Gurobi 5.0.1 (linux64) logging started Wed Dec 5 01:03:41 2012 Optimize a model with 1002002 rows, 1002001 columns and 5002000 nonzeros Presolve removed 0 rows and 1 columns (presolve time = 9s) ... Presolve removed 0 rows and 1 columns (presolve time = 11s) ... Presolve removed 0 rows and 1 columns (presolve time = 15s) ... Presolve removed 0 rows and 1 columns (presolve time = 21s) ... Presolve removed 0 rows and 1 columns (presolve time = 26s) ... Presolve removed 0 rows and 1 columns (presolve time = 32s) ... Presolve removed 0 rows and 1 columns (presolve time = 36s) ... Presolve removed 0 rows and 1 columns (presolve time = 40s) ... Presolve removed 0 rows and 1 columns (presolve time = 46s) ... Presolve removed 0 rows and 1 columns (presolve time = 51s) ... Presolve removed 0 rows and 1 columns (presolve time = 57s) ... Presolve removed 0 rows and 1 columns (presolve time = 61s) ... Presolve removed 0 rows and 1 columns (presolve time = 65s) ... Presolve removed 0 rows and 1 columns (presolve time = 71s) ... Presolve removed 0 rows and 1 columns (presolve time = 77s) ... Presolve removed 0 rows and 1 columns (presolve time = 80s) ... Presolve removed 0 rows and 1 columns Presolve time: 85.38s Presolved: 1002002 rows, 1002000 columns, 5001000 nonzeros Variable types: 1000 continuous, 1001000 integer (1001000 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 3355 1.2195640e+06 1.852430e+04 0.000000e+00 5s 5748 1.2329060e+06 3.909229e+02 0.000000e+00 12s 6450 1.2348830e+06 1.746413e+04 0.000000e+00 15s 7939 1.2385500e+06 2.340605e+03 0.000000e+00 25s 8535 1.2390480e+06 6.128987e+03 0.000000e+00 29s 9037 1.2396180e+06 3.262097e+04 0.000000e+00 33s 9539 1.2408290e+06 2.555013e+04 0.000000e+00 39s 10041 1.2413500e+06 1.255950e+04 0.000000e+00 45s 10543 1.2416940e+06 2.866782e+04 0.000000e+00 53s 11045 1.2418670e+06 7.172540e+04 0.000000e+00 61s 11547 1.2421570e+06 2.148807e+03 0.000000e+00 69s 11886 1.2421830e+06 0.000000e+00 0.000000e+00 76s Root relaxation: objective 1.242183e+06, 11886 iterations, 76.33 seconds Total elapsed time = 199.32s Total elapsed time = 216.95s Total elapsed time = 228.24s Total elapsed time = 242.09s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1242183.00 0 8 - 1242183.00 - - 255s H 0 0 1242184.0000 1242183.00 0.00% - 601s Explored 0 nodes (24857 simplex iterations) in 601.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.242184000000e+06, best bound 1.242183000000e+06, gap 0.0001%