Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:55:18 2012

Optimize a model with 124 rows, 268 columns and 268 nonzeros
Model has 246 quadratic constraints
Presolve time: 1.43s
Presolved: 124 rows, 268 columns, 268 nonzeros
Variable types: 246 continuous, 22 integer (22 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                      62.0000000          -     -      -    1s
     0     0    0.00000    0   20   62.00000    0.00000   100%     -    1s
     0     0    0.50000    0   22   62.00000    0.50000  99.2%     -    1s
     0     0    0.50000    0   22   62.00000    0.50000  99.2%     -    1s
     0     2    0.80556    0   22   62.00000    0.80556  98.7%     -    1s
*   28    28              15      53.0000000    5.88889  88.9%  33.6    1s
*  119    91              14      52.0000000   12.87500  75.2%  32.2    1s
H  141    99                      49.0000000   16.38462  66.6%  32.9    1s
* 3279   407              33      48.0000000   37.40000  22.1%  23.7    4s
* 4213    70              34      47.0000000   44.33745  5.67%  22.0    4s

Explored 4290 nodes (93409 simplex iterations) in 4.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%