Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:46:42 2013 Optimize a model with 1000 rows, 25550 columns and 51900 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.08s Presolved: 950 rows, 25500 columns, 51600 nonzeros Variable types: 25350 continuous, 150 integer (150 binary) Root relaxation: objective 1.626233e+05, 1493 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 162623.326 0 10 - 162623.326 - - 0s 0 0 162707.760 0 10 - 162707.760 - - 0s 0 0 162729.347 0 10 - 162729.347 - - 0s 0 0 162731.110 0 8 - 162731.110 - - 0s 0 0 162731.542 0 8 - 162731.542 - - 0s 0 0 162731.632 0 8 - 162731.632 - - 0s 0 0 162731.632 0 8 - 162731.632 - - 0s H 0 0 163649.33815 162731.632 0.56% - 0s 0 2 162731.632 0 8 163649.338 162731.632 0.56% - 1s * 26 6 25 162972.97336 162861.229 0.07% 16.5 1s H 27 3 162934.79909 162861.229 0.05% 15.9 1s * 32 4 14 162915.62300 162870.263 0.03% 14.7 1s Cutting planes: Flow cover: 19 Explored 39 nodes (2509 simplex iterations) in 1.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.629156229963e+05, best bound 1.629156229963e+05, gap 0.0%