Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:36 2013

Optimize a model with 44 rows, 116 columns and 378 nonzeros
Presolve removed 22 rows and 48 columns
Presolve time: 0.00s
Presolved: 22 rows, 68 columns, 294 nonzeros
Variable types: 60 continuous, 8 integer (8 binary)

Root relaxation: objective 4.810927e+03, 12 iterations, 0.00 seconds

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

     0     0 4810.92679    0    4          - 4810.92679     -      -    0s
     0     0 4820.94695    0    8          - 4820.94695     -      -    0s
     0     0 4821.11997    0    8          - 4821.11997     -      -    0s
     0     0 4821.37659    0    8          - 4821.37659     -      -    0s
*    0     0               0    4830.7428612 4830.74286   0.0%     -    0s

Cutting planes:
  Gomory: 4
  Implied bound: 2
  Flow cover: 4

Explored 0 nodes (56 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.830742861159e+03, best bound 4.830742861159e+03, gap 0.0%