Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:10 2013

Optimize a model with 68 rows, 164 columns and 402 nonzeros
Presolve removed 60 rows and 134 columns
Presolve time: 0.00s
Presolved: 8 rows, 30 columns, 60 nonzeros
Variable types: 28 continuous, 2 integer (2 binary)

Root relaxation: objective 4.830885e+03, 9 iterations, 0.00 seconds

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

     0     0 4830.88464    0    2          - 4830.88464     -      -    0s
H    0     0                    4831.8635801 4830.88464  0.02%     -    0s
     0     0 4831.00572    0    1 4831.86358 4831.00572  0.02%     -    0s
H    0     0                    4831.0178459 4831.00572  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1

Explored 0 nodes (15 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.831017845887e+03, best bound 4.831005723745e+03, gap 0.0003%