Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:51:44 2012

Optimize a model with 120 rows, 285 columns and 285 nonzeros
Model has 238 quadratic constraints
Presolve time: 1.39s
Presolved: 120 rows, 285 columns, 285 nonzeros
Variable types: 238 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                      60.0000000          -     -      -    1s
     0     0    0.00000    0   26   60.00000    0.00000   100%     -    1s
     0     0    0.12234    0   47   60.00000    0.12234   100%     -    1s
     0     2    0.12500    0   47   60.00000    0.12500   100%     -    1s
*   37    37              21      32.0000000    3.51515  89.0%  25.2    1s
H  105    80                      31.0000000    6.81481  78.0%  26.7    1s
* 1975   509              31      30.0000000   20.00000  33.3%  22.5    3s
* 2959   600              32      29.0000000   22.20000  23.4%  19.8    3s
  4081   518   25.56410   35  157   29.00000   24.66667  14.9%  18.7    5s

Explored 5146 nodes (91556 simplex iterations) in 6.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%