Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:29 2013

Optimize a model with 574 rows, 504 columns and 1974 nonzeros
Presolve removed 7 rows and 0 columns
Presolve time: 0.00s
Presolved: 567 rows, 504 columns, 1967 nonzeros
Variable types: 497 continuous, 7 integer (7 binary)

Root relaxation: objective 1.776252e+04, 168 iterations, 0.00 seconds

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

     0     0 17762.5245    0    5          - 17762.5245     -      -    0s
H    0     0                    17900.000000 17762.5245  0.77%     -    0s
     0     0     cutoff    0      17900.0000 17900.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 4

Explored 0 nodes (195 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.790000000000e+04, best bound 1.790000000000e+04, gap 0.0%