Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:53:25 2013

Optimize a model with 74906 rows, 74046 columns and 295926 nonzeros
Presolve removed 3911 rows and 0 columns
Presolve time: 0.49s
Presolved: 70995 rows, 74046 columns, 288104 nonzeros
Variable types: 73960 continuous, 86 integer (86 binary)

Root relaxation: objective 1.042465e+05, 18283 iterations, 4.33 seconds
Total elapsed time = 5.01s

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

     0     0 104246.507    0    3          - 104246.507     -      -    5s
H    0     0                    106553.00000 104246.507  2.16%     -    5s
     0     0 104251.295    0    4 106553.000 104251.295  2.16%     -    6s
     0     0 104251.295    0    4 106553.000 104251.295  2.16%     -    6s
     0     2 104296.334    0    4 106553.000 104296.334  2.12%     -    9s
     2     4 104780.576    1    5 106553.000 104624.852  1.81%   788   10s
*    3     3               2    104695.00000 104627.693  0.06%   649   10s

Cutting planes:
  Gomory: 1
  Flow cover: 6

Explored 5 nodes (20392 simplex iterations) in 10.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.046950000000e+05, best bound 1.046950000000e+05, gap 0.0%