Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:56:13 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 7618 7.1153152e+04 1.447323e+05 0.000000e+00 5s 9491 7.1958124e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.195812e+04, 9491 iterations, 9.50 seconds Total elapsed time = 10.23s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 71958.1239 0 62 - 71958.1239 - - 10s H 0 0 117987.00000 71958.1239 39.0% - 15s H 0 0 97962.000000 71958.1239 26.5% - 65s 0 0 86538.8137 0 23 97962.0000 86538.8137 11.7% - 79s H 0 0 97741.000000 86538.8137 11.5% - 82s 0 0 89597.8923 0 10 97741.0000 89597.8923 8.33% - 87s 0 0 92863.1699 0 10 97741.0000 92863.1699 4.99% - 90s 0 0 93249.4803 0 4 97741.0000 93249.4803 4.60% - 91s H 0 0 95920.180912 93249.4803 2.78% - 91s H 0 0 95181.000000 93249.4803 2.03% - 91s 0 2 93250.2051 0 4 95181.0000 93250.2051 2.03% - 93s H 2 2 93809.967852 93356.5304 0.48% 252 94s * 5 5 5 93484.000000 93382.1388 0.11% 266 94s 7 3 cutoff 3 93484.0000 93382.1388 0.11% 214 95s Cutting planes: Implied bound: 84 Explored 11 nodes (24588 simplex iterations) in 95.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.348400000000e+04, best bound 9.348400000000e+04, gap 0.0%