Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:56:08 2012

Optimize a model with 160 rows, 401 columns and 401 nonzeros
Model has 318 quadratic constraints
Presolve time: 1.86s
Presolved: 160 rows, 401 columns, 401 nonzeros
Variable types: 318 continuous, 83 integer (83 binary)

Root relaxation: objective 0.000000e+00, 41 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          -     -      -    1s
     0     0    0.00000    0   75   88.00000    0.00000   100%     -    1s
     0     0    0.43911    0   81   88.00000    0.43911   100%     -    1s
H    0     0                      85.0000000    0.43911  99.5%     -    1s
     0     2    0.55894    0   81   85.00000    0.55894  99.3%     -    1s
H   16    16                      73.0000000    3.59252  95.1%  37.8    1s
*   43    41              26      31.0000000    3.59252  88.4%  28.3    1s
H  125    97                      30.0000000    4.16962  86.1%  28.1    2s
H  190   133                      29.0000000    7.56716  73.9%  28.9    2s
H  293   118                      26.0000000    8.88975  65.8%  26.6    2s
*  304   120              16      25.0000000    8.88975  64.4%  26.4    2s

Cutting planes:
  Gomory: 2

Explored 1621 nodes (46841 simplex iterations) in 3.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%