Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:53 2013

Optimize a model with 407 rows, 13727 columns and 27417 nonzeros
Presolve time: 0.02s
Presolved: 407 rows, 13727 columns, 27417 nonzeros
Variable types: 13690 continuous, 37 integer (37 binary)

Root relaxation: objective 4.231223e+04, 696 iterations, 0.01 seconds

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

     0     0 42312.2335    0    3          - 42312.2335     -      -    0s
H    0     0                    43149.000000 42312.2335  1.94%     -    0s
*    0     0               0    42649.000000 42649.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 37
  Flow cover: 3

Explored 0 nodes (728 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.264900000000e+04, best bound 4.264900000000e+04, gap 0.0%