current theta: 0.674335514811 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:17 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 6196 rows and 6196 columns Presolve time: 0.39s Presolved: 17061 rows, 17212 columns, 51028 nonzeros Variable types: 0 continuous, 17212 integer (17212 binary) Root relaxation: objective 0.000000e+00, 2114 iterations, 0.13 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 0.00% - 0s Explored 0 nodes (4100 simplex iterations) in 0.66 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, 20, 35, 40, 43, 62, 74, 81, 91, 97, 111, 112, 114, 123, 140, 141] edges [(91, 20), (34, 97), (23, 123), (95, 20), (86, 20), (18, 81), (128, 40), (47, 97), (127, 20), (94, 111), (41, 97), (143, 123), (135, 97), (11, 123), (124, 97), (93, 20), (5, 97), (121, 97), (113, 123), (75, 141), (101, 140), (62, 17), (26, 97), (102, 140), (84, 114), (36, 17), (57, 97), (16, 74), (1, 81), (85, 97), (28, 17), (98, 40), (96, 17), (107, 74), (138, 40), (50, 20), (72, 141), (66, 141), (12, 97), (136, 112), (79, 123), (71, 97), (103, 20), (125, 40), (137, 35), (131, 17), (48, 35), (67, 140), (108, 123), (77, 20), (63, 81), (7, 97), (59, 141), (55, 81), (42, 140), (58, 123), (56, 112), (109, 20), (81, 74), (89, 123), (88, 81), (106, 17), (80, 17), (31, 123), (14, 140), (39, 114), (0, 114), (99, 40), (70, 112), (112, 97), (10, 123), (142, 140), (115, 97), (4, 35), (20, 97), (97, 97), (21, 17), (49, 114), (144, 140), (51, 97), (46, 35), (104, 35), (83, 74), (15, 97), (27, 74), (82, 17), (117, 40), (45, 81), (100, 123), (60, 140), (9, 97), (110, 74), (69, 111), (37, 97), (150, 140), (54, 74), (73, 35), (76, 114), (114, 17), (74, 141), (68, 97), (33, 17), (147, 81), (126, 123), (130, 20), (25, 20), (19, 140), (53, 97), (140, 140), (65, 97), (148, 91), (29, 74), (52, 141), (61, 141), (40, 40), (43, 111), (149, 40), (64, 74), (151, 123), (116, 20), (78, 123), (32, 97), (2, 141), (111, 20), (90, 20), (6, 123), (134, 20), (17, 17), (119, 97), (35, 20), (120, 140), (22, 20), (133, 97), (145, 97), (122, 97), (123, 123), (132, 141), (141, 141), (129, 112), (30, 140), (38, 81), (146, 20), (3, 97), (105, 40), (92, 140), (118, 141), (13, 17), (44, 40), (87, 140), (139, 74), (24, 97), (8, 114)] current theta: 0.337167757406 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:18 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 16802 rows and 16803 columns Presolve time: 0.17s Presolved: 6455 rows, 6605 columns, 19209 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 6605 integer (6605 binary) Root relaxation: objective 0.000000e+00, 1163 iterations, 0.04 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 0.00% - 0s Explored 0 nodes (2666 simplex iterations) in 0.26 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 [32, 40, 46, 60, 80, 81, 82, 83, 85, 97, 105, 112, 114, 121, 123, 141] edges [(148, 123), (70, 32), (86, 82), (143, 80), (18, 81), (52, 105), (112, 112), (68, 82), (149, 105), (34, 82), (54, 105), (140, 83), (120, 83), (105, 105), (131, 80), (48, 105), (2, 83), (41, 105), (30, 83), (69, 105), (19, 80), (50, 82), (33, 60), (8, 32), (43, 105), (85, 97), (135, 112), (137, 80), (0, 80), (82, 82), (72, 83), (92, 105), (77, 82), (58, 80), (12, 97), (109, 32), (64, 83), (102, 105), (79, 123), (61, 60), (47, 121), (13, 82), (101, 123), (22, 80), (108, 123), (90, 80), (98, 83), (151, 80), (62, 80), (26, 32), (76, 82), (56, 112), (21, 80), (31, 80), (38, 60), (100, 60), (10, 80), (84, 80), (96, 80), (83, 83), (44, 83), (71, 112), (74, 105), (66, 83), (103, 82), (144, 105), (42, 80), (40, 105), (116, 80), (7, 112), (111, 80), (37, 32), (24, 85), (11, 32), (6, 80), (110, 112), (139, 105), (87, 80), (36, 80), (142, 112), (78, 60), (91, 32), (27, 83), (17, 80), (35, 112), (107, 46), (28, 60), (119, 80), (1, 60), (146, 80), (67, 83), (15, 97), (89, 83), (75, 32), (126, 80), (16, 80), (51, 105), (55, 60), (39, 80), (20, 82), (95, 80), (3, 32), (53, 83), (29, 60), (130, 82), (141, 105), (88, 123), (60, 81), (128, 112), (104, 105), (115, 82), (46, 105), (118, 60), (136, 105), (93, 80), (121, 82), (59, 83), (117, 105), (32, 105), (49, 80), (147, 60), (14, 83), (132, 112), (99, 83), (133, 82), (80, 114), (23, 83), (25, 112), (4, 82), (5, 32), (127, 112), (63, 83), (145, 105), (45, 80), (106, 60), (57, 32), (73, 82), (138, 83), (150, 60), (65, 82), (94, 123), (81, 60), (9, 82), (122, 97), (97, 112), (125, 112), (123, 123), (113, 83), (129, 112), (134, 112), (114, 80), (124, 112)] current theta: 0.168583878703 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:18 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21196 rows and 21228 columns Presolve time: 0.04s Presolved: 2061 rows, 2180 columns, 5996 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2180 integer (2180 binary) Root relaxation: objective 0.000000e+00, 1651 iterations, 0.04 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 0.00% - 0s Explored 0 nodes (1651 simplex iterations) in 0.08 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 [40, 77, 82, 89, 97, 101, 102, 107, 109, 116, 120, 122, 142, 143, 145, 147] edges [(51, 120), (138, 102), (135, 145), (13, 116), (16, 143), (110, 142), (34, 82), (116, 116), (129, 142), (76, 77), (131, 77), (64, 120), (92, 120), (136, 142), (85, 122), (59, 89), (29, 143), (44, 107), (130, 77), (89, 89), (8, 145), (91, 120), (48, 145), (30, 120), (23, 89), (132, 109), (31, 143), (79, 147), (6, 116), (119, 116), (82, 82), (68, 116), (87, 143), (146, 116), (148, 101), (114, 77), (118, 120), (32, 145), (25, 142), (41, 120), (150, 120), (37, 122), (0, 77), (66, 120), (109, 109), (33, 147), (61, 89), (122, 122), (141, 40), (14, 89), (53, 145), (22, 77), (123, 101), (63, 89), (17, 77), (93, 116), (35, 97), (81, 101), (90, 77), (70, 142), (96, 77), (42, 143), (115, 122), (58, 116), (97, 97), (140, 89), (151, 143), (94, 101), (77, 77), (124, 142), (65, 122), (12, 145), (95, 77), (134, 142), (43, 142), (15, 122), (117, 40), (4, 122), (125, 142), (102, 102), (105, 107), (49, 77), (83, 107), (21, 116), (78, 147), (88, 147), (84, 116), (60, 147), (57, 116), (2, 107), (69, 107), (127, 142), (103, 77), (107, 107), (137, 82), (5, 107), (120, 120), (45, 143), (47, 82), (38, 147), (3, 142), (106, 147), (139, 142), (75, 109), (149, 102), (10, 143), (67, 102), (104, 109), (128, 142), (121, 82), (40, 40), (46, 109), (36, 116), (9, 116), (98, 120), (72, 89), (71, 142), (133, 82), (100, 89), (143, 143), (18, 147), (111, 120), (147, 147), (11, 120), (62, 77), (101, 101), (126, 143), (55, 101), (26, 145), (73, 82), (39, 116), (7, 122), (28, 147), (145, 145), (86, 116), (99, 120), (113, 120), (80, 77), (144, 107), (27, 89), (1, 147), (108, 101), (56, 142), (19, 143), (74, 89), (142, 142), (112, 142), (20, 122), (50, 77), (54, 120), (24, 145), (52, 142)] current theta: 0.0842919393514 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 22534 rows and 22685 columns Presolve time: 0.02s Presolved: 723 rows, 723 columns, 1885 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 723 integer (722 binary) Root relaxation: cutoff, 364 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 (364 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.126437909027 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21922 rows and 22026 columns Presolve time: 0.03s Presolved: 1335 rows, 1382 columns, 3748 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1382 integer (1382 binary) Root relaxation: cutoff, 1625 iterations, 0.02 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 (1625 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.147510893865 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21588 rows and 21652 columns Presolve time: 0.03s Presolved: 1669 rows, 1756 columns, 4790 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1756 integer (1756 binary) Root relaxation: cutoff, 2033 iterations, 0.05 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 (2033 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.158047386284 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21422 rows and 21474 columns Presolve time: 0.03s Presolved: 1835 rows, 1934 columns, 5300 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1934 integer (1934 binary) Root relaxation: cutoff, 2152 iterations, 0.05 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 (2152 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.163315632493 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21320 rows and 21360 columns Presolve time: 0.04s Presolved: 1937 rows, 2048 columns, 5618 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2048 integer (2048 binary) Root relaxation: cutoff, 2188 iterations, 0.07 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 (2188 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.165949755598 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21250 rows and 21284 columns Presolve time: 0.04s Presolved: 2007 rows, 2124 columns, 5834 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2124 integer (2124 binary) Root relaxation: objective 0.000000e+00, 2123 iterations, 0.06 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 0.00% - 0s Explored 0 nodes (3727 simplex iterations) in 0.14 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 [7, 8, 25, 31, 34, 38, 40, 54, 63, 77, 97, 101, 102, 119, 139, 144] edges [(68, 119), (89, 54), (12, 7), (138, 102), (44, 144), (65, 34), (29, 38), (107, 144), (38, 38), (147, 38), (133, 7), (30, 54), (104, 144), (11, 8), (76, 77), (131, 77), (2, 54), (39, 119), (53, 139), (100, 63), (54, 54), (99, 8), (64, 54), (130, 77), (5, 8), (105, 144), (56, 139), (87, 31), (31, 31), (58, 119), (66, 54), (148, 101), (114, 77), (92, 54), (118, 54), (43, 139), (13, 119), (20, 7), (0, 77), (110, 139), (52, 139), (150, 38), (124, 25), (129, 25), (37, 7), (141, 40), (113, 8), (49, 31), (22, 77), (123, 101), (136, 139), (112, 25), (23, 101), (17, 77), (45, 31), (84, 119), (3, 139), (47, 34), (106, 38), (16, 38), (81, 101), (90, 77), (96, 77), (132, 139), (25, 25), (119, 119), (111, 38), (122, 7), (79, 101), (46, 144), (24, 8), (15, 25), (7, 7), (97, 97), (18, 38), (36, 119), (94, 101), (77, 77), (137, 34), (109, 144), (95, 77), (83, 54), (32, 139), (135, 139), (63, 63), (51, 8), (117, 40), (120, 54), (102, 102), (33, 38), (93, 119), (75, 139), (35, 25), (34, 34), (82, 34), (103, 77), (140, 54), (86, 31), (26, 8), (142, 25), (149, 102), (72, 54), (67, 102), (4, 119), (40, 40), (91, 8), (59, 54), (6, 31), (143, 31), (41, 8), (48, 139), (42, 31), (134, 139), (70, 139), (27, 63), (74, 54), (60, 101), (78, 38), (10, 38), (21, 119), (61, 54), (14, 54), (62, 77), (101, 101), (115, 34), (57, 119), (55, 101), (98, 54), (125, 25), (151, 31), (73, 34), (116, 119), (144, 144), (127, 25), (69, 144), (71, 25), (80, 77), (85, 7), (108, 101), (121, 7), (19, 31), (145, 8), (126, 38), (1, 38), (128, 139), (146, 119), (9, 119), (8, 8), (88, 101), (50, 77), (139, 139), (28, 38)] current theta: 0.164632694046 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:19 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21278 rows and 21314 columns Presolve time: 0.04s Presolved: 1979 rows, 2094 