Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:45 2013

Optimize a model with 763 rows, 680 columns and 2672 nonzeros
Presolve removed 8 rows and 0 columns
Presolve time: 0.00s
Presolved: 755 rows, 680 columns, 2664 nonzeros
Variable types: 672 continuous, 8 integer (8 binary)

Root relaxation: objective 1.915608e+04, 195 iterations, 0.00 seconds

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

     0     0 19156.0786    0    5          - 19156.0786     -      -    0s
H    0     0                    19487.000000 19156.0786  1.70%     -    0s
     0     0     cutoff    0      19487.0000 19487.0000   0.0%     -    0s

Cutting planes:
  Gomory: 3
  Implied bound: 5

Explored 0 nodes (233 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.948700000000e+04, best bound 1.948700000000e+04, gap 0.0%