Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:20:29 2013

Optimize a model with 605 rows, 30305 columns and 60555 nonzeros
Presolve time: 0.04s
Presolved: 605 rows, 30305 columns, 60555 nonzeros
Variable types: 30250 continuous, 55 integer (55 binary)

Root relaxation: objective 5.745165e+04, 1200 iterations, 0.03 seconds

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

     0     0 57451.6492    0   11          - 57451.6492     -      -    0s
H    0     0                    60755.000000 57451.6492  5.44%     -    0s
H    0     0                    58219.000000 57451.6492  1.32%     -    0s
     0     0 57818.1340    0    7 58219.0000 57818.1340  0.69%     -    0s
     0     0 57856.8555    0    8 58219.0000 57856.8555  0.62%     -    0s
     0     0 57866.7804    0    7 58219.0000 57866.7804  0.60%     -    0s
     0     0 57878.6062    0    5 58219.0000 57878.6062  0.58%     -    0s
     0     0 57885.4632    0    7 58219.0000 57885.4632  0.57%     -    0s
     0     0 57887.3388    0    5 58219.0000 57887.3388  0.57%     -    0s
     0     0 57887.3388    0    5 58219.0000 57887.3388  0.57%     -    0s
     0     0 57887.3388    0    5 58219.0000 57887.3388  0.57%     -    0s
H    0     0                    58032.000000 57887.3388  0.25%     -    0s
     0     0 57887.3388    0   12 58032.0000 57887.3388  0.25%     -    0s
     0     0 57887.3388    0    7 58032.0000 57887.3388  0.25%     -    0s
     0     0 57887.3388    0    6 58032.0000 57887.3388  0.25%     -    0s
     0     0 57891.1233    0    6 58032.0000 57891.1233  0.24%     -    0s
     0     0 57898.7345    0    6 58032.0000 57898.7345  0.23%     -    0s
     0     0 57911.1326    0    7 58032.0000 57911.1326  0.21%     -    0s
     0     0 57916.9340    0    5 58032.0000 57916.9340  0.20%     -    1s
     0     0 57918.5505    0    7 58032.0000 57918.5505  0.20%     -    1s
     0     0 57918.9288    0    5 58032.0000 57918.9288  0.19%     -    1s
     0     0 57919.0701    0    5 58032.0000 57919.0701  0.19%     -    1s
     0     0 57919.0701    0    5 58032.0000 57919.0701  0.19%     -    1s
     0     0 57919.7298    0    4 58032.0000 57919.7298  0.19%     -    1s
     0     2 57922.3965    0    4 58032.0000 57922.3965  0.19%     -    1s
*   11     2               7    58026.000000 57922.3965  0.18%  28.0    1s
*   20     2               6    58020.000000 58011.8218  0.01%  31.6    1s

Cutting planes:
  Implied bound: 130
  Flow cover: 10

Explored 23 nodes (3466 simplex iterations) in 1.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.802000000000e+04, best bound 5.802000000000e+04, gap 0.0%