Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:32:07 2013 Optimize a model with 63358 rows, 62568 columns and 249798 nonzeros Presolve removed 79 rows and 0 columns Presolve time: 0.29s Presolved: 63279 rows, 62568 columns, 249719 nonzeros Variable types: 62489 continuous, 79 integer (79 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8068 6.9347779e+04 1.143272e+04 0.000000e+00 5s 9210 6.9645818e+04 0.000000e+00 0.000000e+00 8s Root relaxation: objective 6.964582e+04, 9210 iterations, 7.83 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 69645.8183 0 59 - 69645.8183 - - 8s H 0 0 120888.00000 69645.8183 42.4% - 12s 0 0 87552.9618 0 19 120888.000 87552.9618 27.6% - 28s H 0 0 107194.00000 87552.9618 18.3% - 28s 0 0 92036.5547 0 8 107194.000 92036.5547 14.1% - 31s H 0 0 102808.75312 92036.5547 10.5% - 31s H 0 0 99473.000000 92036.5547 7.48% - 31s 0 0 92990.9593 0 4 99473.0000 92990.9593 6.52% - 33s H 0 0 99465.000000 92990.9593 6.51% - 33s 0 0 93007.1050 0 3 99465.0000 93007.1050 6.49% - 33s H 0 0 95303.032017 93007.1050 2.41% - 33s H 0 0 95071.000000 93007.1050 2.17% - 33s H 0 0 93861.000000 93007.1050 0.91% - 34s 0 2 93019.0711 0 3 93861.0000 93019.0711 0.90% - 36s H 1 1 93554.570662 93019.0711 0.57% 0.0 36s 21 7 93412.0000 20 1 93554.5707 93076.0233 0.51% 159 40s H 27 3 93432.000000 93076.0233 0.38% 150 40s * 48 1 6 93218.000000 93217.2127 0.00% 180 43s Cutting planes: Implied bound: 78 Explored 49 nodes (30327 simplex iterations) in 43.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.321800000000e+04, best bound 9.321721265813e+04, gap 0.0008%