Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:28:42 2012

Optimize a model with 122 rows, 317 columns and 317 nonzeros
Model has 242 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.41s
Presolved: 122 rows, 316 columns, 316 nonzeros
Variable types: 242 continuous, 74 integer (73 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                      57.0000000          -     -      -    1s
     0     0    0.00000    0   35   57.00000    0.00000   100%     -    1s
     0     0    0.00000    0   44   57.00000    0.00000   100%     -    1s
     0     0    0.00000    0   43   57.00000    0.00000   100%     -    1s
     0     2    0.00000    0   43   57.00000    0.00000   100%     -    1s
*   37    33              26      23.0000000    2.38462  89.6%  30.2    1s
H   69    52                      22.0000000    3.80769  82.7%  23.3    1s
*  103    51              22      19.0000000    5.00000  73.7%  22.1    1s
*  440   137              14      18.0000000   10.23529  43.1%  18.3    1s
*  992   177              30      17.0000000   11.88679  30.1%  25.0    2s

Explored 1418 nodes (32284 simplex iterations) in 2.85 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%