Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:23:41 2012

Optimize a model with 239 rows, 691 columns and 691 nonzeros
Model has 476 quadratic constraints
Presolve removed 0 rows and 13 columns
Presolve time: 2.78s
Presolved: 239 rows, 678 columns, 678 nonzeros
Variable types: 476 continuous, 202 integer (201 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     117.0000000          -     -      -    2s
     0     0    0.00000    0   85  117.00000    0.00000   100%     -    2s
     0     0    0.00000    0  100  117.00000    0.00000   100%     -    2s
     0     0    0.00000    0   94  117.00000    0.00000   100%     -    2s
     0     2    0.00000    0   83  117.00000    0.00000   100%     -    2s
*   37    35              30      15.0000000    2.08571  86.1%  34.6    3s
H   80    44                      14.0000000    2.11111  84.9%  22.1    3s
H  429   110                      12.0000000    6.96591  42.0%  17.5    3s
*  431    75              15      11.0000000    6.96591  36.7%  17.5    3s

Cutting planes:

Explored 726 nodes (15287 simplex iterations) in 3.55 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%