columns, 5748 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2094 integer (2094 binary) Root relaxation: cutoff, 2175 iterations, 0.08 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 (2175 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.165291224822 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:20 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21262 rows and 21298 columns Presolve time: 0.04s Presolved: 1995 rows, 2110 columns, 5796 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2110 integer (2110 binary) Root relaxation: objective 0.000000e+00, 2035 iterations, 0.06 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 0.00% - 0s Explored 0 nodes (3300 simplex iterations) in 0.13 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 [7, 11, 14, 38, 53, 77, 82, 83, 97, 104, 116, 124, 139, 141, 148, 151] edges [(31, 151), (117, 104), (91, 11), (12, 7), (112, 124), (19, 151), (14, 14), (13, 116), (29, 38), (38, 38), (147, 38), (34, 82), (140, 83), (116, 116), (81, 148), (76, 77), (131, 77), (44, 53), (2, 83), (144, 104), (30, 83), (130, 77), (40, 141), (42, 151), (56, 139), (27, 14), (6, 116), (23, 14), (119, 116), (143, 151), (82, 82), (89, 14), (68, 116), (146, 116), (53, 53), (114, 77), (43, 139), (20, 7), (135, 7), (24, 11), (0, 77), (52, 139), (150, 38), (66, 14), (149, 141), (118, 14), (37, 7), (41, 11), (54, 14), (11, 11), (98, 14), (136, 139), (105, 104), (74, 83), (145, 53), (102, 83), (83, 83), (17, 77), (5, 11), (3, 139), (93, 116), (70, 124), (108, 148), (106, 38), (99, 11), (26, 11), (16, 38), (104, 104), (87, 151), (90, 77), (46, 104), (120, 11), (96, 77), (64, 11), (132, 139), (69, 53), (22, 151), (111, 38), (122, 7), (58, 116), (7, 7), (97, 97), (18, 38), (49, 151), (77, 77), (95, 77), (32, 139), (67, 83), (113, 11), (110, 124), (33, 38), (109, 104), (21, 116), (148, 148), (142, 124), (71, 7), (84, 116), (57, 116), (75, 139), (72, 14), (35, 124), (103, 77), (48, 53), (137, 82), (63, 14), (47, 82), (107, 53), (115, 82), (45, 151), (100, 14), (121, 82), (59, 83), (36, 116), (9, 116), (8, 11), (129, 7), (15, 7), (133, 82), (78, 38), (4, 82), (125, 124), (151, 151), (60, 148), (10, 38), (55, 148), (62, 77), (51, 11), (94, 148), (127, 124), (73, 82), (39, 116), (124, 124), (86, 116), (88, 148), (138, 83), (65, 82), (123, 148), (25, 124), (134, 124), (141, 141), (79, 148), (80, 77), (85, 7), (101, 148), (61, 14), (126, 38), (1, 38), (128, 139), (50, 77), (139, 139), (92, 53), (28, 38)] current theta: 0.164961959434 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:20 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21272 rows and 21308 columns Presolve time: 0.04s Presolved: 1985 rows, 2100 columns, 5766 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2100 integer (2100 binary) Root relaxation: cutoff, 2142 iterations, 0.08 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 (2142 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.165126592128 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:20 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21266 rows and 21302 columns Presolve time: 0.04s Presolved: 1991 rows, 2106 columns, 5784 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2106 integer (2106 binary) Root relaxation: objective 0.000000e+00, 2036 iterations, 0.06 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 0.00% - 0s Explored 0 nodes (2036 simplex iterations) in 0.10 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 [7, 8, 30, 38, 40, 77, 82, 89, 97, 102, 105, 116, 124, 139, 148, 151] edges [(31, 151), (12, 7), (138, 102), (112, 124), (19, 151), (13, 116), (29, 38), (38, 38), (147, 38), (34, 82), (116, 116), (80, 151), (11, 8), (81, 148), (76, 