./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 c3fed411
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-tmp.no-commuhash-c3fed41
[2021-12-17 22:44:45,901 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-17 22:44:45,903 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-17 22:44:45,926 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-17 22:44:45,928 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-17 22:44:45,930 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-17 22:44:45,931 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-17 22:44:45,933 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-17 22:44:45,934 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-17 22:44:45,936 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-17 22:44:45,937 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-17 22:44:45,938 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-17 22:44:45,938 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-17 22:44:45,941 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-17 22:44:45,943 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-17 22:44:45,944 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-17 22:44:45,945 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-17 22:44:45,946 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-17 22:44:45,947 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-17 22:44:45,950 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-17 22:44:45,952 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-17 22:44:45,953 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-17 22:44:45,953 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-17 22:44:45,954 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-17 22:44:45,956 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-17 22:44:45,959 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-17 22:44:45,959 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-17 22:44:45,959 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-17 22:44:45,960 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-17 22:44:45,961 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-17 22:44:45,961 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-17 22:44:45,961 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-17 22:44:45,962 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-17 22:44:45,963 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-17 22:44:45,964 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-17 22:44:45,964 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-17 22:44:45,965 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-17 22:44:45,966 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-17 22:44:45,966 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-17 22:44:45,966 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-17 22:44:45,967 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-17 22:44:45,968 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-17 22:44:45,985 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-17 22:44:45,985 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-17 22:44:45,986 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-17 22:44:45,986 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-17 22:44:45,986 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-17 22:44:45,987 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-17 22:44:45,987 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-17 22:44:45,987 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-17 22:44:45,987 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-17 22:44:45,987 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-17 22:44:45,988 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-17 22:44:45,988 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-17 22:44:45,988 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-17 22:44:45,988 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-17 22:44:45,989 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-17 22:44:45,990 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-17 22:44:45,990 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-17 22:44:45,990 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-17 22:44:45,990 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-17 22:44:45,990 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-17 22:44:45,990 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-17 22:44:45,991 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-17 22:44:45,991 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-17 22:44:45,991 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-17 22:44:45,992 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-17 22:44:45,992 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-17 22:44:45,992 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-17 22:44:45,992 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-17 22:44:45,992 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
[2021-12-17 22:44:46,205 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-17 22:44:46,225 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-17 22:44:46,227 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-17 22:44:46,228 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-17 22:44:46,229 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-17 22:44:46,230 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-17 22:44:46,288 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9304107e/c0a36debe8254554afc2ac1e0bfe44f2/FLAG430cadd49
[2021-12-17 22:44:46,624 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-17 22:44:46,625 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-17 22:44:46,638 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9304107e/c0a36debe8254554afc2ac1e0bfe44f2/FLAG430cadd49
[2021-12-17 22:44:47,029 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9304107e/c0a36debe8254554afc2ac1e0bfe44f2
[2021-12-17 22:44:47,030 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-17 22:44:47,031 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-17 22:44:47,038 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-17 22:44:47,038 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-17 22:44:47,041 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-17 22:44:47,042 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,043 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0fea45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47, skipping insertion in model container
[2021-12-17 22:44:47,046 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,054 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-17 22:44:47,069 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-17 22:44:47,173 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]
[2021-12-17 22:44:47,176 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-17 22:44:47,181 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-17 22:44:47,225 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]
[2021-12-17 22:44:47,226 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-17 22:44:47,246 INFO  L208         MainTranslator]: Completed translation
[2021-12-17 22:44:47,247 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47 WrapperNode
[2021-12-17 22:44:47,247 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-17 22:44:47,248 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-17 22:44:47,248 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-17 22:44:47,248 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-17 22:44:47,252 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,264 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,292 INFO  L137                Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 250
[2021-12-17 22:44:47,292 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-17 22:44:47,293 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-17 22:44:47,293 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-17 22:44:47,293 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-17 22:44:47,298 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,298 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,310 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,311 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,324 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,326 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,328 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,333 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-17 22:44:47,333 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-17 22:44:47,336 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-17 22:44:47,336 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-17 22:44:47,336 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (1/1) ...
[2021-12-17 22:44:47,341 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-17 22:44:47,351 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-17 22:44:47,360 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)
[2021-12-17 22:44:47,395 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
[2021-12-17 22:44:47,411 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-17 22:44:47,411 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-17 22:44:47,411 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-17 22:44:47,412 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-17 22:44:47,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-17 22:44:47,412 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-12-17 22:44:47,412 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-12-17 22:44:47,412 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-17 22:44:47,412 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-17 22:44:47,413 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-17 22:44:47,413 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-17 22:44:47,413 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-17 22:44:47,413 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-17 22:44:47,413 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-17 22:44:47,414 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-17 22:44:47,521 INFO  L236             CfgBuilder]: Building ICFG
[2021-12-17 22:44:47,522 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-17 22:44:47,800 INFO  L277             CfgBuilder]: Performing block encoding
[2021-12-17 22:44:47,812 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-17 22:44:47,812 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-12-17 22:44:47,816 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:44:47 BoogieIcfgContainer
[2021-12-17 22:44:47,816 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-17 22:44:47,817 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-17 22:44:47,817 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-17 22:44:47,824 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-17 22:44:47,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:44:47" (1/3) ...
[2021-12-17 22:44:47,825 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0ba19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:44:47, skipping insertion in model container
[2021-12-17 22:44:47,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:47" (2/3) ...
[2021-12-17 22:44:47,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0ba19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:44:47, skipping insertion in model container
[2021-12-17 22:44:47,826 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:44:47" (3/3) ...
[2021-12-17 22:44:47,826 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c
[2021-12-17 22:44:47,829 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-17 22:44:47,831 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-17 22:44:47,831 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-17 22:44:47,831 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,890 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,891 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,892 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,893 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,894 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,895 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,896 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,897 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,898 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,899 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,899 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,899 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,900 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,901 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,902 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,903 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,904 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,905 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,906 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,907 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,908 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,909 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,910 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,911 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,912 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,913 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,913 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,913 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,914 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,915 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,916 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,917 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,917 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,917 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,917 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,917 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,919 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,919 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,919 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,919 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,919 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,920 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,921 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,922 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,923 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,924 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,925 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,926 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,927 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,947 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,948 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,949 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,950 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,951 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,952 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,953 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,954 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,955 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,956 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,957 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,958 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,959 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,960 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,961 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,962 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,963 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,964 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,965 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,966 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,967 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,968 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,969 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,970 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,971 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,972 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,973 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,974 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,975 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,976 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,977 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,978 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,979 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,980 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,981 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,982 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,983 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,984 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,985 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,986 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,987 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,988 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,988 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,990 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,990 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,990 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,990 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,991 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,992 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,994 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,995 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,996 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,997 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,997 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,997 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,997 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,997 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,998 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,999 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,999 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,999 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,999 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:47,999 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:48,001 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-12-17 22:44:48,028 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-17 22:44:48,032 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
[2021-12-17 22:44:48,032 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-12-17 22:44:48,042 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 326 places, 341 transitions, 706 flow
[2021-12-17 22:44:48,139 INFO  L129       PetriNetUnfolder]: 25/338 cut-off events.
[2021-12-17 22:44:48,140 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-17 22:44:48,145 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. 
[2021-12-17 22:44:48,145 INFO  L82        GeneralOperation]: Start removeDead. Operand has 326 places, 341 transitions, 706 flow
[2021-12-17 22:44:48,150 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 312 places, 327 transitions, 672 flow
[2021-12-17 22:44:48,223 INFO  L129       PetriNetUnfolder]: 25/326 cut-off events.
