current theta: 0.697120899741 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:37 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 12458 rows and 12458 columns Presolve time: 1.14s Presolved: 35723 rows, 35941 columns, 106947 nonzeros Variable types: 0 continuous, 35941 integer (35941 binary) Root relaxation: objective 0.000000e+00, 2439 iterations, 0.09 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% - 1s Explored 0 nodes (2439 simplex iterations) in 1.25 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 [6, 11, 26, 37, 39, 55, 57, 64, 83, 89, 92, 110, 126, 130, 136, 144, 157, 171, 172, 177, 190, 218] edges [(78, 218), (93, 144), (176, 144), (144, 218), (171, 144), (29, 218), (118, 190), (66, 218), (18, 218), (116, 144), (87, 136), (74, 218), (126, 136), (81, 144), (33, 144), (76, 144), (185, 144), (106, 218), (205, 218), (17, 218), (101, 218), (23, 144), (112, 144), (39, 136), (111, 144), (167, 144), (191, 136), (141, 218), (218, 130), (62, 218), (194, 218), (83, 144), (209, 144), (215, 144), (3, 89), (88, 218), (82, 144), (77, 144), (169, 144), (204, 218), (152, 144), (16, 218), (166, 144), (11, 218), (132, 136), (95, 144), (114, 144), (203, 144), (27, 172), (4, 136), (100, 83), (36, 218), (67, 144), (199, 144), (164, 144), (182, 144), (162, 92), (147, 144), (210, 218), (131, 218), (7, 144), (75, 218), (189, 144), (216, 144), (183, 130), (57, 130), (178, 144), (170, 144), (161, 144), (195, 136), (12, 136), (96, 136), (37, 136), (124, 126), (173, 144), (128, 144), (41, 218), (54, 218), (14, 144), (71, 144), (151, 144), (56, 144), (22, 136), (61, 144), (108, 144), (140, 144), (92, 218), (143, 172), (86, 136), (28, 218), (47, 136), (50, 144), (217, 157), (184, 144), (155, 136), (207, 144), (179, 144), (174, 144), (52, 144), (129, 136), (135, 144), (136, 136), (72, 64), (99, 144), (110, 218), (117, 144), (45, 144), (214, 144), (21, 144), (65, 136), (198, 218), (149, 136), (89, 144), (60, 136), (46, 218), (84, 144), (186, 144), (55, 136), (30, 177), (51, 218), (145, 157), (175, 144), (35, 144), (180, 218), (105, 144), (154, 144), (102, 130), (13, 130), (9, 144), (146, 64), (85, 218), (181, 144), (212, 144), (90, 144), (1, 144), (130, 218), (6, 218), (26, 218), (19, 144), (153, 144), (163, 144), (208, 144), (158, 144), (64, 218), (206, 130), (80, 144), (15, 136), (177, 144), (79, 144), (32, 136), (59, 218), (31, 144), (160, 144), (150, 144), (10, 144), (156, 218), (94, 144), (103, 144), (5, 144), (134, 218), (42, 218), (165, 144), (213, 144), (73, 144), (2, 144), (148, 144), (104, 136), (25, 144), (192, 144), (20, 144), (187, 144), (63, 144), (113, 144), (119, 218), (58, 144), (120, 55), (138, 144), (123, 144), (159, 218), (34, 144), (91, 218), (40, 136), (133, 144), (125, 136), (201, 144), (142, 157), (97, 144), (24, 218), (44, 218), (196, 144), (137, 218), (122, 218), (70, 144), (8, 144), (193, 144), (69, 144), (53, 144), (107, 218), (188, 144), (48, 144), (0, 144), (43, 144), (202, 144), (211, 144), (127, 144), (38, 144), (157, 144), (168, 136), (109, 136), (200, 218), (139, 218), (121, 144), (49, 144), (172, 218), (190, 218), (98, 144), (68, 218), (197, 144), (115, 89)] current theta: 0.348560449871 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:39 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 34488 rows and 34488 columns Presolve time: 0.28s Presolved: 13693 rows, 13911 columns, 40857 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 13911 integer (13911 binary) Root relaxation: objective 0.000000e+00, 2323 iterations, 0.15 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 (4779 simplex iterations) in 0.61 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 [6, 21, 24, 26, 29, 38, 40, 43, 57, 60, 90, 98, 110, 121, 128, 135, 138, 142, 152, 201, 211, 218] edges [(69, 121), (144, 29), (215, 60), (96, 40), (111, 90), (86, 121), (173, 90), (55, 90), (27, 142), (41, 90), (66, 218), (18, 218), (159, 38), (211, 211), (38, 38), (169, 38), (88, 29), (83, 135), (182, 201), (141, 152), (60, 40), (57, 218), (98, 110), (78, 29), (45, 110), (174, 38), (207, 211), (92, 138), (172, 29), (59, 110), (127, 90), (71, 90), (112, 24), (192, 138), (163, 121), (114, 201), (208, 29), (34, 138), (129, 40), (74, 128), (154, 121), (218, 110), (76, 38), (61, 40), (124, 121), (210, 152), (122, 138), (178, 29), (109, 121), (107, 128), (17, 152), (101, 24), (126, 121), (77, 38), (81, 90), (206, 110), (149, 121), (36, 218), (135, 38), (196, 211), (5, 38), (145, 38), (12, 43), (103, 57), (162, 211), (47, 121), (146, 128), (40, 121), (151, 138), (19, 38), (155, 60), (177, 142), (4, 121), (152, 128), (82, 211), (157, 142), (44, 29), (205, 110), (62, 110), (32, 211), (46, 128), (73, 60), (3, 135), (161, 38), (2, 135), (142, 128), (70, 29), (105, 38), (58, 38), (171, 201), (50, 29), (106, 38), (21, 211), (184, 90), (26, 110), (189, 128), (158, 60), (213, 29), (87, 121), (28, 211), (48, 98), (191, 21), (25, 211), (116, 121), (183, 21), (148, 121), (133, 29), (102, 21), (143, 38), (108, 21), (166, 138), (153, 38), (147, 90), (9, 121), (16, 211), (175, 90), (37, 121), (179, 38), (134, 110), (120, 211), (80, 38), (11, 98), (198, 128), (137, 38), (128, 128), (136, 121), (39, 121), (117, 40), (125, 121), (23, 29), (84, 218), (138, 38), (110, 218), (33, 38), (64, 128), (54, 128), (195, 121), (53, 29), (99, 211), (113, 152), (190, 38), (90, 60), (203, 29), (91, 98), (199, 60), (186, 121), (10, 135), (150, 128), (56, 90), (95, 152), (132, 90), (51, 218), (165, 38), (188, 121), (180, 218), (31, 60), (67, 98), (14, 38), (201, 38), (20, 90), (24, 38), (140, 218), (123, 128), (181, 90), (139, 24), (214, 90), (30, 201), (29, 21), (89, 135), (130, 128), (104, 60), (176, 121), (216, 138), (204, 138), (22, 121), (131, 138), (72, 201), (6, 110), (43, 211), (185, 135), (160, 211), (194, 24), (15, 121), (93, 211), (52, 24), (42, 128), (121, 90), (35, 128), (65, 90), (217, 135), (1, 201), (170, 135), (49, 128), (193, 38), (75, 29), (79, 38), (164, 90), (212, 29), (13, 211), (156, 29), (118, 218), (197, 211), (8, 135), (200, 152), (115, 38), (7, 138), (167, 38), (187, 110), (119, 152), (63, 38), (0, 38), (68, 98), (85, 98), (202, 128), (100, 38), (209, 211), (168, 29), (94, 211), (97, 201)] current theta: 0.174280224935 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:39 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 43922 rows and 43940 columns Presolve time: 0.09s Presolved: 4259 rows, 4459 columns, 12537 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4459 integer (4459 binary) Root relaxation: objective 0.000000e+00, 2382 iterations, 0.09 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 (4343 simplex iterations) in 0.27 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 [20, 69, 84, 87, 94, 102, 118, 120, 139, 143, 144, 161, 170, 182, 195, 198, 201, 204, 213, 215, 216, 217] edges [(110, 118), (109, 87), (195, 195), (13, 120), (216, 139), (44, 94), (77, 170), (89, 217), (215, 215), (141, 213), (190, 170), (98, 216), (75, 213), (170, 170), (197, 120), (40, 87), (49, 201), (80, 201), (105, 20), (134, 198), (210, 139), (130, 204), (81, 87), (186, 215), (16, 94), (88, 144), (133, 120), (140, 118), (11, 94), (178, 215), (217, 217), (187, 118), (57, 118), (172, 144), (32, 102), (82, 94), (180, 118), (114, 201), (47, 195), (198, 198), (156, 216), (119, 204), (148, 215), (46, 216), (113, 94), (204, 144), (92, 213), (50, 216), (95, 94), (74, 216), (0, 204), (70, 94), (125, 195), (112, 69), (192, 215), (209, 120), (18, 198), (218, 118), (85, 216), (165, 143), (151, 161), (159, 201), (111, 139), (52, 69), (169, 161), (191, 102), (211, 120), (200, 84), (171, 217), (17, 144), (14, 161), (34, 161), (108, 94), (206, 118), (43, 120), (137, 201), (155, 195), (58, 69), (175, 215), (84, 84), (71, 215), (65, 195), (199, 161), (69, 69), (96, 195), (149, 195), (62, 84), (167, 201), (41, 213), (4, 195), (126, 87), (93, 120), (107, 139), (132, 102), (164, 161), (183, 102), (128, 198), (168, 213), (36, 84), (12, 102), (54, 144), (173, 69), (208, 213), (51, 198), (174, 217), (24, 201), (26, 118), (86, 195), (154, 20), (157, 217), (121, 87), (59, 84), (10, 182), (117, 87), (179, 198), (138, 161), (185, 201), (181, 20), (42, 204), (189, 198), (147, 161), (122, 213), (135, 182), (150, 198), (163, 161), (162, 120), (102, 102), (127, 215), (205, 216), (120, 120), (66, 84), (37, 87), (202, 204), (19, 20), (182, 143), (72, 217), (45, 216), (129, 215), (161, 161), (20, 20), (15, 215), (142, 170), (73, 87), (103, 118), (55, 215), (213, 213), (143, 217), (160, 94), (35, 170), (97, 182), (6, 118), (76, 204), (123, 198), (21, 120), (176, 69), (87, 87), (56, 215), (212, 144), (166, 161), (83, 217), (214, 215), (101, 204), (64, 198), (22, 195), (188, 20), (158, 215), (177, 143), (91, 216), (152, 216), (136, 87), (79, 20), (124, 69), (131, 213), (207, 120), (27, 217), (68, 139), (1, 201), (203, 94), (115, 143), (29, 94), (118, 118), (39, 87), (90, 215), (61, 87), (63, 170), (38, 201), (104, 215), (193, 201), (9, 161), (25, 120), (201, 170), (99, 120), (196, 94), (78, 94), (7, 161), (100, 143), (33, 182), (31, 20), (146, 217), (60, 195), (3, 217), (53, 144), (30, 182), (106, 139), (28, 94), (2, 20), (67, 94), (139, 139), (8, 143), (23, 94), (194, 201), (145, 170), (153, 213), (116, 215), (5, 182), (184, 161), (94, 94), (144, 139), (48, 94)] current theta: 0.0871401124677 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:40 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 46716 rows and 46924 columns Presolve time: 0.04s Presolved: 1465 rows, 1475 columns, 3971 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1475 integer (1474 binary) Root relaxation: cutoff, 1762 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 (1762 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.130710168702 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:40 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45548 rows and 45627 columns Presolve time: 0.06s Presolved: 2633 rows, 2772 columns, 7598 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2772 integer (2772 binary) Root relaxation: cutoff, 3435 iterations, 0.13 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 (3435 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.152495196818 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:40 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 44806 rows and 44843 columns Presolve time: 0.07s Presolved: 3375 rows, 3556 columns, 9866 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3556 integer (3556 binary) Root relaxation: objective 0.000000e+00, 2789 iterations, 0.11 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 (4982 simplex iterations) in 0.24 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 [25, 56, 64, 65, 66, 73, 87, 92, 102, 111, 112, 118, 120, 135, 165, 179, 182, 199, 202, 203, 216, 217] edges [(66, 66), (199, 199), (110, 118), (109, 87), (151, 202), (97, 135), (185, 202), (65, 65), (201, 202), (169, 199), (89, 217), (98, 216), (38, 202), (40, 87), (112, 112), (22, 87), (31, 112), (192, 199), (51, 64), (120, 25), (116, 199), (133, 120), (78, 203), (140, 118), (160, 203), (11, 203), (217, 217), (212, 111), (187, 118), (2, 112), (57, 118), (95, 216), (32, 102), (213, 92), (180, 118), (156, 216), (46, 216), (105, 112), (77, 202), (203, 203), (215, 199), (214, 111), (74, 216), (94, 203), (86, 56), (48, 203), (54, 64), (69, 112), (60, 56), (209, 120), (88, 92), (147, 112), (218, 118), (85, 216), (131, 92), (53, 111), (177, 217), (101, 202), (191, 102), (76, 202), (211, 120), (193, 165), (14, 202), (142, 217), (129, 56), (137, 179), (206, 118), (190, 179), (208, 92), (61, 56), (90, 102), (106, 111), (64, 64), (130, 179), (138, 111), (29, 92), (114, 202), (189, 179), (126, 87), (93, 120), (128, 179), (92, 92), (148, 199), (44, 216), (134, 64), (207, 25), (20, 112), (158, 56), (132, 102), (82, 203), (119, 64), (183, 102), (28, 92), (123, 179), (168, 102), (173, 73), (127, 102), (19, 112), (100, 135), (161, 111), (141, 92), (172, 216), (12, 102), (68, 216), (15, 56), (45, 66), (25, 25), (108, 25), (174, 217), (96, 65), (26, 118), (157, 217), (164, 111), (121, 87), (10, 182), (166, 199), (58, 112), (75, 92), (179, 179), (122, 92), (1, 202), (42, 64), (50, 92), (162, 120), (102, 102), (41, 92), (30, 217), (16, 203), (63, 182), (176, 73), (205, 216), (81, 73), (17, 216), (37, 87), (72, 217), (198, 179), (165, 165), (55, 102), (67, 203), (155, 65), (4, 56), (73, 87), (171, 165), (184, 199), (197, 25), (103, 118), (0, 202), (8, 217), (143, 217), (80, 165), (9, 199), (204, 111), (6, 118), (70, 92), (21, 120), (200, 216), (34, 202), (104, 56), (87, 87), (36, 216), (7, 111), (83, 217), (117, 56), (23, 203), (202, 202), (124, 73), (84, 66), (24, 202), (99, 25), (43, 25), (153, 111), (194, 179), (91, 216), (152, 216), (136, 87), (113, 216), (47, 65), (107, 64), (139, 216), (210, 216), (27, 217), (170, 165), (182, 217), (216, 216), (125, 87), (154, 112), (159, 179), (35, 202), (118, 118), (115, 217), (39, 87), (59, 66), (196, 203), (52, 112), (111, 111), (175, 56), (13, 25), (181, 112), (167, 182), (33, 182), (71, 56), (146, 217), (49, 202), (149, 56), (144, 216), (3, 217), (163, 199), (150, 64), (18, 64), (79, 112), (62, 66), (186, 56), (5, 182), (178, 199), (135, 135), (195, 65), (145, 217), (188, 56), (56, 56)] current theta: 0.14160268276 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:41 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45206 rows and 45261 columns Presolve time: 0.06s Presolved: 2975 rows, 3138 columns, 8648 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3138 integer (3138 binary) Root relaxation: objective 0.000000e+00, 2699 iterations, 0.10 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 (4519 simplex iterations) in 0.22 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 [19, 33, 43, 66, 77, 81, 82, 87, 96, 118, 132, 134, 153, 169, 189, 201, 204, 207, 208, 215, 216, 217] edges [(66, 66), (163, 169), (110, 118), (109, 87), (121, 81), (147, 169), (48, 82), (191, 132), (89, 217), (215, 215), (184, 169), (98, 216), (38, 77), (23, 82), (212, 153), (190, 189), (40, 87), (49, 201), (35, 201), (79, 169), (74, 204), (209, 207), (130, 204), (28, 208), (108, 207), (140, 118), (31, 81), (217, 217), (187, 118), (57, 118), (95, 216), (16, 82), (180, 118), (11, 82), (179, 189), (114, 201), (199, 215), (43, 43), (156, 216), (4, 96), (119, 204), (148, 215), (46, 216), (64, 134), (186, 96), (150, 134), (168, 208), (50, 216), (208, 208), (105, 81), (113, 82), (34, 204), (138, 153), (56, 96), (169, 169), (21, 43), (192, 215), (82, 82), (218, 118), (85, 216), (69, 81), (213, 208), (159, 201), (102, 132), (164, 153), (177, 217), (149, 96), (201, 201), (41, 208), (123, 134), (142, 217), (171, 77), (206, 118), (20, 169), (47, 96), (175, 215), (120, 207), (161, 153), (151, 169), (122, 208), (167, 201), (126, 87), (173, 81), (63, 201), (44, 216), (194, 189), (12, 132), (202, 201), (2, 77), (71, 81), (52, 81), (22, 96), (25, 207), (178, 153), (188, 81), (116, 169), (172, 216), (75, 208), (68, 216), (45, 66), (42, 134), (174, 217), (24, 201), (26, 118), (54, 216), (157, 217), (135, 33), (182, 33), (77, 201), (96, 96), (93, 207), (81, 81), (5, 33), (58, 19), (185, 201), (132, 132), (60, 96), (107, 204), (154, 169), (30, 217), (162, 43), (205, 216), (29, 208), (155, 96), (170, 201), (17, 216), (37, 87), (88, 208), (153, 153), (72, 217), (176, 19), (10, 33), (134, 134), (18, 134), (15, 215), (73, 87), (166, 169), (103, 118), (55, 215), (8, 217), (143, 217), (100, 217), (198, 134), (99, 207), (0, 169), (86, 96), (6, 118), (76, 204), (160, 82), (200, 216), (87, 87), (106, 204), (141, 208), (36, 216), (83, 217), (214, 153), (53, 204), (101, 204), (158, 215), (84, 66), (207, 207), (183, 132), (127, 153), (70, 208), (91, 216), (152, 216), (136, 87), (78, 82), (139, 216), (165, 201), (204, 204), (210, 216), (27, 217), (129, 96), (216, 216), (125, 87), (33, 33), (197, 207), (189, 189), (1, 201), (181, 19), (211, 207), (67, 82), (92, 208), (14, 204), (131, 208), (118, 118), (115, 217), (39, 87), (196, 82), (19, 19), (90, 215), (61, 87), (94, 82), (59, 66), (133, 207), (104, 215), (203, 82), (193, 201), (32, 132), (146, 217), (128, 134), (51, 134), (13, 207), (3, 217), (137, 189), (80, 77), (111, 204), (97, 33), (117, 96), (195, 96), (9, 169), (62, 66), (124, 81), (7, 153), (112, 19), (65, 96), (145, 217), (144, 204)] current theta: 0.136156425731 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:41 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45376 rows and 45443 columns Presolve time: 0.06s Presolved: 2805 rows, 2956 columns, 8126 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2956 integer (2956 binary) Root relaxation: objective 1.421085e-14, 2942 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 60 - 0.00000 - - 0s 0 0 0.00000 0 249 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 1 Zero half: 26 Explored 0 nodes (10787 simplex iterations) in 0.41 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 [23, 25, 66, 67, 69, 87, 96, 118, 132, 134, 135, 143, 154, 168, 169, 179, 188, 201, 204, 213, 215, 216] edges [(66, 66), (110, 118), (109, 87), (97, 135), (191, 132), (82, 23), (215, 215), (98, 216), (75, 213), (40, 87), (49, 201), (35, 201), (164, 213), (182, 135), (74, 204), (130, 204), (120, 25), (71, 188), (140, 118), (178, 215), (187, 118), (188, 188), (57, 118), (95, 216), (180, 118), (114, 201), (5, 135), (199, 215), (156, 216), (119, 204), (148, 215), (151, 154), (184, 154), (46, 216), (64, 134), (150, 134), (92, 213), (50, 216), (141, 23), (23, 23), (67, 23), (34, 204), (33, 135), (161, 169), (192, 215), (203, 23), (29, 23), (2, 154), (218, 118), (85, 216), (142, 143), (154, 154), (102, 132), (149, 96), (170, 143), (201, 201), (211, 25), (174, 143), (137, 179), (206, 118), (47, 96), (79, 154), (58, 69), (175, 215), (11, 23), (52, 188), (93, 23), (69, 69), (163, 154), (121, 188), (167, 201), (41, 213), (38, 154), (104, 96), (189, 179), (126, 87), (63, 201), (128, 179), (117, 188), (171, 143), (12, 132), (207, 25), (202, 201), (88, 213), (123, 179), (145, 143), (20, 154), (48, 67), (160, 23), (13, 168), (22, 96), (80, 154), (127, 168), (116, 169), (100, 135), (172, 216), (68, 216), (208, 213), (129, 188), (45, 66), (25, 25), (108, 25), (42, 134), (196, 23), (78, 23), (83, 143), (24, 201), (26, 118), (54, 216), (190, 201), (138, 213), (212, 213), (77, 201), (96, 96), (31, 188), (179, 179), (113, 23), (185, 201), (132, 132), (60, 96), (7, 213), (61, 188), (107, 204), (21, 25), (186, 188), (214, 169), (205, 216), (155, 96), (17, 216), (37, 87), (198, 179), (134, 134), (3, 143), (10, 135), (18, 134), (15, 215), (73, 87), (166, 169), (197, 25), (103, 118), (55, 215), (213, 213), (168, 168), (209, 25), (30, 143), (28, 23), (0, 169), (86, 96), (6, 118), (76, 204), (200, 216), (176, 69), (87, 87), (106, 204), (36, 216), (53, 204), (101, 204), (94, 23), (158, 215), (181, 69), (84, 66), (72, 143), (81, 188), (99, 25), (183, 132), (177, 143), (43, 25), (194, 179), (4, 188), (91, 216), (152, 216), (136, 87), (124, 69), (139, 216), (165, 