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 3292.3289943

Root relaxation: objective 3.291529e+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 3291.52920    0    6 3292.32899 3291.52920  0.02%     -    0s
     0     0 3292.31598    0    2 3292.32899 3292.31598  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  Implied bound: 1
  Flow cover: 1

Explored 0 nodes (18 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.292328994292e+03, best bound 3.292315977122e+03, gap 0.0004%