Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:06 2013 Optimize a model with 978 rows, 882 columns and 3474 nonzeros Presolve removed 9 rows and 0 columns Presolve time: 0.00s Presolved: 969 rows, 882 columns, 3465 nonzeros Variable types: 873 continuous, 9 integer (9 binary) Root relaxation: objective 2.005387e+04, 210 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 20053.8673 0 6 - 20053.8673 - - 0s H 0 0 20277.000000 20053.8673 1.10% - 0s 0 0 cutoff 0 20277.0000 20277.0000 0.0% - 0s Cutting planes: Gomory: 4 Implied bound: 6 Explored 0 nodes (250 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.027700000000e+04, best bound 2.027700000000e+04, gap 0.0%