Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:00:55 2012

Optimize a model with 146 rows, 315 columns and 315 nonzeros
Model has 290 quadratic constraints
Presolve time: 1.68s
Presolved: 146 rows, 315 columns, 315 nonzeros
Variable types: 290 continuous, 25 integer (25 binary)

Root relaxation: objective 0.000000e+00, 12 iterations, 0.00 seconds

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

H    0     0                      70.0000000          -     -      -    1s
     0     0    0.00000    0   24   70.00000    0.00000   100%     -    1s
     0     0    0.47667    0   25   70.00000    0.47667  99.3%     -    1s
     0     2    0.49653    0   25   70.00000    0.49653  99.3%     -    1s
*   33    33              20      62.0000000    5.41667  91.3%  30.9    1s
H   54    43                      58.0000000    5.44361  90.6%  32.5    1s
* 2145   565              41      57.0000000   31.07960  45.5%  30.2    4s
  2990   719   35.50000   41  170   57.00000   34.80000  38.9%  27.4    5s
* 3010   686              41      55.0000000   34.84615  36.6%  27.3    5s
  7271   586   54.00000   40  148   55.00000   45.69231  16.9%  22.3   10s

Explored 8780 nodes (185684 simplex iterations) in 10.87 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.500000000000e+01, best bound 5.500000000000e+01, gap 0.0%