[2021-12-17 22:44:48,223 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-17 22:44:48,223 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:48,224 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]
[2021-12-17 22:44:48,224 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:48,229 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:48,229 INFO  L85        PathProgramCache]: Analyzing trace with hash -1820755081, now seen corresponding path program 1 times
[2021-12-17 22:44:48,235 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:48,235 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518119219]
[2021-12-17 22:44:48,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:48,236 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:48,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:48,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:48,700 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:48,701 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518119219]
[2021-12-17 22:44:48,701 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518119219] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:48,702 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:48,702 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-17 22:44:48,703 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595473626]
[2021-12-17 22:44:48,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:48,711 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-17 22:44:48,711 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:48,732 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-17 22:44:48,733 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-12-17 22:44:48,739 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 341
[2021-12-17 22:44:48,744 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)
[2021-12-17 22:44:48,745 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:48,745 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 341
[2021-12-17 22:44:48,745 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:48,995 INFO  L129       PetriNetUnfolder]: 87/826 cut-off events.
[2021-12-17 22:44:48,995 INFO  L130       PetriNetUnfolder]: For 64/64 co-relation queries the response was YES.
[2021-12-17 22:44:49,002 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. 
[2021-12-17 22:44:49,008 INFO  L132   encePairwiseOnDemand]: 319/341 looper letters, 30 selfloop transitions, 5 changer transitions 6/335 dead transitions.
[2021-12-17 22:44:49,008 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 335 transitions, 797 flow
[2021-12-17 22:44:49,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-17 22:44:49,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-17 22:44:49,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2843 transitions.
[2021-12-17 22:44:49,026 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9263603779732812
[2021-12-17 22:44:49,026 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2843 transitions.
[2021-12-17 22:44:49,027 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2843 transitions.
[2021-12-17 22:44:49,031 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:49,032 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2843 transitions.
[2021-12-17 22:44:49,041 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)
[2021-12-17 22:44:49,066 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)
[2021-12-17 22:44:49,068 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)
[2021-12-17 22:44:49,069 INFO  L186             Difference]: Start difference. First operand has 312 places, 327 transitions, 672 flow. Second operand 9 states and 2843 transitions.
[2021-12-17 22:44:49,069 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 335 transitions, 797 flow
[2021-12-17 22:44:49,074 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 335 transitions, 767 flow, removed 0 selfloop flow, removed 6 redundant places.
[2021-12-17 22:44:49,081 INFO  L242             Difference]: Finished difference. Result has 319 places, 315 transitions, 661 flow
[2021-12-17 22:44:49,082 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}
[2021-12-17 22:44:49,086 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 7 predicate places.
[2021-12-17 22:44:49,086 INFO  L470      AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 661 flow
[2021-12-17 22:44:49,087 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)
[2021-12-17 22:44:49,087 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:49,088 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]
[2021-12-17 22:44:49,088 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-17 22:44:49,088 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:49,089 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:49,089 INFO  L85        PathProgramCache]: Analyzing trace with hash -566622069, now seen corresponding path program 1 times
[2021-12-17 22:44:49,089 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:49,089 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814423856]
[2021-12-17 22:44:49,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:49,090 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:49,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:49,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:49,284 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:49,284 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814423856]
[2021-12-17 22:44:49,285 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814423856] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:49,285 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:49,285 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-17 22:44:49,285 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423512819]
[2021-12-17 22:44:49,285 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:49,286 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-17 22:44:49,286 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:49,287 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-17 22:44:49,287 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-17 22:44:49,289 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 311 out of 341
[2021-12-17 22:44:49,291 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)
[2021-12-17 22:44:49,291 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:49,291 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 341
[2021-12-17 22:44:49,291 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:49,420 INFO  L129       PetriNetUnfolder]: 32/499 cut-off events.
[2021-12-17 22:44:49,421 INFO  L130       PetriNetUnfolder]: For 25/34 co-relation queries the response was YES.
[2021-12-17 22:44:49,427 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. 
[2021-12-17 22:44:49,453 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 3 changer transitions 4/328 dead transitions.
[2021-12-17 22:44:49,453 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 328 transitions, 755 flow
[2021-12-17 22:44:49,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-17 22:44:49,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-17 22:44:49,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2206 transitions.
[2021-12-17 22:44:49,458 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9241726015919565
[2021-12-17 22:44:49,458 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2206 transitions.
[2021-12-17 22:44:49,458 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2206 transitions.
[2021-12-17 22:44:49,458 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:49,459 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2206 transitions.
[2021-12-17 22:44:49,462 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)
[2021-12-17 22:44:49,465 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)
[2021-12-17 22:44:49,466 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)
[2021-12-17 22:44:49,466 INFO  L186             Difference]: Start difference. First operand has 319 places, 315 transitions, 661 flow. Second operand 7 states and 2206 transitions.
[2021-12-17 22:44:49,467 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 328 transitions, 755 flow
[2021-12-17 22:44:49,469 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 328 transitions, 744 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-17 22:44:49,473 INFO  L242             Difference]: Finished difference. Result has 322 places, 317 transitions, 677 flow
[2021-12-17 22:44:49,474 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}
[2021-12-17 22:44:49,474 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-17 22:44:49,475 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 317 transitions, 677 flow
[2021-12-17 22:44:49,476 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)
[2021-12-17 22:44:49,478 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:49,478 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]
[2021-12-17 22:44:49,478 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-17 22:44:49,479 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:49,479 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:49,480 INFO  L85        PathProgramCache]: Analyzing trace with hash 1572473933, now seen corresponding path program 1 times
[2021-12-17 22:44:49,480 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:49,480 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047318159]
[2021-12-17 22:44:49,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:49,480 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:49,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:49,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:49,616 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:49,616 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047318159]
[2021-12-17 22:44:49,616 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047318159] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:49,616 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:49,616 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:49,616 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819590010]
[2021-12-17 22:44:49,617 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:49,617 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:49,617 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:49,618 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:49,618 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:49,619 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:49,620 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)
[2021-12-17 22:44:49,621 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:49,621 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:49,621 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:50,091 INFO  L129       PetriNetUnfolder]: 503/3092 cut-off events.
[2021-12-17 22:44:50,092 INFO  L130       PetriNetUnfolder]: For 107/107 co-relation queries the response was YES.
[2021-12-17 22:44:50,145 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. 
[2021-12-17 22:44:50,152 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 2 changer transitions 3/335 dead transitions.
[2021-12-17 22:44:50,152 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 805 flow
[2021-12-17 22:44:50,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:50,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:50,154 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-17 22:44:50,155 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-17 22:44:50,155 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:50,155 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:50,155 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:50,155 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:50,157 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)
[2021-12-17 22:44:50,159 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)
[2021-12-17 22:44:50,159 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)
[2021-12-17 22:44:50,160 INFO  L186             Difference]: Start difference. First operand has 322 places, 317 transitions, 677 flow. Second operand 4 states and 1256 transitions.
[2021-12-17 22:44:50,160 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 805 flow
[2021-12-17 22:44:50,163 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 335 transitions, 800 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-17 22:44:50,166 INFO  L242             Difference]: Finished difference. Result has 322 places, 315 transitions, 671 flow
[2021-12-17 22:44:50,166 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}
[2021-12-17 22:44:50,168 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-17 22:44:50,168 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 671 flow
[2021-12-17 22:44:50,168 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)
[2021-12-17 22:44:50,169 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:50,169 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]
[2021-12-17 22:44:50,169 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-17 22:44:50,169 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:50,170 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:50,170 INFO  L85        PathProgramCache]: Analyzing trace with hash -2140776571, now seen corresponding path program 2 times
[2021-12-17 22:44:50,170 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:50,170 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343589928]
[2021-12-17 22:44:50,170 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:50,170 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:50,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:50,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:50,235 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:50,235 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343589928]
[2021-12-17 22:44:50,235 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343589928] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:50,235 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:50,235 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:50,236 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319326028]
[2021-12-17 22:44:50,236 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:50,236 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:50,236 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:50,237 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:50,239 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:50,240 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:50,242 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)
[2021-12-17 22:44:50,242 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:50,242 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:50,242 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:50,656 INFO  L129       PetriNetUnfolder]: 436/2996 cut-off events.
[2021-12-17 22:44:50,656 INFO  L130       PetriNetUnfolder]: For 259/262 co-relation queries the response was YES.
