Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:53 2012

Optimize a model with 109 rows, 351 columns and 351 nonzeros
Model has 216 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 1.26s
Presolved: 109 rows, 326 columns, 326 nonzeros
Variable types: 216 continuous, 110 integer (109 binary)

Root relaxation: objective 0.000000e+00, 41 iterations, 0.00 seconds

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

H    0     0                      52.0000000          -     -      -    1s
     0     0    0.00000    0   55   52.00000    0.00000   100%     -    1s
     0     0    0.00000    0   10   52.00000    0.00000   100%     -    1s
     0     0    0.00000    0    9   52.00000    0.00000   100%     -    1s
     0     2    0.00000    0   58   52.00000    0.00000   100%     -    1s
*   29    26              22       4.0000000    0.00000   100%  16.2    1s
H   69    43                       4.0000000    0.31306  92.2%  15.1    1s
*   71    16              15       2.0000000    0.31306  84.3%  14.9    1s

Cutting planes:
  Gomory: 1

Explored 111 nodes (2244 simplex iterations) in 1.38 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%