Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:24:55 2012

Optimize a model with 53888 rows, 45582 columns and 206182 nonzeros
Presolve removed 454 rows and 5540 columns
Presolve time: 1.34s
Presolved: 53434 rows, 40042 columns, 199077 nonzeros
Variable types: 0 continuous, 40042 integer (40042 binary)
Found heuristic solution: objective 213.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25775    3.0000731e+00   8.634146e+01   0.000000e+00      5s
   30230    3.0000767e+00   2.527733e+01   0.000000e+00     10s
   33875    3.0000795e+00   4.874180e+01   0.000000e+00     15s
   37520    3.0000820e+00   3.395061e+01   0.000000e+00     20s
   41165    3.0000849e+00   2.985820e+01   0.000000e+00     25s
   44810    3.0000874e+00   1.159054e+01   0.000000e+00     30s
   48590    3.0000918e+00   2.155778e+01   0.000000e+00     35s
   49633    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 49633 iterations, 36.38 seconds
Total elapsed time = 80.15s
Total elapsed time = 87.88s
Total elapsed time = 90.37s

    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%     -   91s

Explored 0 nodes (145724 simplex iterations) in 91.08 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%