[2021-12-17 22:44:50,673 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. 
[2021-12-17 22:44:50,680 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 38 selfloop transitions, 3 changer transitions 1/332 dead transitions.
[2021-12-17 22:44:50,681 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 332 transitions, 804 flow
[2021-12-17 22:44:50,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:50,681 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:50,683 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-17 22:44:50,683 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-17 22:44:50,683 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:50,683 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:50,684 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:50,684 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:50,686 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)
[2021-12-17 22:44:50,688 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)
[2021-12-17 22:44:50,688 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)
[2021-12-17 22:44:50,688 INFO  L186             Difference]: Start difference. First operand has 322 places, 315 transitions, 671 flow. Second operand 4 states and 1254 transitions.
[2021-12-17 22:44:50,688 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 332 transitions, 804 flow
[2021-12-17 22:44:50,693 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 332 transitions, 796 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-17 22:44:50,695 INFO  L242             Difference]: Finished difference. Result has 320 places, 317 transitions, 693 flow
[2021-12-17 22:44:50,696 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}
[2021-12-17 22:44:50,697 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 8 predicate places.
[2021-12-17 22:44:50,697 INFO  L470      AbstractCegarLoop]: Abstraction has has 320 places, 317 transitions, 693 flow
[2021-12-17 22:44:50,697 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)
[2021-12-17 22:44:50,697 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:50,698 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]
[2021-12-17 22:44:50,698 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-17 22:44:50,698 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:50,698 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:50,699 INFO  L85        PathProgramCache]: Analyzing trace with hash -237683451, now seen corresponding path program 3 times
[2021-12-17 22:44:50,699 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:50,699 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809230663]
[2021-12-17 22:44:50,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:50,700 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:50,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:50,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:50,790 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:50,791 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809230663]
[2021-12-17 22:44:50,791 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809230663] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:50,791 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:50,791 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:50,791 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710655496]
[2021-12-17 22:44:50,791 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:50,792 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:50,792 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:50,793 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:50,793 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:50,794 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:50,795 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)
[2021-12-17 22:44:50,795 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:50,795 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:50,795 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:51,224 INFO  L129       PetriNetUnfolder]: 467/3337 cut-off events.
[2021-12-17 22:44:51,224 INFO  L130       PetriNetUnfolder]: For 631/712 co-relation queries the response was YES.
[2021-12-17 22:44:51,239 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. 
[2021-12-17 22:44:51,248 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 41 selfloop transitions, 5 changer transitions 0/336 dead transitions.
[2021-12-17 22:44:51,248 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 336 transitions, 845 flow
[2021-12-17 22:44:51,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:51,248 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:51,250 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1257 transitions.
[2021-12-17 22:44:51,250 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9215542521994134
[2021-12-17 22:44:51,250 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1257 transitions.
[2021-12-17 22:44:51,250 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1257 transitions.
[2021-12-17 22:44:51,251 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:51,251 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1257 transitions.
[2021-12-17 22:44:51,252 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)
[2021-12-17 22:44:51,254 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)
[2021-12-17 22:44:51,254 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)
[2021-12-17 22:44:51,254 INFO  L186             Difference]: Start difference. First operand has 320 places, 317 transitions, 693 flow. Second operand 4 states and 1257 transitions.
[2021-12-17 22:44:51,254 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 336 transitions, 845 flow
[2021-12-17 22:44:51,258 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 336 transitions, 843 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:51,260 INFO  L242             Difference]: Finished difference. Result has 324 places, 318 transitions, 720 flow
[2021-12-17 22:44:51,262 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}
[2021-12-17 22:44:51,263 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 12 predicate places.
[2021-12-17 22:44:51,264 INFO  L470      AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 720 flow
[2021-12-17 22:44:51,264 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)
[2021-12-17 22:44:51,264 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:51,264 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]
[2021-12-17 22:44:51,264 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-17 22:44:51,264 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:51,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:51,265 INFO  L85        PathProgramCache]: Analyzing trace with hash 632786909, now seen corresponding path program 4 times
[2021-12-17 22:44:51,265 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:51,265 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313353288]
[2021-12-17 22:44:51,265 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:51,265 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:51,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:51,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:51,316 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:51,316 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313353288]
[2021-12-17 22:44:51,317 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313353288] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:51,317 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:51,317 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:51,317 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511255653]
[2021-12-17 22:44:51,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:51,317 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:51,317 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:51,318 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:51,318 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:51,319 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:51,320 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)
[2021-12-17 22:44:51,320 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:51,320 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:51,320 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:51,835 INFO  L129       PetriNetUnfolder]: 464/3338 cut-off events.
[2021-12-17 22:44:51,839 INFO  L130       PetriNetUnfolder]: For 1011/1095 co-relation queries the response was YES.
[2021-12-17 22:44:51,854 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. 
[2021-12-17 22:44:51,859 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 39 selfloop transitions, 5 changer transitions 1/335 dead transitions.
[2021-12-17 22:44:51,859 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 335 transitions, 864 flow
[2021-12-17 22:44:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:51,860 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:51,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-17 22:44:51,861 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-17 22:44:51,862 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:51,862 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:51,862 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:51,862 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-17 22:44:51,864 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)
[2021-12-17 22:44:51,865 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)
[2021-12-17 22:44:51,866 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)
[2021-12-17 22:44:51,866 INFO  L186             Difference]: Start difference. First operand has 324 places, 318 transitions, 720 flow. Second operand 4 states and 1256 transitions.
[2021-12-17 22:44:51,866 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 335 transitions, 864 flow
[2021-12-17 22:44:51,869 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 335 transitions, 860 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:51,872 INFO  L242             Difference]: Finished difference. Result has 328 places, 319 transitions, 746 flow
[2021-12-17 22:44:51,873 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}
[2021-12-17 22:44:51,873 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 16 predicate places.
[2021-12-17 22:44:51,873 INFO  L470      AbstractCegarLoop]: Abstraction has has 328 places, 319 transitions, 746 flow
[2021-12-17 22:44:51,874 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)
[2021-12-17 22:44:51,874 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:51,874 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]
[2021-12-17 22:44:51,874 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-17 22:44:51,874 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:51,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:51,875 INFO  L85        PathProgramCache]: Analyzing trace with hash 42985117, now seen corresponding path program 5 times
[2021-12-17 22:44:51,875 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:51,875 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446944550]
[2021-12-17 22:44:51,875 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:51,875 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:51,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:51,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:51,919 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:51,919 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446944550]
[2021-12-17 22:44:51,919 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446944550] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:51,919 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:51,919 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:51,919 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244382842]
[2021-12-17 22:44:51,919 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:51,920 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:51,920 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:51,920 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:51,920 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:51,921 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:51,922 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)
[2021-12-17 22:44:51,922 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:51,922 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:51,923 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:52,339 INFO  L129       PetriNetUnfolder]: 486/3495 cut-off events.
[2021-12-17 22:44:52,339 INFO  L130       PetriNetUnfolder]: For 1637/1815 co-relation queries the response was YES.
[2021-12-17 22:44:52,358 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. 
[2021-12-17 22:44:52,364 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 3 changer transitions 1/334 dead transitions.
[2021-12-17 22:44:52,365 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 334 transitions, 880 flow
[2021-12-17 22:44:52,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:52,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:52,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-17 22:44:52,367 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-17 22:44:52,367 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:52,367 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:52,368 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:52,368 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-17 22:44:52,370 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)
[2021-12-17 22:44:52,371 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)
[2021-12-17 22:44:52,372 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)
[2021-12-17 22:44:52,372 INFO  L186             Difference]: Start difference. First operand has 328 places, 319 transitions, 746 flow. Second operand 4 states and 1254 transitions.
[2021-12-17 22:44:52,372 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 334 transitions, 880 flow
[2021-12-17 22:44:52,376 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:52,378 INFO  L242             Difference]: Finished difference. Result has 332 places, 320 transitions, 766 flow
[2021-12-17 22:44:52,379 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}
[2021-12-17 22:44:52,379 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 20 predicate places.
