Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:30 2013 Optimize a model with 418 rows, 14478 columns and 28918 nonzeros Presolve time: 0.02s Presolved: 418 rows, 14478 columns, 28918 nonzeros Variable types: 14440 continuous, 38 integer (38 binary) Root relaxation: objective 3.435655e+04, 474 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34356.5518 0 10 - 34356.5518 - - 0s H 0 0 35757.000000 34356.5518 3.92% - 0s H 0 0 34778.000000 34356.5518 1.21% - 0s 0 0 34701.1970 0 5 34778.0000 34701.1970 0.22% - 0s 0 0 34711.0250 0 3 34778.0000 34711.0250 0.19% - 0s 0 0 34711.0250 0 10 34778.0000 34711.0250 0.19% - 0s 0 0 34711.0250 0 5 34778.0000 34711.0250 0.19% - 0s 0 0 34711.0250 0 3 34778.0000 34711.0250 0.19% - 0s 0 0 34711.5132 0 4 34778.0000 34711.5132 0.19% - 0s 0 0 34715.5548 0 3 34778.0000 34715.5548 0.18% - 0s 0 0 34717.6977 0 3 34778.0000 34717.6977 0.17% - 0s 0 0 34717.6977 0 3 34778.0000 34717.6977 0.17% - 0s 0 0 34718.8485 0 4 34778.0000 34718.8485 0.17% - 0s 0 0 34720.7315 0 2 34778.0000 34720.7315 0.16% - 0s H 0 0 34741.000000 34720.7315 0.06% - 0s 0 1 34734.8182 0 1 34741.0000 34734.8182 0.02% - 0s Cutting planes: Implied bound: 46 Flow cover: 6 Explored 2 nodes (1209 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.474100000000e+04, best bound 3.474034782609e+04, gap 0.0019%