Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:15 2013 Optimize a model with 1342 rows, 1232 columns and 4862 nonzeros Presolve removed 11 rows and 0 columns Presolve time: 0.00s Presolved: 1331 rows, 1232 columns, 4851 nonzeros Variable types: 1221 continuous, 11 integer (11 binary) Root relaxation: objective 1.246589e+04, 208 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12465.8926 0 4 - 12465.8926 - - 0s H 0 0 12688.000000 12465.8926 1.75% - 0s 0 0 cutoff 0 12688.0000 12688.0000 0.0% - 0s Cutting planes: Gomory: 2 Implied bound: 4 Explored 0 nodes (239 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268800000000e+04, best bound 1.268800000000e+04, gap 0.0%