current theta: 0.662156481132 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:30 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 19824 rows and 19824 columns Presolve time: 1.58s Presolved: 40447 rows, 40691 columns, 121093 nonzeros Variable types: 0 continuous, 40691 integer (40691 binary) Root relaxation: objective 0.000000e+00, 3279 iterations, 0.17 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 (6275 simplex iterations) in 1.99 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 [8, 40, 43, 46, 49, 61, 63, 95, 102, 122, 125, 135, 139, 159, 178, 182, 184, 187, 190, 192, 208, 221, 223, 236, 241] edges [(174, 223), (55, 159), (244, 241), (188, 223), (65, 159), (93, 241), (218, 190), (202, 159), (126, 46), (158, 95), (86, 159), (34, 125), (98, 223), (35, 159), (106, 40), (120, 241), (68, 178), (75, 190), (40, 241), (225, 102), (5, 159), (105, 159), (189, 241), (210, 49), (207, 61), (8, 95), (213, 159), (162, 241), (208, 95), (38, 241), (87, 241), (111, 40), (99, 61), (97, 159), (108, 40), (156, 241), (164, 178), (170, 241), (221, 241), (81, 241), (228, 122), (13, 159), (212, 223), (195, 49), (90, 241), (242, 139), (163, 159), (178, 159), (160, 61), (80, 241), (117, 208), (222, 223), (159, 159), (166, 241), (26, 241), (43, 159), (52, 125), (203, 208), (169, 159), (135, 46), (82, 61), (85, 241), (29, 139), (149, 46), (2, 241), (32, 184), (157, 241), (176, 40), (21, 241), (101, 159), (154, 241), (89, 49), (73, 208), (171, 159), (168, 190), (198, 178), (12, 241), (197, 159), (193, 40), (214, 61), (118, 187), (223, 49), (167, 159), (45, 43), (139, 159), (204, 241), (14, 159), (201, 125), (186, 159), (9, 241), (24, 208), (229, 159), (113, 49), (130, 208), (19, 208), (78, 159), (133, 139), (123, 241), (116, 241), (132, 223), (69, 208), (140, 178), (209, 159), (220, 159), (114, 241), (194, 40), (235, 159), (83, 159), (241, 241), (59, 241), (165, 159), (71, 159), (134, 241), (183, 192), (137, 241), (46, 46), (94, 46), (11, 159), (22, 159), (51, 241), (72, 49), (192, 208), (74, 241), (232, 159), (4, 208), (125, 135), (7, 159), (79, 40), (88, 241), (44, 187), (92, 182), (84, 159), (161, 159), (67, 159), (217, 95), (236, 241), (234, 125), (180, 159), (64, 159), (128, 61), (39, 241), (17, 182), (141, 241), (172, 241), (199, 159), (42, 241), (28, 187), (60, 159), (233, 241), (191, 241), (231, 63), (184, 241), (30, 159), (33, 241), (152, 208), (173, 223), (238, 159), (243, 241), (10, 159), (131, 159), (41, 241), (27, 241), (127, 125), (62, 190), (107, 241), (121, 178), (6, 159), (77, 208), (181, 139), (56, 187), (70, 223), (142, 241), (185, 241), (138, 159), (20, 159), (155, 241), (216, 46), (124, 46), (206, 223), (0, 159), (146, 122), (18, 159), (215, 208), (148, 159), (226, 159), (54, 159), (25, 241), (91, 122), (103, 159), (205, 241), (23, 241), (196, 159), (110, 43), (153, 159), (49, 139), (76, 159), (61, 135), (66, 241), (150, 241), (102, 159), (239, 159), (136, 190), (219, 241), (109, 190), (47, 102), (16, 40), (53, 241), (58, 125), (50, 184), (104, 159), (230, 159), (119, 241), (3, 63), (145, 135), (112, 241), (211, 135), (31, 40), (15, 241), (187, 139), (224, 122), (237, 241), (177, 159), (48, 241), (122, 241), (147, 241), (179, 190), (1, 159), (36, 190), (200, 241), (227, 159), (182, 43), (37, 178), (240, 241), (190, 241), (151, 135), (143, 61), (57, 102), (175, 159), (100, 241), (115, 159), (95, 40), (144, 139), (63, 46), (96, 63), (129, 178)] current theta: 0.331078240566 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:32 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 45264 rows and 45264 columns Presolve time: 0.34s Presolved: 15007 rows, 15251 columns, 44773 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 15251 integer (15251 binary) Root relaxation: objective 0.000000e+00, 2647 iterations, 0.17 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 (5628 simplex iterations) in 0.75 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 [0, 26, 27, 41, 43, 50, 62, 70, 75, 128, 130, 156, 159, 164, 169, 176, 177, 180, 182, 200, 208, 219, 224, 233, 237] edges [(160, 200), (134, 50), (96, 208), (2, 200), (168, 224), (65, 159), (88, 224), (234, 0), (202, 159), (64, 75), (201, 128), (149, 130), (81, 156), (92, 75), (203, 70), (29, 128), (26, 237), (150, 26), (132, 75), (48, 219), (129, 26), (15, 41), (78, 233), (98, 75), (174, 200), (133, 237), (13, 75), (212, 130), (235, 156), (238, 26), (87, 233), (135, 130), (145, 224), (175, 26), (34, 75), (46, 41), (62, 164), (164, 159), (186, 26), (45, 75), (71, 233), (213, 130), (211, 159), (121, 237), (222, 224), (156, 26), (32, 41), (226, 164), (44, 128), (80, 41), (38, 237), (231, 41), (154, 200), (124, 224), (117, 237), (220, 164), (187, 130), (125, 130), (205, 237), (217, 200), (103, 75), (140, 169), (200, 219), (130, 130), (118, 237), (194, 130), (37, 41), (17, 0), (31, 27), (232, 75), (166, 219), (112, 233), (228, 200), (209, 237), (4, 224), (183, 200), (18, 219), (70, 224), (27, 219), (57, 130), (223, 130), (152, 128), (221, 237), (207, 70), (198, 26), (115, 26), (19, 75), (59, 26), (47, 75), (101, 164), (167, 180), (35, 237), (72, 130), (76, 233), (158, 130), (106, 224), (225, 237), (239, 75), (10, 130), (176, 208), (136, 224), (241, 233), (155, 233), (73, 130), (52, 128), (85, 26), (94, 200), (11, 237), (7, 159), (86, 237), (242, 128), (120, 200), (102, 75), (161, 159), (185, 41), (184, 233), (99, 128), (41, 26), (123, 26), (23, 200), (114, 219), (180, 159), (179, 219), (53, 237), (89, 128), (122, 26), (21, 219), (63, 130), (14, 41), (236, 237), (109, 130), (113, 128), (159, 169), (190, 219), (169, 164), (0, 164), (126, 75), (197, 233), (77, 219), (68, 237), (42, 26), (9, 237), (82, 75), (193, 70), (93, 26), (111, 224), (146, 224), (230, 208), (162, 50), (182, 164), (237, 26), (131, 237), (12, 26), (172, 233), (177, 164), (24, 128), (240, 41), (3, 130), (165, 62), (138, 182), (91, 224), (151, 128), (8, 27), (16, 224), (127, 130), (244, 224), (157, 219), (5, 164), (74, 219), (79, 233), (55, 75), (137, 237), (51, 224), (84, 62), (83, 237), (218, 128), (25, 237), (107, 219), (196, 233), (216, 130), (105, 41), (128, 176), (139, 75), (6, 27), (108, 75), (215, 159), (199, 237), (219, 224), (143, 62), (206, 75), (233, 233), (49, 130), (36, 130), (33, 41), (188, 75), (56, 75), (142, 219), (148, 237), (40, 156), (90, 41), (224, 200), (67, 75), (50, 233), (141, 237), (66, 219), (95, 224), (100, 224), (192, 224), (43, 164), (178, 233), (214, 75), (144, 130), (163, 156), (243, 27), (110, 75), (54, 75), (189, 219), (30, 169), (28, 176), (104, 169), (22, 164), (116, 233), (39, 224), (208, 128), (75, 75), (58, 75), (195, 128), (229, 75), (173, 75), (97, 177), (191, 224), (227, 159), (20, 164), (147, 26), (60, 164), (1, 169), (210, 176), (119, 224), (170, 50), (61, 70), (69, 237), (181, 176), (171, 156), (204, 237), (153, 26)] current theta: 0.165539120283 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:33 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 55378 rows and 55383 columns Presolve time: 0.12s Presolved: 4893 rows, 5132 columns, 14426 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5132 integer (5132 binary) Root relaxation: objective 0.000000e+00, 2715 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 (4166 simplex iterations) in 0.25 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 [90, 115, 118, 133, 135, 140, 144, 146, 148, 152, 164, 166, 167, 168, 186, 219, 222, 223, 228, 231, 234, 239, 241, 242, 244] edges [(12, 90), (68, 231), (53, 219), (108, 234), (225, 148), (37, 133), (31, 228), (86, 148), (234, 234), (79, 241), (110, 239), (197, 167), (159, 140), (41, 90), (222, 242), (175, 167), (186, 115), (183, 228), (48, 219), (122, 90), (40, 166), (124, 244), (162, 241), (204, 166), (210, 135), (28, 144), (170, 241), (77, 152), (88, 244), (94, 228), (78, 133), (67, 239), (120, 244), (93, 90), (32, 133), (233, 115), (115, 115), (227, 234), (231, 231), (202, 140), (125, 144), (98, 239), (74, 90), (13, 239), (102, 223), (180, 164), (63, 135), (196, 186), (220, 164), (106, 244), (101, 115), (14, 231), (112, 90), (73, 234), (107, 244), (3, 223), (215, 234), (223, 223), (92, 239), (236, 166), (153, 166), (45, 223), (131, 167), (152, 228), (138, 234), (199, 167), (235, 167), (105, 166), (143, 234), (205, 231), (185, 244), (237, 166), (47, 223), (127, 135), (212, 135), (224, 244), (95, 146), (1, 164), (221, 244), (7, 140), (181, 242), (132, 223), (160, 152), (219, 219), (50, 241), (241, 241), (238, 166), (111, 244), (24, 168), (69, 231), (38, 133), (52, 242), (168, 242), (201, 168), (49, 135), (89, 242), (51, 219), (85, 244), (139, 239), (18, 133), (177, 140), (10, 239), (97, 118), (99, 242), (150, 166), (103, 239), (114, 219), (228, 228), (211, 234), (239, 239), (165, 239), (123, 133), (116, 133), (84, 167), (147, 90), (178, 133), (184, 241), (146, 228), (70, 242), (193, 242), (190, 219), (80, 219), (46, 148), (169, 164), (208, 168), (0, 164), (182, 164), (163, 115), (8, 231), (54, 223), (58, 223), (148, 148), (214, 144), (157, 219), (144, 135), (64, 239), (244, 244), (164, 164), (56, 234), (213, 239), (16, 228), (136, 228), (71, 115), (9, 166), (242, 242), (134, 90), (39, 219), (155, 241), (65, 140), (33, 219), (145, 231), (117, 231), (96, 144), (171, 239), (207, 146), (173, 239), (91, 244), (19, 223), (176, 242), (137, 133), (156, 166), (200, 244), (75, 239), (230, 239), (142, 244), (35, 148), (126, 239), (140, 140), (72, 144), (133, 133), (61, 222), (90, 166), (104, 164), (149, 135), (81, 115), (218, 222), (192, 152), (158, 144), (151, 242), (167, 167), (100, 219), (5, 234), (66, 219), (203, 168), (174, 168), (240, 166), (243, 166), (29, 242), (226, 140), (191, 219), (172, 90), (43, 164), (161, 234), (187, 144), (189, 166), (62, 140), (209, 231), (82, 234), (60, 234), (166, 90), (44, 222), (232, 239), (34, 144), (128, 222), (113, 242), (217, 222), (76, 115), (129, 166), (194, 239), (216, 234), (22, 164), (26, 90), (130, 144), (15, 166), (179, 244), (36, 239), (21, 90), (206, 234), (25, 166), (2, 244), (118, 148), (11, 186), (188, 144), (119, 228), (6, 148), (59, 90), (121, 231), (23, 244), (55, 135), (154, 244), (30, 140), (87, 90), (20, 164), (229, 239), (4, 168), (83, 133), (17, 234), (135, 135), (195, 242), (42, 90), (141, 90), (57, 135), (27, 231), (109, 242), (198, 241)] current theta: 0.0827695601415 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:34 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 58620 rows and 58852 columns Presolve time: 0.06s Presolved: 1651 rows, 1663 columns, 4479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1663 integer (1662 binary) Root relaxation: cutoff, 1909 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 (1909 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: 0.124154340212 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:34 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57250 rows and 57332 columns Presolve time: 0.07s Presolved: 3021 rows, 3183 columns, 8733 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3183 integer (3183 binary) Root relaxation: objective 0.000000e+00, 3097 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 (4719 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 [47, 49, 62, 66, 76, 78, 91, 97, 109, 128, 131, 144, 152, 172, 180, 189, 198, 202, 218, 219, 221, 231, 232, 234, 240] edges [(66, 66), (68, 231), (108, 234), (207, 152), (13, 232), (77, 218), (159, 202), (52, 109), (234, 234), (156, 240), (48, 219), (213, 47), (146, 152), (141, 189), (200, 91), (185, 221), (5, 202), (35, 131), (228, 91), (151, 109), (106, 218), (74, 172), (19, 47), (6, 232), (212, 49), (103, 232), (41, 240), (15, 240), (198, 198), (237, 240), (10, 47), (36, 232), (4, 128), (231, 231), (44, 128), (37, 198), (47, 47), (54, 47), (49, 49), (14, 231), (204, 240), (129, 189), (71, 78), (125, 49), (215, 234), (9, 172), (28, 109), (45, 47), (210, 144), (166, 240), (236, 240), (84, 131), (239, 232), (163, 76), (138, 234), (225, 97), (39, 66), (104, 180), (143, 234), (205, 231), (109, 109), (132, 47), (16, 91), (242, 109), (188, 49), (90, 172), (203, 152), (179, 91), (88, 221), (180, 180), (244, 221), (79, 198), (160, 152), (238, 189), (220, 180), (102, 47), (67, 232), (197, 131), (58, 49), (124, 218), (133, 189), (165, 232), (171, 232), (69, 231), (25, 189), (186, 78), (2, 221), (22, 202), (170, 198), (158, 109), (113, 231), (126, 234), (118, 97), (173, 234), (147, 240), (93, 172), (193, 109), (7, 202), (38, 189), (227, 97), (70, 218), (120, 221), (211, 234), (112, 172), (150, 240), (184, 198), (196, 76), (97, 97), (86, 231), (181, 109), (30, 97), (116, 198), (235, 131), (190, 219), (53, 172), (183, 91), (153, 240), (230, 232), (154, 221), (177, 202), (1, 202), (60, 202), (226, 62), (139, 232), (128, 128), (114, 66), (8, 231), (65, 180), (229, 47), (11, 131), (135, 144), (51, 66), (140, 62), (12, 172), (26, 189), (148, 131), (152, 152), (87, 240), (61, 128), (46, 97), (56, 234), (95, 152), (194, 232), (29, 109), (33, 219), (145, 231), (0, 202), (107, 219), (115, 78), (117, 231), (167, 62), (174, 218), (199, 131), (240, 240), (50, 198), (31, 91), (21, 66), (43, 180), (80, 172), (219, 66), (214, 109), (149, 144), (20, 202), (155, 198), (187, 49), (157, 172), (23, 91), (72, 144), (85, 219), (73, 47), (91, 91), (202, 202), (221, 221), (78, 78), (119, 91), (59, 198), (96, 109), (182, 180), (192, 152), (57, 49), (142, 219), (110, 47), (111, 91), (164, 180), (62, 62), (89, 109), (218, 218), (100, 219), (123, 78), (131, 131), (175, 131), (134, 172), (40, 240), (99, 109), (24, 152), (136, 91), (75, 47), (64, 232), (243, 240), (191, 219), (189, 189), (162, 198), (63, 144), (217, 218), (209, 231), (76, 76), (224, 91), (222, 218), (82, 234), (172, 172), (55, 144), (34, 144), (94, 152), (144, 144), (101, 76), (105, 240), (168, 128), (130, 144), (208, 128), (206, 234), (92, 234), (195, 128), (81, 76), (216, 47), (98, 47), (18, 189), (161, 202), (169, 180), (176, 109), (137, 78), (121, 231), (127, 144), (233, 78), (122, 172), (17, 234), (201, 152), (223, 47), (232, 232), (83, 189), (178, 78), (32, 198), (27, 231), (42, 189), (241, 198), (3, 47)] current theta: 0.103461950177 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:35 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57974 rows and 58139 columns Presolve time: 0.06s Presolved: 2297 rows, 2376 columns, 6478 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2376 integer (2376 binary) Root relaxation: cutoff, 2699 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 (2699 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: 0.113808145195 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:35 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57638 rows and 57758 columns Presolve time: 0.07s Presolved: 2633 rows, 2757 columns, 7531 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2757 integer (2757 binary) Root relaxation: cutoff, 3304 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 (3304 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.118981242703 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:35 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57446 rows and 57547 columns Presolve time: 0.07s Presolved: 2825 rows, 2968 columns, 8126 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2968 integer (2968 binary) Root relaxation: cutoff, 3533 iterations, 0.14 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 (3533 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.121567791458 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:36 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57352 rows and 57445 columns Presolve time: 0.07s Presolved: 2919 rows, 3070 columns, 8416 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3070 integer (3070 binary) Root relaxation: cutoff, 3400 iterations, 0.14 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 (3400 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122861065835 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:36 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57296 rows and 57382 columns Presolve time: 0.07s Presolved: 2975 rows, 3133 columns, 8591 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3133 integer (3133 binary) Root relaxation: objective 9.947598e-14, 3592 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 (5611 simplex iterations) in 0.30 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, 40, 47, 49, 50, 65, 66, 76, 91, 97, 100, 109, 128, 133, 144, 148, 152, 167, 172, 205, 218, 231, 232, 234, 238] edges [(66, 66), (68, 231), (191, 66), (108, 234), (207, 152), (13, 232), (33, 40), (225, 148), (65, 65), (77, 218), (37, 133), (52, 109), (234, 234), (50, 50), (79, 50), (175, 167), (120, 100), (180, 65), (213, 47), (146, 152), (200, 91), (228, 91), (151, 109), (238, 238), (106, 218), (74, 172), (19, 47), (6, 232), (7, 20), (16, 152), (212, 49), (103, 232), (198, 50), (78, 133), (127, 49), (221, 205), (87, 40), (169, 65), (32, 133), (115, 76), (10, 47), (36, 232), (227, 234), (4, 128), (231, 231), (48, 66), (235, 148), (243, 40), (190, 40), (44, 128), (47, 47), (54, 47), (49, 49), (26, 172), (184, 50), (156, 40), (125, 49), (215, 234), (166, 40), (9, 172), (28, 109), (45, 47), (210, 144), (239, 232), (163, 76), (138, 234), (39, 66), (199, 167), (143, 234), (42, 172), (205, 231), (109, 109), (132, 47), (242, 109), (83, 238), (90, 172), (203, 152), (179, 91), (240, 40), (15, 40), (35, 40), (129, 172), (160, 152), (102, 47), (67, 232), (58, 49), (124, 218), (220, 65), (204, 40), (165, 232), (171, 232), (69, 231), (38, 133), (142, 100), (25, 238), (158, 109), (113, 231), (154, 205), (85, 100), (126, 234), (173, 234), (93, 172), (193, 109), (141, 172), (70, 218), (14, 148), (211, 234), (112, 172), (178, 76), (123, 133), (196, 76), (97, 97), (86, 231), (116, 133), (107, 100), (181, 109), (84, 167), (30, 97), (53, 172), (183, 91), (43, 65), (230, 232), (233, 133), (162, 50), (139, 232), (128, 128), (147, 40), (62, 167), (114, 66), (131, 148), (8, 231), (229, 47), (135, 144), (51, 66), (148, 148), (12, 172), (152, 152), (61, 128), (46, 97), (56, 234), (20, 20), (95, 152), (194, 232), (29, 109), (145, 231), (117, 231), (159, 20), (164, 65), (174, 218), (11, 238), (31, 91), (21, 66), (80, 172), (219, 66), (214, 109), (149, 144), (137, 133), (122, 50), (150, 40), (187, 49), (157, 172), (71, 76), (88, 100), (23, 91), (72, 144), (73, 47), (182, 20), (91, 91), (133, 133), (55, 47), (244, 100), (119, 91), (40, 40), (96, 109), (192, 152), (57, 49), (236, 238), (110, 47), (111, 91), (89, 109), (218, 218), (167, 167), (185, 205), (5, 234), (197, 238), (134, 172), (202, 20), (99, 109), (24, 152), (136, 91), (75, 47), (189, 238), (64, 232), (0, 20), (241, 50), (161, 234), (63, 144), (41, 40), (217, 218), (209, 231), (100, 100), (76, 76), (155, 50), (224, 91), (222, 218), (82, 234), (172, 172), (18, 238), (140, 20), (59, 172), (34, 144), (94, 152), (226, 20), (144, 144), (101, 76), (168, 128), (130, 144), (22, 20), (208, 128), (206, 234), (186, 76), (104, 65), (92, 234), (1, 20), (195, 128), (81, 76), (216, 47), (98, 47), (118, 148), (2, 100), (188, 144), (176, 109), (121, 231), (237, 40), (105, 40), (17, 234), (201, 152), (153, 148), (60, 20), (170, 50), (223, 47), (232, 232), (177, 20), (27, 231), (3, 47)] current theta: 0.122214428646 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:37 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57326 rows and 57418 columns Presolve time: 0.07s Presolved: 2945 rows, 3097 columns, 8495 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3097 integer (3097 binary) Root relaxation: cutoff, 3536 iterations, 0.16 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 (3536 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122537747241 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:37 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57318 rows and 57410 columns Presolve time: 0.07s Presolved: 2953 rows, 3105 columns, 8519 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3105 integer (3105 binary) Root relaxation: cutoff, 3665 iterations, 0.16 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 (3665 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122699406538 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:37 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57308 rows and 57397 columns Presolve time: 0.07s Presolved: 2963 rows, 3118 columns, 8552 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3118 integer (3118 binary) Root relaxation: cutoff, 3984 iterations, 0.17 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 (3984 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122780236187 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:56:38 2014 Optimize a model with 60271 rows, 60515 columns and 180565 nonzeros Presolve removed 57304 rows and 57392 columns Presolve time: 0.07s Presolved: 2967 rows, 3123 columns, 8565 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3123 integer (3123 binary) Root relaxation: cutoff, 3724 iterations, 0.16 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 (3724 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -