Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:48:46 2012

Optimize a model with 41817 rows, 41412 columns and 165849 nonzeros
Presolve removed 408 rows and 2 columns
Presolve time: 1.03s
Presolved: 41612 rows, 41410 columns, 205635 nonzeros
Variable types: 0 continuous, 41410 integer (41410 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30242    3.0000755e+00   3.348274e+01   0.000000e+00      5s
   37082    3.0000774e+00   2.087709e+01   0.000000e+00     10s
   39364    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 39364 iterations, 11.59 seconds
Total elapsed time = 31.97s

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

     0     0    3.00000    0   30  203.00000    3.00000  98.5%     -   32s
H    0     0                       3.0000000    3.00000   0.0%     -   32s

Explored 0 nodes (80143 simplex iterations) in 32.80 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%