Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:06 2013 Optimize a model with 242 rows, 4862 columns and 9702 nonzeros Presolve time: 0.01s Presolved: 242 rows, 4862 columns, 9702 nonzeros Variable types: 4840 continuous, 22 integer (22 binary) Root relaxation: objective 2.365716e+04, 287 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23657.1584 0 4 - 23657.1584 - - 0s H 0 0 23777.000000 23657.1584 0.50% - 0s 0 0 23733.8761 0 2 23777.0000 23733.8761 0.18% - 0s 0 0 23735.5082 0 1 23777.0000 23735.5082 0.17% - 0s 0 0 23735.5082 0 1 23777.0000 23735.5082 0.17% - 0s 0 0 23736.3559 0 1 23777.0000 23736.3559 0.17% - 0s 0 0 23760.6667 0 1 23777.0000 23760.6667 0.07% - 0s * 0 0 0 23766.000000 23766.0000 0.0% - 0s Cutting planes: Implied bound: 24 Explored 0 nodes (382 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.376600000000e+04, best bound 2.376600000000e+04, gap 0.0%