Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:29:03 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 9.245470e+04, 2228 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 92454.6968 0 11 - 92454.6968 - - 0s H 0 0 108062.00000 92454.6968 14.4% - 0s 0 0 92931.7925 0 9 108062.000 92931.7925 14.0% - 0s H 0 0 104716.00000 92931.7925 11.3% - 0s 0 0 93005.0618 0 8 104716.000 93005.0618 11.2% - 0s H 0 0 103138.00000 93005.0618 9.82% - 0s 0 0 93028.3163 0 9 103138.000 93028.3163 9.80% - 0s 0 0 93039.3411 0 6 103138.000 93039.3411 9.79% - 0s H 0 0 102121.44197 93039.3411 8.89% - 0s H 0 0 101099.00000 93039.3411 7.97% - 0s 0 0 93043.6929 0 5 101099.000 93043.6929 7.97% - 1s H 0 0 98273.000000 93043.6929 5.32% - 1s 0 0 93043.6929 0 5 98273.0000 93043.6929 5.32% - 1s 0 0 93043.6929 0 5 98273.0000 93043.6929 5.32% - 1s H 0 0 98235.000000 93043.6929 5.28% - 1s 0 0 93043.6929 0 5 98235.0000 93043.6929 5.28% - 1s 0 2 93048.1534 0 5 98235.0000 93048.1534 5.28% - 1s H 11 11 95433.455796 93305.4806 2.23% 104 2s * 12 11 9 93639.000000 93305.4806 0.36% 102 2s H 16 4 93541.196078 93325.2692 0.23% 81.1 2s H 21 7 93487.000000 93325.2692 0.17% 67.3 2s * 29 13 15 93454.000000 93325.2692 0.14% 54.5 2s * 44 0 9 93405.000000 93405.0000 0.0% 45.3 2s Cutting planes: Implied bound: 150 Flow cover: 10 Explored 45 nodes (4690 simplex iterations) in 2.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.340500000000e+04, best bound 9.340500000000e+04, gap 0.0%