Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:32:05 2012 Optimize a model with 29755 rows, 30102 columns and 118503 nonzeros Presolve removed 348 rows and 2 columns Presolve time: 0.66s Presolved: 29580 rows, 30100 columns, 147227 nonzeros Variable types: 0 continuous, 30100 integer (30100 binary) Found heuristic solution: objective 173.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 27241 3.0000735e+00 2.785100e+00 0.000000e+00 5s 28972 3.0000000e+00 0.000000e+00 0.000000e+00 6s Root relaxation: objective 3.000000e+00, 28972 iterations, 6.23 seconds Total elapsed time = 16.65s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 32 173.00000 3.00000 98.3% - 17s H 0 0 3.0000000 3.00000 0.0% - 17s Explored 0 nodes (59245 simplex iterations) in 17.27 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%