Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:00:16 2012

Optimize a model with 61216 rows, 49062 columns and 231606 nonzeros
Presolve removed 1791 rows and 4643 columns
Presolve time: 4.43s
Presolved: 59425 rows, 44419 columns, 222007 nonzeros
Variable types: 0 continuous, 44419 integer (44419 binary)
Found heuristic solution: objective 221.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29018    3.0000810e+00   2.810714e+01   0.000000e+00      5s
   33530    3.0000842e+00   2.572799e+01   0.000000e+00     10s
   37196    3.0000881e+00   4.060323e+01   0.000000e+00     15s
   41003    3.0000919e+00   1.421560e+01   0.000000e+00     20s
   44951    3.0000964e+00   8.919714e+00   0.000000e+00     25s
   48557    3.0000000e+00   0.000000e+00   0.000000e+00     29s

Root relaxation: objective 3.000000e+00, 48557 iterations, 29.37 seconds
Total elapsed time = 77.28s
Total elapsed time = 83.59s
Total elapsed time = 86.52s

    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%     -   86s

Explored 0 nodes (124749 simplex iterations) in 86.97 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%