Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:30:05 2013
Optimize a model with 1500 rows, 51100 columns and 270850 nonzeros
Presolve removed 50 rows and 5650 columns
Presolve time: 0.40s
Presolved: 1450 rows, 45450 columns, 250850 nonzeros
Variable types: 45050 continuous, 400 integer (400 binary)
Root relaxation: objective 2.208160e+05, 2523 iterations, 0.11 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 220815.985 0 20 - 220815.985 - - 0s
0 0 220826.586 0 20 - 220826.586 - - 0s
0 0 220828.753 0 20 - 220828.753 - - 0s
0 0 220828.753 0 20 - 220828.753 - - 1s
0 0 220828.753 0 20 - 220828.753 - - 1s
0 2 220831.438 0 20 - 220831.438 - - 3s
44 46 221490.593 42 5 - 220878.419 - 22.1 5s
* 75 41 71 221501.89891 220878.419 0.28% 13.5 5s
* 130 60 35 221500.42877 221039.774 0.21% 13.6 5s
* 132 56 33 221499.46231 221039.774 0.21% 13.4 5s
* 171 75 33 221498.99632 221041.643 0.21% 13.3 6s
* 204 80 31 221496.95804 221093.099 0.18% 12.9 6s
* 241 84 30 221496.43493 221187.103 0.14% 13.5 6s
* 242 80 29 221495.93640 221187.103 0.14% 13.4 6s
* 285 86 32 221493.77371 221228.364 0.12% 15.8 7s
* 317 64 35 221479.37344 221244.032 0.11% 14.9 7s
564 93 221359.632 13 5 221479.373 221359.632 0.05% 12.6 10s
* 600 101 29 221479.18766 221368.389 0.05% 12.2 10s
* 608 100 36 221479.17578 221368.389 0.05% 12.1 10s
H 660 84 221478.59326 221414.789 0.03% 11.7 10s
* 671 87 28 221478.55266 221414.789 0.03% 11.6 10s
* 706 75 27 221477.81877 221423.776 0.02% 11.3 11s
* 711 74 30 221477.31919 221423.776 0.02% 11.2 11s
* 775 42 23 221476.98579 221448.285 0.01% 10.8 11s
Cutting planes:
Flow cover: 8
Explored 784 nodes (11483 simplex iterations) in 11.83 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 2.214769857930e+05, best bound 2.214549081254e+05, gap 0.0100%