201), (27, 143), (157, 143), (204, 204), (112, 154), (210, 216), (105, 188), (143, 143), (19, 69), (216, 216), (147, 154), (89, 143), (125, 87), (1, 201), (159, 179), (115, 143), (14, 204), (16, 23), (118, 118), (39, 87), (90, 215), (59, 66), (193, 201), (56, 188), (32, 132), (169, 154), (217, 143), (173, 188), (51, 134), (146, 143), (133, 23), (44, 23), (111, 204), (131, 168), (195, 96), (70, 23), (8, 143), (9, 169), (62, 66), (153, 213), (135, 135), (65, 96), (162, 25), (144, 204), (122, 168)] current theta: 0.133433297216 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:42 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45458 rows and 45528 columns Presolve time: 0.06s Presolved: 2723 rows, 2871 columns, 7877 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2871 integer (2871 binary) Root relaxation: objective 1.421085e-14, 2851 iterations, 0.12 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 (4824 simplex iterations) in 0.24 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 [13, 20, 25, 66, 69, 76, 87, 113, 118, 134, 135, 138, 143, 155, 156, 183, 185, 188, 189, 196, 199, 208] edges [(66, 66), (13, 13), (175, 188), (110, 118), (109, 87), (172, 156), (97, 135), (195, 155), (128, 189), (190, 189), (48, 113), (40, 87), (151, 185), (182, 135), (192, 199), (95, 113), (120, 25), (167, 185), (71, 188), (116, 199), (140, 118), (187, 118), (1, 185), (188, 188), (57, 118), (98, 113), (36, 156), (180, 118), (102, 183), (179, 189), (5, 135), (77, 185), (90, 183), (210, 156), (205, 156), (64, 134), (150, 134), (212, 138), (168, 208), (215, 199), (208, 208), (130, 134), (214, 138), (33, 135), (153, 138), (139, 156), (218, 118), (142, 143), (112, 20), (17, 156), (213, 208), (54, 156), (203, 196), (78, 113), (158, 199), (170, 143), (41, 208), (211, 25), (174, 143), (206, 118), (193, 185), (53, 76), (45, 113), (12, 183), (119, 134), (58, 69), (52, 188), (69, 69), (159, 189), (34, 76), (160, 196), (122, 208), (121, 188), (126, 87), (104, 183), (117, 188), (22, 155), (171, 143), (194, 189), (207, 25), (94, 196), (216, 156), (165, 185), (145, 143), (191, 183), (38, 185), (184, 20), (100, 135), (75, 208), (129, 188), (25, 25), (108, 25), (42, 134), (83, 143), (28, 113), (26, 118), (154, 20), (74, 156), (23, 196), (80, 185), (91, 156), (68, 113), (31, 188), (148, 188), (60, 155), (138, 138), (44, 113), (21, 25), (186, 188), (196, 196), (133, 196), (46, 156), (29, 208), (37, 87), (88, 208), (204, 76), (147, 199), (132, 183), (134, 134), (3, 143), (93, 13), (10, 135), (11, 113), (20, 20), (18, 134), (73, 87), (178, 138), (197, 25), (103, 118), (164, 138), (144, 156), (209, 25), (198, 134), (30, 143), (127, 138), (185, 185), (6, 118), (114, 185), (2, 185), (82, 113), (176, 69), (87, 87), (169, 20), (141, 208), (49, 185), (107, 76), (181, 69), (113, 113), (84, 66), (72, 143), (81, 188), (156, 156), (99, 25), (177, 143), (43, 25), (70, 208), (4, 188), (136, 87), (85, 156), (79, 20), (124, 69), (24, 185), (35, 185), (27, 143), (157, 143), (15, 183), (105, 188), (111, 138), (143, 143), (55, 183), (19, 69), (202, 185), (89, 143), (125, 87), (86, 155), (189, 189), (115, 143), (92, 208), (0, 185), (131, 208), (118, 118), (39, 87), (152, 156), (76, 76), (61, 87), (59, 66), (123, 189), (106, 76), (183, 183), (67, 196), (56, 188), (50, 156), (7, 138), (101, 76), (9, 20), (217, 143), (96, 155), (173, 188), (51, 134), (200, 156), (146, 143), (163, 199), (166, 20), (137, 189), (32, 13), (47, 155), (161, 138), (16, 196), (63, 185), (8, 143), (62, 66), (135, 135), (155, 155), (162, 25), (65, 155), (14, 76), (199, 20), (201, 185), (149, 155)] current theta: 0.132071732959 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:42 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45502 rows and 45577 columns Presolve time: 0.06s Presolved: 2679 rows, 2822 columns, 7740 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2822 integer (2822 binary) Root relaxation: objective -1.421085e-14, 2975 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 (4904 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 [64, 66, 69, 76, 79, 113, 118, 120, 125, 135, 143, 153, 155, 156, 162, 179, 183, 188, 193, 196, 199, 208] edges [(66, 66), (199, 199), (175, 188), (110, 118), (172, 156), (97, 135), (169, 199), (0, 76), (197, 120), (212, 153), (48, 113), (182, 135), (192, 199), (95, 113), (190, 193), (51, 64), (82, 196), (71, 188), (116, 199), (133, 120), (140, 118), (187, 118), (188, 188), (57, 118), (98, 113), (36, 156), (24, 76), (180, 118), (185, 193), (102, 183), (5, 135), (90, 183), (210, 156), (205, 156), (109, 125), (147, 79), (168, 208), (215, 199), (208, 208), (201, 193), (138, 153), (33, 135), (31, 69), (114, 193), (139, 156), (209, 120), (218, 118), (142, 143), (17, 156), (213, 208), (126, 125), (21, 162), (164, 153), (54, 156), (203, 196), (211, 120), (78, 113), (158, 199), (170, 143), (41, 208), (174, 193), (137, 179), (206, 118), (63, 193), (53, 76), (45, 113), (73, 69), (12, 183), (151, 79), (43, 162), (40, 125), (58, 69), (64, 64), (52, 188), (69, 69), (161, 153), (34, 76), (160, 196), (122, 208), (121, 188), (189, 179), (93, 120), (104, 183), (128, 179), (117, 188), (79, 79), (134, 64), (94, 196), (119, 64), (87, 125), (123, 179), (216, 156), (145, 143), (191, 183), (167, 193), (80, 79), (178, 153), (100, 135), (75, 208), (129, 188), (171, 193), (77, 193), (83, 143), (28, 113), (26, 118), (37, 125), (74, 156), (23, 196), (108, 120), (91, 156), (68, 113), (166, 199), (148, 188), (38, 79), (39, 125), (179, 179), (125, 125), (60, 155), (42, 64), (184, 79), (165, 193), (162, 162), (44, 113), (61, 188), (202, 76), (186, 188), (196, 196), (136, 125), (46, 156), (29, 208), (120, 120), (88, 208), (153, 153), (204, 76), (132, 183), (3, 143), (10, 135), (195, 125), (198, 64), (32, 162), (112, 79), (103, 118), (144, 156), (30, 143), (6, 118), (176, 69), (141, 208), (214, 153), (107, 76), (181, 69), (113, 113), (154, 79), (84, 66), (72, 143), (81, 188), (156, 156), (177, 143), (127, 153), (70, 208), (194, 179), (4, 188), (85, 156), (124, 69), (27, 143), (157, 143), (15, 183), (207, 120), (105, 188), (143, 143), (55, 183), (19, 69), (22, 125), (89, 143), (86, 155), (159, 179), (115, 143), (92, 208), (131, 208), (118, 118), (152, 156), (49, 193), (20, 199), (76, 76), (59, 66), (106, 76), (183, 183), (67, 196), (25, 120), (56, 188), (99, 120), (2, 79), (50, 156), (101, 76), (217, 143), (1, 193), (96, 155), (173, 188), (9, 79), (200, 156), (146, 143), (130, 76), (163, 199), (150, 64), (47, 155), (18, 64), (16, 196), (193, 193), (8, 143), (11, 196), (62, 66), (7, 153), (135, 135), (155, 155), (13, 162), (35, 193), (65, 155), (14, 76), (149, 155), (111, 153)] current theta: 0.13139095083 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:43 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45530 rows and 45608 columns Presolve time: 0.06s Presolved: 2651 rows, 2791 columns, 7653 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2791 integer (2791 binary) Root relaxation: objective 0.000000e+00, 2981 iterations, 0.11 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 (4741 simplex iterations) in 0.23 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 [66, 69, 76, 79, 87, 113, 118, 120, 135, 143, 150, 153, 155, 156, 162, 179, 183, 188, 193, 196, 199, 208] edges [(66, 66), (199, 199), (110, 118), (109, 87), (172, 156), (97, 135), (13, 120), (169, 199), (0, 76), (195, 155), (51, 150), (197, 120), (212, 153), (48, 113), (40, 87), (182, 135), (192, 199), (95, 113), (190, 193), (82, 196), (71, 188), (116, 199), (133, 120), (140, 118), (187, 118), (188, 188), (57, 118), (98, 113), (36, 156), (24, 76), (180, 118), (185, 193), (102, 183), (5, 135), (90, 183), (205, 156), (168, 208), (215, 199), (175, 199), (208, 208), (201, 193), (138, 153), (33, 135), (31, 69), (114, 193), (139, 156), (209, 120), (218, 118), (142, 143), (17, 156), (21, 162), (164, 153), (54, 156), (203, 196), (211, 120), (78, 113), (158, 199), (41, 208), (174, 193), (137, 179), (206, 118), (63, 193), (53, 76), (64, 150), (45, 113), (150, 150), (12, 183), (151, 79), (43, 162), (58, 69), (52, 188), (69, 69), (161, 153), (34, 76), (160, 196), (122, 208), (121, 188), (189, 179), (126, 87), (93, 120), (104, 183), (128, 179), (117, 188), (22, 155), (79, 79), (148, 199), (94, 196), (123, 179), (216, 156), (145, 143), (191, 183), (167, 193), (80, 79), (178, 153), (119, 150), (100, 135), (75, 208), (129, 188), (171, 193), (77, 193), (134, 150), (83, 143), (28, 113), (26, 118), (18, 150), (74, 156), (23, 196), (108, 120), (91, 156), (68, 113), (166, 199), (38, 79), (179, 179), (60, 155), (184, 79), (165, 193), (162, 162), (44, 113), (202, 76), (186, 188), (196, 196), (46, 156), (29, 208), (120, 120), (42, 150), (37, 87), (88, 208), (213, 153), (153, 153), (204, 76), (147, 199), (132, 183), (3, 143), (10, 135), (73, 87), (32, 162), (112, 79), (103, 118), (144, 156), (9, 199), (30, 143), (170, 193), (6, 118), (176, 69), (87, 87), (141, 208), (107, 76), (181, 69), (113, 113), (154, 79), (84, 66), (72, 143), (81, 188), (156, 156), (177, 143), (127, 153), (70, 208), (194, 179), (4, 188), (136, 87), (85, 156), (124, 69), (27, 143), (157, 143), (15, 183), (207, 120), (105, 188), (143, 143), (55, 183), (19, 69), (198, 150), (89, 143), (125, 87), (86, 155), (159, 179), (115, 143), (92, 208), (131, 208), (118, 118), (39, 87), (152, 156), (49, 193), (20, 199), (76, 76), (61, 87), (59, 66), (214, 199), (106, 76), (183, 183), (67, 196), (25, 120), (56, 188), (99, 120), (2, 79), (50, 156), (101, 76), (217, 143), (1, 193), (96, 155), (173, 188), (200, 156), (146, 143), (130, 76), (163, 199), (47, 155), (16, 196), (193, 193), (8, 143), (11, 196), (62, 66), (210, 113), (7, 153), (135, 135), (155, 155), (35, 193), (65, 155), (14, 76), (149, 155), (111, 153)] current theta: 0.131050559766 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:43 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45534 rows and 45612 columns Presolve time: 0.06s Presolved: 2647 rows, 2787 columns, 7641 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2787 integer (2787 binary) Root relaxation: cutoff, 79 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 (79 simplex iterations) in 0.06 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 [66, 69, 76, 79, 87, 113, 118, 120, 135, 143, 150, 153, 155, 156, 162, 179, 183, 188, 193, 196, 199, 208] edges [(66, 66), (199, 199), (110, 118), (109, 87), (172, 156), (97, 135), (13, 120), (169, 199), (0, 76), (195, 155), (51, 150), (197, 120), (212, 153), (48, 113), (40, 87), (182, 135), (192, 199), (95, 113), (190, 193), (82, 196), (71, 188), (116, 199), (133, 120), (140, 118), (187, 118), (188, 188), (57, 118), (98, 113), (36, 156), (24, 76), (180, 118), (185, 193), (102, 183), (5, 135), (90, 183), (205, 156), (168, 208), (215, 199), (175, 199), (208, 208), (201, 193), (138, 153), (33, 135), (31, 69), (114, 193), (139, 156), (209, 120), (218, 118), (142, 143), (17, 156), (21, 162), (164, 153), (54, 156), (203, 196), (211, 120), (78, 113), (158, 199), (41, 208), (174, 193), (137, 179), (206, 118), (63, 193), (53, 76), (64, 150), (45, 113), (150, 150), (12, 183), (151, 79), (43, 162), (58, 69), (52, 188), (69, 69), (161, 153), (34, 76), (160, 196), (122, 208), (121, 188), (189, 179), (126, 87), (93, 120), (104, 183), (128, 179), (117, 188), (22, 155), (79, 79), (148, 199), (94, 196), (123, 179), (216, 156), (145, 143), (191, 183), (167, 193), (80, 79), (178, 153), (119, 150), (100, 135), (75, 208), (129, 188), (171, 193), (77, 193), (134, 150), (83, 143), (28, 113), (26, 118), (18, 150), (74, 156), (23, 196), (108, 120), (91, 156), (68, 113), (166, 199), (38, 79), (179, 179), (60, 155), (184, 79), (165, 193), (162, 162), (44, 113), (202, 76), (186, 188), (196, 196), (46, 156), (29, 208), (120, 120), (42, 150), (37, 87), (88, 208), (213, 153), (153, 153), (204, 76), (147, 199), (132, 183), (3, 143), (10, 135), (73, 87), (32, 162), (112, 79), (103, 118), (144, 156), (9, 199), (30, 143), (170, 193), (6, 118), (176, 69), (87, 87), (141, 208), (107, 76), (181, 69), (113, 113), (154, 79), (84, 66), (72, 143), (81, 188), (156, 156), (177, 143), (127, 153), (70, 208), (194, 179), (4, 188), (136, 87), (85, 156), (124, 69), (27, 143), (157, 143), (15, 183), (207, 120), (105, 188), (143, 143), (55, 183), (19, 69), (198, 150), (89, 143), (125, 87), (86, 155), (159, 179), (115, 143), (92, 208), (131, 208), (118, 118), (39, 87), (152, 156), (49, 193), (20, 199), (76, 76), (61, 87), (59, 66), (214, 199), (106, 76), (183, 183), (67, 196), (25, 120), (56, 188), (99, 120), (2, 79), (50, 156), (101, 76), (217, 143), (1, 193), (96, 155), (173, 188), (200, 156), (146, 143), (130, 76), (163, 199), (47, 155), (16, 196), (193, 193), (8, 143), (11, 196), (62, 66), (210, 113), (7, 153), (135, 135), (155, 155), (35, 193), (65, 155), (14, 76), (149, 155), (111, 153)] current theta: 0.130880364234 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:44 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45544 rows and 45623 columns Presolve time: 0.06s Presolved: 2637 rows, 2776 columns, 7610 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2776 integer (2776 binary) Root relaxation: objective 0.000000e+00, 2896 iterations, 0.11 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 (4602 simplex iterations) in 0.23 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 [45, 66, 69, 76, 79, 87, 118, 131, 134, 135, 143, 153, 155, 156, 162, 173, 183, 189, 193, 196, 199, 207] edges [(66, 66), (199, 199), (110, 118), (109, 87), (172, 156), (97, 135), (169, 199), (0, 76), (195, 155), (105, 173), (128, 189), (212, 153), (190, 189), (40, 87), (182, 135), (192, 199), (108, 207), (82, 196), (116, 199), (92, 131), (140, 118), (187, 118), (210, 45), (57, 118), (36, 156), (24, 76), (180, 118), (68, 45), (185, 193), (102, 183), (179, 189), (5, 135), (90, 183), (205, 156), (64, 134), (61, 173), (150, 134), (215, 199), (175, 199), (44, 45), (201, 193), (138, 153), (33, 135), (114, 193), (139, 156), (70, 131), (188, 173), (218, 118), (142, 143), (17, 156), (21, 162), (164, 153), (54, 156), (203, 196), (75, 131), (158, 199), (29, 131), (174, 193), (186, 173), (206, 118), (63, 193), (53, 76), (12, 183), (119, 134), (151, 79), (43, 162), (58, 69), (173, 173), (56, 155), (120, 207), (197, 162), (69, 69), (161, 153), (159, 189), (34, 76), (160, 196), (126, 87), (104, 183), (122, 131), (22, 155), (79, 79), (148, 199), (194, 189), (71, 173), (94, 196), (31, 173), (216, 156), (145, 143), (113, 45), (191, 183), (167, 193), (98, 45), (80, 79), (52, 173), (178, 153), (100, 135), (171, 193), (42, 134), (77, 193), (83, 143), (209, 162), (26, 118), (74, 156), (23, 196), (141, 131), (91, 156), (166, 199), (38, 79), (93, 207), (60, 155), (184, 79), (165, 193), (162, 162), (202, 76), (196, 196), (133, 196), (41, 131), (46, 156), (37, 87), (213, 153), (153, 153), (204, 76), (147, 199), (132, 183), (134, 134), (81, 173), (3, 143), (10, 135), (18, 134), (73, 87), (78, 45), (32, 162), (112, 79), (103, 118), (168, 131), (144, 156), (198, 134), (208, 131), (9, 199), (95, 45), (30, 143), (99, 207), (170, 193), (6, 118), (176, 69), (87, 87), (28, 131), (48, 45), (107, 76), (181, 69), (154, 79), (84, 66), (207, 207), (72, 143), (156, 156), (177, 143), (127, 153), (45, 45), (136, 87), (85, 156), (124, 69), (27, 143), (157, 143), (15, 183), (131, 131), (143, 143), (55, 183), (19, 69), (89, 143), (125, 87), (86, 155), (189, 189), (211, 207), (115, 143), (118, 118), (39, 87), (152, 156), (49, 193), (20, 199), (76, 76), (59, 66), (214, 199), (123, 189), (4, 155), (106, 76), (25, 162), (183, 183), (67, 196), (2, 79), (88, 131), (50, 156), (101, 76), (117, 173), (217, 143), (1, 193), (96, 155), (51, 134), (200, 156), (146, 143), (130, 76), (163, 199), (137, 189), (47, 155), (16, 196), (193, 193), (121, 173), (8, 143), (11, 196), (62, 66), (129, 155), (7, 153), (135, 135), (155, 155), (13, 162), (35, 193), (65, 155), (14, 76), (149, 155), (111, 153)] current theta: 0.130795266468 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:03:44 2014 Optimize a model with 48181 rows, 48399 columns and 144321 nonzeros Presolve removed 45544 rows and 45623 columns Presolve time: 0.06s Presolved: 2637 rows, 2776 columns, 7610 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2776 integer (2776 binary) Root relaxation: cutoff, 80 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 (80 simplex iterations) in 0.06 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 [45, 66, 69, 76, 79, 87, 118, 131, 134, 135, 143, 153, 155, 156, 162, 173, 183, 189, 193, 196, 199, 207] edges [(66, 66), (199, 199), (110, 118), (109, 87), (172, 156), (97, 135), (169, 199), (0, 76), (195, 155), (105, 173), (128, 189), (212, 153), (190, 189), (40, 87), (182, 135), (192, 199), (108, 207), (82, 196), (116, 199), (92, 131), (140, 118), (187, 118), (210, 45), (57, 118), (36, 156), (24, 76), (180, 118), (68, 45), (185, 193), (102, 183), (179, 189), (5, 135), (90, 183), (205, 156), (64, 134), (61, 173), (150, 134), (215, 199), (175, 199), (44, 45), (201, 193), (138, 153), (33, 135), (114, 193), (139, 156), (70, 131), (188, 173), (218, 118), (142, 143), (17, 156), (21, 162), (164, 153), (54, 156), (203, 196), (75, 131), (158, 199), (29, 131), (174, 193), (186, 173), (206, 118), (63, 193), (53, 76), (12, 183), (119, 134), (151, 79), (43, 162), (58, 69), (173, 173), (56, 155), (120, 207), (197, 162), (69, 69), (161, 153), (159, 189), (34, 76), (160, 196), (126, 87), (104, 183), (122, 131), (22, 155), (79, 79), (148, 199), (194, 189), (71, 173), (94, 196), (31, 173), (216, 156), (145, 143), (113, 45), (191, 183), (167, 193), (98, 45), (80, 79), (52, 173), (178, 153), (100, 135), (171, 193), (42, 134), (77, 193), (83, 143), (209, 162), (26, 118), (74, 156), (23, 196), (141, 131), (91, 156), (166, 199), (38, 79), (93, 207), (60, 155), (184, 79), (165, 193), (162, 162), (202, 76), (196, 196), (133, 196), (41, 131), (46, 156), (37, 87), (213, 153), (153, 153), (204, 76), (147, 199), (132, 183), (134, 134), (81, 173), (3, 143), (10, 135), (18, 134), (73, 87), (78, 45), (32, 162), (112, 79), (103, 118), (168, 131), (144, 156), (198, 134), (208, 131), (9, 199), (95, 45), (30, 143), (99, 207), (170, 193), (6, 118), (176, 69), (87, 87), (28, 131), (48, 45), (107, 76), (181, 69), (154, 79), (84, 66), (207, 207), (72, 143), (156, 156), (177, 143), (127, 153), (45, 45), (136, 87), (85, 156), (124, 69), (27, 143), (157, 143), (15, 183), (131, 131), (143, 143), (55, 183), (19, 69), (89, 143), (125, 87), (86, 155), (189, 189), (211, 207), (115, 143), (118, 118), (39, 87), (152, 156), (49, 193), (20, 199), (76, 76), (59, 66), (214, 199), (123, 189), (4, 155), (106, 76), (25, 162), (183, 183), (67, 196), (2, 79), (88, 131), (50, 156), (101, 76), (117, 173), (217, 143), (1, 193), (96, 155), (51, 134), (200, 156), (146, 143), (130, 76), (163, 199), (137, 189), (47, 155), (16, 196), (193, 193), (121, 173), (8, 143), (11, 196), (62, 66), (129, 155), (7, 153), (135, 135), (155, 155), (13, 162), (35, 193), (65, 155), (14, 76), (149, 155), (111, 153)]