Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:43:17 2012

Optimize a model with 238 rows, 694 columns and 694 nonzeros
Model has 474 quadratic constraints
Presolve removed 0 rows and 28 columns
Presolve time: 2.76s
Presolved: 238 rows, 666 columns, 666 nonzeros
Variable types: 474 continuous, 192 integer (191 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                     124.0000000          -     -      -    2s
     0     0    0.00000    0    4  124.00000    0.00000   100%     -    2s
     0     0    0.00000    0    3  124.00000    0.00000   100%     -    2s
     0     0    0.00000    0  139  124.00000    0.00000   100%     -    2s
     0     2    0.00000    0  138  124.00000    0.00000   100%     -    2s
H   27    27                      59.0000000    2.39286  95.9%  49.0    3s
H   51    51                      19.0000000    2.39286  87.4%  31.2    3s
*   51    49              40      17.0000000    2.39286  85.9%  31.2    3s
H  154    97                      16.0000000    4.93333  69.2%  21.4    3s
H  354   109                      14.0000000    5.83333  58.3%  19.1    3s
*  416    79               9      12.0000000    6.62791  44.8%  19.8    3s

Cutting planes:

Explored 714 nodes (16802 simplex iterations) in 3.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%