Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:17:55 2013 Optimize a model with 1001 rows, 82901 columns and 165711 nonzeros Presolve time: 0.14s Presolved: 1001 rows, 82901 columns, 165711 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.245375e+05, 3271 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124537.521 0 8 - 124537.521 - - 0s H 0 0 134217.00000 124537.521 7.21% - 0s 0 0 124948.645 0 6 134217.000 124948.645 6.91% - 0s H 0 0 134045.74431 124948.645 6.79% - 0s H 0 0 133421.00000 124948.645 6.35% - 0s 0 0 124984.747 0 3 133421.000 124984.747 6.32% - 0s H 0 0 127080.07383 124984.747 1.65% - 1s H 0 0 126647.00000 124984.747 1.31% - 1s 0 0 124986.073 0 5 126647.000 124986.073 1.31% - 1s 0 0 124988.637 0 3 126647.000 124988.637 1.31% - 1s 0 0 124990.769 0 4 126647.000 124990.769 1.31% - 1s H 0 0 126608.00000 124990.769 1.28% - 1s 0 0 124991.112 0 3 126608.000 124991.112 1.28% - 1s 0 0 124991.112 0 8 126608.000 124991.112 1.28% - 2s H 0 0 126373.00000 124991.112 1.09% - 2s 0 0 124991.112 0 6 126373.000 124991.112 1.09% - 2s 0 0 124991.112 0 4 126373.000 124991.112 1.09% - 2s 0 0 124991.112 0 4 126373.000 124991.112 1.09% - 2s 0 0 124991.112 0 3 126373.000 124991.112 1.09% - 2s 0 2 124996.113 0 3 126373.000 124996.113 1.09% - 3s H 6 6 125643.50000 125067.567 0.46% 39.3 3s H 7 7 125300.00000 125067.567 0.19% 40.0 3s * 10 6 9 125255.00000 125067.567 0.15% 47.9 3s * 15 5 12 125253.00000 125067.567 0.15% 37.7 3s Cutting planes: Implied bound: 123 Flow cover: 4 Explored 46 nodes (8940 simplex iterations) in 4.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.252530000000e+05, best bound 1.252530000000e+05, gap 0.0%