Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:01:51 2012

Optimize a model with 43254 rows, 42230 columns and 170968 nonzeros
Presolve removed 436 rows and 4922 columns
Presolve time: 1.09s
Presolved: 42818 rows, 37308 columns, 164605 nonzeros
Variable types: 0 continuous, 37308 integer (37308 binary)
Found heuristic solution: objective 205.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30913    3.0000831e+00   6.295149e+01   0.000000e+00      5s
   36647    3.0000898e+00   1.583672e+01   0.000000e+00     10s
   41527    3.0000944e+00   1.560829e+01   0.000000e+00     15s
   42621    3.0000000e+00   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 3.000000e+00, 42621 iterations, 16.17 seconds
Total elapsed time = 40.56s
Total elapsed time = 49.91s

    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%     -   50s

Explored 0 nodes (97449 simplex iterations) in 50.38 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%