Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:13 2013

Optimize a model with 9982 rows, 9672 columns and 38502 nonzeros
Presolve removed 31 rows and 0 columns
Presolve time: 0.04s
Presolved: 9951 rows, 9672 columns, 38471 nonzeros
Variable types: 9641 continuous, 31 integer (31 binary)

Root relaxation: objective 2.843600e+04, 1146 iterations, 0.12 seconds

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

     0     0 28436.0015    0   26          - 28436.0015     -      -    0s
H    0     0                    33041.000000 28436.0015  13.9%     -    0s
     0     0 30475.6364    0    1 33041.0000 30475.6364  7.76%     -    0s
H    0     0                    30643.363636 30475.6364  0.55%     -    0s
H    0     0                    30607.000000 30475.6364  0.43%     -    0s
H    0     0                    30486.000000 30475.6364  0.03%     -    0s

Cutting planes:
  Implied bound: 22

Explored 0 nodes (1524 simplex iterations) in 0.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.048600000000e+04, best bound 3.048600000000e+04, gap 0.0%