./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version e19ca921
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-e19ca92
[2021-12-22 13:42:02,906 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-22 13:42:02,908 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-22 13:42:02,952 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-22 13:42:02,953 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-22 13:42:02,955 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-22 13:42:02,956 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-22 13:42:02,958 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-22 13:42:02,960 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-22 13:42:02,963 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-22 13:42:02,964 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-22 13:42:02,965 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-22 13:42:02,965 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-22 13:42:02,967 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-22 13:42:02,967 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-22 13:42:02,970 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-22 13:42:02,971 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-22 13:42:02,971 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-22 13:42:02,973 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-22 13:42:02,977 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-22 13:42:02,978 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-22 13:42:02,979 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-22 13:42:02,980 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-22 13:42:02,980 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-22 13:42:02,985 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-22 13:42:02,985 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-22 13:42:02,986 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-22 13:42:02,987 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-22 13:42:02,987 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-22 13:42:02,988 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-22 13:42:02,988 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-22 13:42:02,989 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-22 13:42:02,990 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-22 13:42:02,991 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-22 13:42:02,991 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-22 13:42:02,992 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-22 13:42:02,992 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-22 13:42:02,992 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-22 13:42:02,992 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-22 13:42:02,994 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-22 13:42:02,994 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-22 13:42:02,995 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-22 13:42:03,021 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-22 13:42:03,021 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-22 13:42:03,022 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-22 13:42:03,022 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-22 13:42:03,023 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-22 13:42:03,023 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-22 13:42:03,023 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-22 13:42:03,023 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-22 13:42:03,023 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-22 13:42:03,024 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-22 13:42:03,024 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-22 13:42:03,024 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-22 13:42:03,025 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-22 13:42:03,026 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-22 13:42:03,026 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-22 13:42:03,026 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-22 13:42:03,026 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-22 13:42:03,026 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-22 13:42:03,026 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-22 13:42:03,027 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-22 13:42:03,027 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-22 13:42:03,028 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-22 13:42:03,028 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-22 13:42:03,028 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-22 13:42:03,028 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-22 13:42:03,028 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-22 13:42:03,029 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-22 13:42:03,029 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-22 13:42:03,029 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff
[2021-12-22 13:42:03,228 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-22 13:42:03,242 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-22 13:42:03,244 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-22 13:42:03,245 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-22 13:42:03,245 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-22 13:42:03,246 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-22 13:42:03,284 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d473d4850/4958058e9a5c4c06a68a8769140b9430/FLAG482106384
[2021-12-22 13:42:03,611 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-22 13:42:03,612 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-22 13:42:03,617 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d473d4850/4958058e9a5c4c06a68a8769140b9430/FLAG482106384
[2021-12-22 13:42:04,018 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d473d4850/4958058e9a5c4c06a68a8769140b9430
[2021-12-22 13:42:04,021 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-22 13:42:04,023 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-22 13:42:04,033 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-22 13:42:04,033 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-22 13:42:04,036 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-22 13:42:04,036 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,041 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46aa38cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04, skipping insertion in model container
[2021-12-22 13:42:04,041 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,046 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-22 13:42:04,062 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-22 13:42:04,209 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967]
[2021-12-22 13:42:04,213 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-22 13:42:04,219 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-22 13:42:04,241 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967]
[2021-12-22 13:42:04,242 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-22 13:42:04,253 INFO  L208         MainTranslator]: Completed translation
[2021-12-22 13:42:04,253 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04 WrapperNode
[2021-12-22 13:42:04,253 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-22 13:42:04,254 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-22 13:42:04,255 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-22 13:42:04,255 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-22 13:42:04,260 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,276 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,294 INFO  L137                Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 250
[2021-12-22 13:42:04,295 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-22 13:42:04,295 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-22 13:42:04,296 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-22 13:42:04,296 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-22 13:42:04,301 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,301 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,304 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,305 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,313 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,318 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,319 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,322 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-22 13:42:04,322 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-22 13:42:04,322 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-22 13:42:04,322 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-22 13:42:04,335 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (1/1) ...
[2021-12-22 13:42:04,341 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-22 13:42:04,348 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-22 13:42:04,367 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-12-22 13:42:04,369 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-12-22 13:42:04,402 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-22 13:42:04,403 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-22 13:42:04,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-22 13:42:04,403 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-22 13:42:04,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-22 13:42:04,403 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-12-22 13:42:04,403 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-12-22 13:42:04,404 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-22 13:42:04,404 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-22 13:42:04,404 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-22 13:42:04,406 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-22 13:42:04,407 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-22 13:42:04,407 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-22 13:42:04,407 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-22 13:42:04,408 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-22 13:42:04,483 INFO  L234             CfgBuilder]: Building ICFG
[2021-12-22 13:42:04,484 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-22 13:42:04,841 INFO  L275             CfgBuilder]: Performing block encoding
[2021-12-22 13:42:04,850 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-22 13:42:04,850 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-12-22 13:42:04,852 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:42:04 BoogieIcfgContainer
[2021-12-22 13:42:04,852 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-22 13:42:04,854 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-22 13:42:04,854 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-22 13:42:04,856 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-22 13:42:04,856 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:42:04" (1/3) ...
[2021-12-22 13:42:04,857 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733e3168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:42:04, skipping insertion in model container
[2021-12-22 13:42:04,857 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:42:04" (2/3) ...
[2021-12-22 13:42:04,857 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733e3168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:42:04, skipping insertion in model container
[2021-12-22 13:42:04,857 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:42:04" (3/3) ...
[2021-12-22 13:42:04,858 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c
[2021-12-22 13:42:04,862 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-22 13:42:04,862 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-22 13:42:04,862 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-22 13:42:04,863 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-22 13:42:04,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,914 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,915 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,916 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,917 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,918 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,919 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,920 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,920 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,920 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,920 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,920 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,921 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,922 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,923 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,924 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,925 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,925 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,926 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,927 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,927 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,927 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,928 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,929 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,930 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,931 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,932 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,933 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,934 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,935 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,936 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,937 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,938 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,939 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,939 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,963 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,964 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,965 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,966 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,967 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,967 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,967 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,967 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,967 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,993 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:04,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,000 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,000 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,001 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,002 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,003 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,004 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,005 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,007 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,007 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,008 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,010 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,015 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,016 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,016 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,016 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,016 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,017 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,018 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,019 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,019 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,020 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,020 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,022 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,023 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-22 13:42:05,029 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-12-22 13:42:05,073 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-22 13:42:05,081 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-12-22 13:42:05,081 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-12-22 13:42:05,091 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 326 places, 341 transitions, 706 flow
[2021-12-22 13:42:05,194 INFO  L129       PetriNetUnfolder]: 25/338 cut-off events.
[2021-12-22 13:42:05,194 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-22 13:42:05,200 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 351 conditions, 338 events. 25/338 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 635 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 256. Up to 2 conditions per place. 
[2021-12-22 13:42:05,200 INFO  L82        GeneralOperation]: Start removeDead. Operand has 326 places, 341 transitions, 706 flow
[2021-12-22 13:42:05,206 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 312 places, 327 transitions, 672 flow
[2021-12-22 13:42:05,249 INFO  L129       PetriNetUnfolder]: 25/326 cut-off events.
[2021-12-22 13:42:05,249 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-22 13:42:05,249 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:05,250 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:05,250 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:05,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:05,254 INFO  L85        PathProgramCache]: Analyzing trace with hash -1820755081, now seen corresponding path program 1 times
[2021-12-22 13:42:05,260 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:05,260 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316634868]
[2021-12-22 13:42:05,260 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:05,261 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:05,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:05,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:05,791 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:05,791 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316634868]
[2021-12-22 13:42:05,792 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316634868] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:05,792 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:05,792 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-22 13:42:05,793 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018883206]
[2021-12-22 13:42:05,793 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:05,799 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-22 13:42:05,799 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:05,820 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-22 13:42:05,823 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-12-22 13:42:05,833 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 341
[2021-12-22 13:42:05,845 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 327 transitions, 672 flow. Second operand  has 7 states, 7 states have (on average 309.57142857142856) internal successors, (2167), 7 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:05,846 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:05,846 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 341
[2021-12-22 13:42:05,847 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:06,101 INFO  L129       PetriNetUnfolder]: 87/826 cut-off events.
[2021-12-22 13:42:06,102 INFO  L130       PetriNetUnfolder]: For 64/64 co-relation queries the response was YES.
[2021-12-22 13:42:06,110 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 826 events. 87/826 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4473 event pairs, 31 based on Foata normal form. 153/902 useless extension candidates. Maximal degree in co-relation 845. Up to 72 conditions per place. 
[2021-12-22 13:42:06,116 INFO  L132   encePairwiseOnDemand]: 319/341 looper letters, 30 selfloop transitions, 5 changer transitions 6/335 dead transitions.
[2021-12-22 13:42:06,117 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 335 transitions, 797 flow
[2021-12-22 13:42:06,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-22 13:42:06,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-22 13:42:06,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2843 transitions.
[2021-12-22 13:42:06,136 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9263603779732812
[2021-12-22 13:42:06,137 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2843 transitions.
[2021-12-22 13:42:06,137 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2843 transitions.
[2021-12-22 13:42:06,140 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:06,142 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2843 transitions.
[2021-12-22 13:42:06,149 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 315.8888888888889) internal successors, (2843), 9 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,158 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,160 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,161 INFO  L186             Difference]: Start difference. First operand has 312 places, 327 transitions, 672 flow. Second operand 9 states and 2843 transitions.
[2021-12-22 13:42:06,162 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 335 transitions, 797 flow
[2021-12-22 13:42:06,167 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 335 transitions, 767 flow, removed 0 selfloop flow, removed 6 redundant places.
[2021-12-22 13:42:06,173 INFO  L242             Difference]: Finished difference. Result has 319 places, 315 transitions, 661 flow
[2021-12-22 13:42:06,175 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=661, PETRI_PLACES=319, PETRI_TRANSITIONS=315}
[2021-12-22 13:42:06,181 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 7 predicate places.
[2021-12-22 13:42:06,182 INFO  L470      AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 661 flow
[2021-12-22 13:42:06,183 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 309.57142857142856) internal successors, (2167), 7 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,183 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:06,183 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:06,183 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-22 13:42:06,184 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:06,184 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:06,184 INFO  L85        PathProgramCache]: Analyzing trace with hash -566622069, now seen corresponding path program 1 times
[2021-12-22 13:42:06,184 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:06,184 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544025974]
[2021-12-22 13:42:06,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:06,185 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:06,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:06,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:06,386 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:06,386 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544025974]
[2021-12-22 13:42:06,386 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544025974] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:06,386 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:06,387 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-22 13:42:06,387 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006071647]
[2021-12-22 13:42:06,387 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:06,388 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-22 13:42:06,388 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:06,388 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-22 13:42:06,388 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-22 13:42:06,390 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 311 out of 341
[2021-12-22 13:42:06,392 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 315 transitions, 661 flow. Second operand  has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,392 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:06,392 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 341
[2021-12-22 13:42:06,392 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:06,528 INFO  L129       PetriNetUnfolder]: 32/499 cut-off events.
[2021-12-22 13:42:06,530 INFO  L130       PetriNetUnfolder]: For 25/34 co-relation queries the response was YES.
[2021-12-22 13:42:06,536 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 593 conditions, 499 events. 32/499 cut-off events. For 25/34 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1902 event pairs, 9 based on Foata normal form. 5/462 useless extension candidates. Maximal degree in co-relation 580. Up to 36 conditions per place. 
[2021-12-22 13:42:06,538 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 3 changer transitions 4/328 dead transitions.
[2021-12-22 13:42:06,539 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 328 transitions, 755 flow
[2021-12-22 13:42:06,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-22 13:42:06,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-22 13:42:06,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2206 transitions.
[2021-12-22 13:42:06,542 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9241726015919565
[2021-12-22 13:42:06,542 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2206 transitions.
[2021-12-22 13:42:06,542 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2206 transitions.
[2021-12-22 13:42:06,543 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:06,543 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2206 transitions.
[2021-12-22 13:42:06,546 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 315.14285714285717) internal successors, (2206), 7 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,550 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,551 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,551 INFO  L186             Difference]: Start difference. First operand has 319 places, 315 transitions, 661 flow. Second operand 7 states and 2206 transitions.
[2021-12-22 13:42:06,551 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 328 transitions, 755 flow
[2021-12-22 13:42:06,554 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 328 transitions, 744 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-22 13:42:06,558 INFO  L242             Difference]: Finished difference. Result has 322 places, 317 transitions, 677 flow
[2021-12-22 13:42:06,559 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=677, PETRI_PLACES=322, PETRI_TRANSITIONS=317}
[2021-12-22 13:42:06,559 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-22 13:42:06,560 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 317 transitions, 677 flow
[2021-12-22 13:42:06,561 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,561 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:06,561 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:06,561 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-22 13:42:06,562 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:06,562 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:06,562 INFO  L85        PathProgramCache]: Analyzing trace with hash 1572473933, now seen corresponding path program 1 times
[2021-12-22 13:42:06,562 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:06,562 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870298081]
[2021-12-22 13:42:06,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:06,563 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:06,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:06,684 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:06,685 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:06,685 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870298081]
[2021-12-22 13:42:06,685 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870298081] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:06,686 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:06,686 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:06,686 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546108050]
[2021-12-22 13:42:06,686 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:06,687 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:06,687 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:06,688 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:06,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:06,689 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:06,690 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 317 transitions, 677 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:06,690 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:06,690 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:06,690 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:07,137 INFO  L129       PetriNetUnfolder]: 503/3092 cut-off events.
[2021-12-22 13:42:07,138 INFO  L130       PetriNetUnfolder]: For 107/107 co-relation queries the response was YES.
[2021-12-22 13:42:07,156 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 3092 events. 503/3092 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 27515 event pairs, 249 based on Foata normal form. 0/2628 useless extension candidates. Maximal degree in co-relation 3903. Up to 448 conditions per place. 
[2021-12-22 13:42:07,165 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 2 changer transitions 3/335 dead transitions.
[2021-12-22 13:42:07,165 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 805 flow
[2021-12-22 13:42:07,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:07,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:07,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-22 13:42:07,168 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-22 13:42:07,168 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:07,168 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:07,168 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:07,168 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:07,170 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,172 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,173 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,173 INFO  L186             Difference]: Start difference. First operand has 322 places, 317 transitions, 677 flow. Second operand 4 states and 1256 transitions.
[2021-12-22 13:42:07,173 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 805 flow
[2021-12-22 13:42:07,177 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 335 transitions, 800 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-22 13:42:07,181 INFO  L242             Difference]: Finished difference. Result has 322 places, 315 transitions, 671 flow
[2021-12-22 13:42:07,181 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=671, PETRI_PLACES=322, PETRI_TRANSITIONS=315}
[2021-12-22 13:42:07,182 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-22 13:42:07,182 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 671 flow
[2021-12-22 13:42:07,183 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,183 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:07,183 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:07,183 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-22 13:42:07,184 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:07,184 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:07,184 INFO  L85        PathProgramCache]: Analyzing trace with hash -2140776571, now seen corresponding path program 2 times
[2021-12-22 13:42:07,184 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:07,184 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613500860]
[2021-12-22 13:42:07,184 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:07,185 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:07,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:07,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:07,321 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:07,321 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613500860]
[2021-12-22 13:42:07,322 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613500860] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:07,322 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:07,322 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:07,322 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409637743]
[2021-12-22 13:42:07,322 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:07,323 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:07,323 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:07,324 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:07,326 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:07,327 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:07,329 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 315 transitions, 671 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,329 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:07,329 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:07,329 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:07,821 INFO  L129       PetriNetUnfolder]: 436/2996 cut-off events.
[2021-12-22 13:42:07,822 INFO  L130       PetriNetUnfolder]: For 259/262 co-relation queries the response was YES.
[2021-12-22 13:42:07,836 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3824 conditions, 2996 events. 436/2996 cut-off events. For 259/262 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 26074 event pairs, 222 based on Foata normal form. 2/2677 useless extension candidates. Maximal degree in co-relation 3757. Up to 408 conditions per place. 
[2021-12-22 13:42:07,843 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 38 selfloop transitions, 3 changer transitions 1/332 dead transitions.
[2021-12-22 13:42:07,844 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 332 transitions, 804 flow
[2021-12-22 13:42:07,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:07,844 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:07,846 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-22 13:42:07,846 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-22 13:42:07,846 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:07,846 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:07,847 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:07,847 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:07,849 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,851 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,851 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,851 INFO  L186             Difference]: Start difference. First operand has 322 places, 315 transitions, 671 flow. Second operand 4 states and 1254 transitions.
[2021-12-22 13:42:07,851 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 332 transitions, 804 flow
[2021-12-22 13:42:07,856 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 332 transitions, 796 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-22 13:42:07,859 INFO  L242             Difference]: Finished difference. Result has 320 places, 317 transitions, 693 flow
[2021-12-22 13:42:07,859 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=693, PETRI_PLACES=320, PETRI_TRANSITIONS=317}
[2021-12-22 13:42:07,860 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 8 predicate places.
[2021-12-22 13:42:07,861 INFO  L470      AbstractCegarLoop]: Abstraction has has 320 places, 317 transitions, 693 flow
[2021-12-22 13:42:07,861 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,861 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:07,861 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:07,862 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-22 13:42:07,862 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:07,862 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:07,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -237683451, now seen corresponding path program 3 times
[2021-12-22 13:42:07,863 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:07,863 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806907023]
[2021-12-22 13:42:07,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:07,864 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:07,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:07,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:07,939 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:07,939 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806907023]
[2021-12-22 13:42:07,939 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806907023] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:07,939 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:07,939 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:07,940 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880038286]
[2021-12-22 13:42:07,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:07,941 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:07,941 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:07,941 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:07,941 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:07,943 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:07,944 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 317 transitions, 693 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:07,944 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:07,944 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:07,944 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:08,430 INFO  L129       PetriNetUnfolder]: 467/3337 cut-off events.
[2021-12-22 13:42:08,431 INFO  L130       PetriNetUnfolder]: For 631/712 co-relation queries the response was YES.
[2021-12-22 13:42:08,453 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4412 conditions, 3337 events. 467/3337 cut-off events. For 631/712 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 30628 event pairs, 228 based on Foata normal form. 4/3040 useless extension candidates. Maximal degree in co-relation 4201. Up to 399 conditions per place. 
[2021-12-22 13:42:08,464 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 41 selfloop transitions, 5 changer transitions 0/336 dead transitions.
[2021-12-22 13:42:08,465 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 336 transitions, 845 flow
[2021-12-22 13:42:08,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:08,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:08,466 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1257 transitions.
[2021-12-22 13:42:08,467 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9215542521994134
[2021-12-22 13:42:08,467 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1257 transitions.
[2021-12-22 13:42:08,467 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1257 transitions.
[2021-12-22 13:42:08,468 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:08,468 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1257 transitions.
[2021-12-22 13:42:08,470 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:08,471 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:08,472 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:08,472 INFO  L186             Difference]: Start difference. First operand has 320 places, 317 transitions, 693 flow. Second operand 4 states and 1257 transitions.
[2021-12-22 13:42:08,472 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 336 transitions, 845 flow
[2021-12-22 13:42:08,476 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 336 transitions, 843 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:08,479 INFO  L242             Difference]: Finished difference. Result has 324 places, 318 transitions, 720 flow
[2021-12-22 13:42:08,479 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=720, PETRI_PLACES=324, PETRI_TRANSITIONS=318}
[2021-12-22 13:42:08,481 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 12 predicate places.
[2021-12-22 13:42:08,482 INFO  L470      AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 720 flow
[2021-12-22 13:42:08,482 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:08,482 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:08,482 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:08,482 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-22 13:42:08,483 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:08,483 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:08,483 INFO  L85        PathProgramCache]: Analyzing trace with hash 632786909, now seen corresponding path program 4 times
[2021-12-22 13:42:08,483 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:08,484 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243122941]
[2021-12-22 13:42:08,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:08,484 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:08,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:08,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:08,551 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:08,551 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243122941]
[2021-12-22 13:42:08,552 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243122941] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:08,552 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:08,552 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:08,552 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308434858]
[2021-12-22 13:42:08,552 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:08,553 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:08,553 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:08,554 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:08,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:08,555 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:08,556 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 720 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:08,556 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:08,556 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:08,556 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:08,997 INFO  L129       PetriNetUnfolder]: 464/3338 cut-off events.
[2021-12-22 13:42:08,997 INFO  L130       PetriNetUnfolder]: For 1011/1095 co-relation queries the response was YES.
