Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:42:20 2013 Optimize a model with 2200 rows, 400200 columns and 800200 nonzeros Presolve time: 1.13s Presolved: 2200 rows, 400200 columns, 800200 nonzeros Variable types: 400000 continuous, 200 integer (200 binary) Root relaxation: objective 4.354070e+05, 13767 iterations, 1.68 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 435406.958 0 6 - 435406.958 - - 3s H 0 0 464362.00000 435406.958 6.24% - 4s 0 0 435657.919 0 4 464362.000 435657.919 6.18% - 6s 0 0 435707.103 0 4 464362.000 435707.103 6.17% - 7s 0 0 435713.481 0 4 464362.000 435713.481 6.17% - 8s 0 0 435726.949 0 4 464362.000 435726.949 6.17% - 9s 0 0 435729.727 0 4 464362.000 435729.727 6.17% - 9s 0 0 435734.694 0 3 464362.000 435734.694 6.16% - 10s H 0 0 463404.98533 435734.694 5.97% - 10s H 0 0 461123.00000 435734.694 5.51% - 11s 0 0 435738.855 0 3 461123.000 435738.855 5.50% - 11s H 0 0 461064.00000 435738.855 5.49% - 11s 0 0 435741.195 0 3 461064.000 435741.195 5.49% - 12s H 0 0 461028.00000 435741.195 5.48% - 12s 0 0 435741.195 0 3 461028.000 435741.195 5.48% - 13s H 0 0 459257.00000 435741.195 5.12% - 13s 0 0 435741.596 0 3 459257.000 435741.596 5.12% - 14s 0 0 435742.713 0 3 459257.000 435742.713 5.12% - 15s 0 0 435742.713 0 3 459257.000 435742.713 5.12% - 16s 0 0 435742.713 0 3 459257.000 435742.713 5.12% - 17s H 0 0 454178.00000 435742.713 4.06% - 20s 0 0 435742.713 0 6 454178.000 435742.713 4.06% - 23s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 25s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 26s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 27s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 27s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 28s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 29s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 30s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 31s 0 0 435742.713 0 4 454178.000 435742.713 4.06% - 31s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 32s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 33s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 34s 0 0 435742.713 0 3 454178.000 435742.713 4.06% - 35s 0 2 435759.406 0 3 454178.000 435759.406 4.06% - 38s 2 5 435918.074 2 4 454178.000 435900.542 4.02% 326 40s H 3 3 453560.54074 435900.542 3.89% 217 40s H 4 4 452067.00000 435900.542 3.58% 210 40s H 5 5 444568.00000 435900.542 1.95% 189 41s H 6 6 442618.00000 435900.542 1.52% 177 41s H 7 6 436688.00000 435900.542 0.18% 169 41s H 10 9 436672.00000 435900.542 0.18% 133 42s H 11 10 436574.00000 435900.542 0.15% 124 42s H 14 11 436540.00000 435900.542 0.15% 112 43s H 15 11 436484.00000 435900.542 0.13% 109 43s H 17 10 436301.00000 435900.542 0.09% 97.9 43s H 18 10 436290.00000 435900.542 0.09% 92.8 43s * 19 9 16 436258.00000 435900.542 0.08% 88.1 43s 28 7 cutoff 4 436258.000 436008.249 0.06% 113 45s H 30 5 436249.00000 436022.317 0.05% 123 45s H 30 5 436238.00000 436022.317 0.05% 123 46s * 33 4 9 436136.00000 436092.871 0.01% 123 46s Cutting planes: Implied bound: 145 Flow cover: 4 Explored 34 nodes (31949 simplex iterations) in 46.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.361360000000e+05, best bound 4.360928714054e+05, gap 0.0099%