current theta: 0.678182983898 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:40 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 998 rows and 998 columns Presolve time: 0.02s Presolved: 1453 rows, 1501 columns, 4307 nonzeros Variable types: 0 continuous, 1501 integer (1501 binary) Root relaxation: objective 0.000000e+00, 261 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 (474 simplex iterations) in 0.03 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 [29, 30, 46, 47, 48] edges [(15, 30), (22, 30), (14, 48), (34, 48), (35, 47), (32, 48), (9, 30), (40, 30), (8, 46), (45, 46), (41, 29), (17, 29), (11, 48), (20, 47), (1, 46), (5, 46), (25, 29), (27, 47), (10, 46), (6, 29), (0, 46), (33, 46), (44, 29), (4, 46), (46, 29), (19, 30), (36, 29), (2, 30), (39, 47), (37, 30), (28, 48), (47, 48), (24, 48), (7, 48), (13, 29), (12, 47), (29, 29), (30, 47), (42, 29), (18, 29), (43, 29), (16, 48), (31, 30), (21, 29), (38, 30), (26, 29), (48, 48), (3, 47), (23, 48)] current theta: 0.339091491949 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:40 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1826 rows and 1826 columns Presolve time: 0.01s Presolved: 625 rows, 673 columns, 1823 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 673 integer (673 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 [10, 23, 24, 27, 36] edges [(28, 23), (35, 10), (5, 27), (6, 36), (20, 24), (36, 36), (44, 36), (7, 24), (21, 36), (29, 36), (17, 36), (42, 36), (47, 24), (33, 10), (2, 27), (31, 27), (40, 24), (34, 24), (10, 10), (11, 23), (32, 24), (48, 23), (25, 36), (15, 27), (24, 24), (0, 24), (46, 36), (4, 27), (1, 27), (18, 36), (30, 27), (38, 24), (22, 27), (45, 36), (19, 10), (39, 10), (27, 27), (3, 27), (16, 36), (26, 36), (43, 36), (14, 24), (9, 24), (41, 36), (13, 36), (23, 23), (12, 24), (8, 10), (37, 27)] current theta: 0.169545745975 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:40 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 2198 rows and 2200 columns Presolve time: 0.00s Presolved: 253 rows, 299 columns, 711 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 299 integer (298 binary) Root relaxation: cutoff, 288 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 (288 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: 0.254318618962 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:40 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 2020 rows and 2020 columns Presolve time: 0.00s Presolved: 431 rows, 479 columns, 1241 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 479 integer (479 binary) Root relaxation: cutoff, 484 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 (484 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: 0.296705055456 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:40 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1920 rows and 1920 columns Presolve time: 0.01s Presolved: 531 rows, 579 columns, 1541 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: objective 0.000000e+00, 515 iterations, 0.01 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 (515 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 [11, 21, 24, 35, 37] edges [(16, 11), (23, 11), (20, 24), (4, 37), (7, 24), (28, 11), (25, 21), (47, 24), (27, 37), (40, 24), (46, 21), (34, 24), (5, 37), (17, 21), (36, 21), (15, 35), (35, 35), (39, 37), (24, 24), (0, 24), (37, 37), (2, 35), (32, 11), (3, 37), (8, 35), (38, 24), (44, 21), (41, 11), (42, 21), (21, 21), (1, 35), (22, 24), (45, 21), (26, 21), (14, 24), (6, 11), (9, 24), (13, 21), (33, 35), (30, 37), (29, 21), (19, 35), (11, 11), (10, 35), (48, 11), (31, 37), (12, 24), (18, 21), (43, 21)] current theta: 0.275511837209 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1972 rows and 1972 columns Presolve time: 0.00s Presolved: 479 rows, 527 columns, 1385 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 527 integer (527 binary) Root relaxation: cutoff, 503 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 (503 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: 0.286108446332 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1942 rows and 