current theta: 0.652400428069 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:45 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 9836 rows and 9836 columns Presolve time: 0.50s Presolved: 20615 rows, 20788 columns, 61668 nonzeros Variable types: 0 continuous, 20788 integer (20788 binary) Root relaxation: objective 0.000000e+00, 1743 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 (1743 simplex iterations) in 0.56 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, 7, 21, 33, 36, 46, 50, 59, 87, 91, 98, 104, 106, 148, 152, 169, 170, 171] edges [(163, 169), (147, 169), (68, 169), (155, 169), (134, 169), (137, 169), (153, 169), (57, 169), (129, 169), (132, 169), (22, 169), (46, 91), (2, 171), (138, 98), (73, 169), (21, 171), (69, 171), (154, 171), (63, 169), (110, 169), (3, 171), (84, 169), (124, 171), (118, 171), (150, 169), (165, 98), (144, 169), (50, 171), (24, 171), (70, 169), (102, 171), (13, 169), (85, 171), (146, 169), (60, 169), (8, 171), (127, 169), (53, 169), (123, 171), (169, 169), (25, 169), (34, 169), (82, 169), (161, 169), (19, 171), (140, 169), (16, 169), (139, 170), (31, 170), (76, 171), (93, 169), (87, 169), (62, 170), (141, 169), (97, 98), (104, 169), (88, 106), (61, 171), (143, 171), (11, 169), (133, 170), (98, 169), (7, 171), (95, 171), (99, 169), (81, 170), (14, 169), (10, 106), (15, 98), (67, 171), (120, 169), (48, 106), (157, 91), (41, 169), (37, 169), (90, 106), (23, 171), (75, 169), (27, 171), (168, 106), (151, 171), (100, 171), (52, 169), (72, 169), (111, 171), (89, 171), (64, 169), (26, 169), (33, 91), (159, 169), (113, 169), (109, 171), (47, 169), (65, 171), (79, 91), (119, 106), (103, 169), (59, 169), (39, 98), (38, 169), (107, 169), (18, 171), (145, 169), (152, 169), (1, 91), (71, 169), (40, 98), (78, 169), (126, 169), (106, 171), (130, 169), (166, 169), (149, 169), (125, 171), (173, 169), (4, 98), (172, 171), (80, 169), (0, 169), (58, 169), (35, 170), (101, 171), (66, 98), (49, 169), (135, 169), (91, 91), (122, 171), (167, 171), (171, 106), (45, 169), (108, 170), (170, 171), (148, 171), (77, 171), (162, 171), (55, 91), (86, 169), (30, 106), (20, 171), (42, 106), (164, 169), (32, 171), (105, 169), (114, 169), (28, 169), (43, 91), (74, 169), (5, 98), (51, 169), (160, 171), (17, 98), (83, 169), (12, 169), (116, 169), (56, 91), (142, 171), (36, 46), (29, 171), (54, 171), (156, 169), (6, 169), (9, 169), (121, 169), (158, 169), (96, 171), (117, 171), (92, 169), (128, 169), (112, 169), (44, 98), (131, 7), (136, 171), (115, 169), (94, 169)] current theta: 0.326200214035 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:46 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 22890 rows and 22890 columns Presolve time: 0.21s Presolved: 7561 rows, 7734 columns, 22506 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 7734 integer (7734 binary) Root relaxation: objective 0.000000e+00, 1366 iterations, 0.05 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 (2853 simplex iterations) in 0.35 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, 4, 32, 36, 64, 66, 76, 87, 101, 102, 121, 127, 142, 151, 160, 165, 171, 173] edges [(112, 173), (124, 151), (24, 101), (115, 173), (87, 173), (12, 121), (103, 64), (27, 142), (63, 173), (161, 101), (41, 0), (69, 101), (21, 171), (130, 121), (0, 64), (1, 165), (72, 121), (34, 121), (90, 142), (4, 165), (58, 64), (122, 102), (132, 121), (133, 173), (44, 165), (15, 165), (162, 76), (154, 102), (163, 121), (26, 101), (19, 76), (13, 173), (151, 173), (134, 121), (129, 165), (156, 64), (78, 101), (57, 64), (23, 102), (168, 101), (66, 165), (120, 64), (39, 165), (165, 36), (85, 76), (29, 76), (136, 76), (149, 121), (147, 173), (158, 121), (65, 76), (111, 151), (153, 173), (96, 160), (74, 121), (117, 76), (16, 66), (144, 121), (159, 64), (47, 121), (119, 