current theta: 0.559848289738 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 616 rows and 616 columns Presolve time: 0.01s Presolved: 1025 rows, 1064 columns, 3032 nonzeros Variable types: 0 continuous, 1064 integer (1064 binary) Root relaxation: objective 0.000000e+00, 276 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (473 simplex iterations) in 0.02 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, 26, 31, 38] edges [(34, 26), (26, 26), (25, 38), (13, 26), (29, 26), (5, 26), (10, 38), (18, 38), (4, 38), (28, 26), (37, 38), (39, 26), (30, 26), (31, 26), (11, 38), (36, 38), (1, 38), (22, 38), (23, 26), (14, 26), (33, 26), (9, 26), (16, 26), (27, 38), (32, 26), (8, 26), (7, 38), (24, 26), (12, 38), (0, 26), (35, 26), (2, 38), (6, 38), (21, 38), (17, 38), (19, 26), (15, 38), (38, 38), (20, 31), (3, 38)] current theta: 0.279924144869 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1278 rows and 1278 columns Presolve time: 0.00s Presolved: 363 rows, 402 columns, 1046 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 402 integer (402 binary) Root relaxation: cutoff, 381 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 (381 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.419886217303 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 988 rows and 988 columns Presolve time: 0.01s Presolved: 653 rows, 692 columns, 1916 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 692 integer (692 binary) Root relaxation: objective 0.000000e+00, 304 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (547 simplex iterations) in 0.01 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 [8, 24, 34, 38] edges [(14, 38), (20, 24), (25, 38), (31, 24), (0, 8), (5, 38), (23, 24), (10, 38), (18, 38), (6, 34), (16, 24), (37, 38), (32, 24), (26, 24), (39, 34), (11, 38), (36, 38), (24, 24), (1, 38), (35, 24), (34, 34), (22, 38), (30, 38), (27, 24), (3, 24), (21, 24), (19, 24), (8, 8), (7, 38), (13, 8), (12, 38), (2, 38), (33, 24), (9, 24), (4, 34), (29, 38), (17, 38), (15, 38), (38, 38), (28, 38)] current theta: 0.349905181086 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1152 rows and 1152 columns Presolve time: 0.00s Presolved: 489 rows, 528 columns, 1424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (528 binary) Root relaxation: objective 0.000000e+00, 418 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (418 simplex iterations) in 0.01 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, 12, 24, 27] edges [(22, 12), (5, 27), (20, 24), (21, 7), (31, 24), (34, 27), (7, 7), (1, 12), (39, 27), (26, 27), (16, 24), (29, 7), (23, 27), (32, 24), (17, 7), (15, 7), (33, 27), (9, 27), (24, 24), (28, 27), (35, 24), (38, 7), (2, 7), (6, 12), (37, 7), (3, 24), (11, 27), (19, 24), (30, 24), (12, 12), (27, 27), (10, 7), (4, 12), (8, 27), (14, 24), (0, 27), (25, 24), (36, 7), (18, 12), (13, 27)] current theta: 0.314914662977 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1208 rows and 1208 columns Presolve time: 0.00s Presolved: 433 rows, 472 columns, 1256 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 472 integer (472 binary) Root relaxation: cutoff, 356 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 (356 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.332409922032 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1184 rows and 1184 columns Presolve time: 0.00s Presolved: 457 rows, 496 columns, 1328 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 496 integer (496 binary) Root relaxation: cutoff, 400 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 (400 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.341157551559 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1168 rows and 1168 columns Presolve time: 0.00s Presolved: 473 rows, 512 columns, 1376 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 512 integer (512 binary) Root relaxation: cutoff, 401 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 (401 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.345531366322 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1156 rows and 1156 columns Presolve time: 0.00s Presolved: 485 rows, 524 columns, 1412 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 524 integer (524 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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, 