Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:39 2013 Optimize a model with 198 rows, 3258 columns and 6498 nonzeros Presolve time: 0.00s Presolved: 198 rows, 3258 columns, 6498 nonzeros Variable types: 3240 continuous, 18 integer (18 binary) Root relaxation: objective 1.987786e+04, 190 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 19877.8587 0 4 - 19877.8587 - - 0s H 0 0 20000.000000 19877.8587 0.61% - 0s H 0 0 19958.000000 19877.8587 0.40% - 0s 0 0 cutoff 0 19958.0000 19958.0000 0.0% - 0s Cutting planes: Implied bound: 79 Flow cover: 3 Explored 0 nodes (215 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.995800000000e+04, best bound 1.995800000000e+04, gap 0.0%