Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:02 2013 Optimize a model with 297 rows, 7317 columns and 14607 nonzeros Presolve time: 0.01s Presolved: 297 rows, 7317 columns, 14607 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 3.228709e+04, 493 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 32287.0881 0 5 - 32287.0881 - - 0s H 0 0 32683.000000 32287.0881 1.21% - 0s 0 0 32590.5540 0 2 32683.0000 32590.5540 0.28% - 0s H 0 0 32606.000000 32590.5540 0.05% - 0s 0 0 32591.8364 0 2 32606.0000 32591.8364 0.04% - 0s 0 0 32591.8364 0 2 32606.0000 32591.8364 0.04% - 0s 0 0 32605.5024 0 2 32606.0000 32605.5024 0.00% - 0s Cutting planes: Implied bound: 37 Explored 0 nodes (618 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.260600000000e+04, best bound 3.260550239234e+04, gap 0.0015%