Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:09:02 2012 Optimize a model with 32189 rows, 34410 columns and 130053 nonzeros Presolve removed 927 rows and 2 columns Presolve time: 0.84s Presolved: 31447 rows, 34408 columns, 161720 nonzeros Variable types: 0 continuous, 34408 integer (34408 binary) Found heuristic solution: objective 185.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 25933 3.0000723e+00 8.738710e+01 0.000000e+00 5s 27224 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 27224 iterations, 6.08 seconds Total elapsed time = 14.05s 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% - 15s Explored 0 nodes (53757 simplex iterations) in 15.22 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%