Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:35:42 2012

Optimize a model with 57351 rows, 46010 columns and 216994 nonzeros
Presolve removed 430 rows and 2 columns
Presolve time: 4.12s
Presolved: 57135 rows, 46008 columns, 261188 nonzeros
Variable types: 0 continuous, 46008 integer (46008 binary)
Found heuristic solution: objective 214.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35692    3.0001221e+00   1.707692e+02   0.000000e+00      5s
   41606    3.0001615e+00   6.758333e+01   0.000000e+00     10s
   46927    3.0001768e+00   4.384615e+01   0.000000e+00     15s
   51653    3.0001820e+00   3.513889e+00   0.000000e+00     20s
   51943    3.0000000e+00   0.000000e+00   0.000000e+00     20s

Root relaxation: objective 3.000000e+00, 51943 iterations, 20.34 seconds
Total elapsed time = 54.02s
Total elapsed time = 57.05s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   57s

Explored 0 nodes (112329 simplex iterations) in 57.72 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%