current theta: 0.688599428811 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:38 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 5582 rows and 5582 columns Presolve time: 0.28s Presolved: 13601 rows, 13738 columns, 40662 nonzeros Variable types: 0 continuous, 13738 integer (13738 binary) Root relaxation: objective 0.000000e+00, 1515 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 (3245 simplex iterations) in 0.45 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 [13, 19, 37, 41, 47, 71, 74, 79, 100, 114, 119, 121, 124, 132] edges [(13, 13), (14, 41), (17, 37), (54, 13), (123, 114), (40, 41), (126, 79), (91, 47), (71, 47), (7, 79), (31, 100), (136, 114), (106, 71), (67, 37), (8, 13), (93, 119), (61, 100), (4, 47), (85, 119), (59, 74), (68, 74), (95, 79), (58, 41), (103, 71), (87, 74), (120, 100), (89, 100), (34, 47), (49, 74), (53, 119), (75, 47), (74, 79), (107, 13), (83, 100), (30, 100), (48, 114), (108, 74), (60, 47), (84, 74), (86, 74), (64, 79), (37, 74), (41, 41), (79, 37), (129, 100), (42, 37), (20, 13), (128, 100), (124, 124), (12, 119), (66, 41), (73, 74), (96, 47), (0, 47), (81, 79), (92, 37), (57, 119), (131, 114), (127, 124), (5, 100), (118, 114), (100, 100), (43, 71), (22, 79), (25, 114), (56, 114), (119, 41), (82, 41), (52, 47), (2, 119), (94, 79), (63, 114), (16, 119), (132, 100), (1, 47), (47, 13), (97, 114), (62, 119), (137, 47), (105, 114), (23, 100), (33, 114), (88, 47), (46, 74), (98, 13), (29, 79), (9, 100), (121, 132), (113, 47), (45, 74), (76, 74), (26, 13), (102, 114), (27, 13), (10, 74), (109, 41), (104, 100), (35, 71), (72, 100), (125, 71), (101, 74), (24, 119), (80, 41), (134, 13), (99, 41), (69, 74), (11, 47), (39, 71), (115, 47), (51, 79), (6, 100), (44, 74), (78, 74), (18, 119), (133, 79), (50, 114), (122, 124), (21, 79), (15, 74), (90, 47), (77, 37), (19, 114), (135, 37), (28, 119), (32, 114), (130, 71), (70, 119), (114, 114), (117, 79), (36, 74), (55, 47), (116, 47), (38, 74), (112, 114), (3, 100), (110, 13), (65, 47), (111, 13)] current theta: 0.344299714406 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:39 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 14004 rows and 14004 columns Presolve time: 0.12s Presolved: 5179 rows, 5316 columns, 15396 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5316 integer (5316 binary) Root relaxation: objective 0.000000e+00, 922 iterations, 0.02 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 (2225 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 [13, 35, 71, 76, 77, 78, 82, 88, 90, 98, 109, 112, 118, 127] edges [(63, 76), (76, 88), (102, 76), (40, 90), (111, 98), (124, 71), (30, 98), (25, 88), (107, 78), (80, 90), (115, 127), (96, 98), (33, 88), (105, 88), (35, 35), (60, 71), (72, 88), (34, 127), (75, 98), (117, 118), (129, 98), (14, 127), (83, 71), (0, 71), (90, 82), (56, 77), (116, 90), (12, 98), (101, 118), (46, 90), (38, 76), (27, 77), (77, 76), (43, 98), (71, 71), (58, 90), (10, 90), (23, 78), (114, 35), (59, 76), (47, 98), (113, 77), (19, 71), (121, 90), (37, 88), (39, 77), (118, 118), (110, 98), (24, 71), (41, 98), (17, 118), (132, 13), (122, 98), (70, 98), (88, 76), (2, 98), (9, 71), (22, 118), (97, 109), (45, 118), (36, 90), (55, 76), (3, 77), (32, 88), (48, 118), (28, 98), (31, 71), (94, 118), (93, 90), (49, 76), (134, 77), (1, 90), (85, 90), (8, 71), (137, 98), (50, 88), (91, 71), (74, 118), (5, 98), (99, 98), (6, 98), (62, 90), (123, 88), (13, 71), (112, 112), (127, 71), (126, 118), (42, 112), (119, 98), (51, 109), (106, 78), (73, 76), (44, 76), (120, 88), (54, 78), (128, 71), (67, 90), (109, 98), (104, 109), (64, 88), (82, 90), (103, 88), (7, 118), (135, 88), (57, 71), (79, 118), (69, 76), (125, 71), (89, 109), (92, 118), (81, 88), (52, 82), (15, 78), (98, 98), (29, 127), (131, 88), (84, 88), (18, 90), (61, 