Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:07 2013 Optimize a model with 17302 rows, 16892 columns and 67322 nonzeros Presolve removed 41 rows and 0 columns Presolve time: 0.07s Presolved: 17261 rows, 16892 columns, 67281 nonzeros Variable types: 16851 continuous, 41 integer (41 binary) Root relaxation: objective 3.540513e+04, 2288 iterations, 0.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35405.1333 0 36 - 35405.1333 - - 0s H 0 0 42537.000000 35405.1333 16.8% - 0s 0 0 40066.9588 0 2 42537.0000 40066.9588 5.81% - 1s H 0 0 40234.529412 40066.9588 0.42% - 1s H 0 0 40157.000000 40066.9588 0.22% - 1s H 0 0 40139.000000 40066.9588 0.18% - 1s 0 0 40080.8500 0 3 40139.0000 40080.8500 0.14% - 1s 0 0 40106.2818 0 2 40139.0000 40106.2818 0.08% - 1s 0 0 40106.2818 0 2 40139.0000 40106.2818 0.08% - 1s H 0 0 40120.000000 40106.2818 0.03% - 1s 0 0 40120.0000 0 1 40120.0000 40120.0000 0.0% - 1s Cutting planes: Implied bound: 34 Explored 1 nodes (3537 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.012000000000e+04, best bound 4.012000000000e+04, gap 0.0%