Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:27:02 2012

Optimize a model with 130 rows, 332 columns and 332 nonzeros
Model has 258 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.50s
Presolved: 130 rows, 331 columns, 331 nonzeros
Variable types: 258 continuous, 73 integer (72 binary)

Root relaxation: objective 0.000000e+00, 36 iterations, 0.00 seconds

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

H    0     0                      60.0000000          -     -      -    1s
     0     0    0.00000    0   29   60.00000    0.00000   100%     -    1s
     0     0    0.00000    0   55   60.00000    0.00000   100%     -    1s
     0     0    0.00000    0   52   60.00000    0.00000   100%     -    1s
     0     2    0.00000    0   51   60.00000    0.00000   100%     -    1s
*   36    32              22      23.0000000    4.66667  79.7%  26.7    1s
H   60    38                      20.0000000    4.92308  75.4%  26.4    1s
*  997   267              39      19.0000000   11.60124  38.9%  33.8    2s

Explored 1972 nodes (52053 simplex iterations) in 3.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%