[2021-12-22 13:42:09,015 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4551 conditions, 3338 events. 464/3338 cut-off events. For 1011/1095 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 30555 event pairs, 226 based on Foata normal form. 4/3036 useless extension candidates. Maximal degree in co-relation 4335. Up to 399 conditions per place. 
[2021-12-22 13:42:09,023 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 39 selfloop transitions, 5 changer transitions 1/335 dead transitions.
[2021-12-22 13:42:09,023 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 335 transitions, 864 flow
[2021-12-22 13:42:09,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:09,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:09,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-22 13:42:09,025 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-22 13:42:09,026 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:09,026 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:09,026 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:09,026 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-22 13:42:09,029 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,031 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,031 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,031 INFO  L186             Difference]: Start difference. First operand has 324 places, 318 transitions, 720 flow. Second operand 4 states and 1256 transitions.
[2021-12-22 13:42:09,031 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 335 transitions, 864 flow
[2021-12-22 13:42:09,035 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 335 transitions, 860 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:09,038 INFO  L242             Difference]: Finished difference. Result has 328 places, 319 transitions, 746 flow
[2021-12-22 13:42:09,039 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=746, PETRI_PLACES=328, PETRI_TRANSITIONS=319}
[2021-12-22 13:42:09,040 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 16 predicate places.
[2021-12-22 13:42:09,041 INFO  L470      AbstractCegarLoop]: Abstraction has has 328 places, 319 transitions, 746 flow
[2021-12-22 13:42:09,041 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,041 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:09,041 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:09,042 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-22 13:42:09,042 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:09,042 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:09,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 42985117, now seen corresponding path program 5 times
[2021-12-22 13:42:09,043 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:09,043 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412212272]
[2021-12-22 13:42:09,043 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:09,043 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:09,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:09,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:09,094 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:09,094 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412212272]
[2021-12-22 13:42:09,094 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412212272] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:09,094 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:09,094 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:09,094 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840600230]
[2021-12-22 13:42:09,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:09,098 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:09,098 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:09,098 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:09,098 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:09,099 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:09,100 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 319 transitions, 746 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,100 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:09,100 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:09,100 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:09,601 INFO  L129       PetriNetUnfolder]: 486/3495 cut-off events.
[2021-12-22 13:42:09,601 INFO  L130       PetriNetUnfolder]: For 1637/1815 co-relation queries the response was YES.
[2021-12-22 13:42:09,628 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4842 conditions, 3495 events. 486/3495 cut-off events. For 1637/1815 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 32098 event pairs, 259 based on Foata normal form. 1/3158 useless extension candidates. Maximal degree in co-relation 4594. Up to 480 conditions per place. 
[2021-12-22 13:42:09,637 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 3 changer transitions 1/334 dead transitions.
[2021-12-22 13:42:09,637 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 334 transitions, 880 flow
[2021-12-22 13:42:09,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:09,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:09,639 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-22 13:42:09,640 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-22 13:42:09,640 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:09,640 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:09,641 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:09,641 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-22 13:42:09,643 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,645 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,645 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,645 INFO  L186             Difference]: Start difference. First operand has 328 places, 319 transitions, 746 flow. Second operand 4 states and 1254 transitions.
[2021-12-22 13:42:09,645 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 334 transitions, 880 flow
[2021-12-22 13:42:09,651 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:09,654 INFO  L242             Difference]: Finished difference. Result has 332 places, 320 transitions, 766 flow
[2021-12-22 13:42:09,654 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=766, PETRI_PLACES=332, PETRI_TRANSITIONS=320}
[2021-12-22 13:42:09,655 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 20 predicate places.
[2021-12-22 13:42:09,655 INFO  L470      AbstractCegarLoop]: Abstraction has has 332 places, 320 transitions, 766 flow
[2021-12-22 13:42:09,655 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,655 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:09,656 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:09,656 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-22 13:42:09,656 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:09,656 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:09,656 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261496579, now seen corresponding path program 6 times
[2021-12-22 13:42:09,657 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:09,657 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891525376]
[2021-12-22 13:42:09,657 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:09,657 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:09,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:09,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:09,712 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:09,713 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891525376]
[2021-12-22 13:42:09,713 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891525376] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:09,713 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:09,713 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:09,713 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707742051]
[2021-12-22 13:42:09,713 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:09,714 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:09,714 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:09,714 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:09,714 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:09,715 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:09,726 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 320 transitions, 766 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:09,726 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:09,726 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:09,726 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:10,192 INFO  L129       PetriNetUnfolder]: 485/3470 cut-off events.
[2021-12-22 13:42:10,192 INFO  L130       PetriNetUnfolder]: For 2348/2664 co-relation queries the response was YES.
[2021-12-22 13:42:10,217 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4941 conditions, 3470 events. 485/3470 cut-off events. For 2348/2664 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 31856 event pairs, 247 based on Foata normal form. 3/3169 useless extension candidates. Maximal degree in co-relation 4708. Up to 459 conditions per place. 
[2021-12-22 13:42:10,225 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 4 changer transitions 1/335 dead transitions.
[2021-12-22 13:42:10,225 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 896 flow
[2021-12-22 13:42:10,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-22 13:42:10,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-22 13:42:10,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1255 transitions.
[2021-12-22 13:42:10,227 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9200879765395894
[2021-12-22 13:42:10,227 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1255 transitions.
[2021-12-22 13:42:10,227 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1255 transitions.
[2021-12-22 13:42:10,228 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:10,228 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1255 transitions.
[2021-12-22 13:42:10,230 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,231 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,232 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,232 INFO  L186             Difference]: Start difference. First operand has 332 places, 320 transitions, 766 flow. Second operand 4 states and 1255 transitions.
[2021-12-22 13:42:10,232 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 896 flow
[2021-12-22 13:42:10,237 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 335 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:10,240 INFO  L242             Difference]: Finished difference. Result has 336 places, 320 transitions, 777 flow
[2021-12-22 13:42:10,241 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=777, PETRI_PLACES=336, PETRI_TRANSITIONS=320}
[2021-12-22 13:42:10,242 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 24 predicate places.
[2021-12-22 13:42:10,242 INFO  L470      AbstractCegarLoop]: Abstraction has has 336 places, 320 transitions, 777 flow
[2021-12-22 13:42:10,243 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,243 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:10,243 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:10,243 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-12-22 13:42:10,244 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:10,244 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:10,244 INFO  L85        PathProgramCache]: Analyzing trace with hash 1753842987, now seen corresponding path program 1 times
[2021-12-22 13:42:10,244 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:10,244 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742491244]
[2021-12-22 13:42:10,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:10,244 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:10,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:10,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:10,310 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:10,310 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742491244]
[2021-12-22 13:42:10,310 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742491244] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:10,310 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:10,311 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:10,311 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328899037]
[2021-12-22 13:42:10,311 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:10,311 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:10,311 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:10,312 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:10,312 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:10,313 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:10,314 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 320 transitions, 777 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,314 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:10,314 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:10,314 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:10,778 INFO  L129       PetriNetUnfolder]: 419/3319 cut-off events.
[2021-12-22 13:42:10,779 INFO  L130       PetriNetUnfolder]: For 2398/2416 co-relation queries the response was YES.
[2021-12-22 13:42:10,797 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4930 conditions, 3319 events. 419/3319 cut-off events. For 2398/2416 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 32011 event pairs, 66 based on Foata normal form. 10/3183 useless extension candidates. Maximal degree in co-relation 4664. Up to 333 conditions per place. 
[2021-12-22 13:42:10,803 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 52 selfloop transitions, 8 changer transitions 3/353 dead transitions.
[2021-12-22 13:42:10,804 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 353 transitions, 1102 flow
[2021-12-22 13:42:10,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:10,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:10,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1571 transitions.
[2021-12-22 13:42:10,806 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214076246334311
[2021-12-22 13:42:10,807 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1571 transitions.
[2021-12-22 13:42:10,807 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1571 transitions.
[2021-12-22 13:42:10,807 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:10,807 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1571 transitions.
[2021-12-22 13:42:10,809 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.2) internal successors, (1571), 5 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,811 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,811 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,811 INFO  L186             Difference]: Start difference. First operand has 336 places, 320 transitions, 777 flow. Second operand 5 states and 1571 transitions.
[2021-12-22 13:42:10,812 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 353 transitions, 1102 flow
[2021-12-22 13:42:10,816 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 353 transitions, 1094 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:10,819 INFO  L242             Difference]: Finished difference. Result has 342 places, 327 transitions, 866 flow
[2021-12-22 13:42:10,820 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=866, PETRI_PLACES=342, PETRI_TRANSITIONS=327}
[2021-12-22 13:42:10,820 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 30 predicate places.
[2021-12-22 13:42:10,820 INFO  L470      AbstractCegarLoop]: Abstraction has has 342 places, 327 transitions, 866 flow
[2021-12-22 13:42:10,821 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,821 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:10,821 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:10,821 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-22 13:42:10,821 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:10,822 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:10,822 INFO  L85        PathProgramCache]: Analyzing trace with hash 244563527, now seen corresponding path program 2 times
[2021-12-22 13:42:10,822 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:10,822 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500638773]
[2021-12-22 13:42:10,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:10,822 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:10,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:10,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:10,869 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:10,870 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500638773]
[2021-12-22 13:42:10,870 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500638773] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:10,870 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:10,870 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:10,870 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831789883]
[2021-12-22 13:42:10,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:10,871 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:10,871 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:10,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:10,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:10,872 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:10,873 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 327 transitions, 866 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:10,873 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:10,873 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:10,873 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:11,404 INFO  L129       PetriNetUnfolder]: 474/4030 cut-off events.
[2021-12-22 13:42:11,404 INFO  L130       PetriNetUnfolder]: For 3570/4052 co-relation queries the response was YES.
[2021-12-22 13:42:11,444 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5971 conditions, 4030 events. 474/4030 cut-off events. For 3570/4052 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 39441 event pairs, 200 based on Foata normal form. 24/3744 useless extension candidates. Maximal degree in co-relation 5652. Up to 378 conditions per place. 
[2021-12-22 13:42:11,455 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 54 selfloop transitions, 14 changer transitions 2/360 dead transitions.
[2021-12-22 13:42:11,455 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 360 transitions, 1173 flow
[2021-12-22 13:42:11,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:11,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:11,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-22 13:42:11,458 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-22 13:42:11,458 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:11,458 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:11,459 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:11,459 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:11,461 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:11,463 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:11,463 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:11,463 INFO  L186             Difference]: Start difference. First operand has 342 places, 327 transitions, 866 flow. Second operand 5 states and 1578 transitions.
[2021-12-22 13:42:11,463 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 360 transitions, 1173 flow
[2021-12-22 13:42:11,470 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 360 transitions, 1156 flow, removed 8 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:11,473 INFO  L242             Difference]: Finished difference. Result has 349 places, 335 transitions, 983 flow
[2021-12-22 13:42:11,474 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=983, PETRI_PLACES=349, PETRI_TRANSITIONS=335}
[2021-12-22 13:42:11,475 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 37 predicate places.
[2021-12-22 13:42:11,475 INFO  L470      AbstractCegarLoop]: Abstraction has has 349 places, 335 transitions, 983 flow
[2021-12-22 13:42:11,475 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:11,482 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:11,483 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:11,483 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-22 13:42:11,483 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:11,483 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:11,484 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361086785, now seen corresponding path program 3 times
[2021-12-22 13:42:11,484 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:11,484 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794458035]
[2021-12-22 13:42:11,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:11,484 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:11,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:11,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:11,532 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:11,532 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794458035]
[2021-12-22 13:42:11,532 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794458035] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:11,532 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:11,532 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:11,532 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180814985]
[2021-12-22 13:42:11,532 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:11,533 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:11,533 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:11,533 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:11,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:11,534 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:11,535 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 335 transitions, 983 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:11,535 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:11,535 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:11,535 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:12,002 INFO  L129       PetriNetUnfolder]: 410/3486 cut-off events.
[2021-12-22 13:42:12,002 INFO  L130       PetriNetUnfolder]: For 3975/3983 co-relation queries the response was YES.
[2021-12-22 13:42:12,037 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5996 conditions, 3486 events. 410/3486 cut-off events. For 3975/3983 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 34156 event pairs, 76 based on Foata normal form. 9/3344 useless extension candidates. Maximal degree in co-relation 5412. Up to 368 conditions per place. 
[2021-12-22 13:42:12,048 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 64 selfloop transitions, 10 changer transitions 6/370 dead transitions.
[2021-12-22 13:42:12,048 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 370 transitions, 1410 flow
[2021-12-22 13:42:12,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:12,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:12,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-22 13:42:12,051 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-22 13:42:12,051 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:12,051 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:12,052 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:12,052 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:12,054 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.4) internal successors, (1572), 5 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,056 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,056 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,056 INFO  L186             Difference]: Start difference. First operand has 349 places, 335 transitions, 983 flow. Second operand 5 states and 1572 transitions.
[2021-12-22 13:42:12,056 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 370 transitions, 1410 flow
[2021-12-22 13:42:12,070 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 370 transitions, 1388 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:12,073 INFO  L242             Difference]: Finished difference. Result has 354 places, 341 transitions, 1066 flow
[2021-12-22 13:42:12,074 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1066, PETRI_PLACES=354, PETRI_TRANSITIONS=341}
[2021-12-22 13:42:12,074 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 42 predicate places.
[2021-12-22 13:42:12,074 INFO  L470      AbstractCegarLoop]: Abstraction has has 354 places, 341 transitions, 1066 flow
[2021-12-22 13:42:12,075 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,075 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:12,075 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:12,075 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-22 13:42:12,075 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:12,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:12,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 76886119, now seen corresponding path program 4 times
[2021-12-22 13:42:12,076 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:12,076 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120993268]
[2021-12-22 13:42:12,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:12,076 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:12,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:12,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:12,136 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:12,136 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120993268]
[2021-12-22 13:42:12,136 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120993268] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:12,136 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:12,136 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:12,137 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904189095]
[2021-12-22 13:42:12,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:12,137 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:12,137 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:12,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:12,138 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:12,139 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:12,139 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 341 transitions, 1066 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,139 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:12,139 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:12,140 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:12,749 INFO  L129       PetriNetUnfolder]: 453/4000 cut-off events.
[2021-12-22 13:42:12,750 INFO  L130       PetriNetUnfolder]: For 5444/5745 co-relation queries the response was YES.
[2021-12-22 13:42:12,786 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6729 conditions, 4000 events. 453/4000 cut-off events. For 5444/5745 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 39526 event pairs, 184 based on Foata normal form. 13/3733 useless extension candidates. Maximal degree in co-relation 6169. Up to 429 conditions per place. 
[2021-12-22 13:42:12,799 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 68 selfloop transitions, 12 changer transitions 5/375 dead transitions.
[2021-12-22 13:42:12,799 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 375 transitions, 1455 flow
[2021-12-22 13:42:12,800 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:12,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:12,802 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1577 transitions.
[2021-12-22 13:42:12,802 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9249266862170088
[2021-12-22 13:42:12,803 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1577 transitions.
[2021-12-22 13:42:12,803 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1577 transitions.
[2021-12-22 13:42:12,803 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:12,803 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1577 transitions.
[2021-12-22 13:42:12,806 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,808 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,808 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,808 INFO  L186             Difference]: Start difference. First operand has 354 places, 341 transitions, 1066 flow. Second operand 5 states and 1577 transitions.
[2021-12-22 13:42:12,808 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 375 transitions, 1455 flow
[2021-12-22 13:42:12,824 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 375 transitions, 1441 flow, removed 7 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:12,829 INFO  L242             Difference]: Finished difference. Result has 361 places, 348 transitions, 1186 flow
[2021-12-22 13:42:12,830 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1186, PETRI_PLACES=361, PETRI_TRANSITIONS=348}
[2021-12-22 13:42:12,831 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 49 predicate places.
[2021-12-22 13:42:12,831 INFO  L470      AbstractCegarLoop]: Abstraction has has 361 places, 348 transitions, 1186 flow
[2021-12-22 13:42:12,831 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,831 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:12,832 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:12,832 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-22 13:42:12,832 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:12,832 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:12,832 INFO  L85        PathProgramCache]: Analyzing trace with hash -160415361, now seen corresponding path program 1 times
[2021-12-22 13:42:12,833 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:12,833 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999403258]
[2021-12-22 13:42:12,833 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:12,833 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:12,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:12,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:12,887 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:12,887 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999403258]
[2021-12-22 13:42:12,887 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999403258] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:12,887 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:12,888 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:12,888 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168576834]
[2021-12-22 13:42:12,888 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:12,888 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:12,888 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:12,889 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:12,889 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:12,891 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:12,892 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 348 transitions, 1186 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:12,892 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:12,892 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:12,892 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:13,576 INFO  L129       PetriNetUnfolder]: 474/4001 cut-off events.
[2021-12-22 13:42:13,576 INFO  L130       PetriNetUnfolder]: For 6782/6840 co-relation queries the response was YES.
[2021-12-22 13:42:13,623 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7187 conditions, 4001 events. 474/4001 cut-off events. For 6782/6840 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 40395 event pairs, 81 based on Foata normal form. 10/3784 useless extension candidates. Maximal degree in co-relation 6741. Up to 271 conditions per place. 
[2021-12-22 13:42:13,635 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 76 selfloop transitions, 15 changer transitions 9/390 dead transitions.
[2021-12-22 13:42:13,636 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 390 transitions, 1771 flow
[2021-12-22 13:42:13,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:13,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:13,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-22 13:42:13,639 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-22 13:42:13,639 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:13,639 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:13,639 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:13,640 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:13,642 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:13,644 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:13,644 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:13,644 INFO  L186             Difference]: Start difference. First operand has 361 places, 348 transitions, 1186 flow. Second operand 5 states and 1575 transitions.
[2021-12-22 13:42:13,644 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 390 transitions, 1771 flow
[2021-12-22 13:42:13,663 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 390 transitions, 1761 flow, removed 5 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:13,667 INFO  L242             Difference]: Finished difference. Result has 368 places, 357 transitions, 1343 flow
[2021-12-22 13:42:13,668 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1178, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1343, PETRI_PLACES=368, PETRI_TRANSITIONS=357}
[2021-12-22 13:42:13,668 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 56 predicate places.
[2021-12-22 13:42:13,668 INFO  L470      AbstractCegarLoop]: Abstraction has has 368 places, 357 transitions, 1343 flow
[2021-12-22 13:42:13,669 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:13,669 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:13,669 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:13,669 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-22 13:42:13,669 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:13,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:13,670 INFO  L85        PathProgramCache]: Analyzing trace with hash 1363545151, now seen corresponding path program 2 times
[2021-12-22 13:42:13,670 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:13,670 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516148773]
[2021-12-22 13:42:13,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:13,670 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:13,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:13,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:13,714 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:13,714 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516148773]
[2021-12-22 13:42:13,715 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516148773] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:13,715 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:13,715 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:13,715 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139737059]
[2021-12-22 13:42:13,715 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:13,715 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:13,716 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:13,716 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:13,716 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:13,717 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:13,718 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 357 transitions, 1343 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:13,718 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:13,718 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:13,718 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:14,316 INFO  L129       PetriNetUnfolder]: 472/4301 cut-off events.
[2021-12-22 13:42:14,317 INFO  L130       PetriNetUnfolder]: For 8896/9257 co-relation queries the response was YES.
[2021-12-22 13:42:14,357 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7572 conditions, 4301 events. 472/4301 cut-off events. For 8896/9257 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 43381 event pairs, 156 based on Foata normal form. 20/4035 useless extension candidates. Maximal degree in co-relation 7104. Up to 354 conditions per place. 
[2021-12-22 13:42:14,369 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 71 selfloop transitions, 24 changer transitions 4/389 dead transitions.
[2021-12-22 13:42:14,369 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 389 transitions, 1805 flow
[2021-12-22 13:42:14,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:14,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:14,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-22 13:42:14,372 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-22 13:42:14,373 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:14,373 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:14,373 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:14,373 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:14,375 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,378 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,378 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,378 INFO  L186             Difference]: Start difference. First operand has 368 places, 357 transitions, 1343 flow. Second operand 5 states and 1578 transitions.
[2021-12-22 13:42:14,378 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 389 transitions, 1805 flow
[2021-12-22 13:42:14,402 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 389 transitions, 1781 flow, removed 12 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:14,406 INFO  L242             Difference]: Finished difference. Result has 376 places, 365 transitions, 1537 flow
[2021-12-22 13:42:14,406 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1329, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1537, PETRI_PLACES=376, PETRI_TRANSITIONS=365}
[2021-12-22 13:42:14,407 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 64 predicate places.
[2021-12-22 13:42:14,407 INFO  L470      AbstractCegarLoop]: Abstraction has has 376 places, 365 transitions, 1537 flow
[2021-12-22 13:42:14,407 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,407 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:14,408 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:14,408 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-22 13:42:14,408 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:14,408 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:14,408 INFO  L85        PathProgramCache]: Analyzing trace with hash -1567935337, now seen corresponding path program 1 times
[2021-12-22 13:42:14,408 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:14,409 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21587823]
[2021-12-22 13:42:14,409 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:14,409 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:14,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:14,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:14,473 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:14,473 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21587823]
[2021-12-22 13:42:14,473 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21587823] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:14,473 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:14,474 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-22 13:42:14,474 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486943571]
[2021-12-22 13:42:14,474 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:14,474 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-22 13:42:14,474 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:14,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-22 13:42:14,475 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-22 13:42:14,477 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 341
[2021-12-22 13:42:14,478 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 365 transitions, 1537 flow. Second operand  has 7 states, 7 states have (on average 310.2857142857143) internal successors, (2172), 7 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,478 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:14,479 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 341
[2021-12-22 13:42:14,479 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:14,911 INFO  L129       PetriNetUnfolder]: 413/2727 cut-off events.
[2021-12-22 13:42:14,912 INFO  L130       PetriNetUnfolder]: For 3465/3708 co-relation queries the response was YES.
[2021-12-22 13:42:14,942 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4820 conditions, 2727 events. 413/2727 cut-off events. For 3465/3708 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 25929 event pairs, 175 based on Foata normal form. 38/2556 useless extension candidates. Maximal degree in co-relation 4237. Up to 524 conditions per place. 
[2021-12-22 13:42:14,950 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 22 selfloop transitions, 5 changer transitions 18/383 dead transitions.
[2021-12-22 13:42:14,950 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 383 transitions, 1658 flow
[2021-12-22 13:42:14,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-22 13:42:14,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-22 13:42:14,954 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2809 transitions.
[2021-12-22 13:42:14,956 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9152818507657218
[2021-12-22 13:42:14,956 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2809 transitions.
[2021-12-22 13:42:14,956 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2809 transitions.
[2021-12-22 13:42:14,958 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:14,958 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2809 transitions.
[2021-12-22 13:42:14,963 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 312.1111111111111) internal successors, (2809), 9 states have internal predecessors, (2809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,969 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,970 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,970 INFO  L186             Difference]: Start difference. First operand has 376 places, 365 transitions, 1537 flow. Second operand 9 states and 2809 transitions.
[2021-12-22 13:42:14,970 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 383 transitions, 1658 flow
[2021-12-22 13:42:14,983 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 383 transitions, 1628 flow, removed 15 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:14,987 INFO  L242             Difference]: Finished difference. Result has 389 places, 360 transitions, 1427 flow
[2021-12-22 13:42:14,988 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1507, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1427, PETRI_PLACES=389, PETRI_TRANSITIONS=360}
[2021-12-22 13:42:14,988 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 77 predicate places.
[2021-12-22 13:42:14,988 INFO  L470      AbstractCegarLoop]: Abstraction has has 389 places, 360 transitions, 1427 flow
[2021-12-22 13:42:14,989 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 310.2857142857143) internal successors, (2172), 7 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:14,989 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:14,989 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:14,989 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-22 13:42:14,990 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:14,990 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:14,990 INFO  L85        PathProgramCache]: Analyzing trace with hash -521787837, now seen corresponding path program 3 times
[2021-12-22 13:42:14,990 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:14,990 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045472886]
[2021-12-22 13:42:14,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:14,991 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:15,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:15,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:15,044 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:15,044 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045472886]
[2021-12-22 13:42:15,045 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045472886] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:15,045 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:15,046 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:15,046 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388796923]
[2021-12-22 13:42:15,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:15,047 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:15,047 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:15,047 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:15,047 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:15,048 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:15,049 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 360 transitions, 1427 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,049 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:15,049 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:15,050 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:15,600 INFO  L129       PetriNetUnfolder]: 421/3575 cut-off events.
[2021-12-22 13:42:15,600 INFO  L130       PetriNetUnfolder]: For 7724/7822 co-relation queries the response was YES.
[2021-12-22 13:42:15,641 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7255 conditions, 3575 events. 421/3575 cut-off events. For 7724/7822 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 35240 event pairs, 82 based on Foata normal form. 6/3373 useless extension candidates. Maximal degree in co-relation 7161. Up to 357 conditions per place. 
[2021-12-22 13:42:15,653 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 84 selfloop transitions, 12 changer transitions 14/404 dead transitions.
[2021-12-22 13:42:15,653 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 404 transitions, 2101 flow
[2021-12-22 13:42:15,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:15,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:15,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-22 13:42:15,657 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-22 13:42:15,657 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:15,658 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:15,659 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:15,659 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-22 13:42:15,662 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,665 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,666 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,667 INFO  L186             Difference]: Start difference. First operand has 389 places, 360 transitions, 1427 flow. Second operand 5 states and 1575 transitions.
[2021-12-22 13:42:15,667 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 404 transitions, 2101 flow
[2021-12-22 13:42:15,702 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 404 transitions, 2094 flow, removed 3 selfloop flow, removed 3 redundant places.
[2021-12-22 13:42:15,705 INFO  L242             Difference]: Finished difference. Result has 391 places, 366 transitions, 1548 flow
[2021-12-22 13:42:15,706 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1398, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1548, PETRI_PLACES=391, PETRI_TRANSITIONS=366}
[2021-12-22 13:42:15,706 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 79 predicate places.
[2021-12-22 13:42:15,708 INFO  L470      AbstractCegarLoop]: Abstraction has has 391 places, 366 transitions, 1548 flow
[2021-12-22 13:42:15,708 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,708 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:15,708 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:15,709 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-22 13:42:15,709 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:15,709 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:15,709 INFO  L85        PathProgramCache]: Analyzing trace with hash -1926116063, now seen corresponding path program 4 times
[2021-12-22 13:42:15,709 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:15,709 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560049409]
[2021-12-22 13:42:15,710 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:15,710 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:15,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:15,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:15,759 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:15,759 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560049409]
[2021-12-22 13:42:15,759 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560049409] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:15,759 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:15,759 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:15,759 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600720886]
[2021-12-22 13:42:15,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:15,760 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:15,760 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:15,760 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:15,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:15,761 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:15,762 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 366 transitions, 1548 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:15,762 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:15,763 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:15,763 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:16,388 INFO  L129       PetriNetUnfolder]: 419/3715 cut-off events.
[2021-12-22 13:42:16,388 INFO  L130       PetriNetUnfolder]: For 9249/9476 co-relation queries the response was YES.
[2021-12-22 13:42:16,411 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7511 conditions, 3715 events. 419/3715 cut-off events. For 9249/9476 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 36452 event pairs, 184 based on Foata normal form. 4/3455 useless extension candidates. Maximal degree in co-relation 7248. Up to 498 conditions per place. 
[2021-12-22 13:42:16,418 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 72 selfloop transitions, 13 changer transitions 16/395 dead transitions.
[2021-12-22 13:42:16,418 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 2078 flow
[2021-12-22 13:42:16,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:16,418 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:16,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-22 13:42:16,421 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-22 13:42:16,421 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:16,421 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:16,421 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:16,422 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:16,423 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 313.4) internal successors, (1567), 5 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:16,425 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:16,426 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:16,426 INFO  L186             Difference]: Start difference. First operand has 391 places, 366 transitions, 1548 flow. Second operand 5 states and 1567 transitions.
[2021-12-22 13:42:16,426 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 2078 flow
[2021-12-22 13:42:16,452 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 395 transitions, 2056 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:16,455 INFO  L242             Difference]: Finished difference. Result has 396 places, 366 transitions, 1578 flow
[2021-12-22 13:42:16,456 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1514, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1578, PETRI_PLACES=396, PETRI_TRANSITIONS=366}
[2021-12-22 13:42:16,456 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 84 predicate places.
[2021-12-22 13:42:16,456 INFO  L470      AbstractCegarLoop]: Abstraction has has 396 places, 366 transitions, 1578 flow
[2021-12-22 13:42:16,457 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:16,457 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:16,457 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:16,457 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-22 13:42:16,457 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:16,457 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:16,458 INFO  L85        PathProgramCache]: Analyzing trace with hash 2134534103, now seen corresponding path program 1 times
[2021-12-22 13:42:16,458 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:16,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708889940]
[2021-12-22 13:42:16,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:16,458 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:16,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:16,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:16,501 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:16,501 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708889940]
[2021-12-22 13:42:16,501 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708889940] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:16,501 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:16,502 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:16,502 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523132263]
[2021-12-22 13:42:16,502 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:16,502 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:16,502 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:16,503 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:16,503 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:16,504 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:16,504 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 366 transitions, 1578 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:16,504 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:16,505 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:16,505 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:17,044 INFO  L129       PetriNetUnfolder]: 452/3643 cut-off events.
[2021-12-22 13:42:17,044 INFO  L130       PetriNetUnfolder]: For 10583/10593 co-relation queries the response was YES.
[2021-12-22 13:42:17,085 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7719 conditions, 3643 events. 452/3643 cut-off events. For 10583/10593 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 35715 event pairs, 43 based on Foata normal form. 12/3457 useless extension candidates. Maximal degree in co-relation 7326. Up to 428 conditions per place. 
[2021-12-22 13:42:17,095 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 83 selfloop transitions, 16 changer transitions 14/407 dead transitions.
[2021-12-22 13:42:17,095 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 407 transitions, 2309 flow
[2021-12-22 13:42:17,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:17,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:17,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1569 transitions.
[2021-12-22 13:42:17,098 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9202346041055719
[2021-12-22 13:42:17,098 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1569 transitions.
[2021-12-22 13:42:17,098 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1569 transitions.
[2021-12-22 13:42:17,099 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:17,099 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1569 transitions.
[2021-12-22 13:42:17,101 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,103 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,103 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,103 INFO  L186             Difference]: Start difference. First operand has 396 places, 366 transitions, 1578 flow. Second operand 5 states and 1569 transitions.
[2021-12-22 13:42:17,103 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 407 transitions, 2309 flow
[2021-12-22 13:42:17,140 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 407 transitions, 2297 flow, removed 6 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:17,144 INFO  L242             Difference]: Finished difference. Result has 404 places, 373 transitions, 1740 flow
[2021-12-22 13:42:17,145 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1740, PETRI_PLACES=404, PETRI_TRANSITIONS=373}
[2021-12-22 13:42:17,145 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 92 predicate places.
[2021-12-22 13:42:17,145 INFO  L470      AbstractCegarLoop]: Abstraction has has 404 places, 373 transitions, 1740 flow
[2021-12-22 13:42:17,146 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,146 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:17,146 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:17,146 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-22 13:42:17,146 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:17,146 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:17,147 INFO  L85        PathProgramCache]: Analyzing trace with hash -1231313157, now seen corresponding path program 2 times
[2021-12-22 13:42:17,147 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:17,147 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147798312]
[2021-12-22 13:42:17,147 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:17,147 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:17,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:17,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:17,188 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:17,188 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147798312]
[2021-12-22 13:42:17,188 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147798312] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:17,188 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:17,188 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:17,189 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354066575]
[2021-12-22 13:42:17,189 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:17,189 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:17,189 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:17,189 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:17,190 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:17,191 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:17,191 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 373 transitions, 1740 flow. Second operand  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,191 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:17,191 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:17,191 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:17,780 INFO  L129       PetriNetUnfolder]: 419/3451 cut-off events.
[2021-12-22 13:42:17,781 INFO  L130       PetriNetUnfolder]: For 11218/11287 co-relation queries the response was YES.
[2021-12-22 13:42:17,809 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7437 conditions, 3451 events. 419/3451 cut-off events. For 11218/11287 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 32813 event pairs, 45 based on Foata normal form. 15/3260 useless extension candidates. Maximal degree in co-relation 7069. Up to 386 conditions per place. 
[2021-12-22 13:42:17,818 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 89 selfloop transitions, 17 changer transitions 9/409 dead transitions.
[2021-12-22 13:42:17,818 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 409 transitions, 2345 flow
[2021-12-22 13:42:17,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:17,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:17,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1573 transitions.
[2021-12-22 13:42:17,821 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9225806451612903
[2021-12-22 13:42:17,821 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1573 transitions.
[2021-12-22 13:42:17,821 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1573 transitions.
[2021-12-22 13:42:17,822 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:17,822 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1573 transitions.
[2021-12-22 13:42:17,824 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.6) internal successors, (1573), 5 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,826 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,826 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,826 INFO  L186             Difference]: Start difference. First operand has 404 places, 373 transitions, 1740 flow. Second operand 5 states and 1573 transitions.
[2021-12-22 13:42:17,826 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 409 transitions, 2345 flow
[2021-12-22 13:42:17,856 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 409 transitions, 2290 flow, removed 23 selfloop flow, removed 2 redundant places.
[2021-12-22 13:42:17,859 INFO  L242             Difference]: Finished difference. Result has 410 places, 381 transitions, 1865 flow
[2021-12-22 13:42:17,860 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1865, PETRI_PLACES=410, PETRI_TRANSITIONS=381}
[2021-12-22 13:42:17,860 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 98 predicate places.
[2021-12-22 13:42:17,860 INFO  L470      AbstractCegarLoop]: Abstraction has has 410 places, 381 transitions, 1865 flow
[2021-12-22 13:42:17,861 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,861 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:17,861 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:17,861 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-22 13:42:17,861 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:17,861 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:17,861 INFO  L85        PathProgramCache]: Analyzing trace with hash -66234203, now seen corresponding path program 1 times
[2021-12-22 13:42:17,862 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:17,862 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426750624]
[2021-12-22 13:42:17,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:17,862 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:17,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:17,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:17,909 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:17,910 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426750624]
[2021-12-22 13:42:17,910 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426750624] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:17,910 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:17,910 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:17,910 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502835531]
[2021-12-22 13:42:17,910 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:17,911 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:17,911 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:17,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:17,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:17,912 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:17,913 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 381 transitions, 1865 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:17,913 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:17,913 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:17,913 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:18,477 INFO  L129       PetriNetUnfolder]: 417/3568 cut-off events.
[2021-12-22 13:42:18,477 INFO  L130       PetriNetUnfolder]: For 11280/11372 co-relation queries the response was YES.
[2021-12-22 13:42:18,519 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7782 conditions, 3568 events. 417/3568 cut-off events. For 11280/11372 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 34450 event pairs, 108 based on Foata normal form. 8/3356 useless extension candidates. Maximal degree in co-relation 7384. Up to 341 conditions per place. 
[2021-12-22 13:42:18,530 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 97 selfloop transitions, 18 changer transitions 5/414 dead transitions.
[2021-12-22 13:42:18,530 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 414 transitions, 2427 flow
[2021-12-22 13:42:18,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:18,531 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:18,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-22 13:42:18,533 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-22 13:42:18,533 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:18,533 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:18,534 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:18,534 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:18,536 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:18,537 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:18,537 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:18,538 INFO  L186             Difference]: Start difference. First operand has 410 places, 381 transitions, 1865 flow. Second operand 5 states and 1574 transitions.
[2021-12-22 13:42:18,538 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 414 transitions, 2427 flow
[2021-12-22 13:42:18,575 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 414 transitions, 2405 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:18,579 INFO  L242             Difference]: Finished difference. Result has 417 places, 388 transitions, 2030 flow
[2021-12-22 13:42:18,580 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2030, PETRI_PLACES=417, PETRI_TRANSITIONS=388}
[2021-12-22 13:42:18,580 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 105 predicate places.
[2021-12-22 13:42:18,580 INFO  L470      AbstractCegarLoop]: Abstraction has has 417 places, 388 transitions, 2030 flow
[2021-12-22 13:42:18,581 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:18,581 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:18,581 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:18,581 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-22 13:42:18,581 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:18,582 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:18,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 299128503, now seen corresponding path program 2 times
[2021-12-22 13:42:18,582 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:18,582 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874621477]
[2021-12-22 13:42:18,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:18,582 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:18,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:18,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:18,623 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:18,623 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874621477]
[2021-12-22 13:42:18,623 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874621477] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:18,623 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:18,623 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:18,623 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497327510]
[2021-12-22 13:42:18,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:18,624 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:18,624 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:18,624 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:18,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:18,625 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:18,626 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 388 transitions, 2030 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:18,626 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:18,626 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:18,626 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:19,280 INFO  L129       PetriNetUnfolder]: 415/3517 cut-off events.
[2021-12-22 13:42:19,281 INFO  L130       PetriNetUnfolder]: For 12247/12371 co-relation queries the response was YES.
[2021-12-22 13:42:19,325 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 3517 events. 415/3517 cut-off events. For 12247/12371 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 33888 event pairs, 102 based on Foata normal form. 4/3295 useless extension candidates. Maximal degree in co-relation 7567. Up to 380 conditions per place. 
[2021-12-22 13:42:19,335 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 100 selfloop transitions, 19 changer transitions 20/433 dead transitions.
[2021-12-22 13:42:19,336 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 433 transitions, 2894 flow
[2021-12-22 13:42:19,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:19,336 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:19,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-22 13:42:19,338 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-22 13:42:19,338 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:19,338 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:19,338 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:19,338 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-22 13:42:19,340 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:19,342 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:19,342 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:19,342 INFO  L186             Difference]: Start difference. First operand has 417 places, 388 transitions, 2030 flow. Second operand 5 states and 1574 transitions.
[2021-12-22 13:42:19,342 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 433 transitions, 2894 flow
[2021-12-22 13:42:19,387 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 433 transitions, 2872 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:19,391 INFO  L242             Difference]: Finished difference. Result has 424 places, 386 transitions, 2058 flow
[2021-12-22 13:42:19,392 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2058, PETRI_PLACES=424, PETRI_TRANSITIONS=386}
[2021-12-22 13:42:19,392 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 112 predicate places.
[2021-12-22 13:42:19,392 INFO  L470      AbstractCegarLoop]: Abstraction has has 424 places, 386 transitions, 2058 flow
[2021-12-22 13:42:19,393 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:19,393 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:19,393 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:19,393 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-12-22 13:42:19,393 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:19,394 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:19,394 INFO  L85        PathProgramCache]: Analyzing trace with hash 543254387, now seen corresponding path program 3 times
[2021-12-22 13:42:19,394 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:19,394 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517402620]
[2021-12-22 13:42:19,394 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:19,394 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:19,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:19,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:19,435 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:19,435 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517402620]
[2021-12-22 13:42:19,435 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517402620] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:19,435 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:19,435 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:19,436 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316488180]
[2021-12-22 13:42:19,436 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:19,436 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:19,436 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:19,437 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:19,437 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:19,438 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:19,438 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 386 transitions, 2058 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:19,438 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:19,439 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:19,439 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:20,020 INFO  L129       PetriNetUnfolder]: 369/3165 cut-off events.
[2021-12-22 13:42:20,021 INFO  L130       PetriNetUnfolder]: For 11385/11485 co-relation queries the response was YES.
[2021-12-22 13:42:20,065 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6964 conditions, 3165 events. 369/3165 cut-off events. For 11385/11485 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 29163 event pairs, 90 based on Foata normal form. 2/2952 useless extension candidates. Maximal degree in co-relation 6796. Up to 359 conditions per place. 
[2021-12-22 13:42:20,076 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 102 selfloop transitions, 17 changer transitions 7/420 dead transitions.
[2021-12-22 13:42:20,076 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 420 transitions, 2701 flow
[2021-12-22 13:42:20,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:20,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:20,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-22 13:42:20,078 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-22 13:42:20,078 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:20,078 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:20,078 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:20,078 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-22 13:42:20,080 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 313.4) internal successors, (1567), 5 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,082 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,082 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,082 INFO  L186             Difference]: Start difference. First operand has 424 places, 386 transitions, 2058 flow. Second operand 5 states and 1567 transitions.
[2021-12-22 13:42:20,082 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 420 transitions, 2701 flow
[2021-12-22 13:42:20,122 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 420 transitions, 2632 flow, removed 29 selfloop flow, removed 3 redundant places.
[2021-12-22 13:42:20,127 INFO  L242             Difference]: Finished difference. Result has 426 places, 391 transitions, 2128 flow
[2021-12-22 13:42:20,128 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1965, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2128, PETRI_PLACES=426, PETRI_TRANSITIONS=391}
[2021-12-22 13:42:20,128 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 114 predicate places.
