Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:07:10 2012

Optimize a model with 264 rows, 752 columns and 752 nonzeros
Model has 526 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 3.07s
Presolved: 264 rows, 728 columns, 728 nonzeros
Variable types: 526 continuous, 202 integer (201 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     128.0000000          -     -      -    3s
     0     0    0.00000    0  140  128.00000    0.00000   100%     -    3s
     0     0    0.10009    0  186  128.00000    0.10009   100%     -    3s
     0     2    0.11687    0  186  128.00000    0.11687   100%     -    3s
H   51    51                      22.0000000    2.92593  86.7%  29.8    3s
*   57    53              31      21.0000000    2.92593  86.1%  30.6    3s
*   99    62              28      19.0000000    2.92661  84.6%  27.2    3s
   907   189   12.26667   13  439   19.00000   12.26667  35.4%  32.1    5s
  2942    64   18.65138   40  282   19.00000   17.51409  7.82%  31.4   10s

Explored 3079 nodes (96302 simplex iterations) in 10.15 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%