Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:33:00 2012

Optimize a model with 62216 rows, 49952 columns and 235486 nonzeros
Presolve removed 3140 rows and 3570 columns
Presolve time: 4.65s
Presolved: 59076 rows, 46382 columns, 223583 nonzeros
Variable types: 0 continuous, 46382 integer (46382 binary)
Found heuristic solution: objective 223.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25002    3.0000866e+00   1.640000e+01   0.000000e+00      5s
   28809    3.0000896e+00   1.026498e+02   0.000000e+00     10s
   32334    3.0000925e+00   2.799806e+02   0.000000e+00     15s
   36000    3.0000966e+00   6.136161e+01   0.000000e+00     20s
   39384    3.0000994e+00   1.692917e+02   0.000000e+00     25s
   42909    3.0001026e+00   4.657353e+01   0.000000e+00     30s
   46350    3.0000000e+00   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 3.000000e+00, 46350 iterations, 34.84 seconds
Total elapsed time = 98.88s
Total elapsed time = 102.06s

    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%     -  103s

Explored 0 nodes (153428 simplex iterations) in 103.18 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%