Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:24:40 2012

Optimize a model with 115 rows, 300 columns and 300 nonzeros
Model has 228 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 1.33s
Presolved: 115 rows, 298 columns, 298 nonzeros
Variable types: 228 continuous, 70 integer (69 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                      59.0000000          -     -      -    1s
     0     0    0.00000    0   43   59.00000    0.00000   100%     -    1s
     0     0    0.10448    0   67   59.00000    0.10448   100%     -    1s
H    0     0                      56.0000000    0.10448   100%     -    1s
     0     2    0.16667    0   67   56.00000    0.16667   100%     -    1s
H    8     8                      51.0000000    1.59524  96.9%  56.6    1s
H   24    24                      43.0000000    1.59524  96.3%  38.8    1s
H   40    40                      23.0000000    1.59524  93.1%  28.3    1s
*   43    37              24      22.0000000    1.59524  92.7%  28.0    1s
H   88    71                      21.0000000    3.55060  83.1%  30.2    1s
*   90    66              14      20.0000000    3.55060  82.2%  29.9    1s
*  307   137              17      19.0000000    6.72222  64.6%  23.3    1s
*  792   230              37      17.0000000    9.91071  41.7%  27.5    2s

Explored 964 nodes (25545 simplex iterations) in 2.38 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%