Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:00 2013 Optimize a model with 12670 rows, 12320 columns and 49070 nonzeros Presolve removed 35 rows and 0 columns Presolve time: 0.05s Presolved: 12635 rows, 12320 columns, 49035 nonzeros Variable types: 12285 continuous, 35 integer (35 binary) Root relaxation: objective 3.300372e+04, 1902 iterations, 0.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33003.7209 0 26 - 33003.7209 - - 0s H 0 0 38687.000000 33003.7209 14.7% - 0s 0 0 37224.6789 0 5 38687.0000 37224.6789 3.78% - 0s H 0 0 38324.733801 37224.6789 2.87% - 0s H 0 0 37386.000000 37224.6789 0.43% - 0s H 0 0 37297.000000 37224.6789 0.19% - 0s 0 0 37236.4989 0 2 37297.0000 37236.4989 0.16% - 0s 0 0 37236.4989 0 2 37297.0000 37236.4989 0.16% - 0s 0 2 37236.9429 0 2 37297.0000 37236.9429 0.16% - 0s * 3 3 3 37264.000000 37262.0000 0.01% 24.0 1s Cutting planes: Gomory: 1 Implied bound: 27 Explored 4 nodes (2782 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.726400000000e+04, best bound 3.726200000000e+04, gap 0.0054%