2.17s
Presolved: 187 rows, 542 columns, 542 nonzeros
Variable types: 372 continuous, 170 integer (169 binary)

Root relaxation: objective 0.000000e+00, 67 iterations, 0.00 seconds

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

H    0     0                      87.0000000          -     -      -    2s
     0     0    0.00000    0   33   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0   42   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0    3   87.00000    0.00000   100%     -    2s
     0     2    0.00000    0  119   87.00000    0.00000   100%     -    2s
*   34    30              20       9.0000000    0.84168  90.6%  47.0    2s
H   67    30                       8.0000000    1.30988  83.6%  32.4    2s
*   80    30              20       7.0000000    1.30988  81.3%  35.2    2s

Cutting planes:

Explored 229 nodes (6972 simplex iterations) in 2.47 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%