Gurobi 5.0.1 (linux64) logging started Mon Feb 4 19:33:04 2013 Optimize a model with 142975 rows, 9025 columns and 433200 nonzeros Presolve removed 26047 rows and 4794 columns Presolve time: 1.79s Presolved: 116928 rows, 4231 columns, 353083 nonzeros Variable types: 25 continuous, 4206 integer (4206 binary) Found heuristic solution: objective 225610.00000 Root relaxation: objective 1.951185e+05, 17456 iterations, 2.74 seconds Total elapsed time = 5.12s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195118.474 0 7 225610.000 195118.474 13.5% - 5s H 0 0 195131.00000 195118.474 0.01% - 5s Explored 0 nodes (17554 simplex iterations) in 5.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.951310000000e+05, best bound 1.951190000000e+05, gap 0.0061%