Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:16 2013

Optimize a model with 160 rows, 1080 columns and 2170 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.00s
Presolved: 140 rows, 1050 columns, 2100 nonzeros
Variable types: 1040 continuous, 10 integer (10 binary)

Root relaxation: objective 1.791602e+04, 106 iterations, 0.00 seconds

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

     0     0 17916.0191    0    3          - 17916.0191     -      -    0s
     0     0 17960.2516    0    1          - 17960.2516     -      -    0s
     0     0 17966.1136    0    1          - 17966.1136     -      -    0s
     0     0 17967.1057    0    1          - 17967.1057     -      -    0s
*    0     0               0    17975.828949 17975.8289   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  Flow cover: 5

Explored 0 nodes (121 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.797582894874e+04, best bound 1.797582894874e+04, gap 0.0%