Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:40 2012

Optimize a model with 103 rows, 263 columns and 263 nonzeros
Model has 204 quadratic constraints
Presolve time: 1.20s
Presolved: 103 rows, 263 columns, 263 nonzeros
Variable types: 204 continuous, 59 integer (59 binary)

Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   43   56.00000    0.00000   100%     -    1s
     0     0    0.31316    0   57   56.00000    0.31316  99.4%     -    1s
     0     2    0.45000    0   57   56.00000    0.45000  99.2%     -    1s
H    8     8                      52.0000000    2.33333  95.5%  47.6    1s
*   29    29              17      18.0000000    2.33333  87.0%  27.9    1s
H   87    40                      14.0000000    3.16078  77.4%  24.3    1s
*  317    22              11      13.0000000   11.25000  13.5%  24.3    1s

Cutting planes:
  Gomory: 1

Explored 358 nodes (8564 simplex iterations) in 1.43 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%