Instance: rand-2-40-80-103-800-92_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:07
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 103
General features
Number of coarse blocks: 16,400
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 206 1.01e+31 71.39 0.00 0.00 0.00
Coarse blocks size 4 32 16.02 16.00 262,729 MAX VALUE 45,053.10 3.59 0.22 2.69
Relational linkage 0.05 0.26 0.15 0.15 468.36 0.00 -5,985.27 0.03 0.20 2.31
Tightness 0.79 0.81 0.80 0.80 82.37 0.00 -23.02 0.00 0.01 4.03
Tuples 1,203 1,366 1,281.69 1,284.00 132,014 MAX VALUE 737.03 29.11 0.02 4.03
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 8 5.26 5.00 205 9.44e+26 62.11 1.74 0.33 1.88
Partitions per subscope 80 80 80.00 80.00 3,120 MAX VALUE 170.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 27
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 18 7.15 5.00 193 1.24e+20 46.26 4.95 0.69 2.50
Cluster variables 2 14 7.04 6.00 190 1.61e+21 48.83 3.71 0.53 2.33
Separator constraints 0 15 3.33 1.00 90 0 None 4.47 1.34 1.89
Separator variables 0 13 5.56 5.00 150 0 None 3.61 0.65 2.38
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
Tree depth: 7
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 6 75 30.89 28.00 1,174 MAX VALUE 123.72 17.11 0.55 3.38
Cluster variables 5 38 14.18 12.00 539 MAX VALUE 95.36 8.18 0.58 2.79
Separator constraints 0 38 17.87 17.00 679 0 None 10.48 0.59 3.01
Separator variables 0 28 11.47 10.50 436 0 None 6.31 0.55 2.77
Primal graph
Density: 13.21%
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 0.07 None None None None None 2.33
Degree 1 8 5.15 5.00 206 9.44e+26 62.11 1.84 0.36 1.95
Eccentricity 3 5 3.83 4.00 153 1.33e+23 53.24 0.54 0.14 0.81
Triangulated primal graph
Density: 30.90%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.57 1.00 None 0.73 None None None None None 2.86
Degree 1 23 12.05 12.50 482 3.03e+37 86.30 7.98 0.66 2.63
Eccentricity 2 4 3.05 3.00 122 1.35e+19 44.05 0.50 0.16 0.73
Dual graph
Density: 9.42%
MCB compute time (ms): 126
MCB cycles: 397
Triangles: 731
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.50 0.47 51.15 0.00 -73.04 0.08 0.15 3.12
Degree 4 14 9.61 10.00 990 MAX VALUE 230.03 2.18 0.23 2.13
Eccentricity 3 5 3.98 4.00 410 MAX VALUE 141.96 0.31 0.08 0.38
MCB cycle size 3 5 3.15 3.00 1,252 MAX VALUE 453.12 0.42 0.13 0.45
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 24
MCB cycles: 64
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 0.73
Degree 1 5 3.22 3.00 332 MAX VALUE 117.93 0.70 0.22 1.03
Eccentricity 5 7 6.60 7.00 680 MAX VALUE 194.08 0.51 0.08 0.71
MCB cycle size 4 9 6.86 7.00 439 MAX VALUE 122.03 1.25 0.18 1.53
Triangulated dual graph
Density: 34.00%
Triangles: 19,349
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.63 1.00 0.80 0.76 82.37 0.00 -24.04 0.11 0.14 4.10
Degree 4 64 34.68 33.00 3,572 MAX VALUE 338.94 20.38 0.59 3.62
Eccentricity 2 4 2.77 3.00 285 MAX VALUE 103.07 0.49 0.18 0.70
Triangulated minimal dual graph
Density: 11.88%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 3.19
Degree 1 38 12.12 6.00 1,248 MAX VALUE 206.38 11.76 0.97 2.82
Eccentricity 3 5 3.80 4.00 391 MAX VALUE 136.36 0.53 0.14 0.78
Incidence graph
Density: 2.03%
MCB compute time (ms): 37
MCB cycles: 64
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 0.41
Degree 1 8 2.88 2.00 412 MAX VALUE 133.51 1.72 0.60 1.04
Eccentricity 7 10 8.26 8.00 1,181 MAX VALUE 301.38 0.72 0.09 1.07
MCB cycle size 6 10 7.72 8.00 494 MAX VALUE 130.04 1.17 0.15 0.87