Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:07:22 2012

Optimize a model with 49404 rows, 42230 columns and 189418 nonzeros
Presolve removed 412 rows and 2 columns
Presolve time: 1.23s
Presolved: 49197 rows, 42228 columns, 229940 nonzeros
Variable types: 0 continuous, 42228 integer (42228 binary)
Found heuristic solution: objective 205.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30411    3.0000751e+00   1.533604e+01   0.000000e+00      5s
   37041    3.0000810e+00   3.841393e+01   0.000000e+00     10s
   41331    3.0000853e+00   4.020342e+01   0.000000e+00     15s
   45231    3.0000880e+00   3.699933e+01   0.000000e+00     20s
   49131    3.0000909e+00   1.647284e+02   0.000000e+00     25s
   52213    3.0000000e+00   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 3.000000e+00, 52213 iterations, 29.53 seconds
Total elapsed time = 59.63s
Total elapsed time = 64.52s
Total elapsed time = 69.56s
Total elapsed time = 73.97s

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

     0     0    3.00000    0   40  205.00000    3.00000  98.5%     -   76s
H    0     0                       3.0000000    3.00000   0.0%     -   76s

Explored 0 nodes (134910 simplex iterations) in 76.33 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%