Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:04 2013 Optimize a model with 9951 rows, 9641 columns and 38471 nonzeros Presolve removed 1144 rows and 0 columns Presolve time: 0.05s Presolved: 8807 rows, 9641 columns, 36183 nonzeros Variable types: 9610 continuous, 31 integer (31 binary) Root relaxation: objective 3.630132e+04, 1110 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36301.3158 0 1 - 36301.3158 - - 0s H 0 0 36355.000000 36301.3158 0.15% - 0s 0 0 36302.8248 0 2 36355.0000 36302.8248 0.14% - 0s 0 0 36302.8325 0 2 36355.0000 36302.8325 0.14% - 0s 0 0 36303.1293 0 2 36355.0000 36303.1293 0.14% - 0s 0 0 36303.1293 0 2 36355.0000 36303.1293 0.14% - 0s Cutting planes: Gomory: 1 Flow cover: 3 Explored 0 nodes (1136 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.635500000000e+04, best bound 3.635500000000e+04, gap 0.0%