Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:50:52 2012

Optimize a model with 255 rows, 730 columns and 730 nonzeros
Model has 508 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 2.96s
Presolved: 255 rows, 710 columns, 710 nonzeros
Variable types: 508 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                     122.0000000          -     -      -    2s
     0     0    0.00000    0   33  122.00000    0.00000   100%     -    2s
     0     0    0.00000    0   43  122.00000    0.00000   100%     -    2s
     0     0    0.00000    0   43  122.00000    0.00000   100%     -    3s
     0     2    0.00000    0   43  122.00000    0.00000   100%     -    3s
*   25    25              21      23.0000000    1.02938  95.5%  56.0    3s
*   77    61              38      19.0000000    1.87654  90.1%  36.2    3s
H  410   164                      18.0000000    5.34921  70.3%  24.1    3s
   625   244   12.31522   23  411   18.00000    7.20842  60.0%  31.2    5s
*  751   283              34      16.0000000    7.20842  54.9%  41.1    5s
H 1139   229                      15.0000000    8.00000  46.7%  37.6    6s

Explored 2275 nodes (73024 simplex iterations) in 8.52 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%