Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:35:51 2012 Optimize a model with 36095 rows, 37056 columns and 144382 nonzeros Presolve removed 412 rows and 4994 columns Presolve time: 0.95s Presolved: 35683 rows, 32062 columns, 138058 nonzeros Variable types: 0 continuous, 32062 integer (32062 binary) Found heuristic solution: objective 192.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 27722 3.0000724e+00 3.971981e+01 0.000000e+00 5s 31280 3.0000000e+00 0.000000e+00 0.000000e+00 8s Root relaxation: objective 3.000000e+00, 31280 iterations, 7.76 seconds Total elapsed time = 24.78s Total elapsed time = 25.11s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 91 192.00000 3.00000 98.4% - 26s H 0 0 3.0000000 3.00000 0.0% - 26s Explored 0 nodes (71266 simplex iterations) in 26.43 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%