Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:22:31 2012

Optimize a model with 47402 rows, 43056 columns and 184228 nonzeros
Presolve removed 439 rows and 4763 columns
Presolve time: 1.17s
Presolved: 46963 rows, 38293 columns, 177978 nonzeros
Variable types: 0 continuous, 38293 integer (38293 binary)
Found heuristic solution: objective 207.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28919    3.0000765e+00   6.194270e+01   0.000000e+00      5s
   34126    3.0000844e+00   1.659420e+00   0.000000e+00     10s
   34724    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 34724 iterations, 10.56 seconds
Total elapsed time = 26.25s

    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%     -   28s

Explored 0 nodes (82035 simplex iterations) in 28.68 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%