Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:59:59 2013 Optimize a model with 1078 rows, 96138 columns and 192178 nonzeros Presolve time: 0.16s Presolved: 1078 rows, 96138 columns, 192178 nonzeros Variable types: 96040 continuous, 98 integer (98 binary) Root relaxation: objective 1.333713e+05, 4131 iterations, 0.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 133371.285 0 3 - 133371.285 - - 0s H 0 0 136299.00000 133371.285 2.15% - 0s H 0 0 133885.00000 133371.285 0.38% - 0s 0 0 133413.290 0 2 133885.000 133413.290 0.35% - 0s 0 0 133413.290 0 3 133885.000 133413.290 0.35% - 1s 0 0 133413.290 0 2 133885.000 133413.290 0.35% - 1s 0 0 133414.290 0 2 133885.000 133414.290 0.35% - 1s 0 0 133419.290 0 2 133885.000 133419.290 0.35% - 1s 0 0 133420.597 0 2 133885.000 133420.597 0.35% - 1s 0 0 133420.597 0 2 133885.000 133420.597 0.35% - 1s 0 0 133420.597 0 2 133885.000 133420.597 0.35% - 1s 0 0 133420.597 0 2 133885.000 133420.597 0.35% - 1s 0 0 133420.597 0 2 133885.000 133420.597 0.35% - 2s 0 0 133420.896 0 1 133885.000 133420.896 0.35% - 2s 0 2 133421.644 0 1 133885.000 133421.644 0.35% - 2s H 4 1 133644.00000 133552.484 0.07% 50.0 2s H 5 2 133642.00000 133552.484 0.07% 51.8 2s * 7 2 7 133594.00000 133552.484 0.03% 37.7 2s Cutting planes: Implied bound: 35 Flow cover: 4 Explored 10 nodes (7685 simplex iterations) in 2.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.335940000000e+05, best bound 1.335940000000e+05, gap 0.0%