Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:46:08 2013 Optimize a model with 1050 rows, 25650 columns and 52000 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.29s Presolved: 950 rows, 25550 columns, 51650 nonzeros Variable types: 25350 continuous, 200 integer (200 binary) Root relaxation: objective 1.650739e+05, 2293 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s H 0 0 179473.27269 165073.856 8.02% - 0s H 0 0 168486.43946 165073.856 2.03% - 0s 0 0 165203.867 0 3 168486.439 165203.867 1.95% - 0s 0 0 165241.168 0 2 168486.439 165241.168 1.93% - 0s 0 0 165258.412 0 2 168486.439 165258.412 1.92% - 0s 0 0 165266.230 0 2 168486.439 165266.230 1.91% - 0s 0 0 165277.048 0 2 168486.439 165277.048 1.90% - 1s 0 0 165280.753 0 2 168486.439 165280.753 1.90% - 1s 0 0 165283.434 0 2 168486.439 165283.434 1.90% - 1s 0 0 165288.606 0 2 168486.439 165288.606 1.90% - 1s 0 0 165289.964 0 2 168486.439 165289.964 1.90% - 1s 0 0 165290.149 0 2 168486.439 165290.149 1.90% - 1s 0 0 165290.432 0 2 168486.439 165290.432 1.90% - 1s 0 0 165290.602 0 2 168486.439 165290.602 1.90% - 1s 0 0 165290.602 0 2 168486.439 165290.602 1.90% - 1s 0 2 165318.000 0 2 168486.439 165318.000 1.88% - 1s * 10 6 10 165615.57936 165503.812 0.07% 33.7 2s Cutting planes: Flow cover: 15 Explored 15 nodes (3156 simplex iterations) in 2.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656155793615e+05, best bound 1.656155793615e+05, gap 0.0%