Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:08:21 2013

Optimize a model with 76647 rows, 75777 columns and 302847 nonzeros
Presolve removed 4004 rows and 0 columns
Presolve time: 0.50s
Presolved: 72643 rows, 75777 columns, 294839 nonzeros
Variable types: 75690 continuous, 87 integer (87 binary)

Root relaxation: objective 1.216080e+05, 17485 iterations, 4.01 seconds

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

     0     0 121607.974    0    4          - 121607.974     -      -    4s
H    0     0                    122939.00000 121607.974  1.08%     -    4s
H    0     0                    122178.00000 121607.974  0.47%     -    5s
     0     0 121609.277    0    5 122178.000 121609.277  0.47%     -    5s
     0     0 121609.277    0    5 122178.000 121609.277  0.47%     -    6s
     0     0 121609.277    0    5 122178.000 121609.277  0.47%     -    6s
     0     2 121609.773    0    5 122178.000 121609.773  0.47%     -    9s
H    3     3                    121815.23636 121668.700  0.12%  90.7    9s
H    6     5                    121797.98305 121670.385  0.10%  68.3    9s
*    7     4               6    121690.00000 121670.385  0.02%  64.6    9s
     9     2 121678.154    3    1 121690.000 121677.516  0.01%  65.3   10s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 11 nodes (18131 simplex iterations) in 10.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.216900000000e+05, best bound 1.216828959290e+05, gap 0.0058%