Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:31:40 2012

Optimize a model with 57351 rows, 46010 columns and 216994 nonzeros
Presolve removed 444 rows and 2998 columns
Presolve time: 4.04s
Presolved: 56907 rows, 43012 columns, 212396 nonzeros
Variable types: 0 continuous, 43012 integer (43012 binary)
Found heuristic solution: objective 214.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31334    3.0000898e+00   4.202564e+01   0.000000e+00      5s
   36716    3.0000962e+00   3.854092e+01   0.000000e+00     10s
   40718    3.0000995e+00   6.762249e+01   0.000000e+00     15s
   44444    3.0001020e+00   3.325524e+02   0.000000e+00     20s
   48308    3.0001051e+00   3.177111e+02   0.000000e+00     25s
   52034    3.0001084e+00   4.001672e+01   0.000000e+00     30s
   55760    3.0001112e+00   2.398104e+01   0.000000e+00     35s
   57928    3.0000000e+00   0.000000e+00   0.000000e+00     38s

Root relaxation: objective 3.000000e+00, 57928 iterations, 37.95 seconds
Total elapsed time = 81.97s
Total elapsed time = 85.28s

    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%     -   85s

Explored 0 nodes (139846 simplex iterations) in 85.88 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%