Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:20 2013 Optimize a model with 374 rows, 11594 columns and 23154 nonzeros Presolve time: 0.02s Presolved: 374 rows, 11594 columns, 23154 nonzeros Variable types: 11560 continuous, 34 integer (34 binary) Root relaxation: objective 3.471556e+04, 507 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34715.5564 0 8 - 34715.5564 - - 0s H 0 0 35882.000000 34715.5564 3.25% - 0s H 0 0 35543.000000 34715.5564 2.33% - 0s 0 0 34998.4108 0 6 35543.0000 34998.4108 1.53% - 0s 0 0 35012.0028 0 4 35543.0000 35012.0028 1.49% - 0s 0 0 35014.0720 0 4 35543.0000 35014.0720 1.49% - 0s 0 0 35014.7172 0 5 35543.0000 35014.7172 1.49% - 0s 0 0 35017.4870 0 4 35543.0000 35017.4870 1.48% - 0s 0 0 35017.5253 0 4 35543.0000 35017.5253 1.48% - 0s H 0 0 35060.000000 35017.5253 0.12% - 0s 0 0 35017.7334 0 4 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 8 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 6 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 5 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 4 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 4 35060.0000 35017.7334 0.12% - 0s 0 0 35017.7334 0 4 35060.0000 35017.7334 0.12% - 0s 0 0 35021.4497 0 3 35060.0000 35021.4497 0.11% - 0s 0 0 35022.3535 0 2 35060.0000 35022.3535 0.11% - 0s 0 2 35023.3134 0 2 35060.0000 35023.3134 0.10% - 0s Cutting planes: Implied bound: 83 Flow cover: 4 Explored 6 nodes (1408 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.506000000000e+04, best bound 3.506000000000e+04, gap 0.0%