Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:24:44 2013 Optimize a model with 1870 rows, 289170 columns and 578170 nonzeros Presolve time: 0.79s Presolved: 1870 rows, 289170 columns, 578170 nonzeros Variable types: 289000 continuous, 170 integer (170 binary) Root relaxation: objective 3.303186e+05, 11431 iterations, 1.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 330318.588 0 8 - 330318.588 - - 2s H 0 0 373116.00000 330318.588 11.5% - 3s 0 0 330795.187 0 6 373116.000 330795.187 11.3% - 4s H 0 0 361778.53121 330795.187 8.56% - 4s H 0 0 352937.00000 330795.187 6.27% - 4s 0 0 330844.094 0 5 352937.000 330844.094 6.26% - 6s H 0 0 352137.00000 330844.094 6.05% - 6s 0 0 330856.329 0 5 352137.000 330856.329 6.04% - 6s H 0 0 351947.00000 330856.329 5.99% - 7s 0 0 330863.759 0 5 351947.000 330863.759 5.99% - 7s 0 0 330866.050 0 5 351947.000 330866.050 5.99% - 8s H 0 0 351717.00000 330866.050 5.93% - 8s 0 0 330871.606 0 5 351717.000 330871.606 5.93% - 8s H 0 0 351639.00000 330871.606 5.91% - 9s 0 0 330871.658 0 5 351639.000 330871.658 5.91% - 9s H 0 0 351625.00000 330871.658 5.90% - 9s 0 0 330871.658 0 5 351625.000 330871.658 5.90% - 10s 0 0 330871.846 0 5 351625.000 330871.846 5.90% - 11s H 0 0 351557.00000 330871.846 5.88% - 12s H 0 0 340216.00000 330871.846 2.75% - 12s 0 0 330871.846 0 8 340216.000 330871.846 2.75% - 15s 0 0 330871.846 0 6 340216.000 330871.846 2.75% - 17s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 18s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 18s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 19s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 19s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 20s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 20s 0 0 330871.846 0 5 340216.000 330871.846 2.75% - 21s 0 0 330874.236 0 6 340216.000 330874.236 2.75% - 22s 0 0 330874.867 0 5 340216.000 330874.867 2.75% - 22s 0 0 330874.867 0 5 340216.000 330874.867 2.75% - 23s 0 0 330874.867 0 5 340216.000 330874.867 2.75% - 24s 0 0 330874.867 0 5 340216.000 330874.867 2.75% - 24s 0 2 330887.467 0 5 340216.000 330887.467 2.74% - 27s 4 6 331237.860 2 4 340216.000 331160.223 2.66% 490 30s H 5 5 335210.38060 331160.223 1.21% 392 30s H 6 6 334695.00000 331182.290 1.05% 356 31s H 8 8 334663.00000 331182.290 1.04% 403 32s H 10 10 334621.00000 331182.290 1.03% 348 32s H 11 10 331590.00000 331182.290 0.12% 337 33s * 15 10 11 331577.00000 331182.290 0.12% 264 33s 24 13 331493.113 9 1 331577.000 331226.716 0.11% 210 35s * 36 9 11 331435.00000 331261.787 0.05% 163 36s Cutting planes: Implied bound: 201 Flow cover: 10 Explored 50 nodes (33054 simplex iterations) in 37.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.314350000000e+05, best bound 3.314350000000e+05, gap 0.0%