Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:09 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 2.329354e+04, 832 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23293.5439 0 18 - 23293.5439 - - 0s H 0 0 24971.000000 23293.5439 6.72% - 0s * 0 0 0 24651.000000 24651.0000 0.0% - 0s Cutting planes: Gomory: 14 Implied bound: 17 Explored 0 nodes (1033 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.465100000000e+04, best bound 2.465100000000e+04, gap 0.0%