76), (37, 165), (104, 173), (14, 165), (173, 173), (71, 66), (5, 165), (121, 121), (123, 101), (64, 121), (109, 101), (60, 127), (131, 32), (2, 102), (95, 142), (137, 101), (31, 173), (98, 64), (61, 76), (30, 142), (155, 121), (54, 102), (56, 66), (118, 76), (59, 121), (89, 102), (86, 165), (108, 173), (172, 101), (91, 165), (76, 101), (11, 151), (73, 121), (48, 102), (83, 66), (148, 102), (125, 160), (135, 173), (94, 64), (62, 173), (138, 165), (167, 101), (9, 121), (75, 121), (45, 173), (10, 76), (53, 165), (46, 66), (43, 165), (93, 64), (157, 165), (105, 64), (139, 101), (3, 76), (79, 66), (6, 64), (25, 121), (99, 121), (127, 121), (81, 173), (100, 76), (82, 121), (113, 165), (38, 165), (33, 66), (68, 64), (146, 64), (80, 64), (88, 165), (141, 101), (50, 76), (42, 102), (22, 101), (36, 165), (126, 64), (102, 76), (7, 76), (166, 165), (107, 64), (169, 121), (77, 76), (145, 173), (140, 121), (116, 66), (152, 173), (114, 173), (110, 121), (70, 165), (40, 165), (97, 165), (28, 173), (51, 165), (150, 87), (8, 66), (171, 102), (17, 142), (170, 160), (128, 121), (101, 76), (160, 102), (49, 64), (18, 160), (164, 101), (92, 173), (143, 76), (142, 32), (67, 101), (52, 101), (35, 173), (55, 66), (32, 32), (84, 121), (106, 102), (20, 76)] current theta: 0.163100107017 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:46 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28076 rows and 28115 columns Presolve time: 0.04s Presolved: 2375 rows, 2509 columns, 6909 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2509 integer (2509 binary) Root relaxation: objective 1.421085e-14, 2054 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 (3609 simplex iterations) in 0.17 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 [24, 32, 69, 74, 84, 90, 91, 92, 97, 99, 100, 135, 138, 139, 144, 154, 156, 164] edges [(119, 90), (116, 144), (65, 100), (66, 138), (152, 92), (46, 91), (14, 164), (102, 90), (58, 156), (170, 154), (62, 139), (7, 24), (114, 135), (120, 164), (23, 69), (49, 24), (161, 156), (80, 164), (130, 84), (25, 84), (5, 97), (132, 156), (125, 24), (18, 24), (35, 139), (146, 99), (12, 135), (21, 154), (16, 144), (72, 74), (76, 69), (112, 139), (101, 24), (63, 135), (99, 99), (118, 100), (2, 154), (158, 84), (110, 84), (70, 138), (61, 32), (154, 154), (31, 139), (88, 32), (127, 74), (90, 154), (85, 154), (15, 138), (108, 139), (27, 164), (150, 139), (133, 139), (122, 154), (74, 74), (160, 69), (69, 69), (60, 99), (36, 91), (33, 138), (40, 97), (148, 154), (162, 154), (81, 139), (92, 92), (53, 138), (10, 32), (71, 164), (165, 97), (8, 164), (157, 91), (87, 92), (4, 97), (129, 164), (28, 92), (38, 164), (20, 154), (153, 135), (128, 144), (168, 32), (79, 138), (171, 154), (95, 69), (105, 84), (54, 32), (166, 164), (97, 97), (48, 32), (3, 154), (106, 154), (173, 92), (59, 84), (83, 99), (96, 69), (43, 138), (149, 74), (111, 100), (41, 99), (138, 138), (143, 100), (47, 99), (11, 92), (77, 69), (104, 92), (52, 156), (44, 138), (39, 138), (164, 164), (84, 144), (26, 156), (24, 24), (117, 154), (19, 24), (109, 69), (121, 74), (22, 156), (82, 84), (163, 99), (131, 164), (91, 91), (151, 139), (155, 156), (45, 92), (156, 156), (126, 99), (1, 97), (135, 135), (55, 91), (6, 164), (115, 139), (124, 100), (94, 144), (9, 156), (64, 99), (68, 144), (136, 154), (78, 164), (145, 135), (100, 100), (89, 24), (159, 144), (103, 164), (37, 138), (34, 74), (98, 156), (144, 144), (172, 24), (137, 156), (86, 164), (167, 24), (56, 91), (113, 164), (50, 164), (140, 74), (147, 156), (141, 24), (73, 156), (134, 156), (0, 144), (139, 139), (51, 138), (142, 32), (57, 156), (107, 164), (123, 24), (75, 156), (169, 74), (67, 24), (13, 156), (30, 90), (17, 32), (42, 90), (32, 32), (29, 100), (93, 74)] current theta: 0.0815500535086 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:47 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 29524 rows and 29697 columns Presolve time: 0.03s Presolved: 927 rows, 927 columns, 2439 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 927 integer (926 binary) Root relaxation: cutoff, 1042 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 (1042 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122325080263 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:47 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28942 rows and 29076 columns Presolve time: 0.03s Presolved: 1509 rows, 1548 columns, 4216 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1548 integer (1548 binary) Root relaxation: cutoff, 1819 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 (1819 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: 0.14271259364 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:47 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28560 rows and 28644 columns Presolve time: 0.04s Presolved: 1891 rows, 1980 columns, 5412 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1980 integer (1980 binary) Root relaxation: cutoff, 2425 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 (2425 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: 0.152906350329 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:47 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28310 rows and 28370 columns Presolve time: 0.04s Presolved: 2141 rows, 2254 columns, 6186 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2254 integer (2254 binary) Root relaxation: objective -1.421085e-14, 2131 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 (4757 simplex iterations) in 0.17 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, 32, 36, 51, 52, 72, 80, 92, 95, 97, 99, 100, 105, 110, 145, 150, 154, 172] edges [(121, 110), (162, 95), (65, 100), (135, 145), (14, 80), (114, 72), (161, 52), (152, 92), (67, 172), (7, 172), (149, 72), (54, 95), (170, 154), (84, 110), (58, 52), (9, 99), (130, 110), (59, 110), (105, 105), (34, 110), (131, 80), (5, 97), (23, 172), (146, 99), (21, 154), (8, 80), (22, 52), (167, 23), (42, 95), (99, 99), (118, 100), (2, 154), (129, 80), (35, 150), (57, 72), (61, 32), (33, 97), (120, 99), (25, 110), (69, 23), (88, 32), (31, 150), (30, 95), (43, 97), (164, 80), (90, 154), (139, 150), (27, 80), (115, 92), (78, 80), (89, 172), (150, 150), (132, 52), (36, 36), (123, 23), (133, 150), (122, 154), (116, 51), (60, 99), (40, 97), (28, 145), (49, 172), (148, 154), (151, 150), (155, 52), (92, 92), (158, 105), (10, 32), (165, 97), (87, 92), (98, 52), (156, 52), (140, 72), (125, 172), (4, 97), (24, 172), (52, 52), (144, 105), (20, 154), (62, 150), (26, 52), (101, 172), (168, 32), (171, 154), (141, 172), (6, 80), (13, 52), (75, 52), (169, 72), (102, 154), (97, 97), (93, 72), (127, 110), (16, 51), (48, 32), (3, 154), (106, 154), (37, 51), (83, 99), (66, 51), (79, 97), (157, 97), (111, 100), (86, 80), (80, 80), (94, 105), (41, 99), (85, 95), (143, 100), (47, 99), (11, 92), (63, 145), (81, 150), (73, 72), (70, 51), (104, 92), (51, 51), (12, 72), (166, 99), (107, 80), (117, 154), (15, 51), (72, 72), (44, 51), (159, 51), (71, 80), (38, 80), (147, 52), (50, 80), (172, 23), (119, 95), (113, 80), (163, 99), (128, 105), (39, 51), (45, 92), (138, 51), (95, 154), (126, 99), (1, 97), (53, 51), (96, 23), (124, 100), (56, 36), (64, 99), (136, 154), (46, 36), (134, 99), (74, 72), (91, 97), (100, 100), (77, 95), (145, 145), (154, 95), (103, 80), (55, 97), (112, 150), (18, 23), (110, 110), (109, 95), (160, 95), (108, 150), (142, 32), (137, 52), (0, 105), (68, 110), (17, 32), (153, 92), (82, 110), (173, 150), (76, 23), (32, 32), (29, 100), (19, 172)] current theta: 0.147809471984 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:47 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28440 rows and 28515 columns Presolve time: 0.04s Presolved: 2011 rows, 2109 columns, 5781 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2109 integer (2109 binary) Root relaxation: objective -1.421085e-14, 2290 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 -0.00000 0 296 - -0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 46 Explored 0 nodes (5703 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.150357911157 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:48 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28390 rows and 28459 columns Presolve time: 0.04s Presolved: 2061 rows, 2165 columns, 5937 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2165 integer (2165 binary) Root relaxation: objective -8.526513e-14, 2128 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 (3456 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [26, 32, 45, 50, 51, 55, 83, 84, 89, 93, 97, 100, 121, 139, 154, 161, 162, 164] edges [(76, 89), (63, 161), (128, 84), (65, 100), (30, 162), (50, 50), (14, 164), (119, 162), (167, 89), (130, 121), (170, 154), (62, 139), (34, 121), (27, 50), (77, 162), (114, 93), (169, 93), (22, 161), (123, 89), (94, 83), (80, 164), (67, 89), (25, 84), (5, 97), (134, 121), (117, 162), (35, 139), (104, 45), (135, 161), (89, 89), (21, 154), (11, 45), (137, 26), (172, 50), (163, 26), (166, 83), (112, 139), (60, 83), (23, 89), (118, 100), (2, 154), (158, 84), (110, 84), (61, 32), (13, 161), (154, 154), (33, 97), (0, 84), (64, 83), (74, 121), (69, 162), (31, 139), (88, 32), (43, 97), (47, 121), (152, 45), (146, 83), (108, 139), (26, 26), (150, 139), (4, 55), (133, 139), (126, 83), (84, 84), (120, 26), (116, 51), (40, 55), (148, 154), (85, 162), (93, 93), (156, 161), (121, 121), (58, 26), (81, 139), (10, 32), (71, 164), (165, 97), (83, 83), (7, 89), (98, 161), (18, 50), (141, 26), (122, 162), (129, 164), (144, 84), (52, 161), (38, 164), (20, 154), (155, 121), (168, 32), (145, 45), (95, 162), (171, 154), (140, 93), (105, 84), (24, 89), (16, 51), (48, 32), (3, 154), (106, 154), (101, 89), (68, 84), (59, 84), (37, 51), (66, 51), (173, 45), (111, 100), (96, 89), (8, 50), (143, 100), (162, 162), (147, 161), (49, 26), (97, 55), (57, 161), (132, 161), (70, 51), (51, 51), (127, 121), (164, 164), (161, 161), (9, 83), (15, 51), (28, 45), (44, 51), (159, 51), (12, 93), (157, 55), (41, 83), (82, 84), (131, 164), (46, 55), (151, 139), (56, 55), (79, 55), (39, 51), (138, 51), (160, 162), (53, 51), (54, 162), (45, 45), (90, 162), (92, 45), (99, 83), (6, 164), (115, 139), (124, 100), (72, 93), (136, 154), (78, 164), (1, 55), (87, 45), (100, 100), (153, 45), (103, 164), (75, 161), (109, 162), (86, 164), (149, 93), (113, 164), (139, 139), (142, 32), (107, 164), (55, 55), (36, 55), (17, 32), (42, 162), (91, 55), (125, 50), (19, 89), (102, 162), (32, 32), (73, 161), (29, 100)] current theta: 0.149083691571 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:48 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28410 rows and 28482 columns Presolve time: 0.04s Presolved: 2041 rows, 2142 columns, 5874 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2142 integer (2142 binary) Root relaxation: objective -5.684342e-14, 2281 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 -0.00000 0 307 - -0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 1 Zero half: 28 Explored 0 nodes (5909 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.149720801364 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:48 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28398 rows and 28468 columns Presolve time: 0.04s Presolved: 2053 rows, 2156 columns, 5912 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2156 integer (2156 binary) Root relaxation: cutoff, 71 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 (71 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 [26, 32, 45, 50, 51, 55, 83, 84, 89, 93, 97, 100, 121, 139, 154, 161, 162, 164] edges [(76, 89), (63, 161), (128, 84), (65, 100), (30, 162), (50, 50), (14, 164), (119, 162), (167, 89), (130, 121), (170, 154), (62, 139), (34, 121), (27, 50), (77, 162), (114, 93), (169, 93), (22, 161), (123, 89), (94, 83), (80, 164), (67, 89), (25, 84), (5, 97), (134, 121), (117, 162), (35, 139), (104, 45), (135, 161), (89, 89), (21, 154), (11, 45), (137, 26), (172, 50), (163, 26), (166, 83), (112, 139), (60, 83), (23, 89), (118, 100), (2, 154), (158, 84), (110, 84), (61, 32), (13, 161), (154, 154), (33, 97), (0, 84), (64, 83), (74, 121), (69, 162), (31, 139), (88, 32), (43, 97), (47, 121), (152, 45), (146, 83), (108, 139), (26, 26), (150, 139), (4, 55), (133, 139), (126, 83), (84, 84), (120, 26), (116, 51), (40, 55), (148, 154), (85, 162), (93, 93), (156, 161), (121, 121), (58, 26), (81, 139), (10, 32), (71, 164), (165, 97), (83, 83), (7, 89), (98, 161), (18, 50), (141, 26), (122, 162), (129, 164), (144, 84), (52, 161), (38, 164), (20, 154), (155, 121), (168, 32), (145, 45), (95, 162), (171, 154), (140, 93), (105, 84), (24, 89), (16, 51), (48, 32), (3, 154), (106, 154), (101, 89), (68, 84), (59, 84), (37, 51), (66, 51), (173, 45), (111, 100), (96, 89), (8, 50), (143, 100), (162, 162), (147, 161), (49, 26), (97, 55), (57, 161), (132, 161), (70, 51), (51, 51), (127, 121), (164, 164), (161, 161), (9, 83), (15, 51), (28, 45), (44, 51), (159, 51), (12, 93), (157, 55), (41, 83), (82, 84), (131, 164), (46, 55), (151, 139), (56, 55), (79, 55), (39, 51), (138, 51), (160, 162), (53, 51), (54, 162), (45, 45), (90, 162), (92, 45), (99, 83), (6, 164), (115, 139), (124, 100), (72, 93), (136, 154), (78, 164), (1, 55), (87, 45), (100, 100), (153, 45), (103, 164), (75, 161), (109, 162), (86, 164), (149, 93), (113, 164), (139, 139), (142, 32), (107, 164), (55, 55), (36, 55), (17, 32), (42, 162), (91, 55), (125, 50), (19, 89), (102, 162), (32, 32), (73, 161), (29, 100)] current theta: 0.149402246467 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:49 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28404 rows and 28474 columns Presolve time: 0.04s Presolved: 2047 rows, 2150 columns, 5894 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2150 integer (2150 binary) Root relaxation: objective -7.105427e-14, 2199 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 -0.00000 0 285 - -0.00000 - - 0s 0 0 -0.00000 0 259 - -0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 3 Zero half: 57 Explored 0 nodes (7270 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.149561523915 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:49 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28402 rows and 28472 columns Presolve time: 0.04s Presolved: 2049 rows, 2152 columns, 5900 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2152 integer (2152 binary) Root relaxation: objective 4.263256e-14, 2368 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 351 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 28 Explored 0 nodes (6864 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.149641162639 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:00:49 2014 Optimize a model with 30451 rows, 30624 columns and 91176 nonzeros Presolve removed 28402 rows and 28472 columns Presolve time: 0.04s Presolved: 2049 rows, 2152 columns, 5900 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2152 integer (2152 binary) Root relaxation: objective 4.263256e-14, 2368 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 351 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 28 Explored 0 nodes (6864 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -