current theta: 0.633230960183 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:26 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 10268 rows and 10268 columns Presolve time: 0.44s Presolved: 18125 rows, 18292 columns, 54204 nonzeros Variable types: 0 continuous, 18292 integer (18292 binary) Root relaxation: objective 0.000000e+00, 1450 iterations, 0.03 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 (1450 simplex iterations) in 0.48 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, 11, 13, 19, 27, 33, 35, 44, 46, 50, 87, 94, 96, 121, 140, 156, 165] edges [(92, 165), (33, 165), (84, 165), (73, 165), (106, 165), (27, 165), (112, 11), (6, 165), (58, 165), (67, 165), (110, 165), (140, 87), (1, 165), (127, 165), (4, 165), (75, 165), (109, 165), (79, 165), (44, 165), (101, 165), (15, 165), (155, 165), (134, 165), (55, 165), (18, 165), (122, 165), (156, 165), (129, 165), (22, 165), (131, 165), (25, 165), (66, 165), (39, 165), (65, 165), (41, 165), (164, 165), (20, 165), (139, 165), (125, 165), (146, 165), (60, 165), (74, 165), (150, 165), (145, 165), (104, 165), (49, 165), (34, 165), (119, 165), (82, 165), (167, 165), (93, 165), (141, 165), (37, 165), (35, 11), (99, 165), (14, 165), (77, 165), (162, 165), (16, 165), (31, 165), (120, 165), (98, 165), (148, 165), (5, 165), (117, 165), (152, 165), (52, 165), (46, 96), (142, 165), (132, 165), (26, 165), (11, 165), (78, 165), (160, 165), (42, 165), (32, 165), (80, 165), (133, 165), (86, 165), (47, 165), (10, 165), (72, 165), (87, 165), (19, 87), (29, 165), (50, 165), (21, 165), (69, 165), (154, 165), (143, 165), (138, 165), (108, 165), (96, 165), (149, 165), (53, 165), (3, 165), (151, 165), (43, 165), (85, 165), (126, 165), (157, 165), (24, 165), (61, 165), (103, 165), (2, 165), (64, 165), (128, 165), (165, 165), (124, 165), (8, 165), (54, 165), (113, 165), (48, 165), (136, 165), (59, 165), (38, 165), (130, 165), (107, 165), (62, 165), (88, 165), (81, 165), (36, 165), (76, 165), (118, 165), (166, 165), (95, 165), (123, 165), (83, 165), (144, 165), (102, 165), (91, 35), (147, 165), (116, 165), (0, 165), (105, 165), (70, 165), (40, 165), (97, 165), (153, 165), (57, 165), (51, 165), (30, 165), (100, 165), (71, 33), (7, 165), (161, 165), (111, 165), (90, 96), (114, 165), (28, 165), (17, 165), (68, 165), (9, 165), (121, 165), (158, 165), (56, 165), (12, 165), (135, 165), (115, 165), (94, 165), (23, 165), (163, 165), (45, 165), (63, 165), (89, 165), (159, 96), (137, 165), (13, 50)] current theta: 0.316615480092 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:27 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 21730 rows and 21730 columns Presolve time: 0.17s Presolved: 6663 rows, 6830 columns, 19818 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 6830 integer (6830 binary) Root relaxation: objective 0.000000e+00, 1409 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (2825 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 [5, 8, 14, 19, 35, 68, 83, 85, 93, 94, 95, 98, 109, 128, 140, 158, 164] edges [(95, 98), (161, 14), (156, 109), (85, 85), (145, 93), (42, 140), (3, 19), (149, 109), (15, 93), (64, 5), (123, 164), (8, 128), (54, 5), (97, 164), (143, 164), (138, 5), (98, 164), (47, 109), (127, 128), (53, 85), (121, 93), (142, 164), (157, 164), (88, 14), (32, 164), (166, 83), (125, 128), (23, 164), (154, 164), (164, 98), (78, 109), (1, 85), (131, 128), (89, 164), (33, 14), (73, 93), (132, 158), (21, 109), (108, 164), (51, 5), (10, 98), (65, 14), (35, 158), (109, 109), (27, 164), (122, 14), (148, 109), (17, 85), (136, 93), (24, 164), (59, 109), (87, 14), (56, 128), (167, 98), (147, 164), (7, 93), (128, 140), (93, 93), (81, 109), (114, 128), (16, 83), (83, 83), (134, 35), (165, 109), (130, 164), (4, 109), (13, 158), (61, 109), (36, 98), (39, 19), (26, 128), (101, 93), (137, 109), (135, 164), (57, 83), (155, 94), (102, 164), (40, 85), (58, 93), (0, 164), (2, 93), (6, 109), (71, 128), (77, 158), (45, 85), (99, 164), (151, 83), (30, 164), (22, 85), (70, 158), (90, 93), (76, 83), (29, 5), (115, 109), (46, 93), (96, 93), (34, 140), (117, 95), (28, 164), (141, 109), (68, 164), (139, 83), (37, 109), (72, 19), (11, 164), (158, 164), (118, 98), (84, 93), (66, 158), (67, 95), (25, 128), (124, 158), (62, 93), (20, 128), (111, 83), (133, 164), (12, 93), (19, 140), (146, 93), (75, 109), (52, 94), (140, 140), (116, 93), (69, 164), (100, 158), (14, 5), (120, 128), (105, 14), (44, 93), (49, 14), (144, 158), (50, 158), (63, 109), (106, 14), (55, 109), (91, 35), (110, 164), (48, 85), (150, 83), (5, 5), (162, 128), (152, 164), (41, 98), (112, 158), (9, 128), (160, 98), (74, 85), (103, 14), (163, 93), (92, 94), (82, 93), (38, 93), (159, 93), (113, 164), (153, 98), (86, 109), (31, 128), (43, 83), (129, 93), (79, 85), (80, 98), (18, 93), (107, 164), (126, 93), (60, 164), (119, 94), (94, 94), (104, 164)] current theta: 0.158307740046 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:27 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26174 rows and 26225 columns Presolve time: 0.04s Presolved: 2219 rows, 2335 columns, 6435 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2335 integer (2335 binary) Root relaxation: objective -2.131628e-14, 2046 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 -0.00000 0.00% - 0s Explored 0 nodes (3396 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [0, 6, 48, 57, 70, 72, 79, 92, 101, 106, 111, 114, 131, 136, 142, 152, 156] edges [(108, 142), (155, 92), (38, 136), (160, 6), (165, 156), (73, 136), (20, 72), (139, 111), (9, 131), (126, 136), (69, 70), (90, 101), (59, 142), (50, 152), (106, 106), (44, 136), (84, 106), (77, 152), (130, 142), (120, 114), (117, 156), (135, 152), (29, 111), (14, 106), (22, 48), (51, 111), (151, 131), (115, 6), (85, 48), (68, 70), (97, 142), (124, 152), (52, 92), (26, 131), (127, 57), (116, 101), (100, 152), (40, 79), (88, 106), (162, 57), (167, 92), (10, 79), (166, 106), (102, 70), (11, 70), (143, 152), (54, 106), (138, 57), (112, 0), (132, 152), (55, 6), (86, 6), (12, 136), (13, 0), (7, 136), (48, 48), (34, 114), (92, 92), (23, 142), (79, 79), (150, 131), (65, 106), (140, 72), (8, 72), (70, 70), (118, 6), (49, 136), (113, 0), (109, 156), (125, 131), (119, 92), (164, 142), (144, 152), (31, 57), (161, 111), (94, 92), (64, 106), (1, 79), (137, 142), (53, 79), (80, 92), (36, 92), (157, 70), (133, 142), (74, 79), (110, 70), (3, 114), (136, 136), (41, 92), (67, 48), (2, 136), (58, 101), (47, 111), (62, 136), (27, 152), (152, 152), (0, 0), (42, 72), (21, 156), (95, 92), (141, 142), (72, 72), (81, 142), (46, 101), (107, 142), (159, 101), (39, 72), (147, 152), (122, 136), (78, 111), (6, 6), (4, 142), (114, 114), (89, 70), (149, 156), (71, 72), (156, 156), (158, 0), (154, 152), (30, 152), (128, 72), (103, 106), (129, 156), (15, 136), (60, 152), (93, 136), (131, 131), (87, 111), (148, 6), (123, 152), (24, 152), (83, 57), (91, 0), (146, 106), (82, 101), (57, 57), (37, 142), (101, 101), (104, 142), (105, 106), (28, 70), (18, 101), (98, 70), (99, 142), (45, 6), (17, 79), (63, 156), (111, 111), (61, 142), (96, 136), (33, 106), (76, 111), (121, 136), (32, 152), (16, 57), (5, 106), (145, 101), (75, 156), (66, 70), (134, 0), (163, 136), (43, 106), (19, 114), (142, 142), (153, 92), (35, 0), (56, 72), (25, 111)] current theta: 0.0791538700229 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 27490 rows and 27655 columns Presolve time: 0.02s Presolved: 903 rows, 905 columns, 2381 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 905 integer (904 binary) Root relaxation: cutoff, 459 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (459 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.118730805034 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26926 rows and 27046 columns Presolve time: 0.03s Presolved: 1467 rows, 1514 columns, 4110 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1514 integer (1514 binary) Root relaxation: cutoff, 1586 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 (1586 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.13851927254 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26562 rows and 26646 columns Presolve time: 0.03s Presolved: 1831 rows, 1914 columns, 5238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1914 integer (1914 binary) Root relaxation: cutoff, 2204 iterations, 0.04 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 (2204 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: 0.148413506293 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26388 rows and 26450 columns Presolve time: 0.04s Presolved: 2005 rows, 2110 columns, 5782 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2110 integer (2110 binary) Root relaxation: cutoff, 2297 iterations, 0.06 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 (2297 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.153360623169 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26286 rows and 26344 columns Presolve time: 0.04s Presolved: 2107 rows, 2216 columns, 6092 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2216 integer (2216 binary) Root relaxation: cutoff, 2064 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 (2064 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.155834181608 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:28 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26238 rows and 26294 columns Presolve time: 0.04s Presolved: 2155 rows, 2266 columns, 6238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2266 integer (2266 binary) Root relaxation: objective 0.000000e+00, 2189 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (4615 simplex iterations) in 0.15 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, 45, 48, 72, 75, 79, 80, 83, 101, 106, 114, 131, 136, 142, 154, 157, 161] edges [(108, 142), (38, 136), (73, 136), (20, 72), (63, 75), (84, 161), (155, 80), (120, 106), (9, 131), (126, 136), (90, 101), (59, 142), (106, 106), (44, 136), (109, 75), (162, 83), (68, 157), (130, 142), (6, 45), (25, 161), (98, 157), (65, 161), (27, 154), (1, 45), (22, 48), (52, 80), (151, 131), (85, 48), (115, 45), (97, 142), (26, 131), (116, 101), (37, 45), (129, 75), (154, 154), (30, 154), (70, 157), (135, 154), (146, 161), (28, 157), (40, 79), (88, 106), (14, 161), (117, 45), (102, 157), (60, 154), (166, 106), (24, 154), (66, 157), (112, 0), (86, 45), (12, 136), (13, 0), (7, 136), (48, 48), (34, 114), (23, 142), (94, 80), (16, 83), (79, 79), (83, 83), (150, 131), (140, 72), (5, 161), (8, 72), (49, 136), (54, 161), (143, 154), (113, 0), (125, 131), (32, 154), (164, 142), (132, 154), (89, 157), (47, 161), (92, 80), (64, 106), (55, 157), (36, 80), (29, 161), (21, 75), (137, 142), (53, 79), (57, 83), (133, 142), (119, 80), (74, 79), (144, 154), (80, 80), (3, 114), (77, 154), (136, 136), (67, 48), (2, 136), (58, 101), (31, 83), (62, 136), (0, 0), (42, 72), (161, 161), (165, 75), (139, 161), (141, 142), (72, 72), (81, 142), (10, 45), (87, 161), (46, 101), (95, 45), (107, 142), (159, 101), (39, 72), (69, 157), (103, 114), (122, 136), (124, 154), (4, 142), (114, 114), (152, 154), (71, 72), (157, 157), (167, 157), (158, 0), (128, 72), (45, 45), (15, 136), (100, 154), (76, 161), (93, 136), (131, 131), (127, 83), (51, 161), (147, 154), (91, 0), (82, 101), (118, 45), (149, 48), (101, 101), (104, 142), (156, 75), (105, 106), (18, 101), (153, 80), (17, 79), (123, 0), (61, 142), (138, 83), (96, 136), (148, 45), (11, 157), (111, 161), (75, 75), (33, 106), (121, 136), (163, 161), (99, 157), (145, 101), (78, 75), (41, 79), (134, 0), (43, 106), (19, 114), (142, 142), (35, 0), (160, 45), (110, 157), (56, 72), (50, 154)] current theta: 0.154597402389 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:29 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26260 rows and 26316 columns Presolve time: 0.04s Presolved: 2133 rows, 2244 columns, 6172 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2244 integer (2244 binary) Root relaxation: objective 0.000000e+00, 2333 iterations, 0.07 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 (3541 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [0, 2, 45, 48, 68, 72, 75, 79, 83, 92, 101, 106, 114, 131, 142, 152, 161] edges [(155, 92), (20, 72), (63, 75), (84, 161), (157, 68), (120, 106), (9, 131), (15, 2), (110, 68), (90, 101), (59, 142), (106, 106), (77, 152), (109, 75), (162, 83), (130, 142), (6, 45), (25, 161), (135, 152), (65, 161), (22, 48), (151, 131), (85, 48), (115, 45), (121, 2), (136, 2), (97, 142), (124, 152), (52, 92), (26, 131), (129, 75), (146, 161), (89, 68), (100, 152), (122, 2), (40, 79), (88, 106), (14, 161), (10, 79), (166, 106), (2, 2), (143, 152), (96, 2), (112, 0), (28, 68), (86, 45), (132, 152), (13, 0), (48, 48), (34, 114), (92, 92), (23, 142), (164, 68), (16, 83), (79, 79), (98, 68), (83, 83), (150, 131), (140, 72), (5, 161), (8, 72), (51, 75), (55, 68), (133, 68), (54, 161), (113, 0), (125, 131), (119, 92), (144, 152), (36, 79), (66, 68), (47, 161), (94, 92), (64, 106), (93, 2), (1, 79), (29, 161), (21, 75), (167, 68), (137, 142), (53, 79), (62, 2), (57, 83), (80, 92), (74, 79), (116, 48), (3, 114), (73, 2), (67, 48), (69, 68), (58, 101), (31, 83), (27, 152), (152, 152), (126, 2), (50, 142), (0, 0), (42, 72), (161, 161), (165, 75), (117, 48), (68, 68), (141, 142), (72, 72), (81, 142), (87, 161), (46, 101), (95, 45), (107, 142), (159, 101), (39, 72), (103, 114), (147, 152), (99, 68), (4, 142), (139, 75), (114, 114), (38, 2), (71, 72), (158, 0), (154, 152), (30, 152), (128, 72), (45, 45), (60, 152), (76, 161), (131, 131), (127, 83), (12, 2), (11, 68), (123, 152), (49, 2), (7, 2), (24, 152), (102, 68), (91, 0), (118, 45), (37, 142), (149, 48), (101, 101), (44, 2), (104, 142), (156, 75), (105, 106), (18, 101), (17, 79), (61, 142), (138, 83), (148, 45), (111, 161), (75, 75), (33, 106), (70, 68), (32, 152), (163, 161), (145, 101), (82, 2), (78, 75), (41, 79), (134, 0), (43, 106), (19, 114), (142, 142), (153, 92), (35, 0), (160, 45), (108, 68), (56, 72)] current theta: 0.153979012779 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:29 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26278 rows and 26335 columns Presolve time: 0.04s Presolved: 2115 rows, 2225 columns, 6117 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2225 integer (2225 binary) Root relaxation: objective 0.000000e+00, 2281 iterations, 0.08 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 (3630 simplex iterations) in 0.16 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, 44, 45, 48, 66, 72, 75, 79, 80, 83, 101, 106, 114, 131, 142, 152, 161] edges [(66, 66), (93, 101), (108, 142), (20, 72), (63, 75), (84, 161), (155, 80), (120, 106), (96, 44), (9, 131), (82, 44), (136, 44), (90, 101), (121, 44), (59, 142), (106, 106), (77, 152), (109, 75), (122, 44), (162, 83), (69, 66), (130, 142), (6, 45), (25, 161), (135, 152), (65, 161), (14, 106), (1, 45), (22, 48), (52, 80), (151, 131), (85, 48), (115, 45), (99, 66), (97, 142), (124, 152), (26, 131), (68, 66), (129, 75), (146, 161), (42, 131), (100, 152), (102, 66), (40, 79), (88, 106), (11, 66), (117, 45), (10, 79), (15, 44), (166, 106), (143, 152), (54, 106), (112, 0), (86, 45), (132, 152), (13, 0), (70, 66), (48, 48), (34, 114), (23, 142), (94, 80), (16, 83), (79, 79), (83, 83), (150, 131), (167, 80), (140, 72), (5, 161), (8, 72), (2, 44), (113, 0), (62, 44), (125, 131), (144, 152), (12, 44), (36, 79), (47, 161), (92, 80), (64, 106), (29, 161), (21, 75), (38, 44), (73, 44), (137, 142), (53, 79), (57, 83), (110, 66), (133, 142), (119, 80), (126, 44), (74, 79), (80, 80), (116, 48), (49, 44), (157, 66), (3, 114), (67, 48), (58, 101), (31, 83), (27, 152), (152, 152), (50, 142), (0, 0), (161, 161), (165, 75), (141, 142), (72, 72), (81, 142), (87, 161), (46, 101), (95, 45), (107, 142), (159, 101), (39, 72), (103, 114), (89, 66), (147, 152), (4, 142), (139, 75), (114, 114), (71, 72), (158, 0), (154, 152), (30, 152), (128, 72), (45, 45), (60, 152), (76, 161), (131, 131), (127, 83), (51, 161), (24, 152), (91, 0), (118, 45), (37, 142), (149, 48), (101, 101), (104, 142), (156, 75), (105, 106), (18, 101), (153, 80), (17, 79), (123, 0), (61, 142), (138, 83), (7, 44), (148, 45), (28, 66), (98, 66), (111, 161), (75, 75), (33, 106), (32, 152), (163, 161), (164, 66), (44, 44), (145, 101), (78, 75), (41, 79), (55, 66), (134, 0), (43, 106), (19, 114), (142, 142), (35, 0), (160, 45), (56, 72)] current theta: 0.153669817974 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:29 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26284 rows and 26341 columns Presolve time: 0.04s Presolved: 2109 rows, 2219 columns, 6099 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2219 integer (2219 binary) Root relaxation: objective 0.000000e+00, 2136 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (2136 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [0, 2, 19, 42, 45, 48, 68, 75, 77, 79, 84, 92, 101, 120, 138, 142, 154] edges [(108, 142), (155, 92), (63, 75), (47, 138), (157, 68), (14, 84), (163, 84), (15, 2), (110, 68), (90, 101), (59, 142), (103, 120), (109, 75), (64, 120), (130, 142), (6, 45), (3, 120), (27, 154), (1, 45), (22, 48), (58, 2), (161, 84), (114, 120), (85, 48), (115, 45), (121, 2), (136, 2), (150, 42), (97, 142), (52, 92), (129, 75), (25, 138), (154, 154), (30, 154), (135, 154), (89, 68), (122, 2), (40, 79), (31, 77), (117, 45), (60, 154), (83, 138), (2, 2), (43, 120), (123, 154), (151, 42), (24, 154), (16, 42), (96, 2), (84, 84), (112, 0), (28, 68), (86, 45), (13, 0), (56, 42), (48, 48), (92, 92), (23, 142), (164, 68), (79, 79), (54, 84), (162, 77), (98, 68), (33, 84), (10, 92), (51, 75), (55, 68), (42, 42), (20, 42), (9, 77), (57, 42), (113, 0), (32, 154), (119, 92), (65, 84), (36, 79), (87, 84), (132, 154), (111, 138), (29, 75), (106, 120), (66, 68), (105, 84), (94, 92), (93, 2), (26, 77), (5, 84), (21, 75), (167, 68), (137, 142), (71, 19), (53, 79), (146, 84), (62, 2), (80, 92), (133, 142), (74, 79), (116, 48), (138, 138), (128, 42), (166, 138), (77, 154), (73, 2), (41, 92), (67, 48), (69, 68), (126, 2), (0, 0), (165, 75), (68, 68), (141, 142), (81, 142), (46, 101), (143, 77), (140, 19), (76, 138), (95, 45), (107, 142), (127, 138), (120, 120), (159, 101), (124, 154), (4, 142), (139, 75), (38, 84), (152, 154), (144, 77), (158, 0), (125, 42), (45, 45), (100, 154), (8, 42), (12, 2), (11, 68), (49, 2), (7, 2), (147, 154), (34, 120), (102, 68), (91, 0), (118, 45), (37, 142), (149, 48), (39, 120), (101, 101), (44, 2), (19, 19), (104, 142), (156, 75), (18, 101), (99, 142), (17, 79), (61, 142), (148, 45), (72, 42), (88, 120), (75, 75), (70, 68), (145, 101), (82, 2), (78, 75), (134, 0), (142, 142), (153, 92), (35, 0), (160, 45), (131, 42), (50, 154)] current theta: 0.153515220572 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:29 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26284 rows and 26341 columns Presolve time: 0.04s Presolved: 2109 rows, 2219 columns, 6099 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2219 integer (2219 binary) Root relaxation: cutoff, 58 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 (58 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [0, 2, 19, 42, 45, 48, 68, 75, 77, 79, 84, 92, 101, 120, 138, 142, 154] edges [(108, 142), (155, 92), (63, 75), (47, 138), (157, 68), (14, 84), (163, 84), (15, 2), (110, 68), (90, 101), (59, 142), (103, 120), (109, 75), (64, 120), (130, 142), (6, 45), (3, 120), (27, 154), (1, 45), (22, 48), (58, 2), (161, 84), (114, 120), (85, 48), (115, 45), (121, 2), (136, 2), (150, 42), (97, 142), (52, 92), (129, 75), (25, 138), (154, 154), (30, 154), (135, 154), (89, 68), (122, 2), (40, 79), (31, 77), (117, 45), (60, 154), (83, 138), (2, 2), (43, 120), (123, 154), (151, 42), (24, 154), (16, 42), (96, 2), (84, 84), (112, 0), (28, 68), (86, 45), (13, 0), (56, 42), (48, 48), (92, 92), (23, 142), (164, 68), (79, 79), (54, 84), (162, 77), (98, 68), (33, 84), (10, 92), (51, 75), (55, 68), (42, 42), (20, 42), (9, 77), (57, 42), (113, 0), (32, 154), (119, 92), (65, 84), (36, 79), (87, 84), (132, 154), (111, 138), (29, 75), (106, 120), (66, 68), (105, 84), (94, 92), (93, 2), (26, 77), (5, 84), (21, 75), (167, 68), (137, 142), (71, 19), (53, 79), (146, 84), (62, 2), (80, 92), (133, 142), (74, 79), (116, 48), (138, 138), (128, 42), (166, 138), (77, 154), (73, 2), (41, 92), (67, 48), (69, 68), (126, 2), (0, 0), (165, 75), (68, 68), (141, 142), (81, 142), (46, 101), (143, 77), (140, 19), (76, 138), (95, 45), (107, 142), (127, 138), (120, 120), (159, 101), (124, 154), (4, 142), (139, 75), (38, 84), (152, 154), (144, 77), (158, 0), (125, 42), (45, 45), (100, 154), (8, 42), (12, 2), (11, 68), (49, 2), (7, 2), (147, 154), (34, 120), (102, 68), (91, 0), (118, 45), (37, 142), (149, 48), (39, 120), (101, 101), (44, 2), (19, 19), (104, 142), (156, 75), (18, 101), (99, 142), (17, 79), (61, 142), (148, 45), (72, 42), (88, 120), (75, 75), (70, 68), (145, 101), (82, 2), (78, 75), (134, 0), (142, 142), (153, 92), (35, 0), (160, 45), (131, 42), (50, 154)] current theta: 0.153437921871 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:39:29 2014 Optimize a model with 28393 rows, 28560 columns and 85008 nonzeros Presolve removed 26286 rows and 26344 columns Presolve time: 0.04s Presolved: 2107 rows, 2216 columns, 6092 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2216 integer (2216 binary) Root relaxation: cutoff, 2064 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 (2064 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -