Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:03:34 2012

Optimize a model with 48740 rows, 44732 columns and 189898 nonzeros
Presolve removed 444 rows and 4222 columns
Presolve time: 1.20s
Presolved: 48296 rows, 40510 columns, 184165 nonzeros
Variable types: 0 continuous, 40510 integer (40510 binary)
Found heuristic solution: objective 211.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32370    3.0000865e+00   8.811111e+01   0.000000e+00      5s
   38304    3.0000884e+00   2.519285e+01   0.000000e+00     10s
   42293    3.0000000e+00   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 3.000000e+00, 42293 iterations, 13.59 seconds
Total elapsed time = 31.62s
Total elapsed time = 36.92s
Total elapsed time = 41.44s

    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%     -   42s

Explored 0 nodes (118717 simplex iterations) in 42.37 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%