Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:08:01 2012

Optimize a model with 69937 rows, 58806 columns and 267408 nonzeros
Presolve removed 755 rows and 6536 columns
Presolve time: 1.91s
Presolved: 69182 rows, 52270 columns, 258608 nonzeros
Variable types: 0 continuous, 52270 integer (52270 binary)
Found heuristic solution: objective 242.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34087    3.0000499e+00   4.990000e+02   0.000000e+00      5s
   42540    3.0000902e+00   8.769888e+01   0.000000e+00     10s
   46164    3.0000934e+00   3.560274e+01   0.000000e+00     15s
   49486    3.0000956e+00   3.034714e+01   0.000000e+00     20s
   52808    3.0000979e+00   2.854219e+01   0.000000e+00     25s
   55979    3.0000997e+00   1.804746e+02   0.000000e+00     30s
   58999    3.0001014e+00   5.856665e+01   0.000000e+00     35s
   62019    3.0001032e+00   1.813622e+03   0.000000e+00     40s
   65039    3.0001047e+00   9.090770e+01   0.000000e+00     45s
   68059    3.0001066e+00   1.218939e+02   0.000000e+00     50s
   71230    3.0001086e+00   5.676570e+00   0.000000e+00     55s
   74107    3.0000000e+00   0.000000e+00   0.000000e+00     59s

Root relaxation: objective 3.000000e+00, 74107 iterations, 58.95 seconds
Total elapsed time = 91.89s
Total elapsed time = 97.71s

    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%     -   99s

Explored 0 nodes (179154 simplex iterations) in 99.18 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%