Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:18:47 2012

Optimize a model with 233 rows, 676 columns and 676 nonzeros
Model has 464 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 2.71s
Presolved: 233 rows, 653 columns, 653 nonzeros
Variable types: 464 continuous, 189 integer (188 binary)

Root relaxation: objective 0.000000e+00, 81 iterations, 0.00 seconds

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

H    0     0                     104.0000000          -     -      -    2s
     0     0    0.00000    0  116  104.00000    0.00000   100%     -    2s
     0     0    0.00000    0  168  104.00000    0.00000   100%     -    2s
     0     0    0.00000    0  168  104.00000    0.00000   100%     -    2s
     0     2    0.00000    0  162  104.00000    0.00000   100%     -    2s
H   54    54                      22.0000000    2.00000  90.9%  29.4    2s
*   56    46              31      19.0000000    2.00000  89.5%  30.8    2s
H   79    45                      15.0000000    2.16071  85.6%  32.0    2s
*  158    74              12      14.0000000    5.40433  61.4%  34.6    3s
*  343    60              10      13.0000000    7.84848  39.6%  31.6    3s

Cutting planes:
  Gomory: 3

Explored 528 nodes (18299 simplex iterations) in 3.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%