Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:41:27 2012 Optimize a model with 38020 rows, 37442 columns and 150538 nonzeros Presolve removed 1568 rows and 4248 columns Presolve time: 0.93s Presolved: 36452 rows, 33194 columns, 142054 nonzeros Variable types: 0 continuous, 33194 integer (33194 binary) Found heuristic solution: objective 193.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 23116 3.0000717e+00 2.298153e+01 0.000000e+00 5s 25269 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 25269 iterations, 6.30 seconds Total elapsed time = 24.21s Total elapsed time = 25.66s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 27s Explored 0 nodes (82004 simplex iterations) in 27.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%