Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:46 2013 Optimize a model with 660 rows, 2030 columns and 5550 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.05s Presolved: 650 rows, 2020 columns, 5040 nonzeros Variable types: 1520 continuous, 500 integer (500 binary) Root relaxation: objective 2.387367e+04, 259 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23873.6700 0 2 - 23873.6700 - - 0s 0 0 23894.3671 0 2 - 23894.3671 - - 0s 0 0 23894.3671 0 2 - 23894.3671 - - 0s H 0 0 24153.548513 23894.3671 1.07% - 0s 0 1 23901.0217 0 4 24153.5485 23901.0217 1.05% - 0s * 23 5 19 23950.714296 23950.6453 0.00% 6.5 0s Cutting planes: Gomory: 2 Implied bound: 1 Explored 24 nodes (517 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395071429558e+04, best bound 2.395064533774e+04, gap 0.0003%