Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:28:50 2013 Optimize a model with 869 rows, 62489 columns and 124899 nonzeros Presolve time: 0.09s Presolved: 869 rows, 62489 columns, 124899 nonzeros Variable types: 62410 continuous, 79 integer (79 binary) Root relaxation: objective 9.265993e+04, 2596 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 92659.9345 0 9 - 92659.9345 - - 0s H 0 0 102862.00000 92659.9345 9.92% - 0s 0 0 92971.5585 0 7 102862.000 92971.5585 9.62% - 0s 0 0 93002.4126 0 5 102862.000 93002.4126 9.59% - 0s H 0 0 100409.58849 93002.4126 7.38% - 0s H 0 0 99437.000000 93002.4126 6.47% - 0s 0 0 93005.8527 0 4 99437.0000 93005.8527 6.47% - 0s H 0 0 99282.000000 93005.8527 6.32% - 0s 0 0 93005.8527 0 4 99282.0000 93005.8527 6.32% - 0s H 0 0 99206.000000 93005.8527 6.25% - 0s 0 0 93006.2836 0 4 99206.0000 93006.2836 6.25% - 1s H 0 0 97948.193978 93006.2836 5.05% - 1s H 0 0 97558.000000 93006.2836 4.67% - 1s 0 0 93006.2836 0 4 97558.0000 93006.2836 4.67% - 1s H 0 0 97486.000000 93006.2836 4.60% - 1s H 0 0 93351.000000 93006.2836 0.37% - 1s 0 0 93006.2836 0 9 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 7 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 5 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 4 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 4 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 4 93351.0000 93006.2836 0.37% - 1s 0 0 93006.2836 0 4 93351.0000 93006.2836 0.37% - 2s 0 2 93013.1826 0 4 93351.0000 93013.1826 0.36% - 2s * 7 3 6 93218.000000 93074.9556 0.15% 69.6 2s Cutting planes: Implied bound: 96 Flow cover: 5 Explored 21 nodes (6401 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.321800000000e+04, best bound 9.321800000000e+04, gap 0.0%