Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:47:04 2013 Optimize a model with 1000 rows, 25550 columns and 51900 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.09s Presolved: 950 rows, 25500 columns, 51600 nonzeros Variable types: 25350 continuous, 150 integer (150 binary) Root relaxation: objective 1.824192e+05, 2181 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 182419.206 0 2 - 182419.206 - - 0s H 0 0 187432.59106 182419.206 2.67% - 0s 0 0 182445.503 0 4 187432.591 182445.503 2.66% - 0s 0 0 182456.178 0 4 187432.591 182456.178 2.66% - 0s 0 0 182469.253 0 4 187432.591 182469.253 2.65% - 0s 0 0 182477.630 0 4 187432.591 182477.630 2.64% - 0s 0 0 182491.776 0 4 187432.591 182491.776 2.64% - 0s 0 0 182495.622 0 6 187432.591 182495.622 2.63% - 0s 0 0 182498.750 0 4 187432.591 182498.750 2.63% - 0s 0 0 182500.014 0 6 187432.591 182500.014 2.63% - 0s 0 0 182500.765 0 4 187432.591 182500.765 2.63% - 0s 0 0 182500.982 0 4 187432.591 182500.982 2.63% - 0s 0 0 182500.982 0 4 187432.591 182500.982 2.63% - 0s 0 2 182506.222 0 4 187432.591 182506.222 2.63% - 1s * 16 7 15 183859.84578 182701.496 0.63% 50.1 1s * 27 1 10 182872.35598 182872.356 0.0% 37.9 2s Cutting planes: Flow cover: 17 Explored 28 nodes (3648 simplex iterations) in 2.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.828723559779e+05, best bound 1.828723559779e+05, gap 0.0%