Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:17:35 2013 Optimize a model with 1001 rows, 82901 columns and 165711 nonzeros Presolve time: 0.14s Presolved: 1001 rows, 82901 columns, 165711 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.012705e+05, 2922 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101270.524 0 10 - 101270.524 - - 0s H 0 0 109748.00000 101270.524 7.72% - 0s H 0 0 101782.00000 101270.524 0.50% - 0s 0 0 101712.078 0 6 101782.000 101712.078 0.07% - 0s 0 0 101712.078 0 10 101782.000 101712.078 0.07% - 1s 0 0 101712.078 0 5 101782.000 101712.078 0.07% - 1s 0 0 101729.621 0 4 101782.000 101729.621 0.05% - 1s 0 0 101740.556 0 5 101782.000 101740.556 0.04% - 1s 0 0 101752.410 0 4 101782.000 101752.410 0.03% - 1s 0 0 101753.884 0 4 101782.000 101753.884 0.03% - 1s 0 0 101758.895 0 2 101782.000 101758.895 0.02% - 1s 0 0 101761.099 0 4 101782.000 101761.099 0.02% - 1s 0 0 101761.453 0 2 101782.000 101761.453 0.02% - 1s 0 0 101762.030 0 5 101782.000 101762.030 0.02% - 1s 0 0 101764.250 0 4 101782.000 101764.250 0.02% - 1s 0 0 101766.941 0 3 101782.000 101766.941 0.01% - 2s 0 0 101767.889 0 4 101782.000 101767.889 0.01% - 2s 0 0 101767.914 0 3 101782.000 101767.914 0.01% - 2s 0 0 101767.956 0 2 101782.000 101767.956 0.01% - 2s 0 0 cutoff 0 101782.000 101782.000 0.0% - 2s Cutting planes: Implied bound: 139 Flow cover: 4 Explored 0 nodes (5827 simplex iterations) in 2.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.017820000000e+05, best bound 1.017820000000e+05, gap 0.0%