Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:17 2013

Optimize a model with 1584 rows, 1464 columns and 5784 nonzeros
Presolve removed 12 rows and 0 columns
Presolve time: 0.00s
Presolved: 1572 rows, 1464 columns, 5772 nonzeros
Variable types: 1452 continuous, 12 integer (12 binary)

Root relaxation: objective 1.833698e+04, 353 iterations, 0.01 seconds

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

     0     0 18336.9751    0   10          - 18336.9751     -      -    0s
H    0     0                    18834.000000 18336.9751  2.64%     -    0s
H    0     0                    18725.000000 18336.9751  2.07%     -    0s
*    0     0               0    18716.000000 18716.0000   0.0%     -    0s

Cutting planes:
  Gomory: 8
  Implied bound: 9

Explored 0 nodes (428 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.871600000000e+04, best bound 1.871600000000e+04, gap 0.0%