Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:33 2012

Optimize a model with 97 rows, 251 columns and 251 nonzeros
Model has 192 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.12s
Presolved: 97 rows, 250 columns, 250 nonzeros
Variable types: 192 continuous, 58 integer (57 binary)

Root relaxation: objective 0.000000e+00, 28 iterations, 0.00 seconds

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

H    0     0                      49.0000000          -     -      -    1s
     0     0    0.00000    0    4   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   39   49.00000    0.00000   100%     -    1s
     0     2    0.00000    0   39   49.00000    0.00000   100%     -    1s
H   40    40                      21.0000000    3.22000  84.7%  19.2    1s
*   40    40              23      20.0000000    3.22000  83.9%  19.2    1s
*   60    38              15      14.0000000    3.22368  77.0%  17.2    1s
H  116    61                      13.0000000    5.31818  59.1%  17.6    1s
*  199    52               9      12.0000000    6.66667  44.4%  17.5    1s

Cutting planes:

Explored 323 nodes (6226 simplex iterations) in 1.30 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%