12, 24, 27] edges [(22, 12), (5, 27), (20, 24), (21, 7), (31, 24), (34, 27), (7, 7), (1, 12), (39, 27), (26, 27), (16, 24), (29, 7), (23, 27), (32, 24), (17, 7), (15, 7), (33, 27), (9, 27), (24, 24), (28, 27), (35, 24), (38, 7), (2, 7), (6, 12), (37, 7), (3, 24), (11, 27), (19, 24), (30, 24), (12, 12), (27, 27), (10, 7), (4, 12), (8, 27), (14, 24), (0, 27), (25, 24), (36, 7), (18, 12), (13, 27)] current theta: 0.343344458941 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1158 rows and 1158 columns Presolve time: 0.00s Presolved: 483 rows, 522 columns, 1406 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 522 integer (522 binary) Root relaxation: objective 0.000000e+00, 373 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (373 simplex iterations) in 0.01 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, 12, 27, 36] edges [(25, 3), (2, 36), (5, 27), (20, 3), (11, 3), (36, 36), (37, 3), (21, 36), (29, 36), (34, 27), (16, 3), (17, 36), (1, 12), (39, 27), (14, 3), (38, 36), (19, 3), (23, 27), (33, 27), (7, 36), (9, 27), (24, 3), (31, 3), (28, 27), (10, 36), (6, 12), (35, 27), (15, 36), (32, 3), (30, 3), (12, 12), (27, 27), (4, 12), (22, 36), (26, 3), (8, 27), (3, 3), (0, 27), (18, 12), (13, 27)] current theta: 0.34225100525 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1164 rows and 1164 columns Presolve time: 0.00s Presolved: 477 rows, 516 columns, 1388 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 516 integer (516 binary) Root relaxation: cutoff, 449 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 (449 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.342797732095 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1160 rows and 1160 columns Presolve time: 0.00s Presolved: 481 rows, 520 columns, 1400 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 520 integer (520 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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, 12, 27, 36] edges [(25, 3), (2, 36), (5, 27), (20, 3), (11, 3), (36, 36), (37, 3), (21, 36), (29, 36), (34, 27), (16, 3), (17, 36), (1, 12), (39, 27), (14, 3), (38, 36), (19, 3), (23, 27), (33, 27), (7, 36), (9, 27), (24, 3), (31, 3), (28, 27), (10, 36), (6, 12), (35, 27), (15, 36), (32, 3), (30, 3), (12, 12), (27, 27), (4, 12), (22, 36), (26, 3), (8, 27), (3, 3), (0, 27), (18, 12), (13, 27)] current theta: 0.342524368673 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1162 rows and 1162 columns Presolve time: 0.00s Presolved: 479 rows, 518 columns, 1394 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 518 integer (518 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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, 12, 27, 36] edges [(25, 3), (2, 36), (5, 27), (20, 3), (11, 3), (36, 36), (37, 3), (21, 36), (29, 36), (34, 27), (16, 3), (17, 36), (1, 12), (39, 27), (14, 3), (38, 36), (19, 3), (23, 27), (33, 27), (7, 36), (9, 27), (24, 3), (31, 3), (28, 27), (10, 36), (6, 12), (35, 27), (15, 36), (32, 3), (30, 3), (12, 12), (27, 27), (4, 12), (22, 36), (26, 3), (8, 27), (3, 3), (0, 27), (18, 12), (13, 27)] current theta: 0.342387686961 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1162 rows and 1162 columns Presolve time: 0.00s Presolved: 479 rows, 518 columns, 1394 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 518 integer (518 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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, 12, 27, 36] edges [(25, 3), (2, 36), (5, 27), (20, 3), (11, 3), (36, 36), (37, 3), (21, 36), (29, 36), (34, 27), (16, 3), (17, 36), (1, 12), (39, 27), (14, 3), (38, 36), (19, 3), (23, 27), (33, 27), (7, 36), (9, 27), (24, 3), (31, 3), (28, 27), (10, 36), (6, 12), (35, 27), (15, 36), (32, 3), (30, 3), (12, 12), (27, 27), (4, 12), (22, 36), (26, 3), (8, 27), (3, 3), (0, 27), (18, 12), (13, 27)] current theta: 0.342319346105 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:54:38 2012 Optimize a model with 1641 rows, 1680 columns and 4880 nonzeros Presolve removed 1164 rows and 1164 columns Presolve time: 0.00s Presolved: 477 rows, 516 columns, 1388 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 516 integer (516 binary) Root relaxation: cutoff, 449 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 (449 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap -