Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:12:04 2012 Optimize a model with 37013 rows, 34782 columns and 144892 nonzeros Presolve removed 746 rows and 2 columns Presolve time: 0.87s Presolved: 36453 rows, 34780 columns, 177238 nonzeros Variable types: 0 continuous, 34780 integer (34780 binary) Found heuristic solution: objective 186.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19893 3.0000754e+00 5.229545e+01 0.000000e+00 5s 21399 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 21399 iterations, 6.38 seconds Total elapsed time = 23.49s Total elapsed time = 25.53s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 576 186.00000 3.00000 98.4% - 30s H 0 0 3.0000000 3.00000 0.0% - 30s Explored 0 nodes (88001 simplex iterations) in 30.99 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%