Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:17:22 2013

Optimize a model with 76734 rows, 75864 columns and 302934 nonzeros
Presolve removed 87 rows and 0 columns
Presolve time: 0.36s
Presolved: 76647 rows, 75864 columns, 302847 nonzeros
Variable types: 75777 continuous, 87 integer (87 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7402    7.0941692e+04   2.024324e+04   0.000000e+00      5s
    8562    7.1253008e+04   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 7.125301e+04, 8562 iterations, 8.01 seconds

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

     0     0 71253.0078    0   67          - 71253.0078     -      -    8s
H    0     0                    119237.00000 71253.0078  40.2%     -   14s
H    0     0                    99482.000000 71253.0078  28.4%     -   46s
     0     0 86014.9895    0   24 99482.0000 86014.9895  13.5%     -   60s
     0     0 92396.9507    0   12 99482.0000 92396.9507  7.12%     -   70s
     0     0 93634.4989    0    7 99482.0000 93634.4989  5.88%     -   72s
H    0     0                    94126.000000 93634.4989  0.52%     -   72s
     0     2 93635.4814    0    7 94126.0000 93635.4814  0.52%     -   74s
     2     4 93715.3898    2    4 94126.0000 93715.3898  0.44%   156   75s
*   20    11              17    93919.000000 93729.7032  0.20%   153   78s
    44    12 93846.4194    9    1 93919.0000 93810.4712  0.12%   127   80s

Cutting planes:
  Implied bound: 85

Explored 67 nodes (27416 simplex iterations) in 81.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.391900000000e+04, best bound 9.391900000000e+04, gap 0.0%