current theta: 0.644856529571 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:09 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 13158 rows and 13158 columns Presolve time: 0.73s Presolved: 25063 rows, 25257 columns, 74991 nonzeros Variable types: 0 continuous, 25257 integer (25257 binary) Root relaxation: objective 0.000000e+00, 1863 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 (3968 simplex iterations) in 0.85 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, 14, 17, 19, 20, 22, 35, 79, 81, 85, 94, 102, 107, 114, 144, 147, 151, 154, 158, 179] edges [(14, 154), (175, 22), (121, 81), (15, 81), (170, 17), (70, 85), (81, 9), (25, 147), (188, 107), (56, 107), (183, 14), (153, 79), (19, 179), (95, 79), (102, 144), (71, 9), (30, 107), (136, 22), (142, 85), (116, 79), (108, 85), (177, 107), (179, 102), (97, 147), (0, 14), (103, 9), (184, 85), (109, 17), (26, 14), (174, 154), (47, 179), (77, 9), (65, 81), (180, 85), (176, 79), (140, 147), (123, 151), (161, 79), (118, 79), (189, 81), (159, 22), (162, 107), (122, 17), (31, 19), (75, 107), (49, 94), (43, 147), (52, 102), (141, 19), (158, 179), (35, 179), (41, 81), (149, 79), (23, 85), (4, 79), (53, 147), (34, 14), (60, 158), (85, 14), (58, 22), (192, 154), (42, 154), (84, 22), (86, 14), (96, 14), (91, 107), (6, 17), (167, 102), (72, 154), (74, 17), (100, 151), (5, 158), (187, 79), (112, 144), (98, 158), (106, 107), (39, 81), (87, 144), (12, 79), (154, 81), (94, 79), (150, 19), (117, 102), (22, 22), (119, 158), (130, 85), (156, 144), (190, 14), (134, 14), (36, 102), (182, 85), (132, 19), (2, 22), (59, 9), (76, 35), (133, 107), (20, 19), (88, 19), (131, 9), (193, 17), (168, 147), (89, 17), (33, 158), (3, 107), (61, 22), (124, 107), (24, 151), (28, 154), (79, 17), (178, 107), (62, 81), (9, 14), (11, 22), (99, 144), (186, 102), (171, 17), (157, 94), (10, 81), (17, 22), (48, 22), (40, 102), (18, 22), (160, 94), (120, 147), (27, 35), (145, 102), (63, 14), (8, 147), (83, 154), (73, 14), (104, 19), (148, 17), (143, 179), (135, 114), (191, 9), (139, 151), (45, 22), (105, 154), (13, 14), (93, 102), (151, 179), (64, 107), (169, 151), (194, 179), (78, 158), (68, 85), (29, 17), (101, 14), (155, 81), (67, 154), (164, 154), (127, 14), (163, 85), (147, 154), (69, 17), (144, 179), (146, 81), (107, 14), (37, 79), (55, 35), (82, 14), (38, 19), (126, 81), (172, 151), (80, 85), (152, 147), (44, 81), (125, 179), (165, 179), (7, 17), (173, 79), (138, 35), (128, 14), (166, 94), (51, 19), (111, 107), (66, 81), (181, 81), (54, 154), (90, 79), (46, 79), (21, 102), (113, 35), (185, 14), (1, 147), (110, 9), (115, 85), (57, 102), (129, 81), (114, 147), (92, 154), (137, 85), (50, 154), (16, 151), (32, 144)] current theta: 0.322428264785 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:10 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 28950 rows and 28950 columns Presolve time: 0.28s Presolved: 9271 rows, 9465 columns, 27615 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 9465 integer (9465 binary) Root relaxation: objective 0.000000e+00, 1488 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 (3911 simplex iterations) in 0.44 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 [6, 15, 17, 19, 26, 35, 54, 56, 85, 96, 99, 115, 119, 144, 151, 157, 158, 167, 181, 186] edges [(128, 26), (146, 115), (194, 54), (157, 99), (61, 99), (172, 181), (108, 167), (80, 115), (185, 26), (136, 119), (13, 181), (179, 181), (44, 119), (159, 119), (56, 181), (102, 15), (6, 99), (117, 85), (135, 181), (96, 186), (23, 115), (154, 26), (76, 144), (175, 96), (37, 99), (183, 186), (163, 15), (192, 26), (75, 115), (84, 6), (131, 26), (106, 115), (115, 115), (64, 54), (67, 96), (174, 181), (171, 186), (168, 26), (139, 157), (31, 19), (51, 115), (59, 167), (99, 99), (100, 