Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:56:26 2013
Optimize a model with 1600 rows, 76750 columns and 650950 nonzeros
Presolve removed 50 rows and 1250 columns
Presolve time: 1.50s
Presolved: 1550 rows, 75500 columns, 600950 nonzeros
Variable types: 75050 continuous, 450 integer (450 binary)
Root relaxation: objective 2.208160e+05, 2523 iterations, 0.28 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 220815.985 0 28 - 220815.985 - - 2s
0 0 220820.305 0 28 - 220820.305 - - 2s
0 0 220821.163 0 27 - 220821.163 - - 3s
0 0 220822.358 0 28 - 220822.358 - - 3s
0 0 220822.523 0 28 - 220822.523 - - 3s
0 0 220822.586 0 27 - 220822.586 - - 4s
0 0 220822.703 0 28 - 220822.703 - - 4s
0 0 220822.703 0 28 - 220822.703 - - 4s
0 0 220822.703 0 28 - 220822.703 - - 5s
0 0 220822.703 0 28 - 220822.703 - - 5s
0 0 220822.703 0 28 - 220822.703 - - 6s
0 0 220822.812 0 28 - 220822.812 - - 6s
0 0 220822.812 0 28 - 220822.812 - - 7s
0 0 220822.812 0 28 - 220822.812 - - 8s
0 2 220823.232 0 28 - 220823.232 - - 18s
14 16 221150.815 12 7 - 220832.635 - 55.7 20s
* 108 68 93 221536.31468 220832.635 0.32% 14.0 24s
132 81 221476.360 23 1 221536.315 220989.981 0.25% 14.5 25s
H 137 65 221505.58427 220989.981 0.23% 14.2 25s
* 144 67 31 221503.03668 220989.981 0.23% 13.8 25s
* 251 92 38 221480.67561 221156.646 0.15% 14.1 28s
* 280 97 37 221480.50163 221157.102 0.15% 13.6 29s
299 97 221354.262 19 7 221480.502 221175.169 0.14% 13.5 30s
* 316 90 36 221477.33686 221175.169 0.14% 13.2 30s
* 320 88 36 221477.32393 221175.169 0.14% 13.0 30s
482 105 221392.876 23 7 221477.324 221295.212 0.08% 14.0 35s
* 534 91 28 221476.99200 221329.959 0.07% 14.2 36s
664 85 221419.002 17 7 221476.992 221399.057 0.04% 13.5 40s
* 776 79 31 221476.77481 221422.173 0.02% 12.7 42s
Cutting planes:
Flow cover: 15
Explored 855 nodes (15633 simplex iterations) in 44.40 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 2.214767748146e+05, best bound 2.214549599994e+05, gap 0.0098%