Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:30:56 2013 Optimize a model with 1980 rows, 324180 columns and 648180 nonzeros Presolve time: 1.04s Presolved: 1980 rows, 324180 columns, 648180 nonzeros Variable types: 324000 continuous, 180 integer (180 binary) Root relaxation: objective 3.620979e+05, 11116 iterations, 1.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 362097.940 0 9 - 362097.940 - - 2s H 0 0 398389.00000 362097.940 9.11% - 4s 0 0 362548.339 0 7 398389.000 362548.339 9.00% - 6s 0 0 362655.933 0 7 398389.000 362655.933 8.97% - 7s 0 0 362676.275 0 6 398389.000 362676.275 8.96% - 8s 0 0 362688.397 0 5 398389.000 362688.397 8.96% - 8s H 0 0 389057.97215 362688.397 6.78% - 9s H 0 0 387316.00000 362688.397 6.36% - 9s 0 0 362699.420 0 5 387316.000 362699.420 6.36% - 9s 0 0 362704.974 0 6 387316.000 362704.974 6.35% - 10s 0 0 362708.879 0 6 387316.000 362708.879 6.35% - 11s H 0 0 387215.00000 362708.879 6.33% - 11s 0 0 362708.879 0 6 387215.000 362708.879 6.33% - 12s 0 0 362713.130 0 5 387215.000 362713.130 6.33% - 13s 0 0 362713.252 0 6 387215.000 362713.252 6.33% - 14s H 0 0 387085.00000 362713.252 6.30% - 14s 0 0 362714.580 0 5 387085.000 362714.580 6.30% - 15s 0 2 362757.748 0 5 387085.000 362757.748 6.28% - 18s 2 4 363613.089 1 5 387085.000 363304.558 6.14% 632 20s H 3 3 383962.66212 363304.558 5.38% 421 21s H 6 6 376106.00000 363393.769 3.38% 320 22s H 7 7 370393.00000 363393.769 1.89% 282 23s H 9 9 364662.00000 363393.769 0.35% 298 24s H 13 11 363936.80252 363393.769 0.15% 225 25s H 14 11 363889.27830 363393.769 0.14% 212 25s * 17 12 15 363887.00000 363393.769 0.14% 177 25s * 19 10 15 363854.00000 363393.769 0.13% 161 25s 51 7 cutoff 2 363854.000 363773.269 0.02% 132 30s Cutting planes: Implied bound: 221 Flow cover: 10 Explored 56 nodes (19522 simplex iterations) in 30.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.638540000000e+05, best bound 3.638238350515e+05, gap 0.0083%