Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:32:16 2013 Optimize a model with 2090 rows, 361190 columns and 722190 nonzeros Presolve time: 2.28s Presolved: 2090 rows, 361190 columns, 722190 nonzeros Variable types: 361000 continuous, 190 integer (190 binary) Root relaxation: objective 3.841712e+05, 11363 iterations, 1.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 384171.170 0 6 - 384171.170 - - 3s H 0 0 417301.00000 384171.170 7.94% - 5s 0 0 384553.182 0 4 417301.000 384553.182 7.85% - 6s 0 0 384707.177 0 4 417301.000 384707.177 7.81% - 7s 0 0 384781.118 0 4 417301.000 384781.118 7.79% - 8s 0 0 384821.022 0 4 417301.000 384821.022 7.78% - 9s 0 0 384836.699 0 4 417301.000 384836.699 7.78% - 10s 0 0 384849.247 0 4 417301.000 384849.247 7.78% - 11s 0 0 384857.032 0 4 417301.000 384857.032 7.77% - 12s 0 0 384862.188 0 4 417301.000 384862.188 7.77% - 13s 0 0 384863.964 0 4 417301.000 384863.964 7.77% - 13s 0 0 384864.415 0 4 417301.000 384864.415 7.77% - 14s 0 0 384864.415 0 4 417301.000 384864.415 7.77% - 15s 0 0 384864.415 0 4 417301.000 384864.415 7.77% - 16s 0 2 384870.185 0 4 417301.000 384870.185 7.77% - 19s H 1 1 405894.78559 384870.185 5.18% 0.0 20s H 2 2 390915.58317 384943.230 1.53% 98.0 20s 10 12 385763.710 8 3 390915.583 384972.697 1.52% 220 25s H 12 12 390719.00000 384972.697 1.47% 189 25s H 13 13 388638.00000 384972.697 0.94% 177 25s H 14 13 386433.00000 384972.697 0.38% 180 26s H 15 14 386284.00000 384972.697 0.34% 181 26s * 23 15 17 386003.00000 384972.697 0.27% 126 27s 35 20 385860.043 8 2 386003.000 385150.809 0.22% 154 30s H 44 16 385979.00000 385307.937 0.17% 145 31s H 45 10 385825.00000 385307.937 0.13% 142 31s H 49 8 385505.52747 385307.937 0.05% 135 31s H 50 6 385491.00000 385307.937 0.05% 132 31s * 51 6 10 385472.00000 385307.937 0.04% 130 31s Cutting planes: Implied bound: 144 Flow cover: 1 Explored 57 nodes (19309 simplex iterations) in 32.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.854720000000e+05, best bound 3.854373846154e+05, gap 0.0090%