Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:53:57 2013

Optimize a model with 74906 rows, 74046 columns and 295926 nonzeros
Presolve removed 4286 rows and 0 columns
Presolve time: 0.49s
Presolved: 70620 rows, 74046 columns, 287354 nonzeros
Variable types: 73960 continuous, 86 integer (86 binary)

Root relaxation: objective 9.924625e+04, 15732 iterations, 3.45 seconds

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

     0     0 99246.2491    0    4          - 99246.2491     -      -    4s
H    0     0                    99750.000000 99246.2491  0.51%     -    4s
H    0     0                    99607.000000 99246.2491  0.36%     -    4s
H    0     0                    99435.000000 99246.2491  0.19%     -    4s
     0     0 99247.1759    0    5 99435.0000 99247.1759  0.19%     -    5s
     0     0 99247.1759    0    4 99435.0000 99247.1759  0.19%     -    7s
     0     0 99247.1759    0    5 99435.0000 99247.1759  0.19%     -    7s
     0     0 99247.1759    0    5 99435.0000 99247.1759  0.19%     -    7s
     0     0 99249.3046    0    4 99435.0000 99249.3046  0.19%     -    8s
     0     2 99259.0196    0    4 99435.0000 99259.0196  0.18%     -    9s
*    8     6               6    99402.000000 99303.1935  0.10%  40.1    9s
H   11     4                    99401.000000 99303.1935  0.10%  38.0    9s
H   14     5                    99387.333333 99303.1935  0.08%  45.7    9s
*   17     4              15    99364.000000 99303.1935  0.06%  45.4    9s
    19     4 99312.3175    2    2 99364.0000 99304.4935  0.06%  47.6   10s
*   21     3               4    99320.000000 99304.4935  0.02%  44.3   10s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 24 nodes (22330 simplex iterations) in 10.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.932000000000e+04, best bound 9.932000000000e+04, gap 0.0%