Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:05 2012

Optimize a model with 211 rows, 615 columns and 615 nonzeros
Model has 420 quadratic constraints
Presolve removed 0 rows and 17 columns
Presolve time: 2.45s
Presolved: 211 rows, 598 columns, 598 nonzeros
Variable types: 420 continuous, 178 integer (177 binary)

Root relaxation: objective 0.000000e+00, 75 iterations, 0.00 seconds

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

H    0     0                     114.0000000          -     -      -    2s
     0     0    0.00000    0    8  114.00000    0.00000   100%     -    2s
     0     0    0.00000    0   73  114.00000    0.00000   100%     -    2s
     0     0    0.00000    0  138  114.00000    0.00000   100%     -    2s
     0     2    0.00000    0  137  114.00000    0.00000   100%     -    2s
H   42    42                      18.0000000    1.83681  89.8%  42.8    2s
*   44    42              27      16.0000000    1.83681  88.5%  42.0    2s
H   81    72                      15.0000000    2.84091  81.1%  30.7    2s
H  137    55                      13.0000000    2.97222  77.1%  24.3    2s

Cutting planes:

Explored 1658 nodes (31817 simplex iterations) in 3.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%