Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:23:13 2012

Optimize a model with 106 rows, 280 columns and 280 nonzeros
Model has 210 quadratic constraints
Presolve removed 0 rows and 5 columns
Presolve time: 1.23s
Presolved: 106 rows, 275 columns, 275 nonzeros
Variable types: 210 continuous, 65 integer (64 binary)

Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds

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

H    0     0                      49.0000000          -     -      -    1s
     0     0    0.00000    0   12   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   12   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   51   49.00000    0.00000   100%     -    1s
     0     2    0.00000    0   51   49.00000    0.00000   100%     -    1s
*   23    23              16      17.0000000    3.22222  81.0%  31.3    1s
H   70    40                      15.0000000    4.28571  71.4%  23.7    1s
*  102    51              19      14.0000000    4.74074  66.1%  20.0    1s
*  118    50               9      13.0000000    5.17647  60.2%  21.3    1s
*  226    58              18      12.0000000    6.45455  46.2%  17.2    1s

Cutting planes:

Explored 494 nodes (9181 simplex iterations) in 1.46 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%