Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:48 2013 Optimize a model with 286 rows, 6786 columns and 13546 nonzeros Presolve time: 0.01s Presolved: 286 rows, 6786 columns, 13546 nonzeros Variable types: 6760 continuous, 26 integer (26 binary) Root relaxation: objective 2.625949e+04, 288 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26259.4921 0 3 - 26259.4921 - - 0s H 0 0 26550.000000 26259.4921 1.09% - 0s H 0 0 26363.000000 26259.4921 0.39% - 0s 0 0 26355.3333 0 1 26363.0000 26355.3333 0.03% - 0s 0 0 26362.1795 0 1 26363.0000 26362.1795 0.00% - 0s Cutting planes: Implied bound: 9 Explored 0 nodes (343 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.636300000000e+04, best bound 2.636217948718e+04, gap 0.0031%