Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:29:43 2013 Optimize a model with 71568 rows, 70728 columns and 282408 nonzeros Presolve removed 84 rows and 0 columns Presolve time: 0.34s Presolved: 71484 rows, 70728 columns, 282324 nonzeros Variable types: 70644 continuous, 84 integer (84 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8174 7.4473625e+04 1.133616e+06 0.000000e+00 5s 10163 7.5558472e+04 1.834788e+04 0.000000e+00 10s Warning: Markowitz tolerance tightened to 0.03125 10606 7.5599916e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.559992e+04, 10606 iterations, 11.32 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 75599.9162 0 70 - 75599.9162 - - 12s H 0 0 141072.00000 75599.9162 46.4% - 17s 0 0 100122.461 0 19 141072.000 100122.461 29.0% - 35s H 0 0 121991.00000 100122.461 17.9% - 35s 0 0 112460.832 0 7 121991.000 112460.832 7.81% - 40s 0 0 113009.938 0 6 121991.000 113009.938 7.36% - 41s H 0 0 116865.00000 113009.938 3.30% - 42s 0 0 113013.546 0 6 116865.000 113013.546 3.30% - 42s 0 0 113013.546 0 6 116865.000 113013.546 3.30% - 43s H 0 0 115097.00000 113013.546 1.81% - 45s H 0 0 114477.57616 113013.546 1.28% - 45s H 0 0 114094.00000 113013.546 0.95% - 46s 0 2 113021.800 0 6 114094.000 113021.800 0.94% - 47s 10 10 113676.415 7 3 114094.000 113232.620 0.75% 393 50s * 14 10 11 113778.00000 113232.620 0.48% 306 50s 60 27 113425.738 4 4 113778.000 113270.504 0.45% 177 55s H 63 13 113596.00000 113270.504 0.29% 170 55s H 64 13 113572.54930 113270.504 0.27% 168 55s H 73 15 113508.00000 113270.504 0.21% 158 56s H 74 12 113487.87879 113270.504 0.19% 157 56s * 75 10 14 113478.00000 113270.504 0.18% 155 56s Cutting planes: Implied bound: 83 MIR: 2 Explored 95 nodes (38447 simplex iterations) in 57.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.134780000000e+05, best bound 1.134780000000e+05, gap 0.0%