Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:44:50 2013

Optimize a model with 80278 rows, 79388 columns and 317018 nonzeros
Presolve removed 89 rows and 0 columns
Presolve time: 0.38s
Presolved: 80189 rows, 79388 columns, 316929 nonzeros
Variable types: 79299 continuous, 89 integer (89 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8735    7.2818991e+04   2.842627e+04   0.000000e+00      5s
   10219    7.3264556e+04   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 7.326456e+04, 10219 iterations, 8.96 seconds

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

     0     0 73264.5562    0   66          - 73264.5562     -      -    9s
H    0     0                    123619.00000 73264.5562  40.7%     -   17s
H    0     0                    100533.00000 73264.5562  27.1%     -   58s
     0     0 89743.8749    0   17 100533.000 89743.8749  10.7%     -   75s
     0     0 93721.0738    0   11 100533.000 93721.0738  6.78%     -   81s
     0     0 94472.0157    0    7 100533.000 94472.0157  6.03%     -   83s
H    0     0                    95184.000000 94472.0157  0.75%     -   84s
     0     2 94481.8933    0    7 95184.0000 94481.8933  0.74%     -   86s
H   10     7                    94768.285714 94592.0855  0.19%   247   89s
H   11     7                    94761.844037 94592.0855  0.18%   236   89s
*   14     7              13    94745.000000 94592.0855  0.16%   204   89s

Cutting planes:
  Implied bound: 83
  MIR: 1

Explored 25 nodes (28324 simplex iterations) in 89.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.474500000000e+04, best bound 9.473812838802e+04, gap 0.0073%