[2021-12-17 22:44:52,379 INFO  L470      AbstractCegarLoop]: Abstraction has has 332 places, 320 transitions, 766 flow
[2021-12-17 22:44:52,380 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)
[2021-12-17 22:44:52,380 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:52,380 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]
[2021-12-17 22:44:52,380 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-17 22:44:52,380 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:52,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:52,381 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261496579, now seen corresponding path program 6 times
[2021-12-17 22:44:52,381 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:52,381 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686724576]
[2021-12-17 22:44:52,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:52,381 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:52,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:52,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:52,425 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:52,425 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686724576]
[2021-12-17 22:44:52,426 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686724576] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:52,426 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:52,426 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:52,426 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813451984]
[2021-12-17 22:44:52,426 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:52,426 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:52,427 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:52,427 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:52,427 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:52,428 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:52,439 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)
[2021-12-17 22:44:52,439 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:52,439 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:52,439 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:52,829 INFO  L129       PetriNetUnfolder]: 485/3470 cut-off events.
[2021-12-17 22:44:52,830 INFO  L130       PetriNetUnfolder]: For 2348/2664 co-relation queries the response was YES.
[2021-12-17 22:44:52,850 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. 
[2021-12-17 22:44:52,856 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 4 changer transitions 1/335 dead transitions.
[2021-12-17 22:44:52,856 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 896 flow
[2021-12-17 22:44:52,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:52,857 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:52,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1255 transitions.
[2021-12-17 22:44:52,859 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9200879765395894
[2021-12-17 22:44:52,859 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1255 transitions.
[2021-12-17 22:44:52,859 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1255 transitions.
[2021-12-17 22:44:52,859 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:52,859 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1255 transitions.
[2021-12-17 22:44:52,861 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)
[2021-12-17 22:44:52,863 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)
[2021-12-17 22:44:52,863 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)
[2021-12-17 22:44:52,863 INFO  L186             Difference]: Start difference. First operand has 332 places, 320 transitions, 766 flow. Second operand 4 states and 1255 transitions.
[2021-12-17 22:44:52,863 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 896 flow
[2021-12-17 22:44:52,867 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 335 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:52,870 INFO  L242             Difference]: Finished difference. Result has 336 places, 320 transitions, 777 flow
[2021-12-17 22:44:52,870 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}
[2021-12-17 22:44:52,870 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 24 predicate places.
[2021-12-17 22:44:52,871 INFO  L470      AbstractCegarLoop]: Abstraction has has 336 places, 320 transitions, 777 flow
[2021-12-17 22:44:52,871 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)
[2021-12-17 22:44:52,871 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:52,871 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]
[2021-12-17 22:44:52,871 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-12-17 22:44:52,872 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:52,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:52,872 INFO  L85        PathProgramCache]: Analyzing trace with hash 1753842987, now seen corresponding path program 1 times
[2021-12-17 22:44:52,872 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:52,872 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47540258]
[2021-12-17 22:44:52,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:52,873 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:52,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:52,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:52,933 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:52,933 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47540258]
[2021-12-17 22:44:52,933 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47540258] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:52,933 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:52,933 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:52,934 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272332324]
[2021-12-17 22:44:52,934 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:52,934 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:52,934 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:52,934 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:52,934 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:52,935 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:52,936 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)
[2021-12-17 22:44:52,936 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:52,936 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:52,936 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:53,367 INFO  L129       PetriNetUnfolder]: 419/3319 cut-off events.
[2021-12-17 22:44:53,367 INFO  L130       PetriNetUnfolder]: For 2398/2416 co-relation queries the response was YES.
[2021-12-17 22:44:53,391 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. 
[2021-12-17 22:44:53,399 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 52 selfloop transitions, 8 changer transitions 3/353 dead transitions.
[2021-12-17 22:44:53,400 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 353 transitions, 1102 flow
[2021-12-17 22:44:53,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:53,400 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:53,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1571 transitions.
[2021-12-17 22:44:53,403 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214076246334311
[2021-12-17 22:44:53,403 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1571 transitions.
[2021-12-17 22:44:53,403 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1571 transitions.
[2021-12-17 22:44:53,404 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:53,404 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1571 transitions.
[2021-12-17 22:44:53,406 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)
[2021-12-17 22:44:53,408 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)
[2021-12-17 22:44:53,408 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)
[2021-12-17 22:44:53,408 INFO  L186             Difference]: Start difference. First operand has 336 places, 320 transitions, 777 flow. Second operand 5 states and 1571 transitions.
[2021-12-17 22:44:53,409 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 353 transitions, 1102 flow
[2021-12-17 22:44:53,414 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 353 transitions, 1094 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:53,416 INFO  L242             Difference]: Finished difference. Result has 342 places, 327 transitions, 866 flow
[2021-12-17 22:44:53,417 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}
[2021-12-17 22:44:53,417 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 30 predicate places.
[2021-12-17 22:44:53,417 INFO  L470      AbstractCegarLoop]: Abstraction has has 342 places, 327 transitions, 866 flow
[2021-12-17 22:44:53,418 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)
[2021-12-17 22:44:53,418 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:53,418 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]
[2021-12-17 22:44:53,418 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-17 22:44:53,419 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:53,419 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:53,419 INFO  L85        PathProgramCache]: Analyzing trace with hash 244563527, now seen corresponding path program 2 times
[2021-12-17 22:44:53,419 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:53,419 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916210842]
[2021-12-17 22:44:53,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:53,420 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:53,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:53,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:53,468 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:53,468 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916210842]
[2021-12-17 22:44:53,468 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916210842] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:53,468 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:53,469 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:53,469 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766416245]
[2021-12-17 22:44:53,469 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:53,469 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:53,469 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:53,470 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:53,470 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:53,471 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:53,472 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)
[2021-12-17 22:44:53,472 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:53,472 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:53,472 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:54,013 INFO  L129       PetriNetUnfolder]: 474/4030 cut-off events.
[2021-12-17 22:44:54,014 INFO  L130       PetriNetUnfolder]: For 3570/4052 co-relation queries the response was YES.
[2021-12-17 22:44:54,044 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. 
[2021-12-17 22:44:54,054 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 54 selfloop transitions, 14 changer transitions 2/360 dead transitions.
[2021-12-17 22:44:54,054 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 360 transitions, 1173 flow
[2021-12-17 22:44:54,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:54,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:54,057 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-17 22:44:54,057 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-17 22:44:54,057 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:54,058 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:54,058 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:54,058 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:54,061 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)
[2021-12-17 22:44:54,063 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)
[2021-12-17 22:44:54,063 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)
[2021-12-17 22:44:54,063 INFO  L186             Difference]: Start difference. First operand has 342 places, 327 transitions, 866 flow. Second operand 5 states and 1578 transitions.
[2021-12-17 22:44:54,063 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 360 transitions, 1173 flow
[2021-12-17 22:44:54,071 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 360 transitions, 1156 flow, removed 8 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:54,073 INFO  L242             Difference]: Finished difference. Result has 349 places, 335 transitions, 983 flow
[2021-12-17 22:44:54,074 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}
[2021-12-17 22:44:54,074 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 37 predicate places.
[2021-12-17 22:44:54,074 INFO  L470      AbstractCegarLoop]: Abstraction has has 349 places, 335 transitions, 983 flow
[2021-12-17 22:44:54,075 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)
[2021-12-17 22:44:54,075 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:54,075 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]
[2021-12-17 22:44:54,075 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-17 22:44:54,076 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:54,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:54,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361086785, now seen corresponding path program 3 times
[2021-12-17 22:44:54,076 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:54,076 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704123349]
[2021-12-17 22:44:54,077 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:54,077 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:54,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:54,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:54,168 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:54,168 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704123349]
[2021-12-17 22:44:54,168 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704123349] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:54,168 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:54,168 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:54,169 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812283243]
[2021-12-17 22:44:54,169 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:54,169 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:54,169 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:54,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:54,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:54,172 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:54,173 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)
[2021-12-17 22:44:54,173 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:54,173 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:54,173 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:54,698 INFO  L129       PetriNetUnfolder]: 410/3486 cut-off events.