109), (66, 98), (136, 76), (53, 90), (65, 98), (130, 98), (4, 127), (11, 76), (100, 13), (20, 71), (16, 98), (78, 109), (95, 118), (86, 88), (68, 76), (133, 76), (108, 76), (26, 77), (21, 76), (87, 76)] current theta: 0.172149857203 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:39 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17440 rows and 17485 columns Presolve time: 0.03s Presolved: 1743 rows, 1835 columns, 5043 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1835 integer (1835 binary) Root relaxation: objective 0.000000e+00, 1817 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 (1817 simplex iterations) in 0.09 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, 36, 43, 46, 63, 66, 74, 76, 77, 96, 108, 114, 127, 128] edges [(66, 66), (106, 76), (130, 66), (7, 63), (123, 114), (103, 77), (30, 43), (83, 128), (52, 36), (2, 96), (33, 76), (96, 96), (34, 127), (135, 76), (67, 36), (87, 108), (110, 66), (77, 77), (13, 128), (24, 128), (104, 66), (27, 77), (64, 76), (120, 77), (55, 108), (71, 128), (95, 63), (128, 128), (113, 77), (37, 63), (25, 108), (31, 127), (129, 66), (26, 26), (44, 63), (36, 36), (21, 63), (116, 96), (63, 63), (29, 108), (94, 74), (137, 66), (9, 128), (88, 114), (74, 74), (73, 63), (81, 108), (41, 96), (22, 74), (93, 46), (4, 108), (59, 108), (38, 63), (8, 26), (82, 96), (23, 127), (76, 76), (3, 127), (115, 108), (48, 63), (53, 36), (132, 128), (131, 77), (70, 66), (62, 36), (125, 26), (119, 96), (35, 114), (124, 128), (39, 127), (97, 108), (60, 127), (58, 96), (43, 43), (1, 46), (45, 63), (46, 46), (10, 46), (28, 66), (84, 63), (51, 108), (47, 66), (49, 63), (126, 63), (98, 66), (111, 66), (90, 36), (121, 96), (5, 66), (105, 108), (134, 127), (91, 26), (117, 63), (80, 96), (17, 46), (69, 76), (79, 74), (107, 127), (101, 74), (19, 26), (54, 66), (122, 96), (18, 46), (14, 66), (92, 63), (20, 128), (109, 66), (133, 63), (15, 63), (16, 128), (118, 63), (89, 66), (85, 96), (99, 43), (136, 63), (61, 108), (65, 43), (40, 36), (102, 63), (72, 77), (108, 108), (78, 108), (11, 76), (86, 63), (56, 26), (32, 114), (127, 127), (42, 114), (114, 114), (0, 127), (6, 96), (50, 77), (68, 76), (57, 128), (75, 66), (112, 114), (12, 96), (100, 128)] current theta: 0.0860749286014 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:39 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 18538 rows and 18675 columns Presolve time: 0.02s Presolved: 645 rows, 645 columns, 1675 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 645 integer (644 binary) Root relaxation: cutoff, 250 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 (250 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.129112392902 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:39 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 18090 rows and 18211 columns Presolve time: 0.02s Presolved: 1093 rows, 1109 columns, 3017 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1109 integer (1109 binary) Root relaxation: cutoff, 1245 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 (1245 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: 0.150631125052 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:39 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17780 rows and 17854 columns Presolve time: 0.02s Presolved: 1403 rows, 1466 columns, 3994 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1466 integer (1466 binary) Root relaxation: cutoff, 1660 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 (1660 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: 0.161390491128 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17618 rows and 17676 columns Presolve time: 0.03s Presolved: 1565 rows, 1644 columns, 4496 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1644 integer (1644 binary) Root relaxation: cutoff, 