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TLC2 Version 2.19 of 08 August 2024 (rev: 5a47802)
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Running breadth-first search Model-Checking with fp 67 and seed -1274474119556453073 with 4 workers on 12 cores with 1191MB heap and 2675MB offheap memory [pid: 4824] (Windows 10 10.0 amd64, AdoptOpenJDK 14.0.1 x86_64, OffHeapDiskFPSet, DiskStateQueue).
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Starting SANY...
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Parsing file C:\lamport\books\fred\book-specs\FGSqrs.toolbox\Model_2\MC.tla
Parsing file C:\lamport\books\fred\book-specs\FGSqrs.toolbox\Model_2\FGSqrs.tla
Parsing file C:\lamport\tla\toolbox\TLAToolbox-1.7.4-win32.win32.x86_64\toolbox\plugins\org.lamport.tlatools_1.0.0.202408081326\tla2sany\StandardModules\TLC.tla
Parsing file C:\lamport\tla\toolbox\TLAToolbox-1.7.4-win32.win32.x86_64\toolbox\plugins\org.lamport.tlatools_1.0.0.202408081326\tla2sany\StandardModules\Integers.tla
Parsing file C:\lamport\tla\toolbox\TLAToolbox-1.7.4-win32.win32.x86_64\toolbox\plugins\org.lamport.tlatools_1.0.0.202408081326\tla2sany\StandardModules\Naturals.tla
Parsing file C:\lamport\tla\toolbox\TLAToolbox-1.7.4-win32.win32.x86_64\toolbox\plugins\org.lamport.tlatools_1.0.0.202408081326\tla2sany\StandardModules\Sequences.tla
Parsing file C:\lamport\tla\toolbox\TLAToolbox-1.7.4-win32.win32.x86_64\toolbox\plugins\org.lamport.tlatools_1.0.0.202408081326\tla2sany\StandardModules\FiniteSets.tla
Semantic processing of module Naturals
Semantic processing of module Integers
Semantic processing of module FGSqrs
Semantic processing of module Sequences
Semantic processing of module FiniteSets
Semantic processing of module TLC
Semantic processing of module MC
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SANY finished.
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Starting... (2024-10-06 18:00:02)
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Computing initial states...
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Computed 2 initial states...
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Computed 4 initial states...
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Finished computing initial states: 7 states generated, with 2 of them distinct at 2024-10-06 18:00:02.
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Model checking completed. No error has been found.
  Estimates of the probability that TLC did not check all reachable states
  because two distinct states had the same fingerprint:
  calculated (optimistic):  val = 7.6E-19
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@!@!@STARTMSG 2201:0 @!@!@
The coverage statistics at 2024-10-06 18:00:02
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<Inv line 33, col 1 to line 33, col 3 of module FGSqrs>: 7:882
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  line 33, col 12 to line 33, col 20 of module FGSqrs: 1
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@!@!@STARTMSG 2221:0 @!@!@
  line 33, col 27 to line 33, col 35 of module FGSqrs: 21
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@!@!@STARTMSG 2221:0 @!@!@
  line 33, col 42 to line 33, col 58 of module FGSqrs: 7
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@!@!@STARTMSG 2775:0 @!@!@
  |line 33, col 49 to line 33, col 58 of module FGSqrs: 441:1323
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@!@!@STARTMSG 2221:0 @!@!@
  line 34, col 11 to line 34, col 20 of module FGSqrs: 882
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@!@!@STARTMSG 2221:0 @!@!@
  |line 34, col 11 to line 34, col 16 of module FGSqrs: 882
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@!@!@STARTMSG 2221:0 @!@!@
  ||line 34, col 11 to line 34, col 12 of module FGSqrs: 882
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@!@!@STARTMSG 2221:0 @!@!@
  |||line 31, col 7 to line 31, col 35 of module FGSqrs: 882
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  ||||line 31, col 10 to line 31, col 17 of module FGSqrs: 882
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  ||||line 31, col 24 to line 31, col 24 of module FGSqrs: 441
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@!@!@STARTMSG 2221:0 @!@!@
  ||||line 31, col 31 to line 31, col 35 of module FGSqrs: 441
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@!@!@STARTMSG 2221:0 @!@!@
  line 35, col 11 to line 35, col 33 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  |line 35, col 11 to line 35, col 11 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  |line 35, col 15 to line 35, col 33 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  ||line 35, col 16 to line 35, col 30 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  |||line 35, col 17 to line 35, col 22 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  ||||line 35, col 17 to line 35, col 18 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  |||||line 31, col 7 to line 31, col 35 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  ||||||line 31, col 10 to line 31, col 17 of module FGSqrs: 420
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@!@!@STARTMSG 2221:0 @!@!@
  ||||||line 31, col 24 to line 31, col 24 of module FGSqrs: 210
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@!@!@STARTMSG 2221:0 @!@!@
  ||||||line 31, col 31 to line 31, col 35 of module FGSqrs: 210
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@!@!@STARTMSG 2772:0 @!@!@
<Next line 20, col 1 to line 20, col 4 of module FGSqrs>: 0:2
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  line 20, col 12 to line 20, col 19 of module FGSqrs: 2
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@!@!@STARTMSG 2221:0 @!@!@
  line 20, col 26 to line 22, col 37 of module FGSqrs: 1
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@!@!@STARTMSG 2221:0 @!@!@
  line 23, col 26 to line 25, col 37 of module FGSqrs: 1
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@!@!@STARTMSG 2774:0 @!@!@
<Inv line 33, col 1 to line 33, col 3 of module FGSqrs>
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@!@!@STARTMSG 2221:0 @!@!@
  line 33, col 8 to line 35, col 33 of module FGSqrs: 8
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@!@!@STARTMSG 2221:0 @!@!@
  |line 33, col 11 to line 33, col 59 of module FGSqrs: 8
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  |line 34, col 11 to line 34, col 20 of module FGSqrs: 8
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@!@!@STARTMSG 2221:0 @!@!@
  ||line 34, col 11 to line 34, col 16 of module FGSqrs: 8
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  |||line 34, col 11 to line 34, col 12 of module FGSqrs: 8
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@!@!@STARTMSG 2221:0 @!@!@
  ||||line 31, col 7 to line 31, col 35 of module FGSqrs: 8
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@!@!@STARTMSG 2221:0 @!@!@
  |||||line 31, col 10 to line 31, col 17 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||line 31, col 24 to line 31, col 24 of module FGSqrs: 5
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||line 31, col 31 to line 31, col 35 of module FGSqrs: 3
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |line 35, col 11 to line 35, col 33 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  ||line 35, col 11 to line 35, col 11 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  ||line 35, col 15 to line 35, col 33 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||line 35, col 16 to line 35, col 30 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  ||||line 35, col 17 to line 35, col 22 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||line 35, col 17 to line 35, col 18 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  ||||||line 31, col 7 to line 31, col 35 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||||line 31, col 10 to line 31, col 17 of module FGSqrs: 8
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||||line 31, col 24 to line 31, col 24 of module FGSqrs: 5
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2221:0 @!@!@
  |||||||line 31, col 31 to line 31, col 35 of module FGSqrs: 3
@!@!@ENDMSG 2221 @!@!@
@!@!@STARTMSG 2202:0 @!@!@
End of statistics.
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@!@!@STARTMSG 2200:0 @!@!@
Progress(1) at 2024-10-06 18:00:02: 9 states generated (883 s/min), 2 distinct states found (196 ds/min), 0 states left on queue.
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@!@!@STARTMSG 2199:0 @!@!@
9 states generated, 2 distinct states found, 0 states left on queue.
@!@!@ENDMSG 2199 @!@!@
@!@!@STARTMSG 2194:0 @!@!@
The depth of the complete state graph search is 1.
@!@!@ENDMSG 2194 @!@!@
@!@!@STARTMSG 2268:0 @!@!@
The average outdegree of the complete state graph is 0 (minimum is 0, the maximum 0 and the 95th percentile is 0).
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@!@!@STARTMSG 2186:0 @!@!@
Finished in 618ms at (2024-10-06 18:00:02)
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