current theta: 0.558944990002 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 540 rows and 540 columns Presolve time: 0.01s Presolved: 721 rows, 755 columns, 2125 nonzeros Variable types: 0 continuous, 755 integer (755 binary) Root relaxation: objective 0.000000e+00, 166 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (166 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [17, 22, 33, 34] edges [(11, 22), (29, 17), (7, 34), (21, 33), (17, 17), (8, 33), (28, 34), (30, 34), (10, 22), (25, 22), (16, 22), (12, 34), (27, 22), (4, 22), (15, 22), (19, 33), (1, 34), (32, 33), (14, 33), (18, 33), (5, 33), (33, 33), (24, 22), (6, 33), (20, 34), (23, 33), (22, 22), (2, 22), (31, 22), (26, 33), (3, 33), (13, 22), (0, 34), (34, 34), (9, 22)] current theta: 0.279472495001 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 998 rows and 998 columns Presolve time: 0.00s Presolved: 263 rows, 297 columns, 751 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 297 integer (297 binary) Root relaxation: cutoff, 260 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (260 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.419208742502 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 800 rows and 800 columns Presolve time: 0.00s Presolved: 461 rows, 495 columns, 1345 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 495 integer (495 binary) Root relaxation: objective 0.000000e+00, 310 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (310 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [12, 31, 32, 33] edges [(21, 33), (8, 33), (25, 31), (26, 32), (10, 32), (22, 32), (34, 31), (17, 32), (16, 32), (9, 33), (30, 32), (13, 33), (19, 33), (24, 32), (2, 32), (14, 33), (4, 31), (28, 12), (27, 33), (29, 32), (18, 33), (5, 33), (33, 33), (6, 33), (23, 33), (12, 12), (1, 12), (32, 32), (31, 31), (11, 31), (3, 33), (7, 31), (15, 32), (20, 12), (0, 12)] current theta: 0.349340618751 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 930 rows and 930 columns Presolve time: 0.00s Presolved: 331 rows, 365 columns, 955 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 365 integer (365 binary) Root relaxation: cutoff, 310 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (310 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.384274680627 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 880 rows and 880 columns Presolve time: 0.00s Presolved: 381 rows, 415 columns, 1105 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 415 integer (415 binary) Root relaxation: objective 0.000000e+00, 354 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (354 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [16, 28, 32, 33] edges [(13, 32), (30, 16), (25, 16), (21, 33), (20, 28), (0, 28), (5, 32), (11, 28), (7, 28), (1, 16), (10, 32), (22, 32), (17, 32), (9, 33), (19, 33), (24, 32), (12, 28), (4, 16), (2, 32), (14, 33), (27, 33), (29, 32), (18, 33), (33, 33), (8, 32), (6, 33), (23, 33), (28, 28), (32, 32), (16, 16), (26, 33), (3, 33), (15, 32), (31, 16), (34, 28)] current theta: 0.366807649689 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 914 rows and 914 columns Presolve time: 0.00s Presolved: 347 rows, 381 columns, 1003 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 381 integer (381 binary) Root relaxation: cutoff, 350 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (350 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.375541165158 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 902 rows and 902 columns Presolve time: 0.00s Presolved: 359 rows, 393 columns, 1039 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 393 integer (393 binary) Root relaxation: objective 0.000000e+00, 376 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (376 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [1, 10, 21, 26] edges [(28, 1), (15, 10), (14, 26), (17, 10), (20, 1), (6, 21), (34, 1), (11, 1), (26, 21), (2, 10), (12, 1), (25, 1), (10, 10), (3, 21), (32, 10), (9, 1), (1, 1), (4, 10), (27, 21), (13, 26), (31, 1), (23, 21), (29, 10), (16, 1), (19, 21), (8, 26), (33, 21), (24, 10), (0, 1), (21, 21), (22, 26), (18, 26), (30, 1), (7, 1), (5, 26)] current theta: 0.371174407423 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 908 rows and 908 columns Presolve time: 0.00s Presolved: 353 rows, 387 columns, 1021 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 387 integer (387 binary) Root relaxation: cutoff, 386 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (386 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.373357786291 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 902 rows and 902 columns Presolve time: 0.00s Presolved: 359 rows, 393 columns, 1039 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 393 integer (393 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [1, 10, 21, 26] edges [(28, 1), (15, 10), (14, 26), (17, 10), (20, 1), (6, 21), (34, 1), (11, 1), (26, 21), (2, 10), (12, 1), (25, 1), (10, 10), (3, 21), (32, 10), (9, 1), (1, 1), (4, 10), (27, 21), (13, 26), (31, 1), (23, 21), (29, 10), (16, 1), (19, 21), (8, 26), (33, 21), (24, 10), (0, 1), (21, 21), (22, 26), (18, 26), (30, 1), (7, 1), (5, 26)] current theta: 0.372266096857 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 904 rows and 904 columns Presolve time: 0.00s Presolved: 357 rows, 391 columns, 1033 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 391 integer (391 binary) Root relaxation: objective 0.000000e+00, 341 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (341 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [1, 10, 26, 27] edges [(28, 1), (15, 10), (19, 27), (14, 26), (17, 10), (20, 1), (33, 26), (34, 1), (2, 10), (25, 1), (10, 10), (32, 10), (26, 26), (3, 26), (23, 27), (11, 27), (1, 1), (4, 10), (6, 26), (12, 27), (13, 26), (31, 1), (21, 27), (29, 10), (16, 1), (8, 26), (9, 27), (24, 10), (0, 1), (27, 27), (22, 26), (18, 26), (30, 1), (7, 1), (5, 26)] current theta: 0.37172025214 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 908 rows and 908 columns Presolve time: 0.00s Presolved: 353 rows, 387 columns, 1021 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 387 integer (387 binary) Root relaxation: cutoff, 386 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (386 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.371993174499 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 906 rows and 906 columns Presolve time: 0.00s Presolved: 355 rows, 389 columns, 1027 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 389 integer (389 binary) Root relaxation: cutoff, 331 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (331 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.372129635678 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 904 rows and 904 columns Presolve time: 0.00s Presolved: 357 rows, 391 columns, 1033 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 391 integer (391 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [1, 10, 26, 27] edges [(28, 1), (15, 10), (19, 27), (14, 26), (17, 10), (20, 1), (33, 26), (34, 1), (2, 10), (25, 1), (10, 10), (32, 10), (26, 26), (3, 26), (23, 27), (11, 27), (1, 1), (4, 10), (6, 26), (12, 27), (13, 26), (31, 1), (21, 27), (29, 10), (16, 1), (8, 26), (9, 27), (24, 10), (0, 1), (27, 27), (22, 26), (18, 26), (30, 1), (7, 1), (5, 26)] current theta: 0.372061405088 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:52 2012 Optimize a model with 1261 rows, 1295 columns and 3745 nonzeros Presolve removed 906 rows and 906 columns Presolve time: 0.00s Presolved: 355 rows, 389 columns, 1027 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 389 integer (389 binary) Root relaxation: cutoff, 331 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (331 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap -