diff --git a/instances.yml b/instances.yml
index bc89930b3..71be4a577 100644
--- a/instances.yml
+++ b/instances.yml
@@ -2,546 +2,728 @@ rintanen-aij-2012-interesting:
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 1
+  planLength: 10
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 2
+  planLength: 10
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 3
+  planLength: 10
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 4
+  planLength: 15
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 5
+  planLength: 10
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 6
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 7
+  planLength: 15
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 8
+  planLength: 10
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 9
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 10
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 11
+  planLength: 30
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 12
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 13
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 14
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 15
+  planLength: 20
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 16
+  planLength: 30
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 17
+  planLength: 30
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 18
+  planLength: 30
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 19
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 20
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 21
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 22
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 23
+  planLength: 30
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 24
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 25
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 26
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 27
+  planLength: 50
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 28
+  planLength: 50
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 29
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 30
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 31
+  planLength: 40
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 32
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 33
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 34
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 35
+  planLength: 50
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 36
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 37
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 38
+  planLength: 70
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 39
+  planLength: 70
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 40
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 41
+  planLength: 60
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 42
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 43
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 44
+  planLength: 70
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 45
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 46
+  planLength: 70
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 47
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 48
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 49
+  planLength: 80
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 50
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 51
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 52
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 53
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 54
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 55
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 56
+  planLength: 100
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 57
+  planLength: 100
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 58
+  planLength: 100
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 59
+  planLength: 90
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 60
+  planLength: 110
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 61
+  planLength: 100
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 62
+  planLength: 110
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 63
+  planLength: 110
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 64
+  planLength: 110
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 65
+  planLength: 100
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 66
+  planLength: 120
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 67
+  planLength: 120
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 68
+  planLength: 110
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 69
+  planLength: 130
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 70
+  planLength: 130
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 71
+  planLength: 130
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 72
+  planLength: 130
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 73
+  planLength: 130
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 74
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 75
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 76
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 77
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 78
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 79
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 80
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 81
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 82
+  planLength: 150
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 83
+  planLength: 160
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 84
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 85
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 86
+  planLength: 160
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 87
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 88
+  planLength: 160
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 89
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 90
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 91
+  planLength: 170
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 92
+  planLength: 170
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 93
+  planLength: 140
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 94
+  planLength: 180
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 95
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 96
+  planLength: 150
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 97
+  planLength: 170
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 98
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 99
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 100
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 101
+  planLength: null
 - ipc: ipc-2000
   domain: blocks-strips-typed
   instance: 102
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 1
+  planLength: 115
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 2
+  planLength: 105
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 3
+  planLength: 100
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 4
+  planLength: 90
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 5
+  planLength: 115
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 6
+  planLength: 115
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 7
+  planLength: 115
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 8
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 9
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 10
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 11
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 12
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 13
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 14
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 15
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 16
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 17
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 18
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 19
+  planLength: null
 - ipc: ipc-2011
   domain: barman-sequential-satisficing
   instance: 20
+  planLength: null
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 1
+  planLength: 30
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 2
+  planLength: 35
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 3
+  planLength: 45
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 4
+  planLength: 35
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 5
+  planLength: 40
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 6
+  planLength: 50
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 7
+  planLength: 40
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 8
+  planLength: 50
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 9
+  planLength: 50
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 10
+  planLength: 105
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 11
+  planLength: 85
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 12
+  planLength: 75
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 13
+  planLength: 95
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 14
+  planLength: 80
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 15
+  planLength: 90
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 16
+  planLength: 70
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 17
+  planLength: 80
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 18
+  planLength: 95
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 19
+  planLength: 80
 - ipc: ipc-2011
   domain: elevator-sequential-satisficing
   instance: 20
+  planLength: 90
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 1
+  planLength: 70
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 2
+  planLength: 60
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 3
+  planLength: 100
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 4
+  planLength: 90
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 5
+  planLength: 75
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 6
+  planLength: 65
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 7
+  planLength: 105
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 8
+  planLength: 80
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 9
+  planLength: 80
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 10
+  planLength: 105
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 11
+  planLength: 85
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 12
+  planLength: 75
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 13
+  planLength: 95
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 14
+  planLength: 80
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 15
+  planLength: 90
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 16
+  planLength: 70
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 17
+  planLength: 80
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 18
+  planLength: 95
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 19
+  planLength: 80
 - ipc: ipc-2011
   domain: parking-sequential-satisficing
   instance: 20
+  planLength: null
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 1
+  planLength: 80
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 2
+  planLength: 45
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 3
+  planLength: 35
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 4
+  planLength: 25
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 5
+  planLength: 80
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 6
+  planLength: 115
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 7
+  planLength: 40
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 8
+  planLength: 25
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 9
+  planLength: 60
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 10
+  planLength: 60
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 11
+  planLength: 85
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 12
+  planLength: 65
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 13
+  planLength: null
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 14
+  planLength: 45
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 15
+  planLength: 60
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 16
+  planLength: 95
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 17
+  planLength: 105
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 18
+  planLength: 90
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 19
+  planLength: null
 - ipc: ipc-2011
   domain: tidybot-sequential-satisficing
   instance: 20
+  planLength: null