Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:56:08 2012

Optimize a model with 126 rows, 273 columns and 273 nonzeros
Model has 250 quadratic constraints
Presolve time: 1.46s
Presolved: 126 rows, 273 columns, 273 nonzeros
Variable types: 250 continuous, 23 integer (23 binary)

Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds

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

H    0     0                      67.0000000          -     -      -    1s
     0     0    0.00000    0   22   67.00000    0.00000   100%     -    1s
     0     0    0.52174    0   23   67.00000    0.52174  99.2%     -    1s
     0     2    0.63333    0   23   67.00000    0.63333  99.1%     -    1s
*   25    25              16      57.0000000    5.03333  91.2%  30.7    1s
*   83    59              17      51.0000000   12.48889  75.5%  26.3    1s
H  190   125                      50.0000000   15.30000  69.4%  27.4    1s
* 1559   312              42      48.0000000   26.75000  44.3%  26.6    3s
  3752    94   46.66667   33  141   48.00000   43.66667  9.03%  22.3    5s

Explored 3894 nodes (85111 simplex iterations) in 5.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.800000000000e+01, best bound 4.800000000000e+01, gap 0.0%