Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:59:19 2012

Optimize a model with 48143 rows, 41820 columns and 185230 nonzeros
Presolve removed 410 rows and 2 columns
Presolve time: 1.18s
Presolved: 47937 rows, 41818 columns, 225358 nonzeros
Variable types: 0 continuous, 41818 integer (41818 binary)
Found heuristic solution: objective 204.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30630    3.0000783e+00   1.804219e+01   0.000000e+00      5s
   35628    3.0000821e+00   3.296812e+01   0.000000e+00     10s
   39852    3.0000859e+00   7.694522e+01   0.000000e+00     15s
   44460    3.0000912e+00   8.693562e+00   0.000000e+00     20s
   46809    3.0000000e+00   0.000000e+00   0.000000e+00     23s

Root relaxation: objective 3.000000e+00, 46809 iterations, 22.74 seconds
Total elapsed time = 52.85s
Total elapsed time = 62.15s
Total elapsed time = 65.62s

    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%     -   67s

Explored 0 nodes (126204 simplex iterations) in 67.02 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%