current theta: 0.674616613487 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:19 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 6994 rows and 6994 columns Presolve time: 0.44s Presolved: 19089 rows, 19249 columns, 57103 nonzeros Variable types: 0 continuous, 19249 integer (19249 binary) Root relaxation: objective 0.000000e+00, 2400 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 (4842 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [25, 34, 38, 47, 55, 67, 82, 85, 104, 112, 114, 123, 124, 132, 143, 149, 153] edges [(91, 132), (15, 124), (16, 123), (39, 67), (32, 25), (24, 47), (133, 38), (45, 114), (20, 149), (153, 114), (112, 112), (117, 112), (144, 112), (49, 34), (41, 47), (158, 55), (2, 112), (26, 47), (151, 114), (48, 153), (92, 34), (105, 112), (29, 143), (103, 149), (38, 55), (118, 149), (50, 34), (3, 38), (106, 149), (72, 47), (4, 25), (77, 123), (62, 67), (34, 25), (104, 112), (116, 149), (12, 47), (69, 124), (136, 112), (100, 114), (79, 123), (160, 34), (83, 55), (135, 34), (108, 123), (111, 47), (157, 67), (121, 47), (68, 38), (146, 34), (99, 114), (143, 47), (76, 47), (56, 112), (150, 143), (102, 47), (96, 123), (60, 143), (130, 143), (156, 132), (28, 55), (21, 34), (9, 55), (149, 112), (148, 47), (47, 34), (7, 112), (58, 34), (119, 123), (78, 143), (139, 47), (125, 47), (43, 34), (37, 55), (55, 123), (137, 112), (17, 38), (124, 149), (66, 55), (142, 112), (86, 123), (27, 25), (70, 104), (22, 38), (85, 132), (147, 123), (33, 34), (59, 25), (51, 47), (23, 38), (73, 149), (132, 132), (123, 55), (65, 114), (87, 67), (6, 47), (107, 38), (0, 123), (53, 25), (14, 34), (46, 47), (109, 132), (81, 123), (155, 132), (145, 67), (126, 123), (128, 112), (44, 47), (138, 55), (8, 34), (25, 34), (120, 124), (129, 104), (54, 123), (114, 114), (74, 123), (82, 55), (61, 67), (98, 34), (115, 55), (131, 47), (13, 47), (88, 34), (19, 123), (80, 114), (122, 112), (89, 143), (101, 47), (52, 34), (84, 55), (18, 143), (93, 47), (140, 34), (95, 114), (5, 55), (35, 132), (141, 112), (75, 112), (11, 124), (31, 55), (36, 34), (159, 124), (154, 47), (57, 123), (94, 123), (42, 82), (113, 47), (97, 112), (110, 149), (67, 149), (71, 25), (90, 34), (127, 67), (10, 55), (30, 123), (63, 132), (40, 112), (134, 112), (1, 38), (152, 149), (64, 34)] current theta: 0.337308306744 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:19 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 18918 rows and 18918 columns Presolve time: 0.20s Presolved: 7165 rows, 7325 columns, 21331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 7325 integer (7325 binary) Root relaxation: objective 0.000000e+00, 1172 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% - 0s Explored 0 nodes (3051 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 [1, 3, 25, 35, 65, 74, 87, 106, 112, 124, 125, 129, 132, 136, 143, 145, 151] edges [(114, 143), (43, 136), (145, 112), (112, 124), (141, 129), (19, 151), (74, 65), (153, 1), (37, 129), (49, 1), (7, 125), (81, 87), (10, 87), (138, 136), (62, 87), (133, 136), (103, 87), (53, 112), (9, 74), (102, 136), (14, 65), (91, 65), (94, 87), (45, 143), (156, 125), (105, 112), (109, 125), (120, 145), (123, 151), (3, 124), (158, 129), (8, 145), (42, 151), (80, 143), (134, 125), (72, 74), (48, 145), (137, 106), (54, 129), (100, 74), (44, 74), (31, 143), (0, 106), (5, 74), (82, 136), (50, 74), (6, 87), (146, 87), (28, 87), (122, 25), (108, 143), (4, 1), (68, 87), (144, 125), (40, 125), (92, 129), (86, 87), (23, 151), (33, 151), (56, 112), (47, 1), (29, 151), (71, 112), (35, 125), (106, 87), (129, 129), (157, 1), (149, 112), (16, 87), (126, 1), (95, 151), (90, 151), (65, 129), (131, 143), (27, 1), (63, 65), (38, 87), (64, 106), (160, 74), (70, 132), (39, 106), (59, 1), (26, 136), (139, 129), (125, 125), (85, 132), (76, 87), (155, 136), (75, 125), (83, 74), (116, 106), (104, 125), (118, 106), (60, 151), (132, 132), (127, 