Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:33 2013 Optimize a model with 319 rows, 8439 columns and 16849 nonzeros Presolve time: 0.01s Presolved: 319 rows, 8439 columns, 16849 nonzeros Variable types: 8410 continuous, 29 integer (29 binary) Root relaxation: objective 2.580885e+04, 265 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25808.8460 0 5 - 25808.8460 - - 0s H 0 0 25972.000000 25808.8460 0.63% - 0s 0 0 25958.0887 0 3 25972.0000 25958.0887 0.05% - 0s 0 0 25964.8445 0 5 25972.0000 25964.8445 0.03% - 0s 0 0 25964.8445 0 5 25972.0000 25964.8445 0.03% - 0s 0 0 25964.8445 0 3 25972.0000 25964.8445 0.03% - 0s 0 0 25964.9650 0 5 25972.0000 25964.9650 0.03% - 0s 0 0 25968.9986 0 2 25972.0000 25968.9986 0.01% - 0s 0 0 25969.0909 0 1 25972.0000 25969.0909 0.01% - 0s H 0 0 25971.000000 25969.0909 0.01% - 0s Cutting planes: Implied bound: 30 Explored 0 nodes (645 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.597100000000e+04, best bound 2.596909090909e+04, gap 0.0074%