Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:35 2013 Optimize a model with 10624 rows, 10304 columns and 41024 nonzeros Presolve removed 32 rows and 0 columns Presolve time: 0.04s Presolved: 10592 rows, 10304 columns, 40992 nonzeros Variable types: 10272 continuous, 32 integer (32 binary) Root relaxation: objective 3.110102e+04, 1428 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 31101.0167 0 22 - 31101.0167 - - 0s H 0 0 34347.000000 31101.0167 9.45% - 0s 0 0 32854.9695 0 2 34347.0000 32854.9695 4.34% - 0s H 0 0 33609.167939 32854.9695 2.24% - 0s H 0 0 33381.000000 32854.9695 1.58% - 0s H 0 0 32947.000000 32854.9695 0.28% - 0s 0 0 32907.5625 0 1 32947.0000 32907.5625 0.12% - 0s 0 2 32908.0000 0 1 32947.0000 32908.0000 0.12% - 0s * 1 1 1 32944.000000 32942.1792 0.01% 52.0 0s Cutting planes: Gomory: 1 Implied bound: 22 Explored 2 nodes (1992 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.294400000000e+04, best bound 3.294217916667e+04, gap 0.0055%