[2021-12-17 22:44:54,698 INFO  L130       PetriNetUnfolder]: For 3975/3983 co-relation queries the response was YES.
[2021-12-17 22:44:54,716 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. 
[2021-12-17 22:44:54,722 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 64 selfloop transitions, 10 changer transitions 6/370 dead transitions.
[2021-12-17 22:44:54,722 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 370 transitions, 1410 flow
[2021-12-17 22:44:54,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:54,722 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:54,724 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-17 22:44:54,725 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-17 22:44:54,725 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-17 22:44:54,725 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-17 22:44:54,726 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:54,726 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-17 22:44:54,728 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)
[2021-12-17 22:44:54,730 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)
[2021-12-17 22:44:54,730 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)
[2021-12-17 22:44:54,730 INFO  L186             Difference]: Start difference. First operand has 349 places, 335 transitions, 983 flow. Second operand 5 states and 1572 transitions.
[2021-12-17 22:44:54,730 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 370 transitions, 1410 flow
[2021-12-17 22:44:54,741 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 370 transitions, 1388 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:54,744 INFO  L242             Difference]: Finished difference. Result has 354 places, 341 transitions, 1066 flow
[2021-12-17 22:44:54,744 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}
[2021-12-17 22:44:54,744 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 42 predicate places.
[2021-12-17 22:44:54,745 INFO  L470      AbstractCegarLoop]: Abstraction has has 354 places, 341 transitions, 1066 flow
[2021-12-17 22:44:54,745 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)
[2021-12-17 22:44:54,745 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:54,745 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]
[2021-12-17 22:44:54,745 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-17 22:44:54,746 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:54,746 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:54,746 INFO  L85        PathProgramCache]: Analyzing trace with hash 76886119, now seen corresponding path program 4 times
[2021-12-17 22:44:54,746 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:54,746 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052537837]
[2021-12-17 22:44:54,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:54,746 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:54,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:54,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:54,790 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:54,790 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052537837]
[2021-12-17 22:44:54,790 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052537837] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:54,790 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:54,790 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:54,790 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130658048]
[2021-12-17 22:44:54,790 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:54,791 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:54,791 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:54,791 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:54,791 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:54,792 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:54,793 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)
[2021-12-17 22:44:54,793 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:54,793 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:54,793 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:55,262 INFO  L129       PetriNetUnfolder]: 453/4000 cut-off events.
[2021-12-17 22:44:55,262 INFO  L130       PetriNetUnfolder]: For 5444/5745 co-relation queries the response was YES.
[2021-12-17 22:44:55,294 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. 
[2021-12-17 22:44:55,303 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 68 selfloop transitions, 12 changer transitions 5/375 dead transitions.
[2021-12-17 22:44:55,303 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 375 transitions, 1455 flow
[2021-12-17 22:44:55,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:55,304 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:55,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1577 transitions.
[2021-12-17 22:44:55,306 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9249266862170088
[2021-12-17 22:44:55,306 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1577 transitions.
[2021-12-17 22:44:55,306 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1577 transitions.
[2021-12-17 22:44:55,307 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:55,307 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1577 transitions.
[2021-12-17 22:44:55,309 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)
[2021-12-17 22:44:55,311 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)
[2021-12-17 22:44:55,311 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)
[2021-12-17 22:44:55,311 INFO  L186             Difference]: Start difference. First operand has 354 places, 341 transitions, 1066 flow. Second operand 5 states and 1577 transitions.
[2021-12-17 22:44:55,312 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 375 transitions, 1455 flow
[2021-12-17 22:44:55,325 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 375 transitions, 1441 flow, removed 7 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:55,328 INFO  L242             Difference]: Finished difference. Result has 361 places, 348 transitions, 1186 flow
[2021-12-17 22:44:55,328 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}
[2021-12-17 22:44:55,329 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 49 predicate places.
[2021-12-17 22:44:55,329 INFO  L470      AbstractCegarLoop]: Abstraction has has 361 places, 348 transitions, 1186 flow
[2021-12-17 22:44:55,329 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)
[2021-12-17 22:44:55,329 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:55,329 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]
[2021-12-17 22:44:55,330 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-17 22:44:55,330 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:55,330 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:55,330 INFO  L85        PathProgramCache]: Analyzing trace with hash -160415361, now seen corresponding path program 1 times
[2021-12-17 22:44:55,330 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:55,331 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297226514]
[2021-12-17 22:44:55,331 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:55,331 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:55,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:55,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:55,372 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:55,372 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297226514]
[2021-12-17 22:44:55,372 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297226514] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:55,372 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:55,372 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:55,372 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272619032]
[2021-12-17 22:44:55,373 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:55,373 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:55,373 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:55,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:55,374 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:55,374 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:55,375 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)
[2021-12-17 22:44:55,375 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:55,375 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:55,375 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:55,901 INFO  L129       PetriNetUnfolder]: 474/4001 cut-off events.
[2021-12-17 22:44:55,901 INFO  L130       PetriNetUnfolder]: For 6782/6840 co-relation queries the response was YES.
[2021-12-17 22:44:55,921 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. 
[2021-12-17 22:44:55,928 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 76 selfloop transitions, 15 changer transitions 9/390 dead transitions.
[2021-12-17 22:44:55,929 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 390 transitions, 1771 flow
[2021-12-17 22:44:55,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:55,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:55,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-17 22:44:55,935 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-17 22:44:55,935 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:55,935 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:55,944 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:55,945 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:55,948 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)
[2021-12-17 22:44:55,950 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)
[2021-12-17 22:44:55,953 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)
[2021-12-17 22:44:55,953 INFO  L186             Difference]: Start difference. First operand has 361 places, 348 transitions, 1186 flow. Second operand 5 states and 1575 transitions.
[2021-12-17 22:44:55,953 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 390 transitions, 1771 flow
[2021-12-17 22:44:55,970 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 390 transitions, 1761 flow, removed 5 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:55,974 INFO  L242             Difference]: Finished difference. Result has 368 places, 357 transitions, 1343 flow
[2021-12-17 22:44:55,975 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}
[2021-12-17 22:44:55,975 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 56 predicate places.
[2021-12-17 22:44:55,976 INFO  L470      AbstractCegarLoop]: Abstraction has has 368 places, 357 transitions, 1343 flow
[2021-12-17 22:44:55,976 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)
[2021-12-17 22:44:55,976 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:55,976 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]
[2021-12-17 22:44:55,977 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-17 22:44:55,977 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:55,977 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:55,977 INFO  L85        PathProgramCache]: Analyzing trace with hash 1363545151, now seen corresponding path program 2 times
[2021-12-17 22:44:55,978 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:55,978 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876989144]
[2021-12-17 22:44:55,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:55,978 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:56,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:56,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:56,036 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:56,037 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876989144]
[2021-12-17 22:44:56,037 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876989144] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:56,037 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:56,037 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:56,037 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879834696]
[2021-12-17 22:44:56,037 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:56,038 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:56,038 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:56,038 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:56,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:56,039 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:56,040 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)
[2021-12-17 22:44:56,040 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:56,040 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:56,040 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:56,586 INFO  L129       PetriNetUnfolder]: 472/4301 cut-off events.
[2021-12-17 22:44:56,586 INFO  L130       PetriNetUnfolder]: For 8896/9257 co-relation queries the response was YES.
[2021-12-17 22:44:56,619 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. 
[2021-12-17 22:44:56,628 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 71 selfloop transitions, 24 changer transitions 4/389 dead transitions.
