Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:33:24 2012

Optimize a model with 62827 rows, 51302 columns and 238654 nonzeros
Presolve removed 1827 rows and 3844 columns
Presolve time: 4.48s
Presolved: 61000 rows, 47458 columns, 229752 nonzeros
Variable types: 0 continuous, 47458 integer (47458 binary)
Found heuristic solution: objective 226.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32416    3.0000905e+00   5.377778e+01   0.000000e+00      5s
   37174    3.0000937e+00   1.259269e+02   0.000000e+00     10s
   40749    3.0000974e+00   1.559224e+01   0.000000e+00     15s
   44038    3.0001015e+00   9.829120e+01   0.000000e+00     20s
   47613    3.0001059e+00   6.215190e+00   0.000000e+00     25s
   51045    3.0001104e+00   2.173774e+01   0.000000e+00     30s
   53762    3.0001129e+00   4.128323e+00   0.000000e+00     35s
   54435    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 54435 iterations, 36.31 seconds
Total elapsed time = 93.31s
Total elapsed time = 98.52s
Total elapsed time = 100.12s

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

     0     0    3.00000    0  135  226.00000    3.00000  98.7%     -  102s
H    0     0                       3.0000000    3.00000   0.0%     -  102s

Explored 0 nodes (171986 simplex iterations) in 103.00 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%