Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:20 2013 Optimize a model with 34 rows, 2070 columns and 26041 nonzeros Presolve removed 12 rows and 60 columns Presolve time: 0.09s Presolved: 22 rows, 2010 columns, 24018 nonzeros Variable types: 2000 continuous, 10 integer (10 binary) Root relaxation: objective 3.439496e+03, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3439.49586 0 4 - 3439.49586 - - 0s 0 0 3439.49688 0 4 - 3439.49688 - - 0s 0 0 3439.49723 0 4 - 3439.49723 - - 0s 0 0 3439.51782 0 5 - 3439.51782 - - 0s 0 0 3439.51782 0 5 - 3439.51782 - - 0s H 0 0 3439.5352553 3439.51782 0.00% - 0s Cutting planes: Implied bound: 2 Explored 0 nodes (63 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.439535255311e+03, best bound 3.439517822376e+03, gap 0.0005%