[2021-12-17 22:44:56,628 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 389 transitions, 1805 flow
[2021-12-17 22:44:56,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:56,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:56,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-17 22:44:56,631 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-17 22:44:56,631 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:56,631 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:56,632 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:56,632 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-17 22:44:56,634 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)
[2021-12-17 22:44:56,636 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)
[2021-12-17 22:44:56,636 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)
[2021-12-17 22:44:56,636 INFO  L186             Difference]: Start difference. First operand has 368 places, 357 transitions, 1343 flow. Second operand 5 states and 1578 transitions.
[2021-12-17 22:44:56,636 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 389 transitions, 1805 flow
[2021-12-17 22:44:56,655 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 389 transitions, 1781 flow, removed 12 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:56,658 INFO  L242             Difference]: Finished difference. Result has 376 places, 365 transitions, 1537 flow
[2021-12-17 22:44:56,659 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}
[2021-12-17 22:44:56,659 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 64 predicate places.
[2021-12-17 22:44:56,659 INFO  L470      AbstractCegarLoop]: Abstraction has has 376 places, 365 transitions, 1537 flow
[2021-12-17 22:44:56,660 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)
[2021-12-17 22:44:56,660 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:56,660 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]
[2021-12-17 22:44:56,660 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-17 22:44:56,661 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:56,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:56,661 INFO  L85        PathProgramCache]: Analyzing trace with hash -1567935337, now seen corresponding path program 1 times
[2021-12-17 22:44:56,661 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:56,661 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113387889]
[2021-12-17 22:44:56,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:56,661 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:56,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:56,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:56,717 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:56,717 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113387889]
[2021-12-17 22:44:56,717 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113387889] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:56,717 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:56,717 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-17 22:44:56,718 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233244331]
[2021-12-17 22:44:56,718 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:56,718 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-17 22:44:56,718 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:56,718 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-17 22:44:56,719 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-17 22:44:56,720 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 341
[2021-12-17 22:44:56,721 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)
[2021-12-17 22:44:56,721 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:56,721 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 341
[2021-12-17 22:44:56,721 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:57,165 INFO  L129       PetriNetUnfolder]: 413/2727 cut-off events.
[2021-12-17 22:44:57,166 INFO  L130       PetriNetUnfolder]: For 3465/3708 co-relation queries the response was YES.
[2021-12-17 22:44:57,182 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. 
[2021-12-17 22:44:57,186 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 22 selfloop transitions, 5 changer transitions 18/383 dead transitions.
[2021-12-17 22:44:57,186 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 383 transitions, 1658 flow
[2021-12-17 22:44:57,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-17 22:44:57,187 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-17 22:44:57,189 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2809 transitions.
[2021-12-17 22:44:57,190 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9152818507657218
[2021-12-17 22:44:57,191 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2809 transitions.
[2021-12-17 22:44:57,191 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2809 transitions.
[2021-12-17 22:44:57,192 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:57,192 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2809 transitions.
[2021-12-17 22:44:57,196 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)
[2021-12-17 22:44:57,199 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)
[2021-12-17 22:44:57,199 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)
[2021-12-17 22:44:57,200 INFO  L186             Difference]: Start difference. First operand has 376 places, 365 transitions, 1537 flow. Second operand 9 states and 2809 transitions.
[2021-12-17 22:44:57,200 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 383 transitions, 1658 flow
[2021-12-17 22:44:57,211 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 383 transitions, 1628 flow, removed 15 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:57,214 INFO  L242             Difference]: Finished difference. Result has 389 places, 360 transitions, 1427 flow
[2021-12-17 22:44:57,214 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}
[2021-12-17 22:44:57,215 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 77 predicate places.
[2021-12-17 22:44:57,215 INFO  L470      AbstractCegarLoop]: Abstraction has has 389 places, 360 transitions, 1427 flow
[2021-12-17 22:44:57,216 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)
[2021-12-17 22:44:57,216 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:57,216 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]
[2021-12-17 22:44:57,216 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-17 22:44:57,216 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:57,217 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:57,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -521787837, now seen corresponding path program 3 times
[2021-12-17 22:44:57,217 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:57,217 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38914744]
[2021-12-17 22:44:57,217 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:57,217 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:57,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:57,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:57,260 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:57,260 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38914744]
[2021-12-17 22:44:57,260 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38914744] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:57,260 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:57,260 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:57,260 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413350612]
[2021-12-17 22:44:57,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:57,261 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:57,261 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:57,261 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:57,261 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:57,262 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:57,263 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)
[2021-12-17 22:44:57,263 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:57,263 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:57,263 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:57,781 INFO  L129       PetriNetUnfolder]: 421/3575 cut-off events.
[2021-12-17 22:44:57,782 INFO  L130       PetriNetUnfolder]: For 7724/7822 co-relation queries the response was YES.
[2021-12-17 22:44:57,813 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. 
[2021-12-17 22:44:57,821 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 84 selfloop transitions, 12 changer transitions 14/404 dead transitions.
[2021-12-17 22:44:57,821 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 404 transitions, 2101 flow
[2021-12-17 22:44:57,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:57,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:57,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-17 22:44:57,824 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-17 22:44:57,824 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:57,824 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:57,825 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:57,825 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-17 22:44:57,827 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)
[2021-12-17 22:44:57,829 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)
[2021-12-17 22:44:57,829 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)
[2021-12-17 22:44:57,829 INFO  L186             Difference]: Start difference. First operand has 389 places, 360 transitions, 1427 flow. Second operand 5 states and 1575 transitions.
[2021-12-17 22:44:57,829 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 404 transitions, 2101 flow
[2021-12-17 22:44:57,855 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 404 transitions, 2094 flow, removed 3 selfloop flow, removed 3 redundant places.
[2021-12-17 22:44:57,858 INFO  L242             Difference]: Finished difference. Result has 391 places, 366 transitions, 1548 flow
[2021-12-17 22:44:57,859 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}
[2021-12-17 22:44:57,859 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 79 predicate places.
[2021-12-17 22:44:57,859 INFO  L470      AbstractCegarLoop]: Abstraction has has 391 places, 366 transitions, 1548 flow
[2021-12-17 22:44:57,859 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)
[2021-12-17 22:44:57,860 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:57,860 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]
[2021-12-17 22:44:57,860 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-17 22:44:57,860 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:57,860 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:57,861 INFO  L85        PathProgramCache]: Analyzing trace with hash -1926116063, now seen corresponding path program 4 times
[2021-12-17 22:44:57,861 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:57,861 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862095217]
[2021-12-17 22:44:57,861 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:57,861 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:57,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:57,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:57,902 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:57,902 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862095217]
[2021-12-17 22:44:57,902 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862095217] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:57,902 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:57,903 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:57,903 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508698383]
[2021-12-17 22:44:57,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:57,903 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:57,903 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:57,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:57,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:57,904 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:57,905 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)
[2021-12-17 22:44:57,905 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:57,905 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:57,905 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:58,444 INFO  L129       PetriNetUnfolder]: 419/3715 cut-off events.
[2021-12-17 22:44:58,445 INFO  L130       PetriNetUnfolder]: For 9249/9476 co-relation queries the response was YES.
[2021-12-17 22:44:58,469 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. 
[2021-12-17 22:44:58,476 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 72 selfloop transitions, 13 changer transitions 16/395 dead transitions.
[2021-12-17 22:44:58,476 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 2078 flow
[2021-12-17 22:44:58,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:58,477 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:58,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-17 22:44:58,479 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-17 22:44:58,479 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-17 22:44:58,479 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-17 22:44:58,480 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:58,480 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-17 22:44:58,482 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)
[2021-12-17 22:44:58,484 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)
[2021-12-17 22:44:58,484 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)
[2021-12-17 22:44:58,484 INFO  L186             Difference]: Start difference. First operand has 391 places, 366 transitions, 1548 flow. Second operand 5 states and 1567 transitions.
[2021-12-17 22:44:58,484 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 2078 flow
[2021-12-17 22:44:58,511 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 395 transitions, 2056 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:58,517 INFO  L242             Difference]: Finished difference. Result has 396 places, 366 transitions, 1578 flow
[2021-12-17 22:44:58,518 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}
[2021-12-17 22:44:58,518 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 84 predicate places.
