Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:55:22 2012

Optimize a model with 39591 rows, 38612 columns and 156406 nonzeros
Presolve removed 1398 rows and 4706 columns
Presolve time: 0.98s
Presolved: 38193 rows, 33906 columns, 147980 nonzeros
Variable types: 0 continuous, 33906 integer (33906 binary)
Found heuristic solution: objective 196.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22448    3.0000724e+00   2.034392e+00   0.000000e+00      5s
   23410    3.0000000e+00   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 3.000000e+00, 23410 iterations, 5.51 seconds
Total elapsed time = 15.52s

    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%     -   19s

Explored 0 nodes (70502 simplex iterations) in 19.06 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%