1919 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 (1919 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.166770174165 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17528 rows and 17581 columns Presolve time: 0.03s Presolved: 1655 rows, 1739 columns, 4771 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1739 integer (1739 binary) Root relaxation: cutoff, 1791 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 (1791 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.169460015684 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17484 rows and 17534 columns Presolve time: 0.03s Presolved: 1699 rows, 1786 columns, 4906 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1786 integer (1786 binary) Root relaxation: objective 0.000000e+00, 1879 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 (1879 simplex iterations) in 0.08 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 [18, 26, 36, 47, 54, 63, 76, 77, 79, 96, 108, 114, 127, 128] edges [(106, 76), (7, 63), (123, 114), (103, 77), (30, 128), (83, 128), (89, 54), (84, 76), (52, 36), (2, 96), (33, 76), (96, 96), (34, 127), (135, 76), (67, 36), (87, 108), (66, 47), (77, 77), (13, 128), (24, 128), (27, 77), (64, 76), (120, 77), (109, 54), (55, 108), (71, 128), (111, 47), (95, 63), (74, 79), (128, 128), (37, 63), (25, 108), (31, 127), (26, 26), (44, 63), (36, 36), (23, 108), (21, 63), (116, 96), (63, 63), (29, 108), (110, 54), (9, 128), (88, 76), (14, 54), (73, 63), (81, 108), (41, 96), (4, 108), (59, 108), (22, 18), (38, 63), (17, 18), (8, 26), (82, 96), (76, 76), (3, 127), (115, 108), (48, 63), (53, 36), (132, 128), (5, 54), (131, 77), (62, 36), (125, 26), (119, 96), (35, 114), (94, 79), (124, 128), (39, 127), (97, 108), (129, 54), (79, 79), (60, 127), (93, 18), (58, 96), (28, 54), (46, 18), (45, 63), (70, 54), (51, 108), (130, 54), (49, 63), (126, 63), (54, 54), (90, 36), (121, 96), (101, 79), (105, 108), (134, 127), (91, 26), (117, 63), (98, 47), (80, 96), (43, 47), (69, 76), (10, 18), (107, 127), (19, 26), (137, 54), (122, 96), (113, 127), (47, 47), (92, 63), (20, 128), (18, 18), (104, 54), (133, 63), (15, 63), (16, 128), (118, 63), (85, 96), (136, 63), (61, 108), (40, 36), (102, 63), (72, 77), (108, 108), (78, 108), (11, 76), (86, 63), (56, 26), (32, 114), (127, 127), (42, 114), (114, 114), (1, 36), (0, 127), (6, 96), (50, 77), (68, 76), (57, 128), (112, 114), (12, 96), (99, 47), (75, 54), (65, 47), (100, 128)] current theta: 0.168115094925 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17510 rows and 17562 columns Presolve time: 0.03s Presolved: 1673 rows, 1758 columns, 4826 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1758 integer (1758 binary) Root relaxation: objective 0.000000e+00, 1892 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 (1892 simplex iterations) in 0.08 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 [17, 26, 33, 36, 47, 54, 73, 94, 96, 103, 108, 127, 128, 131] edges [(30, 128), (83, 128), (89, 54), (38, 73), (14, 47), (52, 36), (2, 96), (47, 54), (112, 131), (96, 96), (34, 127), (63, 73), (67, 36), (106, 103), (87, 108), (79, 94), (27, 127), (131, 131), (13, 128), (117, 73), (24, 128), (109, 54), (55, 108), (71, 128), (111, 47), (128, 128), (22, 94), (25, 108), (49, 73), (31, 127), (26, 26), (36, 36), (135, 103), (33, 33), (5, 47), (116, 96), (29, 108), (133, 33), (110, 54), (9, 128), (95, 94), (126, 94), (81, 108), (41, 96), (68, 33), (4, 108), (59, 108), (73, 73), (101, 94), (86, 73), (114, 103), (8, 26), (82, 96), (23, 127), (3, 127), (17, 17), (115, 108), (53, 36), (132, 128), (62, 36), (118, 94), (103, 131), (125, 26), (119, 96), (124, 128), (39, 127), (32, 103), (7, 94), (77, 103), (97, 108), (129, 54), (120, 103), (60, 127), (58, 96), (123, 103), (28, 54), (70, 54), (93, 17), (72, 131), (92, 94), (51, 108), (130, 54), (54, 54), (74, 94), (90, 36), (121, 96), (21, 33), (105, 108), (134, 127), (91, 26), (98, 47), (46, 17), (69, 33), (45, 73), (80, 96), (43, 47), (107, 127), (19, 26), (137, 54), (136, 73), (76, 33), (122, 96), (113, 127), (37, 33), (15, 73), (44, 73), (20, 128), (104, 54), (84, 33), (16, 128), (10, 17), (85, 96), (61, 108), (40, 36), (11, 33), (108, 108), (78, 108), (18, 17), (94, 94), (102, 73), (56, 26), (127, 127), (64, 33), (50, 103), (1, 36), (0, 127), (6, 96), (57, 128), (42, 103), (48, 94), (66, 54), (35, 131), (12, 96), (99, 47), (75, 54), (65, 47), (88, 103), (100, 128)] current theta: 0.167442634545 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17520 rows and 17573 columns Presolve time: 0.03s Presolved: 1663 rows, 1747 columns, 4795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1747 integer (1747 binary) Root relaxation: cutoff, 1906 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 (1906 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.167778864735 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17514 rows and 17567 columns Presolve time: 0.03s Presolved: 1669 rows, 1753 columns, 4813 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1753 integer (1753 binary) Root relaxation: cutoff, 2006 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 (2006 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.16794697983 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:40 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17510 rows and 17562 columns Presolve time: 0.03s Presolved: 1673 rows, 1758 columns, 4826 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1758 integer (1758 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 0.03 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 [17, 26, 33, 36, 47, 54, 73, 94, 96, 103, 108, 127, 128, 131] edges [(30, 128), (83, 128), (89, 54), (38, 73), (14, 47), (52, 36), (2, 96), (47, 54), (112, 131), (96, 96), (34, 127), (63, 73), (67, 36), (106, 103), (87, 108), (79, 94), (27, 127), (131, 131), (13, 128), (117, 73), (24, 128), (109, 54), (55, 108), (71, 128), (111, 47), (128, 128), (22, 94), (25, 108), (49, 73), (31, 127), (26, 26), (36, 36), (135, 103), (33, 33), (5, 47), (116, 96), (29, 108), (133, 33), (110, 54), (9, 128), (95, 94), (126, 94), (81, 108), (41, 96), (68, 33), (4, 108), (59, 108), (73, 73), (101, 94), (86, 73), (114, 103), (8, 26), (82, 96), (23, 127), (3, 127), (17, 17), (115, 108), (53, 36), (132, 128), (62, 36), (118, 94), (103, 131), (125, 26), (119, 96), (124, 128), (39, 127), (32, 103), (7, 94), (77, 103), (97, 108), (129, 54), (120, 103), (60, 127), (58, 96), (123, 103), (28, 54), (70, 54), (93, 17), (72, 131), (92, 94), (51, 108), (130, 54), (54, 54), (74, 94), (90, 36), (121, 96), (21, 33), (105, 108), (134, 127), (91, 26), (98, 47), (46, 17), (69, 33), (45, 73), (80, 96), (43, 47), (107, 127), (19, 26), (137, 54), (136, 73), (76, 33), (122, 96), (113, 127), (37, 33), (15, 73), (44, 73), (20, 128), (104, 54), (84, 33), (16, 128), (10, 17), (85, 96), (61, 108), (40, 36), (11, 33), (108, 108), (78, 108), (18, 17), (94, 94), (102, 73), (56, 26), (127, 127), (64, 33), (50, 103), (1, 36), (0, 127), (6, 96), (57, 128), (42, 103), (48, 94), (66, 54), (35, 131), (12, 96), (99, 47), (75, 54), (65, 47), (88, 103), (100, 128)] current theta: 0.167862922282 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:19:41 2014 Optimize a model with 19183 rows, 19320 columns and 57408 nonzeros Presolve removed 17512 rows and 17564 columns Presolve time: 0.03s Presolved: 1671 rows, 1756 columns, 4820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1756 integer (1756 binary) Root relaxation: cutoff, 1998 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 (1998 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -