Gurobi 5.0.1 (linux64) logging started Sat Nov 17 08:15:27 2012
Optimize a model with 74806 rows, 57360 columns and 280584 nonzeros
Presolve removed 2409 rows and 4541 columns (presolve time = 5s) ...
Presolve removed 2411 rows and 4543 columns
Presolve time: 6.25s
Presolved: 72395 rows, 52817 columns, 269462 nonzeros
Variable types: 0 continuous, 52817 integer (52817 binary)
Found heuristic solution: objective 239.0000000
Root simplex log...
Iteration Objective Primal Inf. Dual Inf. Time
37738 3.0000756e+00 4.061080e+02 0.000000e+00 5s
42037 3.0001046e+00 1.243500e+03 0.000000e+00 10s
44501 3.0001083e+00 3.348026e+02 0.000000e+00 15s
46657 3.0001183e+00 8.137181e+01 0.000000e+00 20s
48813 3.0001236e+00 2.989713e+01 0.000000e+00 25s
51123 3.0001268e+00 4.905527e+01 0.000000e+00 30s
53433 3.0001307e+00 5.997636e+01 0.000000e+00 35s
55589 3.0001332e+00 3.297150e+01 0.000000e+00 40s
58053 3.0001365e+00 4.893389e+02 0.000000e+00 45s
60363 3.0001401e+00 2.848105e+02 0.000000e+00 50s
62673 3.0001436e+00 1.607760e+02 0.000000e+00 55s
64983 3.0001468e+00 9.213665e+01 0.000000e+00 60s
67139 3.0001498e+00 1.717734e+02 0.000000e+00 65s
69295 3.0001525e+00 8.441191e+00 0.000000e+00 70s
71451 3.0001560e+00 6.466411e+02 0.000000e+00 75s
73761 3.0001605e+00 2.855402e+02 0.000000e+00 80s
75917 3.0001630e+00 6.911337e+00 0.000000e+00 85s
77790 3.0000000e+00 0.000000e+00 0.000000e+00 89s
Root relaxation: objective 3.000000e+00, 77790 iterations, 88.62 seconds
Total elapsed time = 165.59s
Total elapsed time = 181.78s
Total elapsed time = 187.59s
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 3.00000 0 56 239.00000 3.00000 98.7% - 189s
H 0 0 3.0000000 3.00000 0.0% - 190s
Explored 0 nodes (185982 simplex iterations) in 190.04 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%