Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:36 2013 Optimize a model with 3094 rows, 2924 columns and 11594 nonzeros Presolve removed 17 rows and 0 columns Presolve time: 0.01s Presolved: 3077 rows, 2924 columns, 11577 nonzeros Variable types: 2907 continuous, 17 integer (17 binary) Root relaxation: objective 2.348692e+04, 596 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23486.9211 0 11 - 23486.9211 - - 0s H 0 0 24045.000000 23486.9211 2.32% - 0s 0 0 23970.0233 0 1 24045.0000 23970.0233 0.31% - 0s H 0 0 23971.000000 23970.0233 0.00% - 0s Cutting planes: Implied bound: 9 Explored 0 nodes (716 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.397100000000e+04, best bound 2.397002325581e+04, gap 0.0041%