Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:02:02 2013 Optimize a model with 74992 rows, 74132 columns and 296012 nonzeros Presolve removed 86 rows and 0 columns Presolve time: 0.35s Presolved: 74906 rows, 74132 columns, 295926 nonzeros Variable types: 74046 continuous, 86 integer (86 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8517 7.4074778e+04 1.561799e+04 0.000000e+00 5s 10153 7.4578281e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 7.457828e+04, 10153 iterations, 9.41 seconds Total elapsed time = 10.15s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74578.2809 0 67 - 74578.2809 - - 10s H 0 0 130412.00000 74578.2809 42.8% - 15s 0 0 94822.8042 0 27 130412.000 94822.8042 27.3% - 35s H 0 0 112909.00000 94822.8042 16.0% - 38s H 0 0 111838.00000 94822.8042 15.2% - 41s 0 0 102721.967 0 5 111838.000 102721.967 8.15% - 48s H 0 0 110175.00000 102721.967 6.76% - 48s 0 0 103192.831 0 4 110175.000 103192.831 6.34% - 49s H 0 0 105940.95938 103192.831 2.59% - 49s H 0 0 105629.00000 103192.831 2.31% - 50s H 0 0 103258.00000 103192.831 0.06% - 50s 0 0 103242.213 0 2 103258.000 103242.213 0.02% - 51s 0 0 103244.486 0 1 103258.000 103244.486 0.01% - 51s 0 2 103245.284 0 1 103258.000 103245.284 0.01% - 53s Cutting planes: Gomory: 1 Implied bound: 85 Explored 2 nodes (24063 simplex iterations) in 53.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.032580000000e+05, best bound 1.032499620253e+05, gap 0.0078%