Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:07:26 2013 Optimize a model with 68224 rows, 67404 columns and 269124 nonzeros Presolve removed 82 rows and 0 columns Presolve time: 0.31s Presolved: 68142 rows, 67404 columns, 269042 nonzeros Variable types: 67322 continuous, 82 integer (82 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8506 7.8349632e+04 6.409208e+04 0.000000e+00 5s 10456 7.9759970e+04 2.312420e+04 0.000000e+00 10s 11379 7.9990640e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 7.999064e+04, 11379 iterations, 12.27 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 79990.6400 0 66 - 79990.6400 - - 12s H 0 0 142865.00000 79990.6400 44.0% - 20s 0 0 111235.999 0 16 142865.000 111235.999 22.1% - 34s H 0 0 140216.22749 111235.999 20.7% - 34s H 0 0 127483.00000 111235.999 12.7% - 35s 0 0 116216.734 0 5 127483.000 116216.734 8.84% - 38s H 0 0 120964.77178 116216.734 3.93% - 38s H 0 0 119888.00000 116216.734 3.06% - 38s 0 0 116930.377 0 2 119888.000 116930.377 2.47% - 39s H 0 0 118716.01887 116930.377 1.50% - 39s H 0 0 117957.00000 116930.377 0.87% - 39s 0 0 117209.196 0 4 117957.000 117209.196 0.63% - 40s 0 0 117223.910 0 4 117957.000 117223.910 0.62% - 40s 0 0 117230.752 0 2 117957.000 117230.752 0.62% - 40s H 0 0 117820.00000 117230.752 0.50% - 41s 0 2 117242.486 0 2 117820.000 117242.486 0.49% - 42s H 3 3 117677.00000 117343.131 0.28% 174 42s H 9 4 117477.83333 117360.534 0.10% 110 43s * 11 4 11 117453.00000 117360.534 0.08% 103 43s Cutting planes: Implied bound: 81 Explored 23 nodes (29358 simplex iterations) in 44.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.174530000000e+05, best bound 1.174517530864e+05, gap 0.0011%