Instance: rand-2-40-180-84-900-93_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:10
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 30,060
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 4 33 17.98 18.00 540,384 MAX VALUE 86,057.30 4.02 0.22 2.81
Relational linkage 0.02 0.16 0.08 0.08 549.24 0.00 -18,043.30 0.02 0.21 2.48
Tightness 0.89 0.90 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 4.15
Tuples 3,116 3,405 3,236.29 3,233.50 271,848 MAX VALUE 678.89 55.33 0.02 4.15
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 9 4.28 4.00 167 7.38e+22 52.66 1.91 0.45 1.83
Partitions per subscope 180 180 180.00 180.00 7,020 MAX VALUE 202.53 0.00 0.00 0.00
Tree decomposition
Number of clusters: 31
Number of leaves: 13
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 13 4.19 3.00 130 2.06e+16 37.57 3.01 0.72 1.81
Cluster variables 2 10 4.97 4.00 154 2.42e+20 46.94 2.19 0.44 1.88
Separator constraints 0 9 1.48 0.00 46 0 None 2.34 1.58 1.51
Separator variables 0 9 3.68 3.00 114 0 None 2.10 0.57 1.92
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
Tree depth: 8
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 46 18.95 14.00 720 MAX VALUE 98.82 14.02 0.74 3.21
Cluster variables 3 26 10.21 8.00 388 6.34e+35 82.44 5.91 0.58 2.79
Separator constraints 0 28 9.87 7.00 375 0 None 8.65 0.88 2.74
Separator variables 0 20 8.00 6.50 304 0 None 4.70 0.59 2.70
Primal graph
Density: 10.77%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.02 None None None None None 2.00
Degree 1 9 4.20 4.00 168 7.38e+22 52.66 1.95 0.46 1.90
Eccentricity 3 6 4.60 4.50 184 1.96e+26 60.54 0.73 0.16 1.07
Triangulated primal graph
Density: 20.38%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.43 1.00 None 0.68 None None None None None 2.79
Degree 1 20 7.95 5.00 318 2.40e+30 69.95 6.05 0.76 2.50
Eccentricity 3 5 4.05 4.00 162 1.20e+24 55.45 0.63 0.16 0.95
Dual graph
Density: 9.90%
MCB compute time (ms): 62
MCB cycles: 268
Triangles: 479
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 0.51 0.49 42.56 0.00 None 0.13 0.25 3.29
Degree 2 14 8.21 8.00 690 MAX VALUE 171.03 2.77 0.34 2.33
Eccentricity 4 6 4.60 5.00 386 MAX VALUE 127.48 0.56 0.12 0.82
MCB cycle size 3 6 3.20 3.00 857 MAX VALUE 308.41 0.55 0.17 0.48
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 18
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 5 3.05 3.00 256 MAX VALUE 91.60 0.65 0.21 0.99
Eccentricity 5 8 6.89 7.00 579 MAX VALUE 161.77 0.65 0.10 0.99
MCB cycle size 4 9 7.00 7.00 315 5.37e+37 86.88 1.19 0.17 1.55
Triangulated dual graph
Density: 27.71%
Triangles: 6,886
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.78 0.76 65.52 0.00 -22.10 0.13 0.17 3.89
Degree 2 48 23.00 19.50 1,932 MAX VALUE 239.58 14.62 0.64 3.54
Eccentricity 2 4 3.45 3.00 290 MAX VALUE 103.10 0.52 0.15 0.75
Triangulated minimal dual graph
Density: 11.45%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.42 1.00 0.74 0.67 61.92 0.00 -28.98 0.21 0.28 2.71
Degree 2 31 9.50 5.00 798 MAX VALUE 154.36 8.82 0.93 2.68
Eccentricity 3 5 3.81 4.00 320 MAX VALUE 111.33 0.59 0.15 0.88
Incidence graph
Density: 2.20%
MCB compute time (ms): 26
MCB cycles: 45
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None 0.00 None None None None None 0.54
Degree 1 9 2.71 2.00 336 MAX VALUE 110.88 1.51 0.56 1.00
Eccentricity 7 12 9.65 10.00 1,197 MAX VALUE 280.30 1.13 0.12 1.52
MCB cycle size 6 12 8.04 8.00 362 MAX VALUE 92.72 1.76 0.22 1.18