Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:51:54 2012

Optimize a model with 111 rows, 267 columns and 267 nonzeros
Model has 220 quadratic constraints
Presolve time: 1.28s
Presolved: 111 rows, 267 columns, 267 nonzeros
Variable types: 220 continuous, 47 integer (47 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   45   56.00000    0.00000   100%     -    1s
     0     0    0.48743    0   47   56.00000    0.48743  99.1%     -    1s
     0     2    0.54545    0   47   56.00000    0.54545  99.0%     -    1s
*   31    31              18      31.0000000    3.53636  88.6%  30.1    1s
*   32    28              18      30.0000000    3.53636  88.2%  29.8    1s
*   57    49              18      29.0000000    3.70130  87.2%  27.9    1s
*   61    51              21      28.0000000    3.70130  86.8%  26.4    1s
H  119    82                      27.0000000    5.87879  78.2%  24.7    1s
*  120    78              17      26.0000000    5.87879  77.4%  24.7    1s
*  337   142              13      25.0000000    9.00000  64.0%  23.4    1s
* 1505   202              46      24.0000000   16.45000  31.5%  24.5    2s

Explored 2184 nodes (47608 simplex iterations) in 3.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%