Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:33 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 3.501733e+03, 15 iterations, 0.00 seconds

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

     0     0 3501.73262    0    8          - 3501.73262     -      -    0s
     0     0 3501.83947    0    8          - 3501.83947     -      -    0s
     0     0 3501.84324    0   10          - 3501.84324     -      -    0s
     0     0 3501.84325    0   10          - 3501.84325     -      -    0s
     0     0 3501.95608    0    3          - 3501.95608     -      -    0s
     0     0 3501.95608    0    3          - 3501.95608     -      -    0s
     0     0 3501.96206    0    3          - 3501.96206     -      -    0s
     0     0 3501.96936    0    6          - 3501.96936     -      -    0s
     0     0 3501.97048    0    6          - 3501.97048     -      -    0s
     0     0 3501.98334    0    4          - 3501.98334     -      -    0s
H    0     0                    3502.0000000 3501.98334  0.00%     -    0s

Cutting planes:
  Implied bound: 2
  Zero half: 1

Explored 0 nodes (94 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.502000000000e+03, best bound 3.501983339259e+03, gap 0.0005%