Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:17 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 2.778717e+04, 1258 iterations, 0.13 seconds

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

     0     0 27787.1675    0   22          - 27787.1675     -      -    0s
H    0     0                    31549.000000 27787.1675  11.9%     -    0s
     0     0 30292.7537    0    3 31549.0000 30292.7537  3.98%     -    0s
H    0     0                    31123.616214 30292.7537  2.67%     -    0s
H    0     0                    30545.000000 30292.7537  0.83%     -    0s
H    0     0                    30390.000000 30292.7537  0.32%     -    0s
     0     0 30292.7537    0    3 30390.0000 30292.7537  0.32%     -    0s
     0     2 30296.7931    0    3 30390.0000 30296.7931  0.31%     -    0s
*    6     4               5    30371.000000 30350.7114  0.07%  31.7    0s
*    9     2               5    30355.000000 30350.7114  0.01%  23.3    0s

Cutting planes:
  Gomory: 1
  Implied bound: 19

Explored 12 nodes (1975 simplex iterations) in 0.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.035500000000e+04, best bound 3.035500000000e+04, gap 0.0%