Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:38:56 2013 Optimize a model with 85744 rows, 84824 columns and 338744 nonzeros Presolve removed 92 rows and 0 columns Presolve time: 0.42s Presolved: 85652 rows, 84824 columns, 338652 nonzeros Variable types: 84732 continuous, 92 integer (92 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9174 8.0697789e+04 6.954241e+04 0.000000e+00 5s 11166 8.1801918e+04 1.293099e+04 0.000000e+00 10s 11936 8.1871519e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 8.187152e+04, 11936 iterations, 12.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 81871.5190 0 64 - 81871.5190 - - 13s H 0 0 141810.00000 81871.5190 42.3% - 22s H 0 0 122673.00000 81871.5190 33.3% - 56s 0 0 100025.752 0 24 122673.000 100025.752 18.5% - 77s 0 0 106926.500 0 14 122673.000 106926.500 12.8% - 86s 0 0 109614.783 0 6 122673.000 109614.783 10.6% - 91s H 0 0 119180.22925 109614.783 8.03% - 91s H 0 0 117145.00000 109614.783 6.43% - 91s 0 0 109895.564 0 4 117145.000 109895.564 6.19% - 93s 0 0 110018.885 0 1 117145.000 110018.885 6.08% - 95s H 0 0 112977.46154 110018.885 2.62% - 95s H 0 0 111868.00000 110018.885 1.65% - 95s 0 2 110019.053 0 1 111868.000 110019.053 1.65% - 96s H 2 2 111433.89831 110078.268 1.22% 150 97s H 5 3 110179.00000 110088.400 0.08% 200 98s 17 2 110154.500 17 1 110179.000 110104.500 0.07% 119 100s * 25 1 8 110158.00000 110158.000 0.0% 97.4 100s Cutting planes: Gomory: 1 Implied bound: 91 Explored 26 nodes (33346 simplex iterations) in 100.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.101580000000e+05, best bound 1.101580000000e+05, gap 0.0%