Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:42 2012

Optimize a model with 138 rows, 439 columns and 439 nonzeros
Model has 274 quadratic constraints
Presolve removed 0 rows and 27 columns
Presolve time: 1.60s
Presolved: 138 rows, 412 columns, 412 nonzeros
Variable types: 274 continuous, 138 integer (137 binary)

Root relaxation: objective 0.000000e+00, 51 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   70   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0   85   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0   85   56.00000    0.00000   100%     -    1s
     0     2    0.00000    0   85   56.00000    0.00000   100%     -    1s
H   27    27                      10.0000000    0.57143  94.3%  16.6    1s
H   54    24                       3.0000000    0.57143  81.0%  11.6    1s
H   81    35                       3.0000000    1.00000  66.7%   9.2    1s
*   83    25              18       2.0000000    1.00000  50.0%   9.2    1s

Cutting planes:
  Gomory: 4

Explored 126 nodes (2118 simplex iterations) in 1.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%