Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:27:38 2012

Optimize a model with 75987 rows, 58806 columns and 285558 nonzeros
Presolve removed 2433 rows and 3146 columns (presolve time = 5s) ...
Presolve removed 2435 rows and 3148 columns
Presolve time: 6.68s
Presolved: 73552 rows, 55658 columns, 275754 nonzeros
Variable types: 0 continuous, 55658 integer (55658 binary)
Found heuristic solution: objective 242.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34204    3.0000925e+00   1.857568e+02   0.000000e+00      5s
   38079    3.0000959e+00   2.873381e+02   0.000000e+00     10s
   40559    3.0000978e+00   9.454289e+01   0.000000e+00     15s
   43349    3.0001000e+00   8.107247e+01   0.000000e+00     20s
   46139    3.0001018e+00   1.693664e+01   0.000000e+00     25s
   48774    3.0001035e+00   1.413155e+02   0.000000e+00     30s
   51409    3.0001051e+00   1.058306e+01   0.000000e+00     35s
   54044    3.0001067e+00   4.376740e+01   0.000000e+00     40s
   56834    3.0001094e+00   4.908156e+01   0.000000e+00     45s
   59469    3.0001120e+00   1.376672e+02   0.000000e+00     50s
   61794    3.0001136e+00   1.480214e+03   0.000000e+00     55s
   64696    3.0001173e+00   1.579882e+01   0.000000e+00     60s
   65804    3.0000000e+00   0.000000e+00   0.000000e+00     63s

Root relaxation: objective 3.000000e+00, 65804 iterations, 62.61 seconds
Total elapsed time = 152.32s
Total elapsed time = 155.69s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0 8341  242.00000    3.00000  98.8%     -  159s
H    0     0                       3.0000000    3.00000   0.0%     -  207s

Explored 0 nodes (169170 simplex iterations) in 207.64 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%