Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:49:35 2012

Optimize a model with 161 rows, 497 columns and 497 nonzeros
Model has 320 quadratic constraints
Presolve removed 0 rows and 33 columns
Presolve time: 1.88s
Presolved: 161 rows, 464 columns, 464 nonzeros
Variable types: 320 continuous, 144 integer (143 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      69.0000000          -     -      -    1s
     0     0    0.00000    0   57   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   69.00000    0.00000   100%     -    1s
     0     2    0.00000    0   45   69.00000    0.00000   100%     -    1s
*   27    25              22       9.0000000    1.03659  88.5%  30.5    1s
*   42    32              12       7.0000000    1.66482  76.2%  29.5    2s
H   43    31                       7.0000000    1.66482  76.2%  28.9    2s
*   44    25              14       6.0000000    1.66482  72.3%  28.2    2s
*   79    34              18       5.0000000    2.36974  52.6%  21.0    2s

Cutting planes:
  Gomory: 1

Explored 162 nodes (4039 simplex iterations) in 2.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%