Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:42 2013 Optimize a model with 451 rows, 16851 columns and 33661 nonzeros Presolve time: 0.02s Presolved: 451 rows, 16851 columns, 33661 nonzeros Variable types: 16810 continuous, 41 integer (41 binary) Root relaxation: objective 4.084561e+04, 657 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40845.6147 0 5 - 40845.6147 - - 0s H 0 0 41847.000000 40845.6147 2.39% - 0s H 0 0 41294.000000 40845.6147 1.09% - 0s 0 0 41123.1228 0 2 41294.0000 41123.1228 0.41% - 0s 0 0 41146.7630 0 2 41294.0000 41146.7630 0.36% - 0s 0 0 41156.4149 0 3 41294.0000 41156.4149 0.33% - 0s 0 0 41156.4149 0 5 41294.0000 41156.4149 0.33% - 0s 0 0 41156.4149 0 2 41294.0000 41156.4149 0.33% - 0s 0 0 41156.4149 0 2 41294.0000 41156.4149 0.33% - 0s 0 0 41161.8806 0 3 41294.0000 41161.8806 0.32% - 0s 0 0 41164.3378 0 2 41294.0000 41164.3378 0.31% - 0s 0 0 41164.3378 0 2 41294.0000 41164.3378 0.31% - 0s 0 0 41164.3378 0 2 41294.0000 41164.3378 0.31% - 0s 0 0 41164.3378 0 2 41294.0000 41164.3378 0.31% - 0s 0 0 cutoff 0 41294.0000 41294.0000 0.0% - 0s Cutting planes: Implied bound: 29 Explored 0 nodes (1333 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.129400000000e+04, best bound 4.129400000000e+04, gap 0.0%