Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:20 2013

Optimize a model with 1846 rows, 1716 columns and 6786 nonzeros
Presolve removed 13 rows and 0 columns
Presolve time: 0.01s
Presolved: 1833 rows, 1716 columns, 6773 nonzeros
Variable types: 1703 continuous, 13 integer (13 binary)

Root relaxation: objective 1.807331e+04, 317 iterations, 0.01 seconds

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

     0     0 18073.3149    0    7          - 18073.3149     -      -    0s
H    0     0                    18425.000000 18073.3149  1.91%     -    0s
*    0     0               0    18371.000000 18371.0000   0.0%     -    0s

Cutting planes:
  Gomory: 3
  Implied bound: 6

Explored 0 nodes (379 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.837100000000e+04, best bound 1.837100000000e+04, gap 0.0%