Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:08 2013

Optimize a model with 429 rows, 15249 columns and 30459 nonzeros
Presolve time: 0.02s
Presolved: 429 rows, 15249 columns, 30459 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 3.809021e+04, 600 iterations, 0.01 seconds

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

     0     0 38090.2126    0   10          - 38090.2126     -      -    0s
H    0     0                    39304.000000 38090.2126  3.09%     -    0s
H    0     0                    38467.000000 38090.2126  0.98%     -    0s
     0     0 38399.6423    0    5 38467.0000 38399.6423  0.18%     -    0s
     0     0 38442.9251    0    6 38467.0000 38442.9251  0.06%     -    0s
     0     0 38443.2423    0    3 38467.0000 38443.2423  0.06%     -    0s
     0     0 38443.3616    0    3 38467.0000 38443.3616  0.06%     -    0s
     0     0 38443.3616    0    3 38467.0000 38443.3616  0.06%     -    0s
H    0     0                    38463.000000 38443.3616  0.05%     -    0s
     0     0 38443.3616    0   10 38463.0000 38443.3616  0.05%     -    0s
     0     0 38443.3616    0    5 38463.0000 38443.3616  0.05%     -    0s
     0     0 38443.3616    0    3 38463.0000 38443.3616  0.05%     -    0s
     0     0 38443.3616    0    3 38463.0000 38443.3616  0.05%     -    0s
     0     0 38443.3616    0    3 38463.0000 38443.3616  0.05%     -    0s
     0     2 38450.5105    0    3 38463.0000 38450.5105  0.03%     -    0s

Cutting planes:
  Implied bound: 33
  Flow cover: 1

Explored 2 nodes (1296 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.846300000000e+04, best bound 3.846172500000e+04, gap 0.0033%