[2021-12-17 22:44:58,518 INFO  L470      AbstractCegarLoop]: Abstraction has has 396 places, 366 transitions, 1578 flow
[2021-12-17 22:44:58,519 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)
[2021-12-17 22:44:58,519 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:58,519 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]
[2021-12-17 22:44:58,519 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-17 22:44:58,519 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:58,520 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:58,520 INFO  L85        PathProgramCache]: Analyzing trace with hash 2134534103, now seen corresponding path program 1 times
[2021-12-17 22:44:58,520 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:58,520 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295162001]
[2021-12-17 22:44:58,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:58,520 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:58,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:58,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:58,572 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:58,572 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295162001]
[2021-12-17 22:44:58,572 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295162001] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:58,573 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:58,573 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:58,573 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841688468]
[2021-12-17 22:44:58,573 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:58,573 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:58,573 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:58,574 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:58,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:58,575 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:58,576 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)
[2021-12-17 22:44:58,576 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:58,576 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:58,576 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:59,252 INFO  L129       PetriNetUnfolder]: 452/3643 cut-off events.
[2021-12-17 22:44:59,253 INFO  L130       PetriNetUnfolder]: For 10583/10593 co-relation queries the response was YES.
[2021-12-17 22:44:59,299 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. 
[2021-12-17 22:44:59,308 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 83 selfloop transitions, 16 changer transitions 14/407 dead transitions.
[2021-12-17 22:44:59,308 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 407 transitions, 2309 flow
[2021-12-17 22:44:59,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:59,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:59,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1569 transitions.
[2021-12-17 22:44:59,311 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9202346041055719
[2021-12-17 22:44:59,312 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1569 transitions.
[2021-12-17 22:44:59,312 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1569 transitions.
[2021-12-17 22:44:59,312 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:59,312 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1569 transitions.
[2021-12-17 22:44:59,315 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)
[2021-12-17 22:44:59,316 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)
[2021-12-17 22:44:59,317 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)
[2021-12-17 22:44:59,317 INFO  L186             Difference]: Start difference. First operand has 396 places, 366 transitions, 1578 flow. Second operand 5 states and 1569 transitions.
[2021-12-17 22:44:59,317 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 407 transitions, 2309 flow
[2021-12-17 22:44:59,356 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 407 transitions, 2297 flow, removed 6 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:59,359 INFO  L242             Difference]: Finished difference. Result has 404 places, 373 transitions, 1740 flow
[2021-12-17 22:44:59,359 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}
[2021-12-17 22:44:59,360 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 92 predicate places.
[2021-12-17 22:44:59,360 INFO  L470      AbstractCegarLoop]: Abstraction has has 404 places, 373 transitions, 1740 flow
[2021-12-17 22:44:59,360 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)
[2021-12-17 22:44:59,360 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:59,361 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]
[2021-12-17 22:44:59,361 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-17 22:44:59,361 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:59,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:59,362 INFO  L85        PathProgramCache]: Analyzing trace with hash -1231313157, now seen corresponding path program 2 times
[2021-12-17 22:44:59,362 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:59,362 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961042018]
[2021-12-17 22:44:59,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:59,362 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:59,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:59,410 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:59,411 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:59,411 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961042018]
[2021-12-17 22:44:59,411 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961042018] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:59,411 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:59,411 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:59,411 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425170841]
[2021-12-17 22:44:59,412 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:59,413 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:59,413 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:59,413 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:59,413 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:59,414 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:44:59,415 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)
[2021-12-17 22:44:59,415 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:59,415 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:44:59,415 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:00,038 INFO  L129       PetriNetUnfolder]: 419/3451 cut-off events.
[2021-12-17 22:45:00,038 INFO  L130       PetriNetUnfolder]: For 11218/11287 co-relation queries the response was YES.
[2021-12-17 22:45:00,078 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. 
[2021-12-17 22:45:00,087 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 89 selfloop transitions, 17 changer transitions 9/409 dead transitions.
[2021-12-17 22:45:00,087 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 409 transitions, 2345 flow
[2021-12-17 22:45:00,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:00,087 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:00,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1573 transitions.
[2021-12-17 22:45:00,090 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9225806451612903
[2021-12-17 22:45:00,090 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1573 transitions.
[2021-12-17 22:45:00,090 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1573 transitions.
[2021-12-17 22:45:00,091 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:00,091 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1573 transitions.
[2021-12-17 22:45:00,093 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)
[2021-12-17 22:45:00,094 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)
[2021-12-17 22:45:00,095 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)
[2021-12-17 22:45:00,095 INFO  L186             Difference]: Start difference. First operand has 404 places, 373 transitions, 1740 flow. Second operand 5 states and 1573 transitions.
[2021-12-17 22:45:00,095 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 409 transitions, 2345 flow
[2021-12-17 22:45:00,127 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 409 transitions, 2290 flow, removed 23 selfloop flow, removed 2 redundant places.
[2021-12-17 22:45:00,130 INFO  L242             Difference]: Finished difference. Result has 410 places, 381 transitions, 1865 flow
[2021-12-17 22:45:00,130 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}
[2021-12-17 22:45:00,131 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 98 predicate places.
[2021-12-17 22:45:00,131 INFO  L470      AbstractCegarLoop]: Abstraction has has 410 places, 381 transitions, 1865 flow
[2021-12-17 22:45:00,131 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)
[2021-12-17 22:45:00,131 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:00,132 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]
[2021-12-17 22:45:00,132 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-17 22:45:00,132 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:00,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:00,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -66234203, now seen corresponding path program 1 times
[2021-12-17 22:45:00,133 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:00,133 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631773768]
[2021-12-17 22:45:00,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:00,133 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:00,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:00,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:00,179 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:00,179 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631773768]
[2021-12-17 22:45:00,179 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631773768] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:00,179 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:00,179 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:00,179 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028696514]
[2021-12-17 22:45:00,180 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:00,180 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:00,180 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:00,180 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:00,181 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:00,182 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:00,182 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)
[2021-12-17 22:45:00,182 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:00,182 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:00,183 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:00,744 INFO  L129       PetriNetUnfolder]: 417/3568 cut-off events.
[2021-12-17 22:45:00,744 INFO  L130       PetriNetUnfolder]: For 11280/11372 co-relation queries the response was YES.
[2021-12-17 22:45:00,783 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. 
[2021-12-17 22:45:00,791 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 97 selfloop transitions, 18 changer transitions 5/414 dead transitions.
[2021-12-17 22:45:00,792 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 414 transitions, 2427 flow
[2021-12-17 22:45:00,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:00,792 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:00,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-17 22:45:00,794 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-17 22:45:00,794 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:00,794 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:00,795 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:00,795 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:00,797 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)
[2021-12-17 22:45:00,798 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)
[2021-12-17 22:45:00,799 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)
[2021-12-17 22:45:00,799 INFO  L186             Difference]: Start difference. First operand has 410 places, 381 transitions, 1865 flow. Second operand 5 states and 1574 transitions.
[2021-12-17 22:45:00,799 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 414 transitions, 2427 flow
[2021-12-17 22:45:00,830 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 414 transitions, 2405 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-17 22:45:00,834 INFO  L242             Difference]: Finished difference. Result has 417 places, 388 transitions, 2030 flow
[2021-12-17 22:45:00,834 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}
[2021-12-17 22:45:00,835 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 105 predicate places.
[2021-12-17 22:45:00,835 INFO  L470      AbstractCegarLoop]: Abstraction has has 417 places, 388 transitions, 2030 flow
[2021-12-17 22:45:00,835 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)
[2021-12-17 22:45:00,835 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:00,836 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]
[2021-12-17 22:45:00,836 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-17 22:45:00,836 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:00,836 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:00,836 INFO  L85        PathProgramCache]: Analyzing trace with hash 299128503, now seen corresponding path program 2 times
[2021-12-17 22:45:00,836 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:00,837 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243020065]
[2021-12-17 22:45:00,837 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:00,837 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:00,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:00,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:00,874 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:00,874 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243020065]
[2021-12-17 22:45:00,874 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243020065] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:00,874 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:00,874 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:00,874 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225233359]
[2021-12-17 22:45:00,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:00,875 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:00,875 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:00,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:00,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:00,876 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:00,877 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)
[2021-12-17 22:45:00,877 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:00,877 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:00,877 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:01,454 INFO  L129       PetriNetUnfolder]: 415/3517 cut-off events.
