Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:44:36 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.46s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 1.965334e+05, 6387 iterations, 0.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 196533.393 0 4 - 196533.393 - - 1s H 0 0 204699.00000 196533.393 3.99% - 1s 0 0 196590.539 0 3 204699.000 196590.539 3.96% - 2s 0 0 196593.157 0 4 204699.000 196593.157 3.96% - 2s 0 0 196605.917 0 3 204699.000 196605.917 3.95% - 2s 0 0 196606.714 0 3 204699.000 196606.714 3.95% - 3s 0 0 196614.707 0 3 204699.000 196614.707 3.95% - 3s 0 0 196618.296 0 3 204699.000 196618.296 3.95% - 4s 0 0 196618.326 0 3 204699.000 196618.326 3.95% - 4s 0 0 196620.033 0 2 204699.000 196620.033 3.95% - 4s 0 0 196622.612 0 3 204699.000 196622.612 3.95% - 5s 0 0 196622.612 0 3 204699.000 196622.612 3.95% - 5s 0 0 196622.612 0 3 204699.000 196622.612 3.95% - 5s 0 0 196624.546 0 3 204699.000 196624.546 3.94% - 6s 0 0 196624.734 0 3 204699.000 196624.734 3.94% - 6s 0 0 196624.734 0 3 204699.000 196624.734 3.94% - 7s 0 0 196625.414 0 2 204699.000 196625.414 3.94% - 7s H 0 0 204537.16136 196625.414 3.87% - 7s H 0 0 203413.00000 196625.414 3.34% - 7s 0 0 196625.414 0 2 203413.000 196625.414 3.34% - 7s 0 0 196625.414 0 2 203413.000 196625.414 3.34% - 8s 0 0 196625.414 0 2 203413.000 196625.414 3.34% - 8s 0 0 196625.414 0 4 203413.000 196625.414 3.34% - 10s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 11s 0 0 196625.414 0 4 203413.000 196625.414 3.34% - 11s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 11s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 12s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 12s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 12s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 13s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 13s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 13s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 14s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 14s 0 0 196625.414 0 2 203413.000 196625.414 3.34% - 14s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 15s 0 0 196625.414 0 3 203413.000 196625.414 3.34% - 15s H 0 0 201657.00000 196625.414 2.50% - 15s 0 0 196625.414 0 2 201657.000 196625.414 2.50% - 16s 0 0 196625.414 0 2 201657.000 196625.414 2.50% - 16s 0 0 196625.414 0 2 201657.000 196625.414 2.50% - 16s 0 0 196625.414 0 2 201657.000 196625.414 2.50% - 16s 0 0 196625.414 0 2 201657.000 196625.414 2.50% - 17s 0 2 196625.700 0 2 201657.000 196625.700 2.49% - 18s H 2 2 198582.92500 196628.723 0.98% 43.0 18s H 3 3 196749.00000 196631.545 0.06% 31.0 18s H 4 2 196742.82390 196631.667 0.06% 31.2 18s * 8 1 7 196725.00000 196706.081 0.01% 44.1 18s Cutting planes: Implied bound: 64 Flow cover: 4 Explored 9 nodes (14068 simplex iterations) in 18.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.967250000000e+05, best bound 1.967060805556e+05, gap 0.0096%