Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:45 2012

Optimize a model with 81 rows, 211 columns and 211 nonzeros
Model has 160 quadratic constraints
Presolve time: 0.93s
Presolved: 81 rows, 211 columns, 211 nonzeros
Variable types: 160 continuous, 51 integer (51 binary)

Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds

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

H    0     0                      40.0000000          -     -      -    0s
     0     0    0.00000    0   24   40.00000    0.00000   100%     -    0s
     0     0    0.00000    0   47   40.00000    0.00000   100%     -    0s
     0     0    0.00000    0   45   40.00000    0.00000   100%     -    0s
     0     2    0.00000    0   45   40.00000    0.00000   100%     -    0s
*   31    31              18      18.0000000    1.57576  91.2%  29.9    0s
H   54    42                      14.0000000    2.82353  79.8%  26.1    0s
*   76    50              11      13.0000000    3.00000  76.9%  24.3    0s
*  124    63              12      12.0000000    3.90909  67.4%  23.8    1s

Cutting planes:

Explored 433 nodes (8334 simplex iterations) in 1.11 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%