181), (0, 26), (133, 115), (142, 115), (29, 99), (176, 167), (2, 6), (123, 19), (32, 26), (82, 186), (160, 119), (83, 26), (89, 115), (97, 167), (11, 99), (173, 15), (26, 26), (190, 157), (86, 167), (169, 99), (140, 26), (8, 26), (22, 119), (60, 181), (3, 26), (150, 181), (165, 6), (105, 115), (138, 181), (12, 17), (143, 181), (49, 99), (9, 26), (28, 167), (121, 96), (118, 6), (148, 167), (68, 167), (180, 115), (187, 17), (63, 15), (178, 26), (85, 96), (164, 54), (72, 26), (5, 115), (137, 167), (107, 54), (33, 167), (55, 157), (161, 99), (113, 19), (47, 54), (141, 158), (132, 181), (36, 119), (162, 54), (54, 167), (110, 167), (43, 26), (79, 17), (42, 26), (69, 99), (181, 181), (120, 54), (98, 115), (78, 99), (20, 35), (88, 115), (166, 181), (155, 96), (94, 6), (125, 26), (122, 167), (74, 119), (129, 167), (145, 17), (93, 157), (18, 96), (39, 26), (25, 167), (73, 186), (153, 99), (16, 35), (149, 15), (188, 186), (65, 167), (57, 99), (91, 181), (27, 35), (127, 26), (30, 181), (170, 15), (186, 186), (71, 26), (126, 186), (70, 167), (50, 115), (95, 99), (35, 181), (81, 115), (193, 167), (77, 26), (156, 119), (45, 119), (62, 96), (103, 26), (34, 54), (7, 6), (144, 158), (4, 115), (111, 157), (124, 181), (158, 99), (114, 26), (14, 167), (10, 96), (19, 181), (151, 151), (104, 167), (15, 15), (1, 186), (40, 15), (38, 99), (17, 17), (101, 17), (119, 17), (191, 115), (52, 186), (109, 99), (184, 115), (87, 99), (130, 54), (46, 17), (116, 115), (24, 35), (177, 167), (112, 181), (152, 26), (167, 115), (58, 167), (21, 167), (147, 26), (189, 115), (48, 15), (66, 99), (92, 115), (53, 96), (134, 181), (90, 186), (41, 186), (182, 186)] current theta: 0.161214132393 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:11 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35160 rows and 35193 columns Presolve time: 0.06s Presolved: 3061 rows, 3222 columns, 8952 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3222 integer (3222 binary) Root relaxation: objective -7.105427e-15, 2566 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 (4198 simplex iterations) in 0.19 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, 31, 35, 38, 40, 48, 53, 60, 78, 111, 115, 123, 145, 159, 174, 184, 186, 191, 192, 193] edges [(3, 191), (14, 191), (146, 115), (17, 145), (169, 31), (15, 193), (155, 115), (114, 174), (13, 9), (7, 145), (179, 123), (139, 111), (68, 115), (38, 38), (50, 191), (94, 145), (163, 193), (71, 9), (120, 191), (96, 186), (58, 193), (152, 192), (142, 191), (141, 78), (183, 186), (37, 78), (82, 40), (86, 184), (154, 192), (118, 38), (57, 60), (49, 38), (151, 35), (97, 115), (75, 184), (29, 111), (115, 115), (69, 78), (110, 193), (51, 111), (135, 174), (130, 192), (18, 186), (47, 191), (60, 60), (181, 123), (70, 115), (56, 123), (64, 191), (36, 48), (143, 60), (79, 145), (140, 9), (11, 78), (133, 115), (20, 123), (53, 53), (104, 111), (192, 192), (89, 111), (59, 191), (99, 78), (63, 193), (116, 186), (174, 174), (84, 111), (109, 78), (98, 111), (72, 9), (42, 192), (170, 145), (117, 186), (108, 115), (48, 48), (76, 78), (67, 53), (190, 111), (172, 174), (105, 115), (95, 38), (24, 60), (137, 191), (83, 192), (101, 48), (22, 159), (6, 38), (144, 35), (158, 60), (103, 191), (149, 145), (106, 191), (161, 111), (188, 193), (122, 193), (113, 31), (62, 53), (8, 192), (91, 9), (134, 60), (191, 191), (90, 40), (136, 38), (35, 35), (44, 38), (153, 38), (27, 60), (127, 191), (12, 145), (23, 191), (175, 186), (187, 145), (171, 48), (45, 38), (166, 111), (126, 53), (100, 123), (159, 145), (25, 184), (39, 192), (132, 123), (32, 174), (107, 192), (177, 191), (10, 186), (43, 192), (88, 191), (150, 9), (2, 48), (31, 60), (185, 192), (124, 123), (131, 192), (186, 186), (16, 60), (182, 53), (80, 186), (119, 145), (178, 