Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:52:20 2012 Optimize a model with 45268 rows, 41412 columns and 176202 nonzeros Presolve removed 408 rows and 2 columns Presolve time: 1.11s Presolved: 45063 rows, 41410 columns, 215954 nonzeros Variable types: 0 continuous, 41410 integer (41410 binary) Found heuristic solution: objective 203.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 33457 3.0000854e+00 5.890018e+01 0.000000e+00 5s 39207 3.0000918e+00 1.213318e+01 0.000000e+00 10s 44082 3.0000969e+00 1.915823e+01 0.000000e+00 15s 44916 3.0000000e+00 0.000000e+00 0.000000e+00 16s Root relaxation: objective 3.000000e+00, 44916 iterations, 15.93 seconds Total elapsed time = 32.00s Total elapsed time = 40.55s 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% - 43s Explored 0 nodes (117528 simplex iterations) in 43.35 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%