Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:41 2013 Optimize a model with 6550 rows, 6300 columns and 25050 nonzeros Presolve removed 25 rows and 0 columns Presolve time: 0.03s Presolved: 6525 rows, 6300 columns, 25025 nonzeros Variable types: 6275 continuous, 25 integer (25 binary) Root relaxation: objective 2.456260e+04, 1006 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 24562.6040 0 18 - 24562.6040 - - 0s H 0 0 27033.000000 24562.6040 9.14% - 0s * 0 0 0 26161.000000 26161.0000 0.0% - 0s Cutting planes: Gomory: 14 Implied bound: 18 Explored 0 nodes (1198 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.616100000000e+04, best bound 2.616100000000e+04, gap 0.0%