Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:34 2013

Optimize a model with 34 rows, 1023 columns and 12054 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.02s
Presolved: 22 rows, 1011 columns, 11030 nonzeros
Variable types: 1001 continuous, 10 integer (10 binary)

Root relaxation: objective 2.688871e+03, 17 iterations, 0.00 seconds

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

     0     0 2688.87113    0    8          - 2688.87113     -      -    0s
     0     0 2688.96094    0    8          - 2688.96094     -      -    0s
     0     0 2688.96236    0   10          - 2688.96236     -      -    0s
     0     0 2688.96460    0   10          - 2688.96460     -      -    0s
     0     0 2689.06955    0    3          - 2689.06955     -      -    0s
     0     0 2689.07608    0    3          - 2689.07608     -      -    0s
     0     0 2689.08299    0    6          - 2689.08299     -      -    0s
     0     0 2689.08409    0    6          - 2689.08409     -      -    0s
     0     0 2689.09496    0    5          - 2689.09496     -      -    0s
H    0     0                    2689.1102444 2689.09496  0.00%     -    0s

Cutting planes:
  Implied bound: 3
  Zero half: 1

Explored 0 nodes (76 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.689110244363e+03, best bound 2.689094957122e+03, gap 0.0006%