Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:30:56 2012

Optimize a model with 123 rows, 320 columns and 320 nonzeros
Model has 244 quadratic constraints
Presolve time: 1.44s
Presolved: 123 rows, 320 columns, 320 nonzeros
Variable types: 244 continuous, 76 integer (76 binary)

Root relaxation: objective 0.000000e+00, 38 iterations, 0.00 seconds

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

H    0     0                      51.0000000          -     -      -    1s
     0     0    0.00000    0    2   51.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   51.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   51.00000    0.00000   100%     -    1s
     0     2    0.00000    0   60   51.00000    0.00000   100%     -    1s
*   31    31              21      16.0000000    2.08108  87.0%  23.1    1s
H   89    34                      13.0000000    2.57377  80.2%  20.2    1s

Cutting planes:
  Gomory: 1

Explored 469 nodes (10515 simplex iterations) in 1.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.299999999973e+01, best bound 1.299999999973e+01, gap 0.0%