Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:19:18 2013 Optimize a model with 800 rows, 25300 columns and 50700 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.10s Presolved: 750 rows, 25250 columns, 50550 nonzeros Variable types: 25200 continuous, 50 integer (50 binary) Root relaxation: objective 2.208160e+05, 1976 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 220815.985 0 4 - 220815.985 - - 0s H 0 0 227372.29867 220815.985 2.88% - 0s 0 0 220899.042 0 2 227372.299 220899.042 2.85% - 0s 0 0 220941.070 0 3 227372.299 220941.070 2.83% - 0s 0 0 220950.042 0 2 227372.299 220950.042 2.82% - 0s 0 0 220950.042 0 2 227372.299 220950.042 2.82% - 0s 0 0 220951.882 0 3 227372.299 220951.882 2.82% - 0s 0 0 220951.882 0 3 227372.299 220951.882 2.82% - 0s 0 0 220954.592 0 3 227372.299 220954.592 2.82% - 0s 0 0 220956.567 0 2 227372.299 220956.567 2.82% - 0s 0 0 220957.343 0 3 227372.299 220957.343 2.82% - 0s 0 0 220957.476 0 3 227372.299 220957.476 2.82% - 0s 0 0 220957.887 0 3 227372.299 220957.887 2.82% - 0s 0 0 220957.996 0 3 227372.299 220957.996 2.82% - 1s 0 0 220960.609 0 3 227372.299 220960.609 2.82% - 1s 0 0 220961.140 0 3 227372.299 220961.140 2.82% - 1s 0 0 220961.809 0 3 227372.299 220961.809 2.82% - 1s 0 0 220962.869 0 3 227372.299 220962.869 2.82% - 1s 0 0 220964.792 0 3 227372.299 220964.792 2.82% - 1s 0 0 220965.786 0 3 227372.299 220965.786 2.82% - 1s 0 0 220966.124 0 3 227372.299 220966.124 2.82% - 1s 0 0 220966.580 0 3 227372.299 220966.580 2.82% - 1s 0 0 220967.010 0 3 227372.299 220967.010 2.82% - 1s 0 0 220968.383 0 3 227372.299 220968.383 2.82% - 1s 0 0 220973.200 0 4 227372.299 220973.200 2.81% - 1s 0 0 220974.539 0 4 227372.299 220974.539 2.81% - 1s 0 0 220974.539 0 4 227372.299 220974.539 2.81% - 1s 0 0 220974.858 0 3 227372.299 220974.858 2.81% - 1s 0 0 220974.913 0 4 227372.299 220974.913 2.81% - 1s 0 0 220975.349 0 4 227372.299 220975.349 2.81% - 1s 0 0 220975.358 0 4 227372.299 220975.358 2.81% - 1s 0 0 220975.540 0 4 227372.299 220975.540 2.81% - 1s 0 0 220975.558 0 4 227372.299 220975.558 2.81% - 2s 0 0 220976.050 0 4 227372.299 220976.050 2.81% - 2s 0 0 220976.904 0 3 227372.299 220976.904 2.81% - 2s 0 0 220976.904 0 3 227372.299 220976.904 2.81% - 2s 0 0 220976.904 0 3 227372.299 220976.904 2.81% - 2s 0 0 220977.073 0 3 227372.299 220977.073 2.81% - 2s 0 0 220978.037 0 3 227372.299 220978.037 2.81% - 2s 0 0 220979.578 0 3 227372.299 220979.578 2.81% - 2s 0 0 220979.578 0 3 227372.299 220979.578 2.81% - 2s 0 2 220992.526 0 3 227372.299 220992.526 2.81% - 2s * 13 6 13 221424.70359 221186.880 0.11% 33.4 2s Cutting planes: Flow cover: 24 Explored 23 nodes (4063 simplex iterations) in 3.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.214247035946e+05, best bound 2.214247035946e+05, gap 0.0%