Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:57 2013

Optimize a model with 9360 rows, 9060 columns and 36060 nonzeros
Presolve removed 30 rows and 0 columns
Presolve time: 0.04s
Presolved: 9330 rows, 9060 columns, 36030 nonzeros
Variable types: 9030 continuous, 30 integer (30 binary)

Root relaxation: objective 2.766397e+04, 1240 iterations, 0.12 seconds

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

     0     0 27663.9725    0   22          - 27663.9725     -      -    0s
H    0     0                    31319.000000 27663.9725  11.7%     -    0s
     0     0 30173.4857    0    2 31319.0000 30173.4857  3.66%     -    0s
H    0     0                    30402.485714 30173.4857  0.75%     -    0s
H    0     0                    30241.000000 30173.4857  0.22%     -    0s
H    0     0                    30195.000000 30173.4857  0.07%     -    0s
     0     0 30173.5714    0    1 30195.0000 30173.5714  0.07%     -    0s
*    0     0               0    30185.000000 30185.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 21

Explored 0 nodes (1648 simplex iterations) in 0.46 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.018500000000e+04, best bound 3.018500000000e+04, gap 0.0%