Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:59 2012

Optimize a model with 180 rows, 538 columns and 538 nonzeros
Model has 358 quadratic constraints
Presolve removed 0 rows and 28 columns
Presolve time: 2.11s
Presolved: 180 rows, 510 columns, 510 nonzeros
Variable types: 358 continuous, 152 integer (151 binary)

Root relaxation: objective 0.000000e+00, 65 iterations, 0.00 seconds

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

H    0     0                      88.0000000          -     -      -    2s
     0     0    0.00000    0   86   88.00000    0.00000   100%     -    2s
     0     0    0.00000    0  100   88.00000    0.00000   100%     -    2s
     0     0    0.00000    0   92   88.00000    0.00000   100%     -    2s
     0     2    0.00000    0   86   88.00000    0.00000   100%     -    2s
*   16    16              13      11.0000000    1.22883  88.8%  64.8    2s
*   36    27              14       9.0000000    1.49423  83.4%  37.2    2s
*  281    91               8       8.0000000    3.78829  52.6%  18.4    2s
*  829    90              32       7.0000000    5.74067  18.0%  21.8    3s

Explored 851 nodes (20605 simplex iterations) in 3.45 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%