[2021-12-22 13:42:20,128 INFO  L470      AbstractCegarLoop]: Abstraction has has 426 places, 391 transitions, 2128 flow
[2021-12-22 13:42:20,128 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,129 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:20,129 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:20,129 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-12-22 13:42:20,129 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:20,129 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:20,129 INFO  L85        PathProgramCache]: Analyzing trace with hash -1524011439, now seen corresponding path program 4 times
[2021-12-22 13:42:20,130 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:20,130 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523677001]
[2021-12-22 13:42:20,130 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:20,130 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:20,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:20,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:20,169 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:20,169 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523677001]
[2021-12-22 13:42:20,169 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523677001] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:20,170 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:20,170 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:20,170 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027050058]
[2021-12-22 13:42:20,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:20,170 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:20,170 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:20,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:20,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:20,172 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:20,172 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 391 transitions, 2128 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,172 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:20,172 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:20,173 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:20,705 INFO  L129       PetriNetUnfolder]: 367/3106 cut-off events.
[2021-12-22 13:42:20,705 INFO  L130       PetriNetUnfolder]: For 11010/11113 co-relation queries the response was YES.
[2021-12-22 13:42:20,733 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6811 conditions, 3106 events. 367/3106 cut-off events. For 11010/11113 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 28777 event pairs, 98 based on Foata normal form. 3/2902 useless extension candidates. Maximal degree in co-relation 6642. Up to 391 conditions per place. 
[2021-12-22 13:42:20,741 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 96 selfloop transitions, 16 changer transitions 10/416 dead transitions.
[2021-12-22 13:42:20,742 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 416 transitions, 2643 flow
[2021-12-22 13:42:20,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:20,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:20,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1564 transitions.
[2021-12-22 13:42:20,743 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9173020527859238
[2021-12-22 13:42:20,744 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1564 transitions.
[2021-12-22 13:42:20,744 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1564 transitions.
[2021-12-22 13:42:20,744 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:20,744 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1564 transitions.
[2021-12-22 13:42:20,746 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 312.8) internal successors, (1564), 5 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,749 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,749 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,750 INFO  L186             Difference]: Start difference. First operand has 426 places, 391 transitions, 2128 flow. Second operand 5 states and 1564 transitions.
[2021-12-22 13:42:20,750 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 416 transitions, 2643 flow
[2021-12-22 13:42:20,786 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 416 transitions, 2604 flow, removed 9 selfloop flow, removed 2 redundant places.
[2021-12-22 13:42:20,790 INFO  L242             Difference]: Finished difference. Result has 430 places, 392 transitions, 2164 flow
[2021-12-22 13:42:20,791 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2076, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2164, PETRI_PLACES=430, PETRI_TRANSITIONS=392}
[2021-12-22 13:42:20,792 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 118 predicate places.
[2021-12-22 13:42:20,792 INFO  L470      AbstractCegarLoop]: Abstraction has has 430 places, 392 transitions, 2164 flow
[2021-12-22 13:42:20,792 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,792 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:20,793 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:20,793 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-12-22 13:42:20,793 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:20,793 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:20,793 INFO  L85        PathProgramCache]: Analyzing trace with hash -1854010667, now seen corresponding path program 1 times
[2021-12-22 13:42:20,794 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:20,794 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657183107]
[2021-12-22 13:42:20,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:20,794 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:20,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:20,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:20,849 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:20,850 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657183107]
[2021-12-22 13:42:20,850 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657183107] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:20,850 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:20,850 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:20,850 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692062484]
[2021-12-22 13:42:20,850 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:20,851 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:20,851 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:20,851 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:20,852 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:20,853 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:20,854 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 392 transitions, 2164 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:20,854 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:20,854 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:20,854 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:21,396 INFO  L129       PetriNetUnfolder]: 399/3056 cut-off events.
[2021-12-22 13:42:21,396 INFO  L130       PetriNetUnfolder]: For 10907/10917 co-relation queries the response was YES.
[2021-12-22 13:42:21,436 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6789 conditions, 3056 events. 399/3056 cut-off events. For 10907/10917 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 28118 event pairs, 45 based on Foata normal form. 6/2865 useless extension candidates. Maximal degree in co-relation 6641. Up to 266 conditions per place. 
[2021-12-22 13:42:21,444 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 102 selfloop transitions, 26 changer transitions 18/440 dead transitions.
[2021-12-22 13:42:21,445 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 440 transitions, 3172 flow
[2021-12-22 13:42:21,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:21,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:21,446 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-22 13:42:21,446 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-22 13:42:21,446 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:21,446 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:21,447 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:21,447 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-22 13:42:21,448 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.4) internal successors, (1572), 5 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:21,450 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:21,450 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:21,450 INFO  L186             Difference]: Start difference. First operand has 430 places, 392 transitions, 2164 flow. Second operand 5 states and 1572 transitions.
[2021-12-22 13:42:21,450 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 440 transitions, 3172 flow
[2021-12-22 13:42:21,495 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 440 transitions, 3160 flow, removed 4 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:21,502 INFO  L242             Difference]: Finished difference. Result has 437 places, 392 transitions, 2293 flow
[2021-12-22 13:42:21,503 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2155, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2293, PETRI_PLACES=437, PETRI_TRANSITIONS=392}
[2021-12-22 13:42:21,503 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 125 predicate places.
[2021-12-22 13:42:21,504 INFO  L470      AbstractCegarLoop]: Abstraction has has 437 places, 392 transitions, 2293 flow
[2021-12-22 13:42:21,504 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:21,504 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:21,504 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:21,504 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-12-22 13:42:21,505 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:21,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:21,505 INFO  L85        PathProgramCache]: Analyzing trace with hash 1432073873, now seen corresponding path program 1 times
[2021-12-22 13:42:21,505 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:21,506 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568713999]
[2021-12-22 13:42:21,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:21,506 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:21,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:21,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:21,551 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:21,551 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568713999]
[2021-12-22 13:42:21,551 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568713999] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:21,551 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:21,551 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:21,551 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301605351]
[2021-12-22 13:42:21,551 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:21,552 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:21,552 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:21,552 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:21,552 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:21,553 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:21,554 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 392 transitions, 2293 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:21,554 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:21,554 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:21,554 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:22,039 INFO  L129       PetriNetUnfolder]: 339/2786 cut-off events.
[2021-12-22 13:42:22,040 INFO  L130       PetriNetUnfolder]: For 12020/12044 co-relation queries the response was YES.
[2021-12-22 13:42:22,081 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 2786 events. 339/2786 cut-off events. For 12020/12044 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 24856 event pairs, 27 based on Foata normal form. 12/2632 useless extension candidates. Maximal degree in co-relation 6209. Up to 226 conditions per place. 
[2021-12-22 13:42:22,090 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 122 selfloop transitions, 25 changer transitions 9/450 dead transitions.
[2021-12-22 13:42:22,091 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 450 transitions, 3457 flow
[2021-12-22 13:42:22,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:22,091 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:22,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-22 13:42:22,093 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-22 13:42:22,093 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:22,093 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:22,093 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:22,093 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-22 13:42:22,095 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,096 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,097 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,097 INFO  L186             Difference]: Start difference. First operand has 437 places, 392 transitions, 2293 flow. Second operand 5 states and 1578 transitions.
[2021-12-22 13:42:22,097 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 450 transitions, 3457 flow
[2021-12-22 13:42:22,146 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 450 transitions, 3379 flow, removed 25 selfloop flow, removed 3 redundant places.
[2021-12-22 13:42:22,152 INFO  L242             Difference]: Finished difference. Result has 442 places, 401 transitions, 2507 flow
[2021-12-22 13:42:22,152 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2507, PETRI_PLACES=442, PETRI_TRANSITIONS=401}
[2021-12-22 13:42:22,153 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 130 predicate places.
[2021-12-22 13:42:22,153 INFO  L470      AbstractCegarLoop]: Abstraction has has 442 places, 401 transitions, 2507 flow
[2021-12-22 13:42:22,153 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,153 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:22,153 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:22,153 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-12-22 13:42:22,154 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:22,154 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:22,154 INFO  L85        PathProgramCache]: Analyzing trace with hash 598045953, now seen corresponding path program 2 times
[2021-12-22 13:42:22,154 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:22,154 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260919825]
[2021-12-22 13:42:22,154 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:22,155 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:22,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:22,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:22,194 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:22,194 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260919825]
[2021-12-22 13:42:22,194 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260919825] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:22,194 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:22,194 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:22,194 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065375690]
[2021-12-22 13:42:22,194 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:22,195 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:22,195 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:22,196 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:22,196 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:22,197 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:22,198 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 401 transitions, 2507 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,198 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:22,198 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:22,198 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:22,688 INFO  L129       PetriNetUnfolder]: 348/2932 cut-off events.
[2021-12-22 13:42:22,689 INFO  L130       PetriNetUnfolder]: For 12709/12783 co-relation queries the response was YES.
[2021-12-22 13:42:22,726 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6466 conditions, 2932 events. 348/2932 cut-off events. For 12709/12783 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 26335 event pairs, 47 based on Foata normal form. 18/2754 useless extension candidates. Maximal degree in co-relation 6302. Up to 154 conditions per place. 
[2021-12-22 13:42:22,735 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 124 selfloop transitions, 34 changer transitions 7/459 dead transitions.
[2021-12-22 13:42:22,735 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 459 transitions, 3634 flow
[2021-12-22 13:42:22,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:22,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:22,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1579 transitions.
[2021-12-22 13:42:22,737 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9260997067448681
[2021-12-22 13:42:22,737 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1579 transitions.
[2021-12-22 13:42:22,737 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1579 transitions.
[2021-12-22 13:42:22,737 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:22,737 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1579 transitions.
[2021-12-22 13:42:22,739 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.8) internal successors, (1579), 5 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,740 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,740 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,740 INFO  L186             Difference]: Start difference. First operand has 442 places, 401 transitions, 2507 flow. Second operand 5 states and 1579 transitions.
[2021-12-22 13:42:22,740 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 459 transitions, 3634 flow
[2021-12-22 13:42:22,783 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 459 transitions, 3588 flow, removed 19 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:22,788 INFO  L242             Difference]: Finished difference. Result has 449 places, 415 transitions, 2882 flow
[2021-12-22 13:42:22,788 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2442, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2882, PETRI_PLACES=449, PETRI_TRANSITIONS=415}
[2021-12-22 13:42:22,789 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 137 predicate places.
