Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:20 2012

Optimize a model with 142 rows, 349 columns and 349 nonzeros
Model has 282 quadratic constraints
Presolve time: 1.64s
Presolved: 142 rows, 349 columns, 349 nonzeros
Variable types: 282 continuous, 67 integer (67 binary)

Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds

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

H    0     0                      60.0000000          -     -      -    1s
     0     0    0.00000    0   50   60.00000    0.00000   100%     -    1s
     0     0    0.33333    0   66   60.00000    0.33333  99.4%     -    1s
     0     2    0.35431    0   66   60.00000    0.35431  99.4%     -    1s
*   37    37              25      29.0000000    2.84804  90.2%  23.0    1s
*  128    89              20      28.0000000    4.82456  82.8%  26.2    1s
*  294   142              20      27.0000000    8.37500  69.0%  24.3    1s
*  463   175              13      26.0000000   12.10417  53.4%  24.6    2s
  3600   527   25.75758   44  148   26.00000   20.50113  21.1%  18.3    5s

Explored 6335 nodes (102143 simplex iterations) in 6.71 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%