Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:00 2012

Optimize a model with 61 rows, 153 columns and 153 nonzeros
Model has 120 quadratic constraints
Presolve time: 0.70s
Presolved: 61 rows, 153 columns, 153 nonzeros
Variable types: 120 continuous, 33 integer (33 binary)

Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds

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

H    0     0                      36.0000000          -     -      -    0s
     0     0    0.00000    0    3   36.00000    0.00000   100%     -    0s
     0     0    0.00000    0   30   36.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   36.00000    0.00000   100%     -    0s
     0     2    0.00000    0   24   36.00000    0.00000   100%     -    0s
*   24    24              14      15.0000000    1.63636  89.1%  21.2    0s
*   96    53              14      14.0000000    2.45185  82.5%  16.4    0s
*  154    50               8      13.0000000    5.54545  57.3%  15.3    0s
*  180    40               7      12.0000000    7.18056  40.2%  14.8    0s

Cutting planes:

Explored 289 nodes (4323 simplex iterations) in 0.79 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%