192), (125, 9), (65, 191), (78, 78), (28, 184), (93, 145), (176, 186), (81, 115), (40, 40), (148, 193), (87, 78), (46, 145), (112, 123), (156, 38), (5, 191), (102, 111), (21, 193), (34, 191), (54, 115), (9, 9), (138, 174), (157, 38), (0, 9), (121, 186), (74, 145), (173, 145), (1, 186), (55, 78), (147, 192), (164, 191), (33, 115), (162, 191), (145, 145), (111, 111), (85, 53), (168, 192), (52, 186), (66, 78), (165, 111), (61, 78), (73, 115), (160, 48), (184, 184), (123, 123), (193, 193), (167, 115), (194, 174), (30, 123), (26, 9), (189, 115), (4, 111), (180, 186), (129, 193), (77, 174), (41, 186), (128, 192), (19, 35), (92, 53)] current theta: 0.0806070661964 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:11 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 37066 rows and 37257 columns Presolve time: 0.03s Presolved: 1155 rows, 1158 columns, 3090 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1158 integer (1157 binary) Root relaxation: cutoff, 1297 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 (1297 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: 0.120910599295 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:11 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 36230 rows and 36345 columns Presolve time: 0.05s Presolved: 1991 rows, 2070 columns, 5662 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2070 integer (2070 binary) Root relaxation: cutoff, 2378 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 (2378 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: 0.141062365844 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:11 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35714 rows and 35782 columns Presolve time: 0.05s Presolved: 2507 rows, 2633 columns, 7255 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2633 integer (2633 binary) Root relaxation: objective -2.842171e-14, 2266 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 (4922 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 [9, 15, 19, 21, 31, 53, 76, 79, 86, 88, 90, 112, 117, 145, 146, 156, 164, 165, 172, 185] edges [(39, 185), (84, 165), (17, 145), (174, 172), (13, 9), (14, 164), (57, 31), (135, 172), (112, 112), (110, 21), (71, 9), (86, 86), (97, 164), (27, 31), (4, 21), (35, 19), (52, 117), (47, 146), (170, 79), (115, 146), (75, 86), (142, 164), (82, 90), (178, 185), (7, 156), (88, 88), (37, 156), (42, 185), (160, 15), (111, 165), (23, 164), (104, 21), (31, 31), (140, 9), (49, 165), (87, 76), (53, 53), (137, 164), (78, 76), (5, 146), (121, 117), (187, 79), (138, 172), (72, 185), (68, 146), (56, 112), (32, 88), (64, 164), (98, 165), (54, 146), (190, 172), (116, 117), (133, 146), (1, 53), (94, 79), (67, 53), (163, 21), (79, 79), (184, 86), (20, 112), (120, 88), (153, 156), (41, 53), (66, 76), (191, 88), (3, 88), (51, 21), (130, 164), (129, 21), (25, 164), (162, 185), (166, 172), (95, 156), (109, 156), (65, 164), (152, 185), (73, 117), (70, 21), (2, 15), (158, 31), (24, 31), (29, 165), (113, 31), (194, 172), (21, 21), (91, 9), (139, 76), (169, 76), (131, 185), (186, 117), (134, 31), (34, 88), (8, 185), (175, 90), (155, 117), (96, 53), (193, 21), (81, 146), (122, 15), (159, 79), (80, 117), (33, 146), (189, 21), (144, 19), (177, 164), (157, 165), (126, 53), (61, 165), (127, 88), (141, 76), (146, 146), (50, 88), (28, 164), (165, 165), (164, 164), (167, 146), (30, 172), (105, 146), (60, 31), (69, 76), (148, 21), (150, 9), (77, 88), (185, 185), (182, 53), (179, 112), (188, 117), (101, 145), (18, 117), (11, 76), (192, 185), (154, 185), (125, 9), (149, 156), (123, 112), (93, 145), (100, 112), (55, 156), (58, 117), (156, 156), (143, 31), (83, 185), (16, 31), (132, 112), (99, 76), (106, 164), (117, 117), (168, 185), (102, 165), (183, 90), (9, 9), (103, 88), (40, 90), (43, 164), (128, 