Gurobi 5.0.1 (linux64) logging started Sun Dec  9 16:04:49 2012

Optimize a model with 570 rows, 540 columns and 1791 nonzeros
Presolve removed 18 rows and 12 columns
Presolve time: 0.01s
Presolved: 552 rows, 528 columns, 1761 nonzeros
Variable types: 353 continuous, 175 integer (175 binary)

Root relaxation: objective 5.794298e+04, 374 iterations, 0.00 seconds

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

     0     0 57942.9833    0  107          - 57942.9833     -      -    0s
     0     0 70010.7942    0   61          - 70010.7942     -      -    0s
     0     0 72649.7900    0   71          - 72649.7900     -      -    0s
     0     0 73947.8036    0   58          - 73947.8036     -      -    0s
     0     0 74549.4854    0   55          - 74549.4854     -      -    0s
     0     0 76019.2665    0   54          - 76019.2665     -      -    0s
     0     0 76139.1738    0   46          - 76139.1738     -      -    0s
     0     0 76143.2000    0   53          - 76143.2000     -      -    0s
     0     2 76145.3063    0   53          - 76145.3063     -      -    0s

Cutting planes:
  Gomory: 11
  Cover: 1
  Clique: 1
  Flow cover: 58
  Flow path: 31

Explored 3 nodes (1076 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

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