Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:20:45 2012

Optimize a model with 58385 rows, 49506 columns and 223552 nonzeros
Presolve removed 471 rows and 5552 columns
Presolve time: 1.49s
Presolved: 57914 rows, 43954 columns, 216370 nonzeros
Variable types: 0 continuous, 43954 integer (43954 binary)
Found heuristic solution: objective 222.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33646    3.0000889e+00   1.948994e+02   0.000000e+00      5s
   37426    3.0000930e+00   7.819084e+01   0.000000e+00     10s
   40926    3.0000961e+00   3.064582e+01   0.000000e+00     15s
   44286    3.0000988e+00   6.045524e+01   0.000000e+00     20s
   47786    3.0001007e+00   1.148093e+02   0.000000e+00     25s
   51146    3.0001019e+00   4.660706e+00   0.000000e+00     30s
   54668    3.0000000e+00   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 3.000000e+00, 54668 iterations, 34.98 seconds

    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%     -   70s

Explored 0 nodes (92385 simplex iterations) in 70.48 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%