current bounds on the number of colors: 0 -- 99
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:34 2012
Optimize a model with 26314 rows, 5386 columns and 83496 nonzeros
Presolve time: 0.13s
Presolved: 26314 rows, 5386 columns, 83496 nonzeros
Variable types: 0 continuous, 5386 integer (5386 binary)
Root relaxation: objective 0.000000e+00, 359 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 (615 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%
current bounds on the number of colors: 0 -- 49
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:34 2012
Optimize a model with 12939 rows, 2911 columns and 40896 nonzeros
Presolve time: 0.05s
Presolved: 12939 rows, 2911 columns, 40896 nonzeros
Variable types: 0 continuous, 2911 integer (2911 binary)
Root relaxation: objective 0.000000e+00, 242 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 (450 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%
current bounds on the number of colors: 0 -- 24
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:34 2012
Optimize a model with 6519 rows, 1723 columns and 20448 nonzeros
Presolve time: 0.02s
Presolved: 6519 rows, 1723 columns, 20448 nonzeros
Variable types: 0 continuous, 1723 integer (1723 binary)
Root relaxation: objective 0.000000e+00, 211 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 (419 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%
current bounds on the number of colors: 0 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:35 2012
Optimize a model with 3309 rows, 1129 columns and 10224 nonzeros
Presolve time: 0.01s
Presolved: 3309 rows, 1129 columns, 10224 nonzeros
Variable types: 0 continuous, 1129 integer (1129 binary)
Root relaxation: objective 0.000000e+00, 216 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 (1648 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%
current bounds on the number of colors: 0 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:35 2012
Optimize a model with 1704 rows, 832 columns and 5112 nonzeros
Presolve time: 0.00s
Presolved: 1704 rows, 832 columns, 5112 nonzeros
Variable types: 0 continuous, 832 integer (832 binary)
Root relaxation: objective 0.000000e+00, 223 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 0 198 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2673 simplex iterations) in 0.26 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:35 2012
Optimize a model with 2239 rows, 931 columns and 6816 nonzeros
Presolve time: 0.01s
Presolved: 2239 rows, 931 columns, 6816 nonzeros
Variable types: 0 continuous, 931 integer (931 binary)
Root relaxation: objective 0.000000e+00, 223 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 0 196 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 280 - 0.00000 - - 0s
0 0 0.00000 0 287 - 0.00000 - - 0s
0 0 0.00000 0 283 - 0.00000 - - 1s
0 0 0.00000 0 277 - 0.00000 - - 1s
0 0 0.00000 0 275 - 0.00000 - - 1s
0 0 0.00000 0 275 - 0.00000 - - 1s
0 0 0.00000 0 277 - 0.00000 - - 2s
0 0 0.00000 0 276 - 0.00000 - - 2s
0 2 0.00000 0 268 - 0.00000 - - 2s
Cutting planes:
Clique: 20
Zero half: 14
Explored 35 nodes (22688 simplex iterations) in 3.06 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:51:38 2012
Optimize a model with 2774 rows, 1030 columns and 8520 nonzeros
Presolve time: 0.01s
Presolved: 2774 rows, 1030 columns, 8520 nonzeros
Variable types: 0 continuous, 1030 integer (1030 binary)
Root relaxation: objective 0.000000e+00, 210 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 0 190 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Cutting planes:
Gomory: 2
Clique: 177
MIR: 3
Zero half: 249
Explored 0 nodes (2238 simplex iterations) in 0.16 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%
optimal solution found: number of colors: 5