Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:20 2013 Optimize a model with 800 rows, 25400 columns and 50850 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.12s Presolved: 700 rows, 25250 columns, 50500 nonzeros Variable types: 25200 continuous, 50 integer (50 binary) Root relaxation: objective 2.208160e+05, 1778 iterations, 0.07 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 H 0 0 223266.22477 220815.985 1.10% - 0s 0 0 220899.042 0 2 223266.225 220899.042 1.06% - 0s 0 0 220942.642 0 3 223266.225 220942.642 1.04% - 0s 0 0 220946.307 0 3 223266.225 220946.307 1.04% - 0s 0 0 220947.484 0 3 223266.225 220947.484 1.04% - 0s 0 0 220949.036 0 3 223266.225 220949.036 1.04% - 0s 0 0 220954.645 0 3 223266.225 220954.645 1.04% - 0s 0 0 220957.456 0 3 223266.225 220957.456 1.03% - 0s 0 0 220958.512 0 3 223266.225 220958.512 1.03% - 0s 0 0 220959.035 0 3 223266.225 220959.035 1.03% - 0s 0 0 220959.477 0 3 223266.225 220959.477 1.03% - 0s 0 0 220959.477 0 3 223266.225 220959.477 1.03% - 1s 0 0 220959.886 0 3 223266.225 220959.886 1.03% - 1s 0 0 220960.676 0 3 223266.225 220960.676 1.03% - 1s 0 0 220963.091 0 3 223266.225 220963.091 1.03% - 1s 0 0 220963.750 0 3 223266.225 220963.750 1.03% - 1s 0 0 220963.938 0 3 223266.225 220963.938 1.03% - 1s 0 0 220965.931 0 3 223266.225 220965.931 1.03% - 1s 0 0 220969.965 0 3 223266.225 220969.965 1.03% - 1s 0 0 220970.600 0 3 223266.225 220970.600 1.03% - 1s 0 0 220971.009 0 3 223266.225 220971.009 1.03% - 1s 0 0 220971.429 0 3 223266.225 220971.429 1.03% - 1s 0 0 220971.693 0 3 223266.225 220971.693 1.03% - 1s 0 0 220973.736 0 3 223266.225 220973.736 1.03% - 1s 0 0 220973.736 0 3 223266.225 220973.736 1.03% - 1s 0 0 220973.897 0 4 223266.225 220973.897 1.03% - 2s 0 0 220974.672 0 4 223266.225 220974.672 1.03% - 2s 0 0 220975.454 0 3 223266.225 220975.454 1.03% - 2s 0 0 220975.454 0 3 223266.225 220975.454 1.03% - 2s 0 0 220975.565 0 3 223266.225 220975.565 1.03% - 2s 0 0 220975.779 0 4 223266.225 220975.779 1.03% - 2s 0 0 220976.699 0 4 223266.225 220976.699 1.03% - 2s 0 0 220976.919 0 4 223266.225 220976.919 1.03% - 2s 0 0 220977.127 0 4 223266.225 220977.127 1.03% - 2s 0 0 220977.226 0 4 223266.225 220977.226 1.03% - 2s 0 0 220977.889 0 4 223266.225 220977.889 1.02% - 2s 0 0 220978.116 0 4 223266.225 220978.116 1.02% - 2s 0 0 220979.750 0 3 223266.225 220979.750 1.02% - 2s 0 0 220979.750 0 3 223266.225 220979.750 1.02% - 2s 0 2 220992.792 0 3 223266.225 220992.792 1.02% - 3s * 10 6 10 221424.70359 221142.901 0.13% 34.5 3s Cutting planes: Flow cover: 22 Explored 18 nodes (3344 simplex iterations) in 3.38 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%