Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:39:51 2013 Optimize a model with 64960 rows, 64160 columns and 256160 nonzeros Presolve removed 80 rows and 0 columns Presolve time: 0.30s Presolved: 64880 rows, 64160 columns, 256080 nonzeros Variable types: 64080 continuous, 80 integer (80 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7518 6.6524234e+04 3.137815e+04 0.000000e+00 5s 8429 6.6788518e+04 0.000000e+00 0.000000e+00 7s Root relaxation: objective 6.678852e+04, 8429 iterations, 7.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 66788.5181 0 63 - 66788.5181 - - 7s H 0 0 113291.00000 66788.5181 41.0% - 12s 0 0 83859.4479 0 17 113291.000 83859.4479 26.0% - 25s H 0 0 107599.00000 83859.4479 22.1% - 26s 0 0 92062.8203 0 4 107599.000 92062.8203 14.4% - 31s H 0 0 105418.90320 92062.8203 12.7% - 31s H 0 0 99772.000000 92062.8203 7.73% - 31s 0 0 93723.0370 0 3 99772.0000 93723.0370 6.06% - 32s H 0 0 99185.974306 93723.0370 5.51% - 32s H 0 0 98509.000000 93723.0370 4.86% - 32s 0 0 93848.7061 0 3 98509.0000 93848.7061 4.73% - 33s H 0 0 98237.000000 93848.7061 4.47% - 33s H 0 0 94661.000000 93848.7061 0.86% - 33s 0 2 93856.4738 0 3 94661.0000 93856.4738 0.85% - 36s H 15 9 94549.571429 94035.4598 0.54% 259 39s H 17 10 94543.000000 94035.4598 0.54% 232 39s * 21 10 17 94534.000000 94035.4598 0.53% 211 39s 24 13 94056.9851 4 1 94534.0000 94054.2244 0.51% 193 40s * 67 35 21 94421.000000 94056.2816 0.39% 119 43s 97 44 94329.9459 7 1 94421.0000 94088.9495 0.35% 110 45s * 102 27 13 94373.000000 94134.3017 0.25% 106 45s * 118 23 6 94354.000000 94163.2692 0.20% 104 46s Cutting planes: Implied bound: 79 Explored 146 nodes (34381 simplex iterations) in 47.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.435400000000e+04, best bound 9.435400000000e+04, gap 0.0%