[2021-12-22 13:42:22,789 INFO  L470      AbstractCegarLoop]: Abstraction has has 449 places, 415 transitions, 2882 flow
[2021-12-22 13:42:22,789 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,789 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:22,789 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:22,790 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-12-22 13:42:22,790 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:22,790 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:22,790 INFO  L85        PathProgramCache]: Analyzing trace with hash 875340509, now seen corresponding path program 2 times
[2021-12-22 13:42:22,790 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:22,790 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42830578]
[2021-12-22 13:42:22,790 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:22,791 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:22,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:22,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:22,828 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:22,828 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42830578]
[2021-12-22 13:42:22,829 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42830578] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:22,829 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:22,829 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-22 13:42:22,829 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803211234]
[2021-12-22 13:42:22,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:22,829 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-22 13:42:22,829 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:22,830 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-22 13:42:22,830 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-22 13:42:22,831 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-22 13:42:22,831 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 415 transitions, 2882 flow. Second operand  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:22,832 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:22,832 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-22 13:42:22,832 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:23,338 INFO  L129       PetriNetUnfolder]: 351/2788 cut-off events.
[2021-12-22 13:42:23,339 INFO  L130       PetriNetUnfolder]: For 13495/13559 co-relation queries the response was YES.
[2021-12-22 13:42:23,377 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6331 conditions, 2788 events. 351/2788 cut-off events. For 13495/13559 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 24922 event pairs, 41 based on Foata normal form. 11/2610 useless extension candidates. Maximal degree in co-relation 6160. Up to 195 conditions per place. 
[2021-12-22 13:42:23,386 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 119 selfloop transitions, 38 changer transitions 6/457 dead transitions.
[2021-12-22 13:42:23,386 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 457 transitions, 3795 flow
[2021-12-22 13:42:23,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-22 13:42:23,387 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-22 13:42:23,387 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1576 transitions.
[2021-12-22 13:42:23,388 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9243401759530792
[2021-12-22 13:42:23,388 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1576 transitions.
[2021-12-22 13:42:23,388 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1576 transitions.
[2021-12-22 13:42:23,388 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:23,389 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1576 transitions.
[2021-12-22 13:42:23,390 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 315.2) internal successors, (1576), 5 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:23,391 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:23,391 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:23,392 INFO  L186             Difference]: Start difference. First operand has 449 places, 415 transitions, 2882 flow. Second operand 5 states and 1576 transitions.
[2021-12-22 13:42:23,392 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 457 transitions, 3795 flow
[2021-12-22 13:42:23,441 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 457 transitions, 3730 flow, removed 31 selfloop flow, removed 1 redundant places.
[2021-12-22 13:42:23,446 INFO  L242             Difference]: Finished difference. Result has 456 places, 424 transitions, 3168 flow
[2021-12-22 13:42:23,447 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2758, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3168, PETRI_PLACES=456, PETRI_TRANSITIONS=424}
[2021-12-22 13:42:23,447 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 144 predicate places.
[2021-12-22 13:42:23,447 INFO  L470      AbstractCegarLoop]: Abstraction has has 456 places, 424 transitions, 3168 flow
[2021-12-22 13:42:23,448 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:23,448 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:23,448 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:23,448 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-12-22 13:42:23,448 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:23,449 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:23,449 INFO  L85        PathProgramCache]: Analyzing trace with hash -663131617, now seen corresponding path program 1 times
[2021-12-22 13:42:23,449 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:23,449 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042109333]
[2021-12-22 13:42:23,449 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:23,449 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:23,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:23,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:23,511 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:23,511 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042109333]
[2021-12-22 13:42:23,511 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042109333] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:23,511 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:23,511 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-22 13:42:23,511 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477695797]
[2021-12-22 13:42:23,511 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:23,512 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-22 13:42:23,512 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:23,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-22 13:42:23,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-12-22 13:42:23,513 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 305 out of 341
[2021-12-22 13:42:23,515 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 424 transitions, 3168 flow. Second operand  has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:23,515 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:23,515 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 341
[2021-12-22 13:42:23,515 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:24,136 INFO  L129       PetriNetUnfolder]: 272/2780 cut-off events.
[2021-12-22 13:42:24,136 INFO  L130       PetriNetUnfolder]: For 9471/9783 co-relation queries the response was YES.
[2021-12-22 13:42:24,165 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5688 conditions, 2780 events. 272/2780 cut-off events. For 9471/9783 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 26019 event pairs, 68 based on Foata normal form. 73/2689 useless extension candidates. Maximal degree in co-relation 5507. Up to 319 conditions per place. 
[2021-12-22 13:42:24,171 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 35 selfloop transitions, 7 changer transitions 10/450 dead transitions.
[2021-12-22 13:42:24,171 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 450 transitions, 3333 flow
[2021-12-22 13:42:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-22 13:42:24,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-22 13:42:24,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3402 transitions.
[2021-12-22 13:42:24,174 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9069581444948014
[2021-12-22 13:42:24,174 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3402 transitions.
[2021-12-22 13:42:24,174 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3402 transitions.
[2021-12-22 13:42:24,174 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:24,174 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3402 transitions.
[2021-12-22 13:42:24,177 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 309.27272727272725) internal successors, (3402), 11 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:24,180 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:24,180 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:24,180 INFO  L186             Difference]: Start difference. First operand has 456 places, 424 transitions, 3168 flow. Second operand 11 states and 3402 transitions.
[2021-12-22 13:42:24,180 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 450 transitions, 3333 flow
[2021-12-22 13:42:24,217 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 450 transitions, 3289 flow, removed 22 selfloop flow, removed 0 redundant places.
[2021-12-22 13:42:24,222 INFO  L242             Difference]: Finished difference. Result has 475 places, 424 transitions, 3060 flow
[2021-12-22 13:42:24,223 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=3124, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3060, PETRI_PLACES=475, PETRI_TRANSITIONS=424}
[2021-12-22 13:42:24,223 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 163 predicate places.
[2021-12-22 13:42:24,223 INFO  L470      AbstractCegarLoop]: Abstraction has has 475 places, 424 transitions, 3060 flow
[2021-12-22 13:42:24,224 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:24,224 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:24,224 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:24,224 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-12-22 13:42:24,224 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:24,224 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:24,225 INFO  L85        PathProgramCache]: Analyzing trace with hash 1873514764, now seen corresponding path program 1 times
[2021-12-22 13:42:24,225 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:24,225 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560821465]
[2021-12-22 13:42:24,225 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:24,225 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:24,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:24,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:24,301 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:24,301 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560821465]
[2021-12-22 13:42:24,301 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560821465] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:24,301 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:24,301 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-12-22 13:42:24,301 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729242260]
[2021-12-22 13:42:24,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:24,301 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-12-22 13:42:24,302 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:24,302 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-12-22 13:42:24,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2021-12-22 13:42:24,303 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 301 out of 341
[2021-12-22 13:42:24,305 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 424 transitions, 3060 flow. Second operand  has 9 states, 9 states have (on average 303.44444444444446) internal successors, (2731), 9 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:24,305 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:24,305 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 341
[2021-12-22 13:42:24,305 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-22 13:42:26,380 INFO  L129       PetriNetUnfolder]: 2145/8999 cut-off events.
[2021-12-22 13:42:26,381 INFO  L130       PetriNetUnfolder]: For 14558/15346 co-relation queries the response was YES.
[2021-12-22 13:42:26,468 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 19089 conditions, 8999 events. 2145/8999 cut-off events. For 14558/15346 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 100791 event pairs, 1032 based on Foata normal form. 233/8495 useless extension candidates. Maximal degree in co-relation 18997. Up to 2070 conditions per place. 
[2021-12-22 13:42:26,486 INFO  L132   encePairwiseOnDemand]: 328/341 looper letters, 78 selfloop transitions, 12 changer transitions 4/489 dead transitions.
[2021-12-22 13:42:26,486 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 489 transitions, 3510 flow
[2021-12-22 13:42:26,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-12-22 13:42:26,486 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-12-22 13:42:26,488 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4291 transitions.
[2021-12-22 13:42:26,489 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8988269794721407
[2021-12-22 13:42:26,489 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 4291 transitions.
[2021-12-22 13:42:26,489 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 4291 transitions.
[2021-12-22 13:42:26,490 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-22 13:42:26,490 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4291 transitions.
[2021-12-22 13:42:26,493 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 15 states, 14 states have (on average 306.5) internal successors, (4291), 14 states have internal predecessors, (4291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:26,496 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 15 states, 15 states have (on average 341.0) internal successors, (5115), 15 states have internal predecessors, (5115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:26,497 INFO  L81            ComplementDD]: Finished complementDD. Result  has 15 states, 15 states have (on average 341.0) internal successors, (5115), 15 states have internal predecessors, (5115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:26,497 INFO  L186             Difference]: Start difference. First operand has 475 places, 424 transitions, 3060 flow. Second operand 14 states and 4291 transitions.
[2021-12-22 13:42:26,497 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 489 transitions, 3510 flow
[2021-12-22 13:42:26,564 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 489 transitions, 3494 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-12-22 13:42:26,569 INFO  L242             Difference]: Finished difference. Result has 491 places, 430 transitions, 3118 flow
[2021-12-22 13:42:26,569 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=3046, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3118, PETRI_PLACES=491, PETRI_TRANSITIONS=430}
[2021-12-22 13:42:26,570 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 179 predicate places.
[2021-12-22 13:42:26,570 INFO  L470      AbstractCegarLoop]: Abstraction has has 491 places, 430 transitions, 3118 flow
[2021-12-22 13:42:26,570 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 303.44444444444446) internal successors, (2731), 9 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:26,571 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-22 13:42:26,571 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-22 13:42:26,571 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-12-22 13:42:26,571 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-22 13:42:26,571 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-22 13:42:26,571 INFO  L85        PathProgramCache]: Analyzing trace with hash -930111915, now seen corresponding path program 1 times
[2021-12-22 13:42:26,572 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-22 13:42:26,572 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938462923]
[2021-12-22 13:42:26,572 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-22 13:42:26,572 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-22 13:42:26,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-22 13:42:27,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-22 13:42:27,215 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-22 13:42:27,215 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938462923]
[2021-12-22 13:42:27,215 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938462923] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-22 13:42:27,215 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-22 13:42:27,215 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40
[2021-12-22 13:42:27,215 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565537386]
[2021-12-22 13:42:27,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-22 13:42:27,215 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-12-22 13:42:27,215 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-22 13:42:27,216 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-12-22 13:42:27,216 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560
[2021-12-22 13:42:27,221 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 225 out of 341
[2021-12-22 13:42:27,224 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 430 transitions, 3118 flow. Second operand  has 40 states, 40 states have (on average 227.375) internal successors, (9095), 40 states have internal predecessors, (9095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-22 13:42:27,224 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-22 13:42:27,224 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 341
[2021-12-22 13:42:27,225 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand