Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:11:48 2012

Optimize a model with 265 rows, 754 columns and 754 nonzeros
Model has 528 quadratic constraints
Presolve removed 0 rows and 15 columns
Presolve time: 3.08s
Presolved: 265 rows, 739 columns, 739 nonzeros
Variable types: 528 continuous, 211 integer (210 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                     127.0000000          -     -      -    3s
     0     0    0.00000    0    3  127.00000    0.00000   100%     -    3s
     0     0    0.00000    0    2  127.00000    0.00000   100%     -    3s
     0     0    0.00000    0    2  127.00000    0.00000   100%     -    3s
     0     2    0.00000    0  145  127.00000    0.00000   100%     -    3s
H   48    48                      29.0000000    3.30233  88.6%  52.7    3s
*   59    57              38      28.0000000    3.30233  88.2%  48.1    3s
H   96    57                      21.0000000    4.13793  80.3%  35.2    3s
H  150    99                      20.0000000    4.36842  78.2%  29.2    3s
H  186    92                      18.0000000    4.60606  74.4%  28.3    3s
*  213    97              23      17.0000000    4.63158  72.8%  28.5    3s
  1108   179   13.12500    9    2   17.00000   11.73585  31.0%  23.5    8s
  1195   213   14.66250   25  380   17.00000   11.73585  31.0%  29.5   10s
* 1274   212              27      15.0000000   11.73585  21.8%  31.4   10s

Explored 1853 nodes (71569 simplex iterations) in 12.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%