77), (131, 77), (105, 105), (53, 139), (107, 105), (99, 8), (69, 105), (130, 77), (5, 8), (89, 89), (42, 151), (56, 139), (142, 139), (23, 89), (6, 116), (119, 116), (143, 151), (82, 82), (68, 116), (146, 116), (114, 77), (43, 139), (20, 7), (135, 7), (0, 77), (110, 139), (52, 139), (150, 38), (109, 105), (61, 89), (2, 30), (37, 7), (141, 40), (14, 89), (136, 139), (120, 30), (63, 89), (64, 30), (17, 77), (59, 30), (3, 139), (93, 116), (70, 124), (108, 148), (144, 105), (106, 38), (30, 30), (16, 38), (87, 151), (90, 77), (96, 77), (92, 30), (132, 139), (22, 151), (111, 38), (122, 7), (58, 116), (24, 8), (7, 7), (97, 97), (18, 38), (140, 89), (98, 30), (54, 89), (49, 151), (77, 77), (95, 77), (32, 139), (51, 8), (117, 40), (102, 102), (33, 38), (21, 116), (148, 148), (71, 7), (84, 116), (57, 116), (75, 139), (35, 124), (44, 105), (103, 77), (137, 82), (26, 8), (47, 82), (104, 105), (115, 82), (46, 105), (149, 102), (67, 102), (45, 151), (113, 30), (121, 82), (40, 40), (36, 116), (91, 8), (9, 116), (129, 7), (15, 7), (41, 8), (48, 139), (72, 89), (133, 82), (100, 89), (118, 89), (78, 38), (4, 82), (125, 124), (151, 151), (60, 148), (10, 38), (83, 102), (55, 148), (62, 77), (94, 148), (66, 89), (127, 124), (73, 82), (39, 116), (124, 124), (86, 116), (88, 148), (65, 82), (123, 148), (25, 124), (134, 124), (79, 148), (85, 7), (101, 148), (27, 89), (145, 8), (126, 38), (1, 38), (128, 139), (74, 89), (8, 8), (50, 77), (139, 139), (28, 38)] current theta: 0.165044275781 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:58:20 2014 Optimize a model with 23257 rows, 23408 columns and 69616 nonzeros Presolve removed 21266 rows and 21302 columns Presolve time: 0.04s Presolved: 1991 rows, 2106 columns, 5784 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2106 integer (2106 binary) Root relaxation: cutoff, 37 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 0.00000 -1.00000 - - 0s Explored 0 nodes (37 simplex iterations) in 0.04 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 [7, 8, 30, 38, 40, 77, 82, 89, 97, 102, 105, 116, 124, 139, 148, 151] edges [(31, 151), (12, 7), (138, 102), (112, 124), (19, 151), (13, 116), (29, 38), (38, 38), (147, 38), (34, 82), (116, 116), (80, 151), (11, 8), (81, 148), (76, 77), (131, 77), (105, 105), (53, 139), (107, 105), (99, 8), (69, 105), (130, 77), (5, 8), (89, 89), (42, 151), (56, 139), (142, 139), (23, 89), (6, 116), (119, 116), (143, 151), (82, 82), (68, 116), (146, 116), (114, 77), (43, 139), (20, 7), (135, 7), (0, 77), (110, 139), (52, 139), (150, 38), (109, 105), (61, 89), (2, 30), (37, 7), (141, 40), (14, 89), (136, 139), (120, 30), (63, 89), (64, 30), (17, 77), (59, 30), (3, 139), (93, 116), (70, 124), (108, 148), (144, 105), (106, 38), (30, 30), (16, 38), (87, 151), (90, 77), (96, 77), (92, 30), (132, 139), (22, 151), (111, 38), (122, 7), (58, 116), (24, 8), (7, 7), (97, 97), (18, 38), (140, 89), (98, 30), (54, 89), (49, 151), (77, 77), (95, 77), (32, 139), (51, 8), (117, 40), (102, 102), (33, 38), (21, 116), (148, 148), (71, 7), (84, 116), (57, 116), (75, 139), (35, 124), (44, 105), (103, 77), (137, 82), (26, 8), (47, 82), (104, 105), (115, 82), (46, 105), (149, 102), (67, 102), (45, 151), (113, 30), (121, 82), (40, 40), (36, 116), (91, 8), (9, 116), (129, 7), (15, 7), (41, 8), (48, 139), (72, 89), (133, 82), (100, 89), (118, 89), (78, 38), (4, 82), (125, 124), (151, 151), (60, 148), (10, 38), (83, 102), (55, 148), (62, 77), (94, 148), (66, 89), (127, 124), (73, 82), (39, 116), (124, 124), (86, 116), (88, 148), (65, 82), (123, 148), (25, 124), (134, 124), (79, 148), (85, 7), (101, 148), (27, 89), (145, 8), (126, 38), (1, 38), (128, 139), (74, 89), (8, 8), (50, 77), (139, 139), (28, 38)]