Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:09 2013 Optimize a model with 7614 rows, 7344 columns and 29214 nonzeros Presolve removed 27 rows and 0 columns Presolve time: 0.03s Presolved: 7587 rows, 7344 columns, 29187 nonzeros Variable types: 7317 continuous, 27 integer (27 binary) Root relaxation: objective 2.953563e+04, 1520 iterations, 0.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 29535.6309 0 25 - 29535.6309 - - 0s H 0 0 32840.000000 29535.6309 10.1% - 0s 0 0 32591.8364 0 2 32840.0000 32591.8364 0.76% - 0s H 0 0 32744.000000 32591.8364 0.46% - 0s H 0 0 32606.000000 32591.8364 0.04% - 0s 0 0 32601.1123 0 2 32606.0000 32601.1123 0.01% - 0s 0 0 32605.8182 0 1 32606.0000 32605.8182 0.00% - 0s Cutting planes: Implied bound: 22 Explored 0 nodes (1938 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.260600000000e+04, best bound 3.260581818182e+04, gap 0.0006%