Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:36:41 2012

Optimize a model with 133 rows, 342 columns and 342 nonzeros
Model has 264 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.54s
Presolved: 133 rows, 341 columns, 341 nonzeros
Variable types: 264 continuous, 77 integer (76 binary)

Root relaxation: objective 0.000000e+00, 38 iterations, 0.00 seconds

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

H    0     0                      67.0000000          -     -      -    1s
     0     0    0.00000    0   39   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0   69   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0   69   67.00000    0.00000   100%     -    1s
     0     2    0.08333    0   68   67.00000    0.08333   100%     -    1s
*   35    35              20      23.0000000    5.10345  77.8%  40.9    1s
H   54    44                      22.0000000    5.11321  76.8%  34.3    1s
*   77    49              14      19.0000000    5.20000  72.6%  29.1    1s

Cutting planes:
  Gomory: 2

Explored 967 nodes (23559 simplex iterations) in 2.20 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%