Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:30 2013

Optimize a model with 582 rows, 511 columns and 2002 nonzeros
Presolve removed 7 rows and 0 columns
Presolve time: 0.00s
Presolved: 575 rows, 511 columns, 1995 nonzeros
Variable types: 504 continuous, 7 integer (7 binary)

Root relaxation: objective 8.499381e+03, 58 iterations, 0.00 seconds

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

     0     0 8499.38095    0    2          - 8499.38095     -      -    0s
H    0     0                    8515.0000000 8499.38095  0.18%     -    0s
     0     0     cutoff    0      8515.00000 8515.00000   0.0%     -    0s

Explored 0 nodes (61 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.515000000000e+03, best bound 8.515000000000e+03, gap 0.0%