Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:40 2012

Optimize a model with 108 rows, 279 columns and 279 nonzeros
Model has 214 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.25s
Presolved: 108 rows, 278 columns, 278 nonzeros
Variable types: 214 continuous, 64 integer (63 binary)

Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds

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

H    0     0                      39.0000000          -     -      -    1s
     0     0    0.00000    0   37   39.00000    0.00000   100%     -    1s
     0     0    0.06882    0   60   39.00000    0.06882   100%     -    1s
     0     2    0.08051    0   60   39.00000    0.08051   100%     -    1s
*   24    24              15      19.0000000    2.03390  89.3%  31.4    1s
H   51    37                      16.0000000    2.06452  87.1%  25.0    1s
*   73    47              10      15.0000000    2.83873  81.1%  23.5    1s
*  120    51              12      13.0000000    3.04807  76.6%  23.9    1s

Cutting planes:
  Gomory: 3

Explored 300 nodes (7841 simplex iterations) in 1.47 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%