125), (136, 136), (2, 136), (24, 74), (147, 143), (107, 3), (55, 1), (150, 106), (97, 125), (148, 87), (46, 129), (58, 143), (154, 1), (73, 87), (34, 136), (98, 65), (79, 143), (101, 106), (128, 112), (67, 25), (52, 129), (96, 143), (57, 74), (87, 87), (119, 1), (121, 145), (89, 74), (66, 65), (143, 143), (69, 129), (25, 112), (17, 106), (21, 151), (15, 3), (36, 151), (51, 65), (78, 1), (18, 143), (41, 145), (159, 112), (22, 106), (110, 125), (117, 125), (130, 1), (115, 3), (142, 125), (135, 129), (111, 74), (30, 136), (84, 1), (152, 3), (140, 129), (88, 87), (32, 125), (11, 145), (77, 87), (61, 145), (20, 129), (93, 143), (113, 87), (151, 1), (124, 112), (99, 129), (1, 151), (13, 87), (12, 125)] current theta: 0.168654153372 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:20 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 23860 rows and 23896 columns Presolve time: 0.04s Presolved: 2223 rows, 2347 columns, 6471 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2347 integer (2347 binary) Root relaxation: objective -2.131628e-14, 1916 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 (4444 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 [1, 12, 25, 67, 70, 77, 80, 83, 87, 91, 104, 110, 113, 132, 151, 157, 160] edges [(102, 104), (158, 91), (117, 104), (150, 157), (54, 91), (136, 110), (34, 157), (134, 104), (140, 91), (19, 151), (143, 80), (58, 91), (30, 157), (81, 87), (96, 1), (55, 151), (139, 70), (126, 77), (8, 67), (118, 157), (122, 67), (60, 1), (131, 80), (98, 160), (9, 160), (2, 83), (125, 110), (94, 87), (144, 104), (57, 160), (123, 151), (42, 151), (92, 91), (32, 83), (89, 160), (79, 80), (137, 113), (146, 87), (120, 157), (63, 160), (156, 110), (127, 12), (0, 77), (24, 160), (116, 157), (72, 91), (124, 25), (155, 83), (26, 113), (4, 157), (107, 12), (82, 157), (66, 157), (121, 67), (31, 80), (149, 25), (22, 77), (36, 157), (21, 1), (47, 157), (29, 151), (112, 25), (83, 83), (44, 83), (17, 77), (154, 151), (12, 110), (106, 87), (70, 70), (65, 160), (27, 157), (73, 113), (48, 110), (90, 151), (104, 104), (100, 1), (64, 113), (74, 91), (43, 104), (115, 157), (38, 87), (111, 1), (59, 157), (1, 1), (25, 25), (53, 67), (75, 110), (52, 70), (68, 113), (28, 77), (49, 151), (77, 77), (51, 91), (76, 87), (80, 80), (152, 104), (13, 77), (15, 12), (132, 132), (109, 104), (129, 70), (119, 157), (46, 70), (85, 70), (148, 87), (95, 80), (101, 77), (86, 77), (11, 113), (5, 160), (37, 83), (39, 157), (145, 67), (50, 80), (97, 104), (61, 113), (67, 67), (69, 83), (87, 87), (40, 110), (91, 91), (113, 113), (23, 157), (128, 25), (135, 83), (157, 157), (35, 104), (18, 80), (10, 77), (151, 151), (3, 110), (62, 77), (105, 25), (14, 91), (6, 77), (153, 157), (99, 91), (45, 80), (130, 1), (108, 80), (93, 91), (138, 83), (20, 83), (159, 12), (78, 151), (133, 12), (103, 113), (33, 77), (88, 87), (110, 110), (141, 104), (84, 157), (147, 80), (41, 113), (71, 110), (142, 110), (114, 80), (56, 25), (160, 83), (16, 77), (7, 83)] current theta: 0.0843270766859 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:20 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 25288 rows and 25448 columns Presolve time: 0.02s Presolved: 795 rows, 795 columns, 2077 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 795 integer (794 binary) Root relaxation: cutoff, 426 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 (426 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: 0.126490615029 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:20 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24640 rows and 24757 columns Presolve time: 0.03s Presolved: 1443 rows, 1486 columns, 4052 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1486 integer (1485 binary) Root relaxation: cutoff, 1708 iterations, 0.03 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 (1708 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.1475723842 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:20 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24254 rows and 24321 columns Presolve time: 0.04s Presolved: 1829 rows, 1922 columns, 5258 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1922 integer (1922 binary) Root relaxation: cutoff, 1867 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 (1867 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: 0.158113268786 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:21 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24048 rows and 24096 columns Presolve time: 0.04s Presolved: 2035 rows, 2147 columns, 5895 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2147 integer (2147 binary) Root relaxation: objective -7.105427e-15, 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 (3540 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 [1, 25, 44, 53, 59, 68, 70, 80, 86, 87, 91, 104, 126, 132, 142, 151, 160] edges [(156, 142), (102, 104), (158, 91), (28, 86), (117, 104), (54, 91), (119, 59), (140, 91), (19, 151), (143, 80), (58, 91), (110, 142), (81, 87), (96, 1), (55, 151), (139, 70), (60, 1), (131, 80), (98, 160), (9, 160), (106, 86), (94, 87), (155, 44), (57, 160), (123, 151), (42, 151), (92, 91), (89, 160), (62, 126), (77, 86), (137, 59), (120, 68), (79, 80), (13, 86), (53, 53), (15, 142), (3, 53), (146, 87), (63, 160), (86, 126), (24, 160), (72, 91), (138, 160), (124, 25), (36, 1), (31, 80), (149, 25), (8, 68), (30, 59), (64, 68), (47, 59), (103, 86), (21, 1), (67, 53), (29, 151), (145, 53), (112, 25), (59, 59), (154, 151), (70, 70), (65, 160), (116, 59), (118, 59), (4, 59), (90, 151), (2, 44), (23, 59), (40, 142), (104, 104), (100, 1), (122, 53), (74, 91), (153, 59), (38, 87), (111, 1), (66, 59), (126, 126), (1, 1), (37, 44), (25, 25), (22, 151), (32, 104), (52, 70), (101, 126), (61, 59), (49, 151), (51, 91), (48, 142), (159, 142), (76, 87), (80, 80), (134, 142), (152, 104), (73, 68), (125, 142), (132, 132), (150, 59), (109, 104), (129, 70), (46, 70), (85, 70), (144, 44), (148, 87), (95, 80), (12, 53), (160, 160), (127, 142), (5, 160), (135, 44), (68, 68), (41, 68), (157, 59), (39, 59), (50, 80), (107, 53), (26, 53), (97, 104), (17, 126), (82, 59), (87, 87), (91, 91), (133, 59), (128, 25), (27, 59), (35, 104), (0, 86), (18, 80), (71, 142), (11, 68), (16, 126), (115, 59), (151, 151), (10, 86), (105, 25), (14, 91), (99, 91), (84, 86), (45, 80), (130, 1), (20, 44), (33, 86), (108, 80), (93, 91), (78, 151), (7, 44), (113, 68), (121, 53), (43, 44), (136, 142), (88, 87), (75, 142), (141, 104), (44, 44), (147, 80), (83, 44), (114, 80), (69, 44), (56, 25), (142, 142), (34, 59), (6, 86)] current theta: 0.152842826493 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:21 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24156 rows and 24211 columns Presolve time: 0.04s Presolved: 1927 rows, 2032 columns, 5564 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2032 integer (2032 binary) Root relaxation: cutoff, 2070 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 (2070 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: 0.15547804764 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:21 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24106 rows and 24159 columns Presolve time: 0.04s Presolved: 1977 rows, 2084 columns, 5716 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2084 integer (2084 binary) Root relaxation: objective -1.421085e-14, 2168 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 0 156 - -0.00000 - - 0s 0 0 0.00000 0 299 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 2 0.00000 0 213 - 0.00000 - - 0s Cutting planes: Zero half: 5 Explored 3 nodes (23145 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.156795658213 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:22 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24090 rows and 24142 columns Presolve time: 0.04s Presolved: 1993 rows, 2101 columns, 5765 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2101 integer (2101 binary) Root relaxation: objective 0.000000e+00, 2230 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 0 159 - 0.00000 - - 0s 0 0 0.00000 0 399 - 0.00000 - - 0s 0 0 0.00000 0 212 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 213 - 0.00000 - - 0s 0 0 0.00000 0 191 - 0.00000 - - 0s 0 0 0.00000 0 260 - 0.00000 - - 0s 0 0 0.00000 0 86 - 0.00000 - - 1s 0 0 0.00000 0 188 - 0.00000 - - 1s 0 0 0.00000 0 174 - 0.00000 - - 1s * 0 0 0 0.0000000 0.00000 0.00% - 1s Cutting planes: Gomory: 1 Zero half: 3 Explored 1 nodes (31184 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [7, 11, 25, 35, 45, 53, 57, 61, 78, 80, 81, 85, 91, 106, 132, 142, 153] edges [(129, 85), (158, 91), (54, 91), (85, 85), (61, 61), (140, 91), (10, 78), (70, 85), (143, 80), (58, 91), (34, 153), (110, 142), (44, 7), (52, 35), (42, 78), (152, 142), (160, 57), (63, 57), (86, 106), (131, 80), (17, 78), (148, 81), (102, 7), (150, 61), (157, 61), (139, 85), (92, 91), (55, 45), (133, 61), (79, 80), (87, 81), (29, 45), (5, 85), (53, 53), (15, 142), (3, 53), (27, 61), (20, 7), (135, 7), (60, 45), (72, 91), (124, 25), (89, 57), (156, 7), (115, 61), (126, 78), (96, 45), (116, 153), (49, 78), (37, 7), (41, 11), (82, 153), (31, 80), (149, 25), (138, 85), (101, 78), (11, 11), (65, 57), (88, 81), (67, 53), (73, 106), (145, 53), (112, 25), (1, 153), (130, 78), (69, 7), (120, 61), (36, 153), (47, 153), (97, 35), (59, 153), (40, 142), (122, 53), (74, 91), (64, 11), (109, 35), (25, 25), (154, 78), (77, 81), (7, 7), (32, 7), (35, 35), (46, 85), (2, 7), (43, 7), (0, 78), (81, 81), (66, 153), (51, 91), (48, 142), (159, 142), (80, 80), (134, 142), (104, 35), (151, 78), (62, 81), (19, 45), (113, 11), (22, 78), (125, 142), (132, 132), (98, 57), (24, 57), (95, 80), (153, 153), (94, 81), (13, 106), (12, 53), (119, 153), (141, 35), (127, 142), (100, 57), (33, 78), (90, 78), (50, 80), (21, 45), (107, 53), (26, 53), (76, 106), (39, 153), (91, 91), (117, 35), (78, 78), (6, 106), (128, 25), (8, 11), (144, 7), (137, 61), (103, 106), (155, 7), (23, 153), (28, 81), (123, 78), (18, 80), (71, 142), (146, 106), (57, 57), (111, 153), (105, 25), (14, 91), (99, 91), (83, 7), (45, 80), (16, 81), (4, 61), (108, 80), (93, 91), (136, 142), (30, 61), (75, 142), (147, 80), (38, 81), (106, 81), (9, 57), (114, 80), (56, 25), (118, 61), (68, 11), (142, 142), (84, 153), (121, 11)] current theta: 0.156136852926 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:23 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24096 rows and 24148 columns Presolve time: 0.04s Presolved: 1987 rows, 2095 columns, 5747 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 2095 integer (2095 binary) Root relaxation: cutoff, 53 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 (53 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 [7, 11, 25, 35, 45, 53, 57, 61, 78, 80, 81, 85, 91, 106, 132, 142, 153] edges [(129, 85), (158, 91), (54, 91), (85, 85), (61, 61), (140, 91), (10, 78), (70, 85), (143, 80), (58, 91), (34, 153), (110, 142), (44, 7), (52, 35), (42, 78), (152, 142), (160, 57), (63, 57), (86, 106), (131, 80), (17, 78), (148, 81), (102, 7), (150, 61), (157, 61), (139, 85), (92, 91), (55, 45), (133, 61), (79, 80), (87, 81), (29, 45), (5, 85), (53, 53), (15, 142), (3, 53), (27, 61), (20, 7), (135, 7), (60, 45), (72, 91), (124, 25), (89, 57), (156, 7), (115, 61), (126, 78), (96, 45), (116, 153), (49, 78), (37, 7), (41, 11), (82, 153), (31, 80), (149, 25), (138, 85), (101, 78), (11, 11), (65, 57), (88, 81), (67, 53), (73, 106), (145, 53), (112, 25), (1, 153), (130, 78), (69, 7), (120, 61), (36, 153), (47, 153), (97, 35), (59, 153), (40, 142), (122, 53), (74, 91), (64, 11), (109, 35), (25, 25), (154, 78), (77, 81), (7, 7), (32, 7), (35, 35), (46, 85), (2, 7), (43, 7), (0, 78), (81, 81), (66, 153), (51, 91), (48, 142), (159, 142), (80, 80), (134, 142), (104, 35), (151, 78), (62, 81), (19, 45), (113, 11), (22, 78), (125, 142), (132, 132), (98, 57), (24, 57), (95, 80), (153, 153), (94, 81), (13, 106), (12, 53), (119, 153), (141, 35), (127, 142), (100, 57), (33, 78), (90, 78), (50, 80), (21, 45), (107, 53), (26, 53), (76, 106), (39, 153), (91, 91), (117, 35), (78, 78), (6, 106), (128, 25), (8, 11), (144, 7), (137, 61), (103, 106), (155, 7), (23, 153), (28, 81), (123, 78), (18, 80), (71, 142), (146, 106), (57, 57), (111, 153), (105, 25), (14, 91), (99, 91), (83, 7), (45, 80), (16, 81), (4, 61), (108, 80), (93, 91), (136, 142), (30, 61), (75, 142), (147, 80), (38, 81), (106, 81), (9, 57), (114, 80), (56, 25), (118, 61), (68, 11), (142, 142), (84, 153), (121, 11)] current theta: 0.155807450283 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:23 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24100 rows and 24153 columns Presolve time: 0.04s Presolved: 1983 rows, 2090 columns, 5734 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2090 integer (2090 binary) Root relaxation: objective -2.842171e-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 0 153 - -0.00000 - - 0s 0 0 -0.00000 0 399 - -0.00000 - - 0s 0 0 0.00000 0 210 - -0.00000 - - 0s 0 0 0.00000 0 209 - 0.00000 - - 0s 0 0 0.00000 0 191 - 0.00000 - - 0s 0 0 0.00000 0 206 - 0.00000 - - 0s 0 0 0.00000 0 198 - 0.00000 - - 0s 0 0 0.00000 0 231 - 0.00000 - - 0s 0 0 0.00000 0 231 - 0.00000 - - 0s 0 0 0.00000 0 148 - 0.00000 - - 1s 0 0 0.00000 0 250 - 0.00000 - - 1s 0 0 0.00000 0 176 - 0.00000 - - 1s 0 0 0.00000 0 204 - 0.00000 - - 1s 0 0 0.00000 0 201 - 0.00000 - - 1s 0 0 0.00000 0 163 - 0.00000 - - 1s 0 0 0.00000 0 234 - 0.00000 - - 1s 0 0 0.00000 0 234 - 0.00000 - - 1s 0 2 0.00000 0 233 - 0.00000 - - 1s Cutting planes: Gomory: 1 Zero half: 11 Explored 11 nodes (47937 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.155972151605 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:25 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24100 rows and 24153 columns Presolve time: 0.04s Presolved: 1983 rows, 2090 columns, 5734 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2090 integer (2090 binary) Root relaxation: objective -2.842171e-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 0 153 - -0.00000 - - 0s 0 0 -0.00000 0 399 - -0.00000 - - 0s 0 0 0.00000 0 210 - -0.00000 - - 0s 0 0 0.00000 0 209 - 0.00000 - - 0s 0 0 0.00000 0 191 - 0.00000 - - 0s 0 0 0.00000 0 206 - 0.00000 - - 0s 0 0 0.00000 0 198 - 0.00000 - - 0s 0 0 0.00000 0 231 - 0.00000 - - 0s 0 0 0.00000 0 231 - 0.00000 - - 0s 0 0 0.00000 0 148 - 0.00000 - - 1s 0 0 0.00000 0 250 - 0.00000 - - 1s 0 0 0.00000 0 176 - 0.00000 - - 1s 0 0 0.00000 0 204 - 0.00000 - - 1s 0 0 0.00000 0 201 - 0.00000 - - 1s 0 0 0.00000 0 163 - 0.00000 - - 1s 0 0 0.00000 0 234 - 0.00000 - - 1s 0 0 0.00000 0 234 - 0.00000 - - 1s 0 2 0.00000 0 233 - 0.00000 - - 1s Cutting planes: Gomory: 1 Zero half: 11 Explored 11 nodes (47937 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.156054502265 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:21:27 2014 Optimize a model with 26083 rows, 26243 columns and 78085 nonzeros Presolve removed 24098 rows and 24150 columns Presolve time: 0.04s Presolved: 1985 rows, 2093 columns, 5741 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2093 integer (2093 binary) Root relaxation: objective -4.973799e-14, 2229 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 0 162 - -0.00000 - - 0s 0 0 0.00000 0 342 - 0.00000 - - 0s 0 0 0.00000 0 179 - 0.00000 - - 0s 0 0 0.00000 0 225 - 0.00000 - - 0s 0 0 0.00000 0 152 - 0.00000 - - 0s 0 0 0.00000 0 233 - 0.00000 - - 0s 0 0 0.00000 0 247 - 0.00000 - - 0s 0 0 0.00000 0 247 - 0.00000 - - 0s 0 2 0.00000 0 247 - 0.00000 - - 0s Cutting planes: Gomory: 1 Zero half: 9 Explored 7 nodes (24021 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -