Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:26 2012

Optimize a model with 179 rows, 543 columns and 543 nonzeros
Model has 356 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 2.07s
Presolved: 179 rows, 517 columns, 517 nonzeros
Variable types: 356 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                      88.0000000          -     -      -    2s
     0     0    0.00000    0   64   88.00000    0.00000   100%     -    2s
     0     0    0.00000    0   96   88.00000    0.00000   100%     -    2s
     0     0    0.00000    0   95   88.00000    0.00000   100%     -    2s
     0     2    0.00000    0   95   88.00000    0.00000   100%     -    2s
*   30    30              19      11.0000000    1.54929  85.9%  38.8    2s
H  112    77                      10.0000000    2.32857  76.7%  18.4    2s
H  233   110                       9.0000000    3.21566  64.3%  16.1    2s
H  305   101                       8.0000000    4.00000  50.0%  15.8    2s
*  307    56              18       7.0000000    4.00000  42.9%  16.0    2s

Cutting planes:
  Gomory: 2

Explored 460 nodes (8727 simplex iterations) in 2.46 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%