Gurobi 5.0.1 (linux64) logging started Sun Dec  9 20:07:44 2012

Optimize a model with 3000 rows, 2970 columns and 11336 nonzeros
Presolve removed 164 rows and 18 columns
Presolve time: 0.02s
Presolved: 2836 rows, 2952 columns, 11033 nonzeros
Variable types: 2777 continuous, 175 integer (175 binary)

Root relaxation: objective 7.529969e+04, 651 iterations, 0.02 seconds

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

     0     0 75299.6934    0   51          - 75299.6934     -      -    0s
     0     0 76504.3597    0   63          - 76504.3597     -      -    0s
     0     0 infeasible    0               - infeasible     -      -    0s

Cutting planes:
  Cover: 1
  Flow cover: 24

Explored 0 nodes (836 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

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