Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:37 2013

Optimize a model with 8758 rows, 8468 columns and 33698 nonzeros
Presolve removed 29 rows and 0 columns
Presolve time: 0.04s
Presolved: 8729 rows, 8468 columns, 33669 nonzeros
Variable types: 8439 continuous, 29 integer (29 binary)

Root relaxation: objective 2.719879e+04, 1568 iterations, 0.16 seconds

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

     0     0 27198.7862    0   20          - 27198.7862     -      -    0s
H    0     0                    31500.000000 27198.7862  13.7%     -    0s
     0     0 29994.7368    0    1 31500.0000 29994.7368  4.78%     -    0s
H    0     0                    30421.684211 29994.7368  1.40%     -    0s
H    0     0                    30176.000000 29994.7368  0.60%     -    0s
H    0     0                    30011.000000 29994.7368  0.05%     -    0s
     0     0 30010.4286    0    1 30011.0000 30010.4286  0.00%     -    0s

Cutting planes:
  Implied bound: 18

Explored 0 nodes (2030 simplex iterations) in 0.48 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.001100000000e+04, best bound 3.001042857143e+04, gap 0.0019%