Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:09:06 2013

Optimize a model with 60137 rows, 59367 columns and 237237 nonzeros
Presolve removed 5692 rows and 0 columns
Presolve time: 0.37s
Presolved: 54445 rows, 59367 columns, 225853 nonzeros
Variable types: 59290 continuous, 77 integer (77 binary)

Root relaxation: objective 9.437583e+04, 14200 iterations, 3.06 seconds

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

     0     0 94375.8253    0    3          - 94375.8253     -      -    3s
H    0     0                    95483.000000 94375.8253  1.16%     -    3s
H    0     0                    94729.000000 94375.8253  0.37%     -    4s
     0     0 94376.9193    0    4 94729.0000 94376.9193  0.37%     -    4s
     0     0 94377.3518    0    4 94729.0000 94377.3518  0.37%     -    4s
     0     0 94377.3518    0    3 94729.0000 94377.3518  0.37%     -    8s
     0     0 94377.3518    0    4 94729.0000 94377.3518  0.37%     -    8s
     0     0 94377.3518    0    4 94729.0000 94377.3518  0.37%     -    9s
     0     2 94380.3193    0    4 94729.0000 94380.3193  0.37%     -   10s
*   36     3               3    94709.000000 94559.5417  0.16%   104   12s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 42 nodes (24461 simplex iterations) in 12.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.470900000000e+04, best bound 9.470900000000e+04, gap 0.0%