Gurobi 5.0.1 (linux64) logging started Sat Dec  8 03:29:54 2012

Optimize a model with 825 rows, 810 columns and 2966 nonzeros
Presolve removed 89 rows and 18 columns
Presolve time: 0.01s
Presolved: 736 rows, 792 columns, 2798 nonzeros
Variable types: 707 continuous, 85 integer (85 binary)

Root relaxation: objective 3.685134e+04, 257 iterations, 0.00 seconds

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

     0     0 36851.3381    0   25          - 36851.3381     -      -    0s
     0     0 37152.3155    0   28          - 37152.3155     -      -    0s
     0     0 37674.8588    0   25          - 37674.8588     -      -    0s
     0     0 37746.0754    0   35          - 37746.0754     -      -    0s
     0     0 37793.3212    0   31          - 37793.3212     -      -    0s
     0     0 37796.7305    0   32          - 37796.7305     -      -    0s
     0     0 37800.0643    0   34          - 37800.0643     -      -    0s
     0     2 37819.8672    0   34          - 37819.8672     -      -    0s

Cutting planes:
  Gomory: 1
  Cover: 2
  Implied bound: 1
  Clique: 1
  Flow cover: 19

Explored 90 nodes (1670 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Model is infeasible
Best objective -, best bound -, gap -