185), (0, 185), (62, 86), (74, 145), (173, 145), (15, 15), (118, 156), (19, 19), (22, 79), (90, 90), (76, 76), (6, 156), (172, 172), (176, 117), (161, 165), (119, 156), (180, 117), (147, 185), (36, 15), (145, 145), (10, 117), (85, 53), (114, 88), (171, 90), (181, 112), (38, 156), (44, 156), (59, 164), (46, 79), (12, 15), (136, 156), (107, 164), (26, 9), (45, 156), (48, 15), (108, 146), (63, 165), (89, 165), (124, 112), (151, 19), (92, 53)] current theta: 0.130986482569 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:12 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35952 rows and 36041 columns Presolve time: 0.05s Presolved: 2269 rows, 2374 columns, 6520 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2374 integer (2374 binary) Root relaxation: cutoff, 2866 iterations, 0.09 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 (2866 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.136024424206 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:12 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35818 rows and 35893 columns Presolve time: 0.05s Presolved: 2403 rows, 2522 columns, 6936 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2522 integer (2522 binary) Root relaxation: cutoff, 2659 iterations, 0.09 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 (2659 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.138543395025 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:12 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35774 rows and 35844 columns Presolve time: 0.05s Presolved: 2447 rows, 2571 columns, 7073 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2571 integer (2571 binary) Root relaxation: cutoff, 2741 iterations, 0.08 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 (2741 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.139802880434 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:12 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35742 rows and 35811 columns Presolve time: 0.05s Presolved: 2479 rows, 2604 columns, 7170 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2604 integer (2604 binary) Root relaxation: objective -8.526513e-14, 2613 iterations, 0.10 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 (4058 simplex iterations) in 0.20 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 [19, 31, 41, 45, 78, 86, 88, 91, 107, 117, 121, 123, 128, 129, 145, 146, 149, 165, 171, 172] edges [(22, 149), (84, 165), (17, 145), (169, 31), (174, 172), (15, 45), (179, 123), (175, 121), (57, 31), (8, 128), (135, 172), (171, 171), (48, 171), (136, 149), (86, 86), (27, 31), (141, 78), (35, 19), (51, 129), (94, 149), (37, 78), (90, 171), (1, 41), (47, 146), (115, 146), (6, 45), (75, 86), (65, 107), (69, 78), (142, 107), (118, 149), (181, 123), (88, 88), (39, 128), (189, 146), (44, 45), (56, 123), (52, 121), (139, 165), (53, 41), (111, 165), (21, 129), (79, 145), (185, 128), (31, 31), (131, 128), (49, 165), (11, 78), (20, 123), (59, 146), (5, 146), (96, 41), (83, 128), (99, 78), (162, 88), (71, 128), (152, 128), (109, 78), (160, 145), (138, 172), (68, 146), (32, 88), (98, 165), (36, 171), (54, 146), (170, 145), (190, 172), (133, 146), (121, 121), (140, 128), (40, 171), (76, 78), (97, 146), (184, 86), (120, 88), (129, 129), (130, 107), (147, 128), (149, 149), (191, 88), (4, 129), (3, 88), (166, 172), (156, 45), (95, 149), (182, 41), (73, 117), (23, 88), (158, 31), (24, 31), (29, 165), (26, 128), (116, 121), (113, 31), (194, 172), (148, 129), (193, 129), (186, 117), (134, 31), (34, 88), (155, 117), (154, 128), (164, 107), (67, 41), (81, 146), (178, 107), (80, 117), (33, 146), (144, 19), (128, 128), (187, 145), (41, 41), (157, 165), (100, 123), (61, 165), (127, 88), (159, 145), (146, 146), (28, 146), (50, 88), (132, 123), (7, 45), (165, 165), (163, 129), (167, 146), (30, 172), (105, 146), (177, 146), (60, 31), (107, 107), (119, 149), (192, 128), (77, 88), (124, 123), (2, 45), (82, 171), (93, 149), (188, 117), (12, 45), (43, 107), (101, 145), (18, 117), (9, 91), (150, 91), (91, 91), (110, 129), (78, 78), (183, 121), (64, 107), (87, 78), (143, 31), (38, 45), (46, 145), (106, 88), (112, 123), (16, 31), (45, 45), (126, 41), (125, 91), (102, 165), (0, 128), (70, 146), (42, 128), (92, 41), (103, 88), (62, 86), (74, 145), (173, 145), (85, 41), (19, 19), (55, 78), (153, 45), (172, 172), (176, 117), (58, 121), (161, 165), (72, 128), (180, 117), (145, 145), (114, 88), (168, 128), (66, 78), (117, 121), (122, 129), (123, 123), (137, 107), (14, 146), (104, 129), (13, 91), (25, 107), (108, 146), (63, 165), (89, 165), (10, 121), (151, 19)] current theta: 0.13917313773 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:13 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35756 rows and 35825 columns Presolve time: 0.05s Presolved: 2465 rows, 2590 columns, 7128 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2590 integer (2590 binary) Root relaxation: objective 0.000000e+00, 2666 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 186 - 0.00000 - - 0s 0 0 0.00000 0 204 - 0.00000 - - 0s 0 0 0.00000 0 204 - 0.00000 - - 0s 0 0 0.00000 0 204 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 232 - 0.00000 - - 1s 0 0 infeasible 0 - 0.10000 - - 1s Cutting planes: Gomory: 3 Zero half: 32 Explored 0 nodes (33046 simplex iterations) in 1.16 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.139488009082 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:14 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35748 rows and 35817 columns Presolve time: 0.05s Presolved: 2473 rows, 2598 columns, 7152 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2598 integer (2598 binary) Root relaxation: objective 8.526513e-14, 3060 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 275 - 0.00000 - - 0s 0 0 0.00000 0 495 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 34 Explored 0 nodes (7584 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.139645444758 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:14 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35746 rows and 35815 columns Presolve time: 0.05s Presolved: 2475 rows, 2600 columns, 7158 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2600 integer (2600 binary) Root relaxation: objective -4.263256e-14, 2922 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 226 - -0.00000 - - 0s 0 0 -0.00000 0 509 - -0.00000 - - 0s 0 0 0.00000 0 206 - 0.00000 - - 0s 0 0 0.00000 0 204 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 205 - 0.00000 - - 1s 0 0 infeasible 0 - 0.10000 - - 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 0 nodes (38607 simplex iterations) in 1.38 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.139724162596 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 02:16:16 2014 Optimize a model with 38221 rows, 38415 columns and 114465 nonzeros Presolve removed 35746 rows and 35815 columns Presolve time: 0.05s Presolved: 2475 rows, 2600 columns, 7158 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2600 integer (2600 binary) Root relaxation: objective -4.263256e-14, 2922 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 226 - -0.00000 - - 0s 0 0 -0.00000 0 509 - -0.00000 - - 0s 0 0 0.00000 0 206 - 0.00000 - - 0s 0 0 0.00000 0 204 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 202 - 0.00000 - - 0s 0 0 0.00000 0 205 - 0.00000 - - 1s 0 0 infeasible 0 - 0.10000 - - 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 0 nodes (38607 simplex iterations) in 1.38 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -