Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:35:26 2012

Optimize a model with 248 rows, 712 columns and 712 nonzeros
Model has 494 quadratic constraints
Presolve removed 0 rows and 17 columns
Presolve time: 2.88s
Presolved: 248 rows, 695 columns, 695 nonzeros
Variable types: 494 continuous, 201 integer (200 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                     122.0000000          -     -      -    2s
     0     0    0.00000    0   48  122.00000    0.00000   100%     -    2s
     0     0    0.00000    0   12  122.00000    0.00000   100%     -    2s
     0     0    0.00000    0    8  122.00000    0.00000   100%     -    2s
     0     2    0.00000    0    8  122.00000    0.00000   100%     -    2s
*   28    28              22      18.0000000    0.82051  95.4%  70.9    3s
*   68    34              13      15.0000000    2.29213  84.7%  50.9    3s
*  179    54              15      14.0000000    3.00000  78.6%  39.6    3s
*  209    46               9      13.0000000    4.26667  67.2%  38.0    3s
*  282    51              15      12.0000000    5.41011  54.9%  34.8    3s

Cutting planes:

Explored 488 nodes (17376 simplex iterations) in 3.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%