Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:45 2012

Optimize a model with 138 rows, 434 columns and 434 nonzeros
Model has 274 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 1.60s
Presolved: 138 rows, 408 columns, 408 nonzeros
Variable types: 274 continuous, 134 integer (133 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                      62.0000000          -     -      -    1s
     0     0    0.00000    0   73   62.00000    0.00000   100%     -    1s
     0     0    0.00000    0   63   62.00000    0.00000   100%     -    1s
     0     0    0.00000    0   61   62.00000    0.00000   100%     -    1s
     0     2    0.00000    0   61   62.00000    0.00000   100%     -    1s
H   16    16                      24.0000000    0.41995  98.3%  34.6    1s
H   27    27                      14.0000000    0.41995  97.0%  25.1    1s
*   31    27              25       5.0000000    0.41995  91.6%  22.9    1s
*   48    32              16       4.0000000    0.47302  88.2%  19.0    1s
H  277    53                       4.0000000    3.01683  24.6%  11.8    1s

Cutting planes:
  Gomory: 43

Explored 359 nodes (5188 simplex iterations) in 1.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.999999999032e+00, best bound 3.999999999032e+00, gap 0.0%