Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:42 2013 Optimize a model with 800 rows, 25350 columns and 50950 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.14s Presolved: 750 rows, 25300 columns, 50750 nonzeros Variable types: 25250 continuous, 50 integer (50 binary) Root relaxation: objective 2.252562e+05, 2548 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 225256.157 0 1 - 225256.157 - - 0s H 0 0 229476.15683 225256.157 1.84% - 0s 0 0 225293.414 0 1 229476.157 225293.414 1.82% - 0s 0 0 225298.807 0 1 229476.157 225298.807 1.82% - 0s 0 0 225316.100 0 1 229476.157 225316.100 1.81% - 0s 0 0 225316.810 0 2 229476.157 225316.810 1.81% - 0s 0 0 225317.712 0 1 229476.157 225317.712 1.81% - 0s 0 0 225320.762 0 2 229476.157 225320.762 1.81% - 0s 0 0 225322.353 0 1 229476.157 225322.353 1.81% - 0s 0 0 225323.272 0 2 229476.157 225323.272 1.81% - 0s 0 0 225323.635 0 2 229476.157 225323.635 1.81% - 1s 0 0 225324.326 0 2 229476.157 225324.326 1.81% - 1s 0 0 225324.615 0 1 229476.157 225324.615 1.81% - 1s 0 0 225324.692 0 1 229476.157 225324.692 1.81% - 1s 0 0 225324.818 0 1 229476.157 225324.818 1.81% - 1s 0 0 225324.864 0 2 229476.157 225324.864 1.81% - 1s 0 0 225324.864 0 2 229476.157 225324.864 1.81% - 1s 0 2 225347.078 0 2 229476.157 225347.078 1.80% - 1s * 10 4 10 225915.15199 225797.399 0.05% 79.3 1s Cutting planes: Flow cover: 14 Explored 13 nodes (4305 simplex iterations) in 1.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%