Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:35:55 2013 Optimize a model with 2090 rows, 361190 columns and 722190 nonzeros Presolve time: 2.26s Presolved: 2090 rows, 361190 columns, 722190 nonzeros Variable types: 361000 continuous, 190 integer (190 binary) Root relaxation: objective 4.046018e+05, 13032 iterations, 1.46 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 404601.784 0 10 - 404601.784 - - 4s H 0 0 458289.00000 404601.784 11.7% - 4s 0 0 404940.945 0 9 458289.000 404940.945 11.6% - 6s 0 0 404990.332 0 7 458289.000 404990.332 11.6% - 8s H 0 0 446796.66162 404990.332 9.36% - 8s H 0 0 445536.00000 404990.332 9.10% - 8s 0 0 404996.104 0 7 445536.000 404996.104 9.10% - 9s H 0 0 445174.00000 404996.104 9.03% - 9s 0 0 405005.954 0 8 445174.000 405005.954 9.02% - 10s H 0 0 445024.00000 405005.954 8.99% - 10s 0 0 405013.358 0 8 445024.000 405013.358 8.99% - 11s H 0 0 444992.00000 405013.358 8.98% - 11s 0 0 405020.088 0 8 444992.000 405020.088 8.98% - 12s 0 0 405020.139 0 7 444992.000 405020.139 8.98% - 12s H 0 0 444752.00000 405020.139 8.93% - 13s 0 0 405021.032 0 7 444752.000 405021.032 8.93% - 13s H 0 0 444688.00000 405021.032 8.92% - 14s 0 0 405021.032 0 7 444688.000 405021.032 8.92% - 14s H 0 0 444614.00000 405021.032 8.91% - 14s 0 0 405021.032 0 7 444614.000 405021.032 8.91% - 15s 0 0 405021.032 0 7 444614.000 405021.032 8.91% - 16s H 0 0 414886.00000 405021.032 2.38% - 21s 0 2 405043.549 0 7 414886.000 405043.549 2.37% - 21s H 5 4 406558.13027 405376.205 0.29% 267 24s H 7 6 405951.49721 405376.205 0.14% 205 24s H 8 7 405918.81250 405376.205 0.13% 192 24s H 9 8 405914.00000 405376.205 0.13% 173 24s 10 9 405620.536 8 3 405914.000 405376.205 0.13% 176 25s * 15 9 13 405807.00000 405376.205 0.11% 127 25s 41 18 405715.272 6 3 405807.000 405526.221 0.07% 119 30s 92 9 405715.163 2 6 405807.000 405715.163 0.02% 92.9 35s Cutting planes: Implied bound: 297 Flow cover: 14 Explored 103 nodes (23178 simplex iterations) in 35.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.058070000000e+05, best bound 4.057795181373e+05, gap 0.0068%