Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:54:30 2012

Optimize a model with 69666 rows, 54522 columns and 262356 nonzeros
Presolve removed 247 rows and 3495 columns (presolve time = 5s) ...
Presolve removed 249 rows and 3497 columns
Presolve time: 5.32s
Presolved: 69417 rows, 51025 columns, 257687 nonzeros
Variable types: 0 continuous, 51025 integer (51025 binary)
Found heuristic solution: objective 233.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36512    2.5790679e+00   2.821053e+01   0.000000e+00      5s
   48170    2.7979275e+00   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 2.797927e+00, 48170 iterations, 8.17 seconds
Total elapsed time = 54.13s
Total elapsed time = 67.92s
Total elapsed time = 86.70s

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

     0     0    2.79793    0 9572  233.00000    2.79793  98.8%     -   89s
H    0     0                     220.0000000    2.79793  98.7%     -  142s
H    0     0                       3.0000000    2.79793  6.74%     -  142s

Explored 0 nodes (215415 simplex iterations) in 142.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%