Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:37 2013

Optimize a model with 630 rows, 553 columns and 2170 nonzeros
Presolve removed 7 rows and 0 columns
Presolve time: 0.00s
Presolved: 623 rows, 553 columns, 2163 nonzeros
Variable types: 546 continuous, 7 integer (7 binary)

Root relaxation: objective 8.769660e+03, 130 iterations, 0.00 seconds

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

     0     0 8769.66038    0    2          - 8769.66038     -      -    0s
H    0     0                    8855.0000000 8769.66038  0.96%     -    0s
     0     0     cutoff    0      8855.00000 8855.00000   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Implied bound: 2

Explored 0 nodes (145 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.855000000000e+03, best bound 8.855000000000e+03, gap 0.0%