current theta: 0.681883190503 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:43 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 14516 rows and 14516 columns Presolve time: 1.30s Presolved: 38155 rows, 38383 columns, 114233 nonzeros Variable types: 0 continuous, 38383 integer (38383 binary) Root relaxation: objective 0.000000e+00, 2306 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% - 1s Explored 0 nodes (4524 simplex iterations) in 1.43 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 [2, 11, 16, 23, 27, 37, 54, 68, 69, 73, 91, 99, 115, 135, 136, 162, 177, 190, 215, 217, 224, 225, 226] edges [(142, 226), (115, 215), (135, 226), (178, 225), (197, 225), (228, 226), (144, 225), (89, 217), (199, 226), (85, 225), (35, 226), (181, 217), (218, 225), (57, 225), (209, 226), (107, 225), (21, 225), (183, 224), (210, 226), (97, 226), (182, 226), (128, 225), (226, 226), (104, 224), (213, 225), (184, 224), (16, 226), (202, 224), (88, 226), (153, 225), (190, 226), (64, 225), (75, 225), (73, 226), (162, 226), (5, 215), (112, 224), (227, 225), (6, 224), (123, 225), (33, 217), (96, 226), (90, 226), (110, 224), (198, 226), (69, 224), (11, 224), (186, 224), (221, 224), (32, 226), (26, 226), (114, 224), (45, 224), (175, 224), (7, 226), (71, 226), (58, 226), (72, 226), (219, 226), (161, 226), (95, 225), (137, 226), (77, 217), (160, 224), (22, 224), (200, 226), (168, 225), (155, 226), (126, 215), (25, 226), (4, 224), (166, 225), (65, 226), (154, 226), (133, 224), (83, 226), (13, 225), (108, 224), (113, 226), (70, 225), (217, 226), (196, 224), (94, 225), (36, 225), (1, 226), (62, 226), (163, 225), (211, 224), (172, 224), (63, 226), (67, 225), (156, 226), (51, 225), (121, 224), (53, 224), (12, 225), (224, 225), (37, 217), (102, 226), (131, 225), (54, 224), (170, 224), (2, 217), (86, 224), (225, 225), (204, 225), (117, 226), (14, 224), (38, 226), (0, 226), (52, 224), (9, 225), (193, 224), (116, 225), (59, 224), (125, 226), (46, 225), (188, 224), (167, 226), (122, 224), (132, 224), (139, 224), (118, 226), (68, 225), (120, 226), (136, 226), (17, 224), (80, 226), (208, 226), (187, 224), (216, 225), (56, 226), (146, 224), (44, 225), (23, 225), (31, 226), (30, 217), (152, 225), (223, 226), (150, 225), (176, 217), (93, 226), (207, 226), (164, 226), (140, 224), (222, 226), (106, 225), (180, 224), (159, 226), (100, 226), (50, 224), (220, 224), (169, 226), (158, 226), (47, 226), (148, 226), (212, 225), (82, 225), (91, 226), (179, 224), (79, 224), (101, 225), (195, 224), (147, 224), (15, 225), (215, 226), (174, 226), (134, 226), (99, 224), (55, 225), (18, 225), (201, 224), (105, 224), (143, 224), (189, 225), (28, 226), (8, 224), (206, 226), (48, 224), (177, 215), (92, 225), (27, 217), (3, 215), (76, 224), (151, 224), (74, 226), (127, 224), (98, 225), (214, 226), (203, 224), (61, 224), (192, 224), (109, 224), (165, 226), (66, 225), (34, 225), (205, 225), (24, 224), (87, 226), (41, 226), (130, 224), (43, 226), (141, 225), (39, 224), (10, 224), (157, 224), (149, 226), (20, 226), (29, 225), (191, 224), (49, 226), (60, 226), (185, 224), (40, 224), (111, 225), (129, 224), (84, 224), (119, 224), (103, 226), (171, 226), (42, 225), (19, 226), (78, 226), (194, 226), (138, 225), (145, 217), (124, 224), (173, 224), (81, 226)] current theta: 0.340941595251 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:44 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 38318 rows and 38318 columns Presolve time: 0.32s Presolved: 14353 rows, 14581 columns, 42827 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 14581 integer (14581 binary) Root relaxation: objective 0.000000e+00, 2634 iterations, 0.18 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 (4855 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [11, 33, 34, 58, 62, 63, 73, 79, 114, 135, 136, 177, 179, 182, 195, 199, 208, 210, 211, 214, 216, 218, 226] edges [(78, 218), (142, 226), (82, 218), (188, 226), (62, 210), (196, 62), (32, 218), (228, 226), (222, 62), (98, 216), (66, 218), (18, 218), (146, 226), (35, 226), (153, 114), (69, 182), (57, 218), (176, 114), (116, 199), (117, 182), (75, 34), (151, 114), (110, 216), (226, 226), (148, 34), (168, 199), (61, 182), (102, 34), (54, 226), (10, 114), (51, 216), (190, 226), (193, 182), (46, 216), (134, 34), (50, 216), (144, 34), (96, 226), (90, 226), (220, 226), (118, 62), (113, 208), (37, 114), (177, 136), (41, 62), (189, 114), (131, 216), (95, 218), (16, 62), (171, 199), (104, 226), (212, 34), (179, 226), (93, 62), (185, 199), (7, 226), (80, 33), (120, 218), (161, 226), (150, 34), (22, 33), (21, 216), (198, 34), (27, 199), (111, 216), (17, 62), (8, 226), (155, 226), (94, 216), (184, 226), (143, 199), (81, 182), (44, 62), (170, 226), (213, 216), (112, 199), (70, 62), (127, 226), (119, 216), (172, 34), (124, 136), (42, 34), (53, 226), (187, 216), (6, 218), (126, 114), (55, 216), (138, 216), (130, 226), (34, 114), (181, 114), (63, 114), (24, 226), (204, 114), (92, 216), (199, 34), (205, 11), (107, 216), (39, 135), (115, 114), (1, 199), (108, 62), (122, 216), (129, 226), (178, 216), (100, 136), (123, 199), (0, 226), (38, 114), (101, 226), (40, 114), (225, 216), (125, 226), (145, 33), (192, 226), (99, 216), (197, 216), (167, 226), (15, 114), (132, 226), (9, 182), (85, 34), (160, 218), (182, 33), (28, 218), (29, 216), (163, 34), (210, 208), (208, 226), (56, 226), (13, 216), (76, 216), (83, 58), (19, 182), (31, 114), (84, 218), (136, 136), (183, 226), (65, 114), (86, 199), (30, 114), (223, 226), (60, 182), (71, 34), (164, 226), (45, 216), (227, 62), (12, 216), (105, 226), (173, 33), (159, 199), (114, 199), (23, 62), (157, 136), (224, 226), (58, 58), (169, 226), (97, 136), (47, 226), (11, 216), (147, 226), (140, 218), (221, 226), (91, 226), (201, 199), (5, 114), (215, 226), (209, 208), (48, 218), (202, 34), (72, 58), (73, 214), (137, 199), (175, 226), (36, 62), (152, 216), (139, 216), (180, 62), (88, 34), (174, 114), (59, 218), (186, 114), (206, 62), (156, 218), (2, 199), (74, 226), (216, 216), (4, 226), (121, 182), (135, 136), (217, 58), (214, 226), (219, 34), (79, 226), (195, 226), (87, 135), (166, 182), (207, 62), (154, 182), (203, 218), (109, 226), (89, 182), (218, 62), (106, 114), (33, 182), (191, 195), (149, 226), (67, 210), (141, 34), (20, 226), (14, 226), (211, 216), (49, 226), (77, 199), (162, 218), (103, 218), (3, 199), (52, 226), (158, 34), (133, 62), (43, 218), (200, 218), (25, 62), (165, 114), (194, 226), (64, 34), (26, 62), (68, 218), (128, 199)] current theta: 0.170470797626 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:45 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 48262 rows and 48275 columns Presolve time: 0.10s Presolved: 4409 rows, 4624 columns, 12982 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4624 integer (4624 binary) Root relaxation: objective 0.000000e+00, 2835 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 (5112 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 [31, 79, 89, 95, 100, 103, 110, 119, 122, 144, 146, 153, 159, 160, 167, 172, 201, 213, 218, 221, 222, 224, 228] edges [(179, 221), (206, 218), (39, 100), (65, 159), (33, 89), (9, 159), (16, 160), (196, 222), (66, 218), (35, 159), (165, 31), (120, 160), (183, 228), (212, 153), (18, 144), (80, 201), (34, 153), (1, 31), (142, 146), (164, 172), (46, 122), (125, 146), (98, 110), (88, 144), (56, 228), (171, 31), (15, 201), (140, 160), (132, 221), (119, 213), (32, 172), (96, 159), (139, 122), (23, 218), (114, 201), (163, 201), (17, 222), (68, 103), (210, 222), (8, 167), (3, 89), (92, 213), (215, 153), (121, 31), (89, 89), (26, 160), (6, 95), (22, 201), (41, 172), (209, 222), (40, 146), (223, 146), (84, 95), (216, 122), (141, 103), (117, 31), (202, 153), (178, 213), (175, 228), (94, 95), (31, 31), (53, 221), (152, 122), (180, 160), (101, 159), (149, 79), (37, 89), (49, 228), (220, 221), (102, 153), (113, 160), (201, 201), (174, 31), (75, 144), (129, 146), (106, 153), (14, 159), (85, 224), (135, 100), (189, 153), (154, 31), (47, 79), (226, 228), (86, 201), (69, 31), (104, 228), (61, 89), (192, 146), (5, 89), (122, 122), (170, 167), (172, 224), (186, 31), (70, 103), (82, 95), (63, 89), (151, 159), (205, 213), (67, 160), (182, 31), (156, 144), (208, 221), (13, 103), (81, 31), (136, 100), (77, 89), (207, 222), (195, 146), (168, 213), (176, 89), (200, 103), (87, 146), (190, 228), (148, 201), (228, 228), (144, 224), (73, 167), (138, 213), (184, 167), (74, 221), (161, 221), (55, 119), (11, 110), (4, 146), (123, 153), (105, 167), (107, 213), (103, 103), (36, 172), (185, 201), (224, 144), (99, 110), (2, 89), (12, 119), (29, 122), (137, 153), (58, 31), (198, 153), (146, 146), (153, 153), (116, 201), (57, 95), (109, 100), (78, 103), (197, 110), (54, 221), (160, 160), (108, 222), (38, 159), (213, 213), (211, 110), (60, 31), (159, 153), (162, 224), (79, 167), (199, 201), (90, 228), (21, 103), (50, 119), (7, 228), (59, 95), (20, 167), (10, 31), (188, 79), (219, 224), (169, 79), (173, 201), (221, 221), (166, 159), (222, 160), (48, 218), (30, 89), (72, 31), (143, 31), (157, 100), (127, 228), (131, 213), (218, 218), (167, 167), (150, 144), (124, 100), (97, 100), (155, 228), (111, 213), (158, 201), (43, 103), (28, 103), (25, 222), (204, 159), (51, 213), (76, 119), (130, 228), (203, 218), (100, 100), (44, 222), (194, 228), (24, 159), (71, 201), (187, 110), (128, 159), (217, 31), (191, 228), (214, 79), (64, 224), (52, 167), (147, 167), (118, 222), (95, 95), (62, 160), (126, 89), (91, 172), (110, 110), (112, 31), (83, 89), (27, 89), (42, 144), (93, 222), (193, 31), (19, 31), (0, 228), (45, 95), (134, 144), (133, 222), (145, 89), (225, 110), (177, 100), (181, 89), (227, 160), (115, 89)] current theta: 0.0852353988128 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:46 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 51194 rows and 51413 columns Presolve time: 0.05s Presolved: 1477 rows, 1486 columns, 3984 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1486 integer (1485 binary) Root relaxation: cutoff, 1683 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (1683 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.127853098219 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:46 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49980 rows and 50068 columns Presolve time: 0.06s Presolved: 2691 rows, 2831 columns, 7753 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2831 integer (2831 binary) Root relaxation: objective 0.000000e+00, 3061 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 178 - 0.00000 - - 0s 0 0 0.00000 0 242 - 0.00000 - - 0s 0 0 0.00000 0 64 - 0.00000 - - 0s 0 0 0.00000 0 62 - 0.00000 - - 0s 0 0 0.00000 0 62 - 0.00000 - - 0s 0 0 0.00000 0 62 - 0.00000 - - 0s 0 0 0.00000 0 85 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 2 0.00000 0 202 - 0.00000 - - 1s Cutting planes: Zero half: 5 Explored 11 nodes (35996 simplex iterations) in 1.16 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.149161947922 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:47 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49174 rows and 49211 columns Presolve time: 0.08s Presolved: 3497 rows, 3688 columns, 10222 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3688 integer (3688 binary) Root relaxation: objective 0.000000e+00, 3348 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 (5220 simplex iterations) in 0.29 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 [4, 15, 37, 44, 48, 72, 89, 100, 110, 125, 132, 140, 147, 153, 154, 160, 200, 201, 205, 213, 216, 224, 228] edges [(192, 228), (105, 125), (35, 4), (28, 200), (111, 15), (57, 48), (39, 100), (120, 44), (55, 15), (33, 89), (88, 224), (16, 160), (82, 48), (98, 216), (183, 228), (214, 147), (212, 153), (83, 72), (76, 15), (80, 201), (127, 132), (34, 153), (112, 154), (123, 213), (84, 48), (45, 110), (140, 160), (119, 213), (180, 44), (89, 37), (1, 154), (114, 201), (163, 201), (165, 154), (51, 216), (224, 224), (46, 216), (141, 224), (42, 213), (3, 89), (52, 125), (58, 72), (215, 153), (50, 216), (59, 48), (206, 48), (178, 213), (95, 205), (203, 48), (103, 200), (81, 125), (154, 154), (37, 89), (49, 228), (102, 153), (134, 224), (9, 154), (217, 154), (142, 4), (201, 201), (53, 228), (210, 140), (38, 4), (106, 153), (60, 154), (173, 89), (85, 224), (121, 154), (170, 147), (135, 100), (189, 153), (113, 140), (199, 15), (174, 4), (193, 154), (79, 147), (19, 154), (104, 228), (184, 147), (175, 4), (5, 89), (204, 153), (218, 48), (148, 154), (172, 224), (26, 44), (48, 48), (63, 201), (17, 140), (167, 147), (25, 160), (92, 216), (87, 125), (146, 125), (13, 205), (136, 100), (78, 48), (122, 216), (14, 228), (166, 154), (40, 72), (168, 213), (179, 132), (176, 89), (171, 154), (24, 4), (190, 228), (23, 200), (228, 228), (22, 89), (41, 132), (144, 224), (220, 132), (65, 153), (150, 213), (138, 213), (116, 15), (77, 201), (207, 160), (56, 4), (169, 147), (86, 15), (129, 4), (66, 44), (29, 216), (107, 213), (151, 4), (125, 125), (128, 153), (185, 201), (156, 200), (132, 132), (31, 72), (99, 110), (10, 72), (43, 200), (137, 153), (200, 200), (198, 153), (91, 224), (20, 147), (68, 200), (153, 153), (109, 100), (197, 110), (145, 201), (160, 160), (8, 100), (213, 213), (72, 72), (211, 110), (159, 153), (162, 224), (90, 228), (7, 228), (11, 216), (118, 140), (18, 200), (188, 147), (69, 72), (219, 224), (222, 160), (133, 160), (93, 140), (131, 205), (2, 37), (196, 160), (6, 48), (157, 100), (152, 216), (139, 216), (205, 205), (70, 200), (101, 153), (124, 100), (97, 100), (216, 216), (155, 228), (226, 147), (158, 201), (54, 132), (147, 147), (209, 44), (94, 110), (75, 224), (21, 205), (195, 4), (15, 15), (96, 4), (130, 228), (67, 44), (100, 100), (47, 147), (74, 224), (73, 100), (36, 200), (108, 160), (181, 37), (194, 228), (71, 201), (187, 110), (191, 228), (64, 224), (221, 132), (182, 72), (164, 132), (62, 160), (126, 89), (149, 147), (117, 154), (223, 4), (110, 110), (44, 44), (208, 132), (202, 4), (12, 15), (27, 89), (32, 44), (161, 228), (61, 154), (0, 228), (186, 154), (143, 72), (4, 4), (225, 110), (177, 100), (30, 37), (227, 160), (115, 89)] current theta: 0.138507523071 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:48 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49570 rows and 49623 columns Presolve time: 0.07s Presolved: 3101 rows, 3276 columns, 9018 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3276 integer (3276 binary) Root relaxation: objective 0.000000e+00, 3066 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 (5119 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 [15, 22, 31, 41, 42, 57, 66, 69, 89, 100, 101, 108, 109, 111, 130, 141, 147, 148, 191, 195, 197, 216, 222] edges [(66, 66), (195, 195), (45, 197), (185, 22), (55, 15), (52, 109), (32, 191), (33, 89), (192, 195), (196, 222), (168, 42), (165, 31), (214, 147), (87, 69), (76, 15), (102, 42), (13, 42), (202, 101), (1, 31), (166, 148), (83, 31), (189, 148), (144, 141), (171, 31), (99, 197), (28, 141), (70, 141), (215, 101), (17, 222), (51, 216), (11, 197), (219, 141), (105, 109), (46, 216), (174, 69), (3, 89), (50, 216), (121, 31), (89, 89), (209, 222), (225, 197), (161, 191), (114, 148), (150, 42), (110, 197), (198, 42), (151, 195), (117, 31), (64, 191), (153, 101), (90, 191), (175, 195), (82, 57), (31, 31), (130, 191), (71, 148), (204, 101), (37, 89), (201, 22), (62, 222), (68, 141), (194, 195), (119, 111), (7, 101), (211, 197), (187, 197), (173, 89), (170, 147), (135, 100), (154, 31), (200, 141), (155, 195), (58, 69), (120, 222), (79, 147), (184, 147), (61, 89), (134, 141), (69, 69), (5, 89), (91, 191), (138, 111), (18, 141), (96, 195), (4, 195), (85, 141), (167, 147), (92, 216), (182, 31), (206, 66), (145, 22), (125, 109), (218, 66), (42, 42), (38, 195), (84, 57), (2, 22), (222, 222), (16, 108), (88, 141), (136, 100), (186, 148), (122, 216), (207, 222), (156, 141), (129, 195), (176, 89), (103, 141), (63, 22), (97, 109), (22, 89), (213, 111), (98, 197), (197, 216), (172, 191), (191, 191), (35, 195), (212, 101), (104, 195), (36, 141), (116, 15), (178, 111), (169, 147), (205, 197), (127, 191), (56, 195), (86, 15), (29, 216), (142, 195), (48, 57), (128, 42), (160, 222), (41, 41), (223, 195), (220, 41), (146, 195), (148, 148), (20, 147), (123, 42), (109, 100), (180, 222), (108, 222), (224, 141), (94, 197), (26, 66), (54, 41), (74, 191), (39, 109), (159, 101), (80, 22), (40, 31), (188, 147), (199, 148), (107, 111), (81, 69), (10, 69), (9, 148), (53, 191), (30, 89), (228, 191), (78, 57), (65, 101), (143, 31), (157, 100), (227, 222), (152, 216), (106, 101), (95, 197), (139, 216), (77, 22), (43, 141), (163, 148), (124, 100), (183, 191), (158, 148), (216, 216), (226, 147), (60, 148), (137, 148), (147, 147), (132, 41), (57, 57), (140, 222), (25, 222), (101, 101), (15, 15), (210, 41), (100, 100), (47, 147), (73, 100), (44, 222), (59, 57), (164, 191), (21, 57), (113, 222), (111, 111), (203, 57), (14, 101), (217, 31), (72, 69), (221, 191), (118, 222), (23, 66), (126, 89), (149, 147), (141, 141), (75, 141), (112, 31), (24, 195), (12, 15), (27, 89), (179, 130), (6, 57), (93, 222), (193, 31), (208, 41), (49, 195), (19, 31), (162, 141), (34, 101), (190, 195), (67, 66), (133, 222), (8, 109), (131, 42), (177, 100), (181, 89), (0, 195), (115, 89)] current theta: 0.133180310645 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:48 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49772 rows and 49842 columns Presolve time: 0.07s Presolved: 2899 rows, 3057 columns, 8395 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3057 integer (3057 binary) Root relaxation: objective -5.684342e-14, 3215 iterations, 0.16 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 (5211 simplex iterations) in 0.31 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 [9, 13, 15, 53, 54, 59, 66, 87, 94, 100, 118, 126, 138, 162, 179, 181, 182, 186, 188, 195, 212, 216, 227] edges [(13, 13), (195, 195), (55, 15), (149, 188), (220, 54), (198, 138), (158, 186), (160, 118), (192, 195), (224, 212), (25, 227), (98, 216), (176, 126), (143, 182), (40, 87), (76, 15), (77, 181), (81, 87), (108, 118), (210, 118), (48, 59), (221, 54), (103, 13), (44, 227), (23, 227), (33, 126), (226, 179), (115, 181), (11, 94), (173, 181), (168, 13), (188, 188), (89, 181), (85, 212), (62, 118), (61, 182), (41, 54), (51, 216), (47, 179), (99, 94), (172, 54), (54, 54), (46, 216), (20, 188), (112, 182), (50, 216), (123, 138), (208, 54), (171, 186), (28, 162), (27, 181), (207, 118), (219, 212), (151, 195), (183, 53), (164, 53), (83, 182), (175, 195), (201, 15), (165, 182), (213, 138), (45, 94), (78, 59), (37, 126), (53, 53), (128, 138), (91, 162), (212, 212), (79, 188), (194, 195), (119, 138), (193, 9), (22, 181), (140, 227), (167, 188), (202, 9), (170, 188), (135, 100), (57, 59), (134, 162), (43, 162), (155, 195), (228, 53), (199, 15), (52, 188), (130, 179), (96, 195), (4, 195), (141, 162), (59, 59), (189, 9), (203, 59), (92, 216), (1, 9), (206, 66), (21, 13), (218, 66), (34, 212), (68, 13), (136, 100), (122, 216), (6, 59), (180, 227), (117, 186), (38, 9), (42, 13), (129, 195), (133, 118), (126, 126), (71, 186), (215, 212), (185, 181), (67, 227), (26, 227), (145, 181), (127, 179), (35, 195), (106, 212), (18, 13), (153, 212), (101, 212), (65, 9), (113, 118), (116, 15), (196, 118), (211, 94), (102, 212), (10, 182), (191, 54), (56, 195), (131, 13), (80, 186), (86, 15), (9, 186), (29, 216), (179, 179), (142, 195), (7, 53), (144, 212), (72, 182), (138, 138), (162, 162), (137, 9), (60, 186), (223, 195), (19, 182), (181, 181), (75, 212), (146, 195), (88, 162), (14, 53), (163, 186), (109, 100), (148, 9), (182, 182), (107, 138), (147, 188), (178, 138), (8, 100), (120, 227), (159, 9), (69, 87), (32, 54), (3, 126), (82, 59), (204, 212), (63, 186), (150, 13), (87, 87), (30, 126), (154, 9), (156, 13), (166, 186), (169, 179), (187, 94), (66, 227), (2, 181), (200, 162), (157, 100), (152, 216), (17, 118), (161, 53), (139, 216), (186, 9), (214, 179), (174, 87), (197, 94), (110, 94), (105, 188), (74, 54), (111, 138), (124, 100), (216, 216), (90, 53), (209, 227), (121, 182), (125, 87), (227, 227), (118, 118), (225, 94), (39, 87), (15, 15), (132, 179), (100, 100), (73, 100), (36, 227), (16, 118), (97, 87), (205, 13), (93, 118), (222, 227), (64, 53), (114, 186), (84, 59), (70, 162), (104, 53), (217, 182), (24, 195), (12, 15), (58, 87), (49, 195), (184, 188), (5, 182), (95, 13), (94, 94), (190, 195), (31, 182), (177, 100), (0, 195)] current theta: 0.130516704432 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:49 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49870 rows and 49951 columns Presolve time: 0.06s Presolved: 2801 rows, 2948 columns, 8090 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2948 integer (2948 binary) Root relaxation: objective 0.000000e+00, 3393 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 72 - 0.00000 - - 0s 0 0 0.00000 0 72 - 0.00000 - - 0s 0 0 0.00000 0 270 - 0.00000 - - 0s 0 0 0.00000 0 70 - 0.00000 - - 0s 0 0 0.00000 0 246 - 0.00000 - - 0s 0 0 0.00000 0 244 - 0.00000 - - 0s 0 0 0.00000 0 240 - 0.00000 - - 0s 0 0 0.00000 0 240 - 0.00000 - - 0s 0 0 0.00000 0 242 - 0.00000 - - 0s 0 0 0.00000 0 240 - 0.00000 - - 0s 0 2 0.00000 0 240 - 0.00000 - - 1s * 8 2 5 0.0000000 0.00000 0.00% 268 1s Cutting planes: Zero half: 8 Explored 9 nodes (34262 simplex iterations) in 1.10 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, 24, 27, 36, 46, 54, 56, 57, 76, 87, 89, 94, 112, 118, 127, 147, 148, 152, 156, 185, 198, 206] edges [(44, 36), (131, 156), (177, 8), (220, 54), (102, 156), (38, 24), (160, 118), (92, 46), (141, 156), (27, 27), (214, 147), (70, 36), (40, 87), (112, 112), (81, 87), (166, 148), (31, 112), (108, 118), (210, 118), (179, 127), (117, 112), (189, 148), (221, 54), (33, 27), (115, 27), (181, 185), (140, 118), (11, 94), (50, 152), (145, 185), (127, 127), (200, 36), (29, 152), (180, 118), (62, 118), (198, 198), (77, 185), (41, 54), (43, 206), (99, 94), (172, 54), (54, 54), (103, 156), (171, 112), (142, 56), (15, 76), (3, 89), (42, 156), (212, 7), (1, 112), (89, 89), (208, 54), (73, 8), (227, 36), (22, 185), (207, 118), (173, 27), (168, 198), (82, 57), (183, 127), (45, 94), (14, 7), (105, 8), (114, 112), (71, 148), (100, 8), (155, 56), (66, 206), (25, 36), (80, 112), (178, 198), (119, 76), (186, 112), (170, 147), (116, 185), (37, 27), (36, 36), (79, 147), (111, 76), (184, 147), (55, 76), (5, 89), (88, 7), (204, 198), (164, 127), (86, 76), (222, 118), (167, 147), (49, 56), (224, 7), (84, 57), (83, 112), (67, 206), (128, 198), (195, 56), (19, 112), (101, 7), (133, 118), (109, 8), (176, 89), (28, 36), (194, 56), (165, 112), (7, 7), (130, 127), (113, 118), (196, 118), (52, 56), (211, 94), (169, 147), (153, 198), (213, 198), (152, 46), (107, 46), (121, 112), (48, 57), (26, 206), (64, 7), (91, 36), (95, 57), (46, 152), (129, 24), (132, 127), (12, 76), (157, 8), (122, 46), (218, 206), (192, 24), (148, 148), (161, 127), (20, 147), (223, 87), (146, 56), (24, 24), (154, 148), (10, 112), (216, 46), (151, 24), (144, 156), (69, 87), (32, 54), (228, 7), (185, 185), (123, 198), (188, 147), (199, 148), (0, 24), (60, 112), (2, 185), (104, 56), (87, 87), (139, 46), (9, 148), (72, 112), (187, 94), (134, 7), (190, 24), (30, 89), (136, 8), (143, 112), (150, 156), (156, 156), (78, 57), (85, 156), (17, 118), (215, 24), (159, 24), (174, 87), (197, 94), (110, 94), (90, 127), (106, 198), (163, 148), (74, 54), (158, 148), (226, 147), (137, 148), (125, 87), (147, 147), (126, 27), (57, 57), (182, 112), (51, 46), (118, 118), (225, 94), (39, 87), (217, 112), (63, 112), (76, 76), (47, 147), (68, 156), (16, 118), (59, 57), (53, 7), (21, 57), (203, 57), (175, 56), (97, 87), (96, 24), (138, 198), (93, 118), (219, 7), (209, 36), (193, 112), (124, 8), (35, 24), (202, 24), (162, 36), (205, 46), (65, 24), (149, 147), (191, 127), (206, 206), (120, 36), (4, 24), (98, 94), (58, 87), (6, 57), (18, 156), (23, 206), (75, 156), (34, 24), (13, 156), (61, 112), (94, 94), (8, 8), (135, 8), (201, 185), (56, 56)] current theta: 0.129184901326 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:50 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49934 rows and 50021 columns Presolve time: 0.06s Presolved: 2737 rows, 2878 columns, 7892 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2878 integer (2878 binary) Root relaxation: objective 1.421085e-14, 3339 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 228 - 0.00000 - - 0s 0 0 0.00000 0 154 - 0.00000 - - 0s 0 0 0.00000 0 227 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 2 Zero half: 30 Explored 0 nodes (11881 simplex iterations) in 0.52 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, 24, 30, 36, 54, 56, 57, 76, 86, 87, 92, 94, 112, 118, 122, 127, 147, 148, 156, 181, 198, 206] edges [(44, 36), (131, 156), (177, 8), (220, 54), (42, 198), (190, 56), (38, 24), (160, 118), (152, 92), (141, 156), (214, 147), (70, 36), (40, 87), (112, 112), (77, 181), (81, 87), (166, 148), (31, 112), (108, 118), (210, 118), (86, 86), (179, 127), (46, 122), (117, 112), (189, 148), (221, 54), (140, 118), (11, 94), (173, 181), (127, 127), (200, 36), (168, 156), (180, 118), (62, 118), (198, 198), (41, 54), (43, 206), (99, 94), (102, 198), (172, 54), (54, 54), (103, 156), (171, 112), (142, 56), (212, 7), (1, 112), (208, 54), (73, 8), (227, 36), (27, 181), (216, 122), (35, 56), (114, 148), (207, 118), (82, 57), (183, 127), (45, 94), (14, 7), (105, 8), (100, 8), (155, 56), (66, 206), (25, 36), (80, 112), (178, 198), (129, 56), (22, 181), (186, 112), (170, 147), (192, 56), (36, 36), (79, 147), (51, 92), (111, 76), (176, 30), (184, 147), (55, 76), (139, 92), (122, 122), (88, 7), (204, 198), (164, 127), (89, 30), (33, 30), (222, 118), (167, 147), (115, 30), (71, 112), (49, 56), (224, 7), (3, 30), (84, 57), (83, 112), (67, 206), (205, 92), (0, 56), (30, 30), (128, 198), (195, 56), (119, 92), (19, 112), (101, 7), (133, 118), (109, 8), (5, 30), (28, 36), (145, 181), (165, 112), (7, 7), (130, 127), (113, 118), (196, 118), (52, 56), (211, 94), (169, 147), (37, 30), (153, 198), (213, 198), (121, 112), (48, 57), (26, 206), (64, 7), (91, 36), (95, 57), (50, 92), (29, 122), (132, 127), (12, 76), (150, 198), (181, 181), (185, 86), (157, 8), (107, 92), (218, 206), (126, 30), (148, 148), (161, 127), (20, 147), (223, 87), (146, 56), (92, 122), (24, 24), (10, 112), (151, 24), (144, 156), (201, 86), (69, 87), (32, 54), (228, 7), (123, 198), (188, 147), (60, 112), (104, 56), (87, 87), (9, 148), (72, 112), (187, 94), (134, 7), (136, 8), (2, 181), (15, 86), (143, 112), (156, 156), (78, 57), (85, 156), (17, 118), (215, 24), (159, 24), (194, 24), (174, 87), (197, 94), (110, 94), (90, 127), (106, 198), (163, 148), (74, 54), (158, 148), (226, 147), (137, 148), (125, 87), (147, 147), (154, 112), (57, 57), (182, 112), (118, 118), (225, 94), (39, 87), (217, 112), (63, 112), (76, 76), (47, 147), (68, 156), (16, 118), (59, 57), (53, 7), (21, 57), (203, 57), (175, 56), (97, 87), (96, 24), (138, 198), (93, 118), (219, 7), (209, 36), (193, 112), (124, 8), (202, 24), (162, 36), (116, 86), (65, 24), (149, 147), (191, 127), (206, 206), (120, 36), (199, 86), (4, 24), (98, 94), (58, 87), (6, 57), (18, 156), (23, 206), (75, 156), (34, 24), (13, 156), (61, 112), (94, 94), (8, 8), (135, 8), (56, 56)] current theta: 0.128518999772 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:51 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49958 rows and 50046 columns Presolve time: 0.06s Presolved: 2713 rows, 2853 columns, 7819 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2853 integer (2853 binary) Root relaxation: objective 0.000000e+00, 3158 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 0 327 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 3 Zero half: 32 Explored 0 nodes (9584 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.128851950549 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:52 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49942 rows and 50029 columns Presolve time: 0.06s Presolved: 2729 rows, 2870 columns, 7868 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2870 integer (2870 binary) Root relaxation: cutoff, 88 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 (88 simplex iterations) in 0.07 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, 24, 30, 36, 54, 56, 57, 76, 86, 87, 92, 94, 112, 118, 122, 127, 147, 148, 156, 181, 198, 206] edges [(44, 36), (131, 156), (177, 8), (220, 54), (42, 198), (190, 56), (38, 24), (160, 118), (152, 92), (141, 156), (214, 147), (70, 36), (40, 87), (112, 112), (77, 181), (81, 87), (166, 148), (31, 112), (108, 118), (210, 118), (86, 86), (179, 127), (46, 122), (117, 112), (189, 148), (221, 54), (140, 118), (11, 94), (173, 181), (127, 127), (200, 36), (168, 156), (180, 118), (62, 118), (198, 198), (41, 54), (43, 206), (99, 94), (102, 198), (172, 54), (54, 54), (103, 156), (171, 112), (142, 56), (212, 7), (1, 112), (208, 54), (73, 8), (227, 36), (27, 181), (216, 122), (35, 56), (114, 148), (207, 118), (82, 57), (183, 127), (45, 94), (14, 7), (105, 8), (100, 8), (155, 56), (66, 206), (25, 36), (80, 112), (178, 198), (129, 56), (22, 181), (186, 112), (170, 147), (192, 56), (36, 36), (79, 147), (51, 92), (111, 76), (176, 30), (184, 147), (55, 76), (139, 92), (122, 122), (88, 7), (204, 198), (164, 127), (89, 30), (33, 30), (222, 118), (167, 147), (115, 30), (71, 112), (49, 56), (224, 7), (3, 30), (84, 57), (83, 112), (67, 206), (205, 92), (0, 56), (30, 30), (128, 198), (195, 56), (119, 92), (19, 112), (101, 7), (133, 118), (109, 8), (5, 30), (28, 36), (145, 181), (165, 112), (7, 7), (130, 127), (113, 118), (196, 118), (52, 56), (211, 94), (169, 147), (37, 30), (153, 198), (213, 198), (121, 112), (48, 57), (26, 206), (64, 7), (91, 36), (95, 57), (50, 92), (29, 122), (132, 127), (12, 76), (150, 198), (181, 181), (185, 86), (157, 8), (107, 92), (218, 206), (126, 30), (148, 148), (161, 127), (20, 147), (223, 87), (146, 56), (92, 122), (24, 24), (10, 112), (151, 24), (144, 156), (201, 86), (69, 87), (32, 54), (228, 7), (123, 198), (188, 147), (60, 112), (104, 56), (87, 87), (9, 148), (72, 112), (187, 94), (134, 7), (136, 8), (2, 181), (15, 86), (143, 112), (156, 156), (78, 57), (85, 156), (17, 118), (215, 24), (159, 24), (194, 24), (174, 87), (197, 94), (110, 94), (90, 127), (106, 198), (163, 148), (74, 54), (158, 148), (226, 147), (137, 148), (125, 87), (147, 147), (154, 112), (57, 57), (182, 112), (118, 118), (225, 94), (39, 87), (217, 112), (63, 112), (76, 76), (47, 147), (68, 156), (16, 118), (59, 57), (53, 7), (21, 57), (203, 57), (175, 56), (97, 87), (96, 24), (138, 198), (93, 118), (219, 7), (209, 36), (193, 112), (124, 8), (202, 24), (162, 36), (116, 86), (65, 24), (149, 147), (191, 127), (206, 206), (120, 36), (199, 86), (4, 24), (98, 94), (58, 87), (6, 57), (18, 156), (23, 206), (75, 156), (34, 24), (13, 156), (61, 112), (94, 94), (8, 8), (135, 8), (56, 56)] current theta: 0.128685475161 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:52 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49950 rows and 50038 columns Presolve time: 0.06s Presolved: 2721 rows, 2861 columns, 7843 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2861 integer (2861 binary) Root relaxation: cutoff, 89 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 (89 simplex iterations) in 0.07 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, 24, 30, 36, 54, 56, 57, 76, 86, 87, 92, 94, 112, 118, 122, 127, 147, 148, 156, 181, 198, 206] edges [(44, 36), (131, 156), (177, 8), (220, 54), (42, 198), (190, 56), (38, 24), (160, 118), (152, 92), (141, 156), (214, 147), (70, 36), (40, 87), (112, 112), (77, 181), (81, 87), (166, 148), (31, 112), (108, 118), (210, 118), (86, 86), (179, 127), (46, 122), (117, 112), (189, 148), (221, 54), (140, 118), (11, 94), (173, 181), (127, 127), (200, 36), (168, 156), (180, 118), (62, 118), (198, 198), (41, 54), (43, 206), (99, 94), (102, 198), (172, 54), (54, 54), (103, 156), (171, 112), (142, 56), (212, 7), (1, 112), (208, 54), (73, 8), (227, 36), (27, 181), (216, 122), (35, 56), (114, 148), (207, 118), (82, 57), (183, 127), (45, 94), (14, 7), (105, 8), (100, 8), (155, 56), (66, 206), (25, 36), (80, 112), (178, 198), (129, 56), (22, 181), (186, 112), (170, 147), (192, 56), (36, 36), (79, 147), (51, 92), (111, 76), (176, 30), (184, 147), (55, 76), (139, 92), (122, 122), (88, 7), (204, 198), (164, 127), (89, 30), (33, 30), (222, 118), (167, 147), (115, 30), (71, 112), (49, 56), (224, 7), (3, 30), (84, 57), (83, 112), (67, 206), (205, 92), (0, 56), (30, 30), (128, 198), (195, 56), (119, 92), (19, 112), (101, 7), (133, 118), (109, 8), (5, 30), (28, 36), (145, 181), (165, 112), (7, 7), (130, 127), (113, 118), (196, 118), (52, 56), (211, 94), (169, 147), (37, 30), (153, 198), (213, 198), (121, 112), (48, 57), (26, 206), (64, 7), (91, 36), (95, 57), (50, 92), (29, 122), (132, 127), (12, 76), (150, 198), (181, 181), (185, 86), (157, 8), (107, 92), (218, 206), (126, 30), (148, 148), (161, 127), (20, 147), (223, 87), (146, 56), (92, 122), (24, 24), (10, 112), (151, 24), (144, 156), (201, 86), (69, 87), (32, 54), (228, 7), (123, 198), (188, 147), (60, 112), (104, 56), (87, 87), (9, 148), (72, 112), (187, 94), (134, 7), (136, 8), (2, 181), (15, 86), (143, 112), (156, 156), (78, 57), (85, 156), (17, 118), (215, 24), (159, 24), (194, 24), (174, 87), (197, 94), (110, 94), (90, 127), (106, 198), (163, 148), (74, 54), (158, 148), (226, 147), (137, 148), (125, 87), (147, 147), (154, 112), (57, 57), (182, 112), (118, 118), (225, 94), (39, 87), (217, 112), (63, 112), (76, 76), (47, 147), (68, 156), (16, 118), (59, 57), (53, 7), (21, 57), (203, 57), (175, 56), (97, 87), (96, 24), (138, 198), (93, 118), (219, 7), (209, 36), (193, 112), (124, 8), (202, 24), (162, 36), (116, 86), (65, 24), (149, 147), (191, 127), (206, 206), (120, 36), (199, 86), (4, 24), (98, 94), (58, 87), (6, 57), (18, 156), (23, 206), (75, 156), (34, 24), (13, 156), (61, 112), (94, 94), (8, 8), (135, 8), (56, 56)] current theta: 0.128602237467 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:04:52 2014 Optimize a model with 52671 rows, 52899 columns and 157781 nonzeros Presolve removed 49956 rows and 50044 columns Presolve time: 0.06s Presolved: 2715 rows, 2855 columns, 7825 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2855 integer (2855 binary) Root relaxation: objective 0.000000e+00, 3136 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 96 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 0 nodes (9454 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -