Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:59 2012

Optimize a model with 178 rows, 542 columns and 542 nonzeros
Model has 354 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 2.06s
Presolved: 178 rows, 515 columns, 515 nonzeros
Variable types: 354 continuous, 161 integer (160 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                      83.0000000          -     -      -    2s
     0     0    0.00000    0   67   83.00000    0.00000   100%     -    2s
     0     0    0.00000    0   97   83.00000    0.00000   100%     -    2s
     0     0    0.00000    0  129   83.00000    0.00000   100%     -    2s
     0     2    0.00000    0  129   83.00000    0.00000   100%     -    2s
H   27    27                      13.0000000    1.85714  85.7%  37.8    2s
*   37    27              26       9.0000000    1.85714  79.4%  31.0    2s
*  444    77              12       8.0000000    4.39651  45.0%  14.2    2s
H  466    75                       8.0000000    4.79630  40.0%  14.2    2s
*  560    31               6       7.0000000    5.76000  17.7%  14.8    2s

Cutting planes:

Explored 600 nodes (10787 simplex iterations) in 2.48 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%