Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:31:04 2012

Optimize a model with 82901 rows, 60762 columns and 308236 nonzeros
Presolve removed 2227 rows and 3198 columns (presolve time = 5s) ...
Presolve removed 2229 rows and 3200 columns
Presolve time: 7.43s
Presolved: 80672 rows, 57562 columns, 298970 nonzeros
Variable types: 0 continuous, 57562 integer (57562 binary)
Found heuristic solution: objective 246.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34317    3.0000959e+00   4.031250e+01   0.000000e+00      5s
   38205    3.0001001e+00   1.817500e+01   0.000000e+00     10s
   41445    3.0001024e+00   2.390627e+01   0.000000e+00     15s
   44037    3.0001038e+00   2.860541e+01   0.000000e+00     20s
   46791    3.0001055e+00   2.712549e+01   0.000000e+00     25s
   49869    3.0001086e+00   1.944085e+01   0.000000e+00     30s
   53109    3.0001132e+00   1.774923e+01   0.000000e+00     35s
   55863    3.0001171e+00   9.977213e+00   0.000000e+00     40s
   58131    3.0001197e+00   1.002255e+01   0.000000e+00     45s
   60399    3.0001217e+00   4.227399e+01   0.000000e+00     50s
   62667    3.0001233e+00   3.525507e+01   0.000000e+00     55s
   64773    3.0001253e+00   2.422178e+00   0.000000e+00     60s
   64980    3.0000000e+00   0.000000e+00   0.000000e+00     61s

Root relaxation: objective 3.000000e+00, 64980 iterations, 60.76 seconds
Total elapsed time = 175.25s

    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%     -  181s

Explored 0 nodes (189146 simplex iterations) in 181.66 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%