1942 columns Presolve time: 0.00s Presolved: 509 rows, 557 columns, 1475 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 557 integer (557 binary) Root relaxation: cutoff, 558 iterations, 0.01 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 (558 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: 0.291406750894 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1934 rows and 1934 columns Presolve time: 0.01s Presolved: 517 rows, 565 columns, 1499 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 565 integer (565 binary) Root relaxation: cutoff, 437 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 (437 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: 0.294055903175 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1922 rows and 1922 columns Presolve time: 0.01s Presolved: 529 rows, 577 columns, 1535 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 577 integer (577 binary) Root relaxation: cutoff, 568 iterations, 0.01 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 (568 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: 0.295380479315 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1922 rows and 1922 columns Presolve time: 0.01s Presolved: 529 rows, 577 columns, 1535 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 577 integer (577 binary) Root relaxation: cutoff, 568 iterations, 0.01 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 (568 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: 0.296042767385 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1920 rows and 1920 columns Presolve time: 0.01s Presolved: 531 rows, 579 columns, 1541 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [11, 21, 24, 35, 37] edges [(16, 11), (23, 11), (20, 24), (4, 37), (7, 24), (28, 11), (25, 21), (47, 24), (27, 37), (40, 24), (46, 21), (34, 24), (5, 37), (17, 21), (36, 21), (15, 35), (35, 35), (39, 37), (24, 24), (0, 24), (37, 37), (2, 35), (32, 11), (3, 37), (8, 35), (38, 24), (44, 21), (41, 11), (42, 21), (21, 21), (1, 35), (22, 24), (45, 21), (26, 21), (14, 24), (6, 11), (9, 24), (13, 21), (33, 35), (30, 37), (29, 21), (19, 35), (11, 11), (10, 35), (48, 11), (31, 37), (12, 24), (18, 21), (43, 21)] current theta: 0.29571162335 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1920 rows and 1920 columns Presolve time: 0.01s Presolved: 531 rows, 579 columns, 1541 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [11, 21, 24, 35, 37] edges [(16, 11), (23, 11), (20, 24), (4, 37), (7, 24), (28, 11), (25, 21), (47, 24), (27, 37), (40, 24), (46, 21), (34, 24), (5, 37), (17, 21), (36, 21), (15, 35), (35, 35), (39, 37), (24, 24), (0, 24), (37, 37), (2, 35), (32, 11), (3, 37), (8, 35), (38, 24), (44, 21), (41, 11), (42, 21), (21, 21), (1, 35), (22, 24), (45, 21), (26, 21), (14, 24), (6, 11), (9, 24), (13, 21), (33, 35), (30, 37), (29, 21), (19, 35), (11, 11), (10, 35), (48, 11), (31, 37), (12, 24), (18, 21), (43, 21)] current theta: 0.295546051333 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1922 rows and 1922 columns Presolve time: 0.01s Presolved: 529 rows, 577 columns, 1535 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 577 integer (577 binary) Root relaxation: cutoff, 568 iterations, 0.01 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 (568 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: 0.295628837341 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:01:41 2012 Optimize a model with 2451 rows, 2499 columns and 7301 nonzeros Presolve removed 1920 rows and 1920 columns Presolve time: 0.01s Presolved: 531 rows, 579 columns, 1541 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [11, 21, 24, 35, 37] edges [(16, 11), (23, 11), (20, 24), (4, 37), (7, 24), (28, 11), (25, 21), (47, 24), (27, 37), (40, 24), (46, 21), (34, 24), (5, 37), (17, 21), (36, 21), (15, 35), (35, 35), (39, 37), (24, 24), (0, 24), (37, 37), (2, 35), (32, 11), (3, 37), (8, 35), (38, 24), (44, 21), (41, 11), (42, 21), (21, 21), (1, 35), (22, 24), (45, 21), (26, 21), (14, 24), (6, 11), (9, 24), (13, 21), (33, 35), (30, 37), (29, 21), (19, 35), (11, 11), (10, 35), (48, 11), (31, 37), (12, 24), (18, 21), (43, 21)]