Gurobi 5.0.1 (linux64) logging started Wed Nov 28 10:32:20 2012

Optimize a model with 140818 rows, 140712 columns and 557336 nonzeros
Presolve removed 2496 rows and 2496 columns
Presolve time: 1.15s
Presolved: 138322 rows, 138216 columns, 552344 nonzeros
Variable types: 135460 continuous, 2756 integer (2756 binary)
Found heuristic solution: objective 34050.000000
Found heuristic solution: objective 11201.000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28003    6.0070002e+03   3.570000e+02   0.000000e+00      5s
   43980    6.8660003e+03   4.030000e+02   0.000000e+00     10s
   56062    6.8830003e+03   3.600000e+02   0.000000e+00     16s
   66503    6.8830003e+03   1.900000e+02   0.000000e+00     22s
   73851    6.8830004e+03   1.320000e+02   0.000000e+00     26s
   80656    6.8905003e+03   1.410000e+02   0.000000e+00     31s
   89347    6.8905004e+03   1.045000e+02   0.000000e+00     37s
   95436    6.8940005e+03   2.260000e+02   0.000000e+00     41s
  100704    6.9050005e+03   1.710000e+02   0.000000e+00     46s
  106138    6.9050006e+03   1.610000e+02   0.000000e+00     51s
  111382    6.9050007e+03   1.780000e+02   0.000000e+00     56s
  117403    6.9050009e+03   8.100000e+01   0.000000e+00     61s
  121490    6.9050010e+03   8.000000e+00   0.000000e+00     65s
  121621    6.9050000e+03   0.000000e+00   0.000000e+00     65s

Root relaxation: objective 6.905000e+03, 121621 iterations, 65.24 seconds

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

*    0     0               0    6905.0000000 6905.00000   0.0%     -   66s

Explored 0 nodes (121621 simplex iterations) in 66.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.905000000000e+03, best bound 6.905000000000e+03, gap 0.0%