Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:55:46 2012

Optimize a model with 142 rows, 336 columns and 336 nonzeros
Model has 282 quadratic constraints
Presolve time: 1.64s
Presolved: 142 rows, 336 columns, 336 nonzeros
Variable types: 282 continuous, 54 integer (54 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      80.0000000          -     -      -    1s
     0     0    0.00000    0   29   80.00000    0.00000   100%     -    1s
     0     0    0.03571    0   50   80.00000    0.03571   100%     -    1s
     0     0    0.03571    0   50   80.00000    0.03571   100%     -    1s
     0     2    0.03571    0   48   80.00000    0.03571   100%     -    1s
*   34    34              19      37.0000000    5.61989  84.8%  43.5    1s
*   36    34              20      36.0000000    5.61989  84.4%  42.4    1s
H   62    52                      35.0000000    5.70015  83.7%  39.3    1s
H  165   121                      34.0000000    6.35785  81.3%  35.1    1s
*  204   148              19      33.0000000    6.81395  79.4%  34.6    1s
  3317   792     cutoff   38        33.00000   23.38333  29.1%  23.0    5s
* 8994   469              39      32.0000000   28.76642  10.1%  19.2    9s

Explored 9600 nodes (179946 simplex iterations) in 9.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%