Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:08 2013 Optimize a model with 5104 rows, 4884 columns and 19404 nonzeros Presolve removed 22 rows and 0 columns Presolve time: 0.02s Presolved: 5082 rows, 4884 columns, 19382 nonzeros Variable types: 4862 continuous, 22 integer (22 binary) Root relaxation: objective 2.709733e+04, 788 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 27097.3311 0 17 - 27097.3311 - - 0s H 0 0 28998.000000 27097.3311 6.55% - 0s * 0 0 0 28682.000000 28682.0000 0.0% - 0s Cutting planes: Gomory: 14 Implied bound: 16 Explored 0 nodes (1024 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.868200000000e+04, best bound 2.868200000000e+04, gap 0.0%