Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:55:47 2013 Optimize a model with 122320 rows, 121220 columns and 484220 nonzeros Presolve removed 110 rows and 0 columns Presolve time: 0.65s Presolved: 122210 rows, 121220 columns, 484110 nonzeros Variable types: 121110 continuous, 110 integer (110 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 11274 9.5798651e+04 6.329700e+05 0.000000e+00 5s 12834 9.7616074e+04 2.926592e+05 0.000000e+00 11s 14004 9.8477672e+04 2.327721e+05 0.000000e+00 15s 15174 9.9105243e+04 5.021714e+04 0.000000e+00 20s 16344 9.9531829e+04 8.288261e+04 0.000000e+00 25s 17514 9.9678153e+04 1.242708e+04 0.000000e+00 30s 18144 9.9707232e+04 0.000000e+00 0.000000e+00 33s Root relaxation: objective 9.970723e+04, 18144 iterations, 33.35 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 99707.2320 0 72 - 99707.2320 - - 34s H 0 0 193743.00000 99707.2320 48.5% - 54s H 0 0 162352.00000 99707.2320 38.6% - 233s 0 0 130993.194 0 34 162352.000 130993.194 19.3% - 296s Cutting planes: Implied bound: 71 Explored 0 nodes (35354 simplex iterations) in 300.00 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 1.623520000000e+05, best bound 1.309931939469e+05, gap 19.3153%