Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:57:35 2012

Optimize a model with 42139 rows, 38612 columns and 164050 nonzeros
Presolve removed 394 rows and 2 columns
Presolve time: 1.01s
Presolved: 41941 rows, 38610 columns, 201060 nonzeros
Variable types: 0 continuous, 38610 integer (38610 binary)
Found heuristic solution: objective 196.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31929    3.0000795e+00   8.586862e+01   0.000000e+00      5s
   39552    3.0000825e+00   1.046237e+01   0.000000e+00     10s
   42459    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 42459 iterations, 12.30 seconds
Total elapsed time = 32.72s
Total elapsed time = 36.11s

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

     0     0    3.00000    0  555  196.00000    3.00000  98.5%     -   38s
H    0     0                       3.0000000    3.00000   0.0%     -   39s

Explored 0 nodes (113704 simplex iterations) in 39.82 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%