Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:57:14 2013 Optimize a model with 1023 rows, 86583 columns and 173073 nonzeros Presolve time: 0.15s Presolved: 1023 rows, 86583 columns, 173073 nonzeros Variable types: 86490 continuous, 93 integer (93 binary) Root relaxation: objective 1.196842e+05, 2672 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 119684.215 0 13 - 119684.215 - - 0s H 0 0 135836.00000 119684.215 11.9% - 0s 0 0 120268.613 0 10 135836.000 120268.613 11.5% - 0s H 0 0 130983.00000 120268.613 8.18% - 0s 0 0 120391.488 0 9 130983.000 120391.488 8.09% - 0s H 0 0 130655.00000 120391.488 7.86% - 1s 0 0 120476.825 0 8 130655.000 120476.825 7.79% - 1s H 0 0 128093.00000 120476.825 5.95% - 1s 0 0 120483.689 0 7 128093.000 120483.689 5.94% - 1s 0 0 120488.567 0 6 128093.000 120488.567 5.94% - 1s H 0 0 127114.00000 120488.567 5.21% - 1s 0 0 120490.513 0 6 127114.000 120490.513 5.21% - 1s H 0 0 127074.00000 120490.513 5.18% - 1s 0 0 120490.513 0 6 127074.000 120490.513 5.18% - 1s 0 0 120490.513 0 6 127074.000 120490.513 5.18% - 2s H 0 0 120963.00000 120490.513 0.39% - 2s 0 0 120490.513 0 13 120963.000 120490.513 0.39% - 2s 0 0 120490.513 0 10 120963.000 120490.513 0.39% - 2s 0 0 120490.513 0 9 120963.000 120490.513 0.39% - 3s 0 0 120490.513 0 10 120963.000 120490.513 0.39% - 3s 0 0 120490.513 0 7 120963.000 120490.513 0.39% - 3s 0 0 120490.513 0 6 120963.000 120490.513 0.39% - 3s 0 0 120490.513 0 6 120963.000 120490.513 0.39% - 3s 0 0 120490.513 0 6 120963.000 120490.513 0.39% - 3s 0 2 120498.835 0 6 120963.000 120498.835 0.38% - 4s * 16 8 13 120949.00000 120615.581 0.28% 65.2 4s * 26 4 8 120776.00000 120734.466 0.03% 56.5 4s * 33 5 10 120764.00000 120734.466 0.02% 53.2 4s 40 3 cutoff 9 120764.000 120745.559 0.02% 48.3 5s * 42 2 9 120763.00000 120745.559 0.01% 47.8 5s Cutting planes: Implied bound: 175 Flow cover: 14 Explored 44 nodes (7916 simplex iterations) in 5.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.207630000000e+05, best bound 1.207513876930e+05, gap 0.0096%