Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:15 2013

Optimize a model with 28 rows, 120 columns and 945 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.00s
Presolved: 16 rows, 108 columns, 821 nonzeros
Variable types: 101 continuous, 7 integer (7 binary)
Found heuristic solution: objective 2148.8203230

Root relaxation: objective 2.147705e+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 2147.70462    0    6 2148.82032 2147.70462  0.05%     -    0s

Cutting planes:
  Flow cover: 2

Explored 0 nodes (14 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.148820323028e+03, best bound 2.148820323028e+03, gap 0.0%