current bounds on the number of colors: 0 -- 180
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:49 2012
Optimize a model with 74790 rows, 17029 columns and 240030 nonzeros
Presolve time: 0.23s
Presolved: 74790 rows, 17029 columns, 240030 nonzeros
Variable types: 0 continuous, 17029 integer (17029 binary)
Root relaxation: objective 0.000000e+00, 621 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 0.0% - 0s
Explored 0 nodes (1027 simplex iterations) in 0.39 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%
current bounds on the number of colors: 0 -- 90
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:51 2012
Optimize a model with 37485 rows, 8929 columns and 120015 nonzeros
Presolve time: 0.15s
Presolved: 37485 rows, 8929 columns, 120015 nonzeros
Variable types: 0 continuous, 8929 integer (8929 binary)
Root relaxation: objective 0.000000e+00, 483 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 0.0% - 0s
Explored 0 nodes (824 simplex iterations) in 0.22 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%
current bounds on the number of colors: 0 -- 45
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:51 2012
Optimize a model with 18418 rows, 4789 columns and 58674 nonzeros
Presolve time: 0.07s
Presolved: 18418 rows, 4789 columns, 58674 nonzeros
Variable types: 0 continuous, 4789 integer (4789 binary)
Root relaxation: objective 0.000000e+00, 378 iterations, 0.01 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 (858 simplex iterations) in 0.12 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%
current bounds on the number of colors: 0 -- 22
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:52 2012
Optimize a model with 9299 rows, 2809 columns and 29337 nonzeros
Presolve time: 0.03s
Presolved: 9299 rows, 2809 columns, 29337 nonzeros
Variable types: 0 continuous, 2809 integer (2809 binary)
Root relaxation: objective 0.000000e+00, 376 iterations, 0.01 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 (716 simplex iterations) in 0.05 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%
current bounds on the number of colors: 0 -- 11
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:52 2012
Optimize a model with 4325 rows, 1729 columns and 13335 nonzeros
Presolve time: 0.01s
Presolved: 4325 rows, 1729 columns, 13335 nonzeros
Variable types: 0 continuous, 1729 integer (1729 binary)
Root relaxation: objective 0.000000e+00, 399 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 229 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (4267 simplex iterations) in 0.33 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%
current bounds on the number of colors: 0 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:52 2012
Optimize a model with 1838 rows, 1189 columns and 5334 nonzeros
Presolve removed 180 rows and 180 columns
Presolve time: 0.00s
Presolved: 1658 rows, 1009 columns, 4974 nonzeros
Variable types: 0 continuous, 1009 integer (1009 binary)
Root relaxation: objective 0.000000e+00, 186 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 180 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (805 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:52 2012
Optimize a model with 2667 rows, 1369 columns and 8001 nonzeros
Presolve time: 0.01s
Presolved: 2667 rows, 1369 columns, 8001 nonzeros
Variable types: 0 continuous, 1369 integer (1369 binary)
Root relaxation: objective 0.000000e+00, 422 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 292 - 0.00000 - - 0s
0 0 0.00000 0 357 - 0.00000 - - 0s
0 0 0.00000 0 480 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 1s
Cutting planes:
Gomory: 21
Zero half: 956
Explored 0 nodes (9065 simplex iterations) in 1.14 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 01:01:54 2012
Optimize a model with 3496 rows, 1549 columns and 10668 nonzeros
Presolve time: 0.01s
Presolved: 3496 rows, 1549 columns, 10668 nonzeros
Variable types: 0 continuous, 1549 integer (1549 binary)
Root relaxation: objective 0.000000e+00, 392 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 334 - 0.00000 - - 0s
0 0 0.00000 0 306 - 0.00000 - - 0s
0 0 0.00000 0 344 - 0.00000 - - 0s
0 0 0.00000 0 421 - 0.00000 - - 0s
0 0 0.00000 0 332 - 0.00000 - - 1s
0 0 0.00000 0 322 - 0.00000 - - 1s
0 0 0.00000 0 324 - 0.00000 - - 2s
0 0 0.00000 0 324 - 0.00000 - - 2s
0 0 0.00000 0 322 - 0.00000 - - 2s
0 0 0.00000 0 308 - 0.00000 - - 3s
0 0 0.00000 0 308 - 0.00000 - - 3s
0 0 0.00000 0 308 - 0.00000 - - 3s
0 2 0.00000 0 308 - 0.00000 - - 3s
130 54 0.00000 19 297 - 0.00000 - 140 5s
605 117 0.00000 17 332 - 0.00000 - 123 11s
609 119 0.00000 10 315 - 0.00000 - 123 15s
614 123 0.00000 15 240 - 0.00000 - 122 21s
617 125 0.00000 13 224 - 0.00000 - 121 25s
688 132 infeasible 25 - 0.00000 - 236 30s
946 54 0.00000 27 414 - 0.00000 - 241 35s
1239 32 infeasible 24 - 0.00000 - 240 40s
1515 26 infeasible 24 - 0.00000 - 241 45s
1785 28 0.00000 22 409 - 0.00000 - 242 50s
2042 23 0.00000 24 402 - 0.00000 - 243 55s
2261 8 0.00000 26 380 - 0.00000 - 247 60s
Cutting planes:
Zero half: 22
Explored 2296 nodes (603229 simplex iterations) in 60.85 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 5