current theta: 0.673850953212 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:55 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 7952 rows and 7952 columns Presolve time: 0.47s Presolved: 19771 rows, 19936 columns, 59144 nonzeros Variable types: 0 continuous, 19936 integer (19936 binary) Root relaxation: objective 0.000000e+00, 2121 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 (4312 simplex iterations) in 0.81 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, 6, 10, 17, 21, 37, 54, 67, 77, 81, 92, 114, 116, 121, 126, 141, 151] edges [(69, 121), (115, 54), (90, 54), (113, 116), (139, 141), (43, 121), (130, 121), (72, 121), (58, 17), (0, 21), (85, 114), (18, 77), (62, 114), (117, 54), (108, 114), (151, 114), (21, 114), (148, 116), (120, 114), (146, 54), (121, 126), (162, 114), (67, 54), (92, 116), (81, 67), (36, 17), (64, 21), (29, 81), (22, 2), (10, 17), (28, 17), (37, 114), (32, 2), (42, 21), (116, 2), (27, 2), (155, 126), (140, 67), (105, 54), (19, 121), (131, 10), (149, 54), (132, 114), (16, 54), (91, 116), (87, 114), (60, 10), (158, 10), (70, 37), (33, 121), (56, 81), (124, 67), (123, 10), (4, 121), (127, 114), (7, 54), (122, 10), (88, 114), (141, 77), (71, 116), (152, 2), (106, 17), (75, 114), (26, 121), (24, 114), (34, 37), (80, 17), (57, 121), (93, 10), (129, 114), (94, 121), (39, 114), (3, 2), (159, 10), (134, 2), (38, 114), (51, 114), (97, 141), (165, 116), (164, 54), (136, 77), (11, 151), (15, 114), (145, 114), (98, 37), (99, 77), (74, 67), (84, 77), (78, 81), (40, 10), (143, 121), (13, 114), (111, 21), (31, 114), (65, 114), (61, 2), (135, 126), (14, 67), (76, 114), (114, 17), (1, 114), (2, 81), (59, 17), (9, 54), (89, 126), (23, 21), (6, 114), (104, 10), (17, 10), (153, 54), (35, 54), (41, 21), (161, 77), (125, 67), (63, 10), (5, 114), (126, 37), (144, 77), (147, 114), (73, 67), (102, 10), (119, 114), (95, 10), (68, 114), (54, 37), (12, 2), (107, 10), (96, 54), (100, 54), (118, 114), (86, 81), (128, 17), (50, 10), (55, 114), (101, 10), (133, 121), (163, 114), (25, 116), (44, 2), (66, 114), (82, 10), (109, 126), (45, 2), (79, 116), (157, 116), (138, 114), (20, 114), (156, 54), (47, 81), (112, 37), (52, 54), (150, 21), (83, 114), (137, 81), (154, 10), (77, 141), (110, 114), (103, 2), (49, 54), (48, 121), (53, 54), (160, 2), (142, 114), (8, 114), (30, 37), (46, 2)] current theta: 0.336925476606 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:56 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 20362 rows and 20362 columns Presolve time: 0.20s Presolved: 7361 rows, 7526 columns, 21914 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 7526 integer (7526 binary) Root relaxation: objective 0.000000e+00, 1385 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 (3131 simplex iterations) in 0.34 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, 21, 39, 45, 50, 67, 72, 81, 83, 94, 103, 131, 149, 156, 157, 159, 160] edges [(120, 156), (101, 156), (44, 94), (114, 72), (131, 149), (64, 149), (111, 156), (41, 149), (158, 149), (156, 83), (0, 21), (29, 156), (72, 157), (162, 45), (138, 149), (34, 149), (145, 149), (151, 39), (33, 81), (140, 160), (47, 72), (35, 160), (10, 83), (103, 50), (117, 103), (68, 45), (147, 21), (16, 156), (113, 157), (80, 160), (7, 160), (96, 83), (18, 94), (46, 72), (42, 156), (94, 157), (139, 157), (121, 72), (104, 156), (15, 72), (89, 45), (88, 157), (128, 156), (126, 157), (95, 156), (85, 72), (38, 149), (99, 103), (109, 149), (125, 156), (71, 157), (59, 72), (36, 83), (87, 72), (8, 157), (17, 81), (116, 157), (134, 72), (91, 72), (86, 72), (6, 21), (102, 149), (92, 157), (14, 103), (163, 21), (45, 4), (67, 160), (66, 83), (149, 149), (97, 72), (124, 160), (137, 72), (82, 4), (107, 50), (144, 72), (129, 83), (160, 81), (93, 81), (165, 157), (161, 50), (27, 149), (21, 21), (118, 131), (51, 83), (53, 67), (164, 72), (136, 157), (58, 81), (74, 156), (57, 83), (30, 160), (9, 157), (155, 149), (135, 72), (159, 149), (3, 72), (133, 149), (56, 156), (5, 45), (157, 94), (52, 156), (78, 160), (100, 103), (142, 156), (22, 50), (31, 160), (26, 156), (75, 72), (25, 157), (148, 21), (11, 72), (1, 156), (54, 103), (12, 160), (115, 156), (43, 149), (55, 21), (154, 156), (110, 156), (61, 149), (48, 45), (60, 156), (39, 149), (150, 156), (76, 159), (127, 39), (49, 156), (65, 21), (40, 156), (141, 157), (143, 81), (79, 94), (153, 72), (70, 72), (77, 157), (122, 156), (23, 149), (146, 81), (50, 103), (4, 159), (119, 21), (112, 72), (19, 156), (132, 50), (13, 72), (20, 156), (24, 21), (63, 156), (123, 45), (32, 94), (106, 72), (62, 160), (73, 156), (84, 94), (81, 160), (98, 94), (37, 157), (90, 149), (108, 72), (69, 156), (105, 149), (130, 21), (83, 156), (2, 157), (152, 149), (28, 156)] current theta: 0.168462738303 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:56 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25302 rows and 25333 columns Presolve time: 0.04s Presolved: 2421 rows, 2555 columns, 7063 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2555 integer (2555 binary) Root relaxation: objective 1.065814e-14, 2012 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 (5010 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 [15, 23, 39, 48, 50, 55, 73, 74, 80, 98, 104, 114, 141, 146, 158, 164, 165] edges [(5, 39), (85, 15), (112, 50), (3, 50), (36, 104), (92, 165), (84, 165), (50, 73), (128, 73), (147, 158), (82, 23), (30, 50), (143, 80), (91, 15), (119, 55), (70, 98), (87, 15), (54, 164), (31, 74), (151, 39), (24, 55), (145, 158), (79, 165), (74, 73), (108, 15), (137, 98), (78, 146), (131, 158), (18, 98), (1, 23), (117, 50), (12, 74), (148, 158), (59, 98), (142, 23), (111, 48), (66, 104), (116, 141), (125, 73), (25, 165), (41, 23), (40, 104), (38, 55), (121, 164), (32, 164), (23, 23), (27, 158), (163, 55), (98, 98), (149, 158), (89, 158), (118, 50), (21, 55), (130, 158), (63, 48), (155, 114), (113, 141), (37, 165), (7, 74), (67, 80), (34, 48), (62, 80), (22, 73), (139, 98), (83, 104), (73, 73), (52, 73), (132, 48), (123, 158), (158, 158), (95, 74), (126, 141), (48, 48), (97, 114), (150, 23), (161, 164), (101, 48), (0, 158), (69, 104), (20, 23), (64, 55), (88, 15), (104, 104), (2, 98), (107, 73), (72, 165), (96, 104), (39, 158), (60, 73), (115, 48), (133, 114), (56, 74), (102, 48), (75, 15), (57, 104), (76, 48), (6, 55), (17, 80), (47, 50), (120, 23), (80, 80), (49, 73), (28, 73), (99, 164), (13, 114), (33, 146), (61, 55), (68, 39), (4, 48), (134, 98), (90, 48), (157, 165), (110, 74), (140, 146), (127, 55), (146, 146), (165, 165), (122, 23), (164, 164), (8, 165), (162, 39), (58, 74), (11, 164), (42, 23), (135, 114), (129, 104), (114, 114), (105, 48), (144, 98), (154, 104), (156, 104), (14, 50), (81, 80), (53, 74), (71, 165), (16, 23), (100, 50), (15, 15), (45, 158), (138, 39), (46, 98), (103, 164), (51, 104), (10, 104), (19, 23), (106, 114), (160, 146), (86, 164), (43, 114), (136, 98), (9, 165), (153, 98), (109, 158), (124, 50), (141, 141), (159, 23), (55, 55), (94, 165), (152, 158), (77, 141), (65, 55), (26, 104), (44, 98), (29, 73), (35, 74), (93, 74)] current theta: 0.0842313691515 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:56 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 26842 rows and 27007 columns Presolve time: 0.02s Presolved: 881 rows, 881 columns, 2319 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 881 integer (880 binary) Root relaxation: cutoff, 986 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 (986 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: 0.126347053727 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:56 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 26190 rows and 26303 columns Presolve time: 0.03s Presolved: 1533 rows, 1585 columns, 4317 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1585 integer (1585 binary) Root relaxation: cutoff, 1879 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 (1879 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: 0.147404896015 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:57 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25776 rows and 25837 columns Presolve time: 0.04s Presolved: 1947 rows, 2051 columns, 5611 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2051 integer (2051 binary) Root relaxation: cutoff, 2217 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 (2217 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: 0.157933817159 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:57 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25552 rows and 25595 columns Presolve time: 0.04s Presolved: 2171 rows, 2293 columns, 6301 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2293 integer (2293 binary) Root relaxation: objective 1.421085e-14, 2040 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 (3745 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 [16, 38, 71, 77, 81, 83, 84, 85, 101, 110, 125, 135, 137, 143, 152, 154, 161] edges [(145, 152), (42, 16), (151, 85), (85, 85), (40, 83), (127, 38), (16, 16), (98, 137), (95, 110), (100, 125), (71, 71), (107, 125), (67, 81), (99, 137), (38, 38), (7, 125), (55, 38), (61, 152), (114, 135), (65, 38), (106, 161), (92, 71), (105, 101), (156, 154), (90, 101), (126, 77), (14, 125), (10, 83), (164, 137), (113, 71), (50, 125), (33, 143), (132, 101), (26, 154), (45, 152), (52, 154), (80, 143), (119, 38), (79, 84), (157, 84), (25, 71), (133, 135), (102, 16), (8, 84), (86, 161), (48, 101), (5, 85), (13, 161), (154, 154), (76, 16), (137, 143), (46, 84), (134, 84), (59, 137), (62, 143), (104, 83), (111, 101), (35, 110), (82, 16), (84, 84), (108, 135), (141, 77), (15, 71), (75, 85), (2, 84), (37, 77), (21, 38), (44, 137), (11, 161), (142, 16), (43, 135), (140, 143), (83, 83), (18, 137), (32, 161), (148, 135), (29, 110), (72, 71), (144, 84), (94, 84), (139, 84), (6, 38), (34, 135), (129, 83), (160, 81), (78, 143), (69, 154), (109, 152), (47, 161), (51, 83), (53, 110), (112, 101), (162, 135), (57, 83), (73, 125), (115, 101), (77, 77), (165, 71), (28, 154), (118, 125), (81, 81), (125, 125), (96, 154), (87, 71), (116, 77), (74, 110), (163, 38), (19, 16), (17, 143), (27, 152), (49, 110), (152, 152), (150, 16), (161, 161), (36, 154), (93, 110), (64, 152), (30, 143), (20, 16), (91, 71), (147, 152), (159, 16), (89, 135), (120, 16), (131, 101), (31, 110), (149, 152), (70, 84), (135, 135), (68, 85), (97, 161), (88, 71), (124, 143), (143, 143), (123, 152), (22, 125), (24, 152), (103, 125), (130, 152), (41, 152), (56, 110), (9, 71), (54, 143), (158, 152), (101, 101), (128, 101), (117, 125), (4, 16), (60, 125), (1, 16), (121, 161), (3, 137), (66, 154), (153, 84), (58, 110), (0, 38), (146, 143), (110, 110), (155, 135), (122, 16), (138, 152), (23, 16), (39, 152), (63, 16), (12, 125), (136, 84)] current theta: 0.152669356587 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:57 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25658 rows and 25707 columns Presolve time: 0.04s Presolved: 2065 rows, 2181 columns, 5977 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2181 integer (2181 binary) Root relaxation: objective 0.000000e+00, 2107 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 (3394 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 [3, 29, 43, 66, 71, 74, 81, 118, 119, 123, 132, 139, 141, 143, 151, 159, 161] edges [(66, 66), (59, 3), (52, 29), (127, 119), (71, 71), (67, 81), (106, 161), (92, 71), (101, 132), (37, 141), (73, 74), (31, 74), (48, 132), (19, 159), (61, 123), (113, 71), (69, 66), (4, 132), (33, 143), (43, 43), (110, 29), (12, 74), (159, 159), (116, 141), (36, 66), (104, 66), (46, 139), (145, 123), (27, 123), (60, 118), (76, 132), (100, 118), (86, 161), (13, 161), (138, 123), (102, 132), (14, 118), (136, 139), (23, 159), (148, 151), (17, 81), (62, 143), (49, 74), (7, 74), (2, 139), (99, 3), (84, 139), (15, 71), (74, 29), (105, 132), (11, 161), (126, 141), (142, 159), (155, 43), (140, 143), (65, 119), (32, 161), (72, 71), (164, 161), (50, 118), (131, 132), (154, 66), (160, 81), (78, 143), (114, 43), (47, 161), (119, 119), (152, 123), (41, 123), (150, 159), (115, 132), (83, 66), (56, 74), (98, 139), (117, 118), (55, 119), (25, 141), (165, 71), (90, 132), (130, 123), (81, 81), (22, 74), (122, 159), (147, 123), (129, 66), (68, 151), (132, 132), (87, 71), (51, 66), (42, 159), (163, 119), (75, 151), (112, 118), (3, 118), (0, 123), (57, 66), (161, 161), (89, 43), (20, 159), (58, 74), (153, 139), (162, 151), (103, 118), (156, 66), (29, 29), (26, 66), (109, 123), (30, 143), (91, 71), (149, 123), (158, 123), (24, 123), (45, 123), (38, 119), (96, 66), (94, 139), (97, 161), (88, 71), (120, 159), (134, 139), (70, 139), (128, 132), (124, 143), (143, 143), (82, 159), (151, 151), (53, 74), (39, 43), (80, 81), (95, 29), (21, 119), (9, 71), (54, 143), (111, 132), (34, 43), (118, 118), (108, 43), (18, 139), (121, 161), (133, 43), (44, 139), (157, 141), (64, 123), (107, 118), (125, 74), (79, 139), (40, 66), (8, 139), (1, 159), (146, 143), (28, 132), (16, 159), (85, 151), (123, 123), (141, 141), (139, 139), (63, 132), (135, 43), (77, 141), (6, 119), (144, 139), (35, 74), (5, 151), (137, 3), (93, 74), (10, 66)] current theta: 0.150037126301 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:57 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25720 rows and 25776 columns Presolve time: 0.04s Presolved: 2003 rows, 2112 columns, 5784 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2112 integer (2112 binary) Root relaxation: objective 0.000000e+00, 2198 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 0.00000 0 144 - 0.00000 - - 0s 0 2 0.00000 0 144 - 0.00000 - - 0s Cutting planes: Zero half: 3 Explored 3 nodes (20562 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.151353241444 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:58 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25684 rows and 25735 columns Presolve time: 0.04s Presolved: 2039 rows, 2153 columns, 5897 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2153 integer (2153 binary) Root relaxation: objective 0.000000e+00, 2184 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 0 139 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 1 Zero half: 20 Explored 0 nodes (4740 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 [11, 15, 22, 28, 37, 66, 71, 110, 115, 119, 123, 139, 143, 148, 155, 159, 160] edges [(66, 66), (85, 15), (39, 148), (95, 110), (127, 119), (71, 71), (97, 155), (48, 28), (91, 15), (112, 155), (73, 28), (92, 71), (157, 37), (131, 115), (19, 159), (108, 15), (63, 115), (113, 71), (14, 22), (69, 66), (17, 160), (33, 143), (141, 37), (80, 160), (37, 37), (159, 159), (36, 66), (104, 66), (46, 139), (145, 123), (27, 123), (133, 155), (25, 71), (101, 115), (13, 155), (138, 123), (3, 11), (137, 143), (136, 139), (151, 148), (23, 159), (61, 148), (121, 155), (35, 110), (2, 139), (84, 139), (15, 71), (11, 11), (142, 159), (140, 143), (22, 22), (65, 119), (67, 160), (117, 22), (29, 110), (32, 11), (72, 71), (99, 11), (154, 66), (78, 143), (128, 115), (105, 155), (77, 37), (60, 22), (119, 119), (152, 123), (53, 110), (41, 123), (150, 159), (83, 66), (86, 11), (109, 148), (98, 139), (100, 22), (75, 15), (55, 119), (165, 71), (34, 155), (132, 115), (118, 22), (122, 159), (147, 123), (129, 66), (87, 71), (74, 110), (51, 66), (148, 148), (42, 159), (163, 119), (12, 22), (7, 22), (49, 110), (57, 66), (116, 37), (160, 160), (20, 159), (125, 22), (153, 139), (156, 66), (93, 110), (102, 115), (26, 66), (30, 143), (164, 11), (135, 155), (149, 123), (50, 22), (161, 11), (158, 123), (24, 123), (45, 123), (126, 37), (38, 119), (90, 115), (96, 66), (94, 139), (107, 22), (31, 110), (5, 148), (52, 28), (106, 155), (88, 71), (120, 159), (134, 139), (70, 139), (68, 148), (103, 22), (124, 143), (143, 143), (82, 159), (21, 119), (56, 110), (4, 159), (9, 71), (54, 143), (28, 28), (130, 148), (115, 28), (18, 139), (44, 139), (76, 115), (64, 123), (114, 155), (79, 139), (40, 66), (58, 110), (8, 139), (1, 159), (146, 143), (162, 148), (62, 160), (16, 159), (123, 123), (89, 155), (110, 110), (81, 160), (47, 11), (139, 139), (59, 11), (6, 119), (155, 155), (0, 148), (144, 139), (43, 148), (111, 115), (10, 66)] current theta: 0.150695183873 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:58 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25700 rows and 25753 columns Presolve time: 0.04s Presolved: 2023 rows, 2135 columns, 5847 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2135 integer (2135 binary) Root relaxation: objective 7.105427e-15, 2225 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 148 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 1 Zero half: 15 Explored 0 nodes (7971 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.151024212658 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:58 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25694 rows and 25747 columns Presolve time: 0.04s Presolved: 2029 rows, 2141 columns, 5865 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2141 integer (2141 binary) Root relaxation: objective 0.000000e+00, 2341 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 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 1 Zero half: 12 Explored 0 nodes (7171 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.151188727051 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:59 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25688 rows and 25740 columns Presolve time: 0.04s Presolved: 2035 rows, 2148 columns, 5884 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2148 integer (2148 binary) Root relaxation: objective 0.000000e+00, 2075 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 13 Explored 0 nodes (6983 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.151270984248 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:34:59 2014 Optimize a model with 27723 rows, 27888 columns and 83000 nonzeros Presolve removed 25688 rows and 25740 columns Presolve time: 0.04s Presolved: 2035 rows, 2148 columns, 5884 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2148 integer (2148 binary) Root relaxation: objective 0.000000e+00, 2075 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 144 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 13 Explored 0 nodes (6983 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -