Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:08:41 2013 Optimize a model with 82080 rows, 81180 columns and 324180 nonzeros Presolve removed 90 rows and 0 columns Presolve time: 0.39s Presolved: 81990 rows, 81180 columns, 324090 nonzeros Variable types: 81090 continuous, 90 integer (90 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7745 7.5417713e+04 1.625238e+04 0.000000e+00 5s 9127 7.5880087e+04 0.000000e+00 0.000000e+00 8s Root relaxation: objective 7.588009e+04, 9127 iterations, 8.34 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 75880.0869 0 57 - 75880.0869 - - 9s H 0 0 118313.00000 75880.0869 35.9% - 14s H 0 0 104979.00000 75880.0869 27.7% - 35s 0 0 91922.9744 0 19 104979.000 91922.9744 12.4% - 50s 0 0 97511.8636 0 9 104979.000 97511.8636 7.11% - 57s H 0 0 104814.00000 97511.8636 6.97% - 57s 0 0 98205.7127 0 5 104814.000 98205.7127 6.30% - 59s 0 0 98338.6464 0 5 104814.000 98338.6464 6.18% - 60s H 0 0 104122.00000 98338.6464 5.55% - 60s 0 0 98413.5030 0 6 104122.000 98413.5030 5.48% - 61s 0 0 98442.6721 0 5 104122.000 98442.6721 5.45% - 62s 0 0 98447.0529 0 5 104122.000 98447.0529 5.45% - 63s 0 0 98448.6715 0 5 104122.000 98448.6715 5.45% - 63s 0 0 98449.0747 0 4 104122.000 98449.0747 5.45% - 63s H 0 0 103527.00000 98449.0747 4.90% - 64s 0 2 98457.1688 0 4 103527.000 98457.1688 4.90% - 65s H 1 1 102364.97714 98457.1688 3.82% 0.0 65s H 5 5 101354.14332 98513.3665 2.80% 179 67s H 7 4 98709.032258 98522.4194 0.19% 163 67s H 8 3 98689.453125 98522.6923 0.17% 146 67s H 9 3 98666.410256 98529.0000 0.14% 135 67s * 11 2 11 98590.000000 98529.0000 0.06% 125 67s Cutting planes: Implied bound: 86 Explored 14 nodes (24190 simplex iterations) in 68.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.859000000000e+04, best bound 9.859000000000e+04, gap 0.0%