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)
Found heuristic solution: objective 2148.8203230

Root relaxation: objective 2.147470e+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 2147.47044    0    7 2148.82032 2147.47044  0.06%     -    0s
     0     0 2148.13651    0    8 2148.82032 2148.13651  0.03%     -    0s
     0     0 2148.13670    0    9 2148.82032 2148.13670  0.03%     -    0s
     0     0 2148.13670    0    9 2148.82032 2148.13670  0.03%     -    0s

Cutting planes:
  Cover: 1
  Implied bound: 6
  Flow cover: 1

Explored 0 nodes (39 simplex iterations) in 0.07 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%