[2021-12-17 22:45:01,455 INFO  L130       PetriNetUnfolder]: For 12247/12371 co-relation queries the response was YES.
[2021-12-17 22:45:01,497 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. 
[2021-12-17 22:45:01,506 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 100 selfloop transitions, 19 changer transitions 20/433 dead transitions.
[2021-12-17 22:45:01,506 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 433 transitions, 2894 flow
[2021-12-17 22:45:01,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:01,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:01,507 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-17 22:45:01,508 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-17 22:45:01,508 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:01,508 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:01,509 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:01,509 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-17 22:45:01,510 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)
[2021-12-17 22:45:01,512 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)
[2021-12-17 22:45:01,512 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)
[2021-12-17 22:45:01,512 INFO  L186             Difference]: Start difference. First operand has 417 places, 388 transitions, 2030 flow. Second operand 5 states and 1574 transitions.
[2021-12-17 22:45:01,512 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 433 transitions, 2894 flow
[2021-12-17 22:45:01,551 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 433 transitions, 2872 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-17 22:45:01,556 INFO  L242             Difference]: Finished difference. Result has 424 places, 386 transitions, 2058 flow
[2021-12-17 22:45:01,557 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}
[2021-12-17 22:45:01,557 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 112 predicate places.
[2021-12-17 22:45:01,557 INFO  L470      AbstractCegarLoop]: Abstraction has has 424 places, 386 transitions, 2058 flow
[2021-12-17 22:45:01,558 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)
[2021-12-17 22:45:01,558 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:01,558 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]
[2021-12-17 22:45:01,558 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-12-17 22:45:01,559 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:01,559 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:01,559 INFO  L85        PathProgramCache]: Analyzing trace with hash 543254387, now seen corresponding path program 3 times
[2021-12-17 22:45:01,559 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:01,559 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446775804]
[2021-12-17 22:45:01,560 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:01,560 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:01,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:01,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:01,603 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:01,603 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446775804]
[2021-12-17 22:45:01,603 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446775804] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:01,603 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:01,603 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:01,604 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663024176]
[2021-12-17 22:45:01,604 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:01,604 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:01,604 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:01,605 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:01,605 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:01,606 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:01,607 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)
[2021-12-17 22:45:01,607 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:01,607 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:01,607 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:02,132 INFO  L129       PetriNetUnfolder]: 369/3165 cut-off events.
[2021-12-17 22:45:02,132 INFO  L130       PetriNetUnfolder]: For 11385/11485 co-relation queries the response was YES.
[2021-12-17 22:45:02,170 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. 
[2021-12-17 22:45:02,178 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 102 selfloop transitions, 17 changer transitions 7/420 dead transitions.
[2021-12-17 22:45:02,178 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 420 transitions, 2701 flow
[2021-12-17 22:45:02,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:02,179 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:02,180 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-17 22:45:02,180 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-17 22:45:02,180 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-17 22:45:02,180 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-17 22:45:02,180 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:02,181 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-17 22:45:02,182 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)
[2021-12-17 22:45:02,183 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)
[2021-12-17 22:45:02,184 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)
[2021-12-17 22:45:02,184 INFO  L186             Difference]: Start difference. First operand has 424 places, 386 transitions, 2058 flow. Second operand 5 states and 1567 transitions.
[2021-12-17 22:45:02,184 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 420 transitions, 2701 flow
[2021-12-17 22:45:02,221 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 420 transitions, 2632 flow, removed 29 selfloop flow, removed 3 redundant places.
[2021-12-17 22:45:02,226 INFO  L242             Difference]: Finished difference. Result has 426 places, 391 transitions, 2128 flow
[2021-12-17 22:45:02,226 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}
[2021-12-17 22:45:02,227 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 114 predicate places.
[2021-12-17 22:45:02,227 INFO  L470      AbstractCegarLoop]: Abstraction has has 426 places, 391 transitions, 2128 flow
[2021-12-17 22:45:02,227 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)
[2021-12-17 22:45:02,227 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:02,227 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]
[2021-12-17 22:45:02,228 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-12-17 22:45:02,228 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:02,228 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:02,228 INFO  L85        PathProgramCache]: Analyzing trace with hash -1524011439, now seen corresponding path program 4 times
[2021-12-17 22:45:02,228 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:02,228 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068207586]
[2021-12-17 22:45:02,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:02,229 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:02,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:02,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:02,267 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:02,267 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068207586]
[2021-12-17 22:45:02,267 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068207586] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:02,267 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:02,267 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:02,268 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918925014]
[2021-12-17 22:45:02,268 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:02,268 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:02,268 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:02,269 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:02,269 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:02,269 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:02,270 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)
[2021-12-17 22:45:02,270 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:02,270 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:02,270 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:02,731 INFO  L129       PetriNetUnfolder]: 367/3106 cut-off events.
[2021-12-17 22:45:02,731 INFO  L130       PetriNetUnfolder]: For 11010/11113 co-relation queries the response was YES.
[2021-12-17 22:45:02,764 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. 
[2021-12-17 22:45:02,771 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 96 selfloop transitions, 16 changer transitions 10/416 dead transitions.
[2021-12-17 22:45:02,772 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 416 transitions, 2643 flow
[2021-12-17 22:45:02,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:02,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:02,773 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1564 transitions.
[2021-12-17 22:45:02,773 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9173020527859238
[2021-12-17 22:45:02,773 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1564 transitions.
[2021-12-17 22:45:02,773 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1564 transitions.
[2021-12-17 22:45:02,774 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:02,774 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1564 transitions.
[2021-12-17 22:45:02,784 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)
[2021-12-17 22:45:02,786 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)
[2021-12-17 22:45:02,786 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)
[2021-12-17 22:45:02,787 INFO  L186             Difference]: Start difference. First operand has 426 places, 391 transitions, 2128 flow. Second operand 5 states and 1564 transitions.
[2021-12-17 22:45:02,787 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 416 transitions, 2643 flow
[2021-12-17 22:45:02,820 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 416 transitions, 2604 flow, removed 9 selfloop flow, removed 2 redundant places.
[2021-12-17 22:45:02,824 INFO  L242             Difference]: Finished difference. Result has 430 places, 392 transitions, 2164 flow
[2021-12-17 22:45:02,824 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}
[2021-12-17 22:45:02,825 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 118 predicate places.
[2021-12-17 22:45:02,825 INFO  L470      AbstractCegarLoop]: Abstraction has has 430 places, 392 transitions, 2164 flow
[2021-12-17 22:45:02,825 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)
[2021-12-17 22:45:02,825 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:02,825 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]
[2021-12-17 22:45:02,826 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-12-17 22:45:02,826 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:02,826 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:02,826 INFO  L85        PathProgramCache]: Analyzing trace with hash -1854010667, now seen corresponding path program 1 times
[2021-12-17 22:45:02,826 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:02,826 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270139031]
[2021-12-17 22:45:02,827 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:02,827 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:02,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:02,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:02,865 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:02,865 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270139031]
[2021-12-17 22:45:02,865 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270139031] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:02,865 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:02,865 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:02,865 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578522825]
[2021-12-17 22:45:02,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:02,866 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:02,866 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:02,866 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:02,866 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:02,867 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:02,868 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)
[2021-12-17 22:45:02,868 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:02,868 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:02,868 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:03,378 INFO  L129       PetriNetUnfolder]: 399/3056 cut-off events.
[2021-12-17 22:45:03,379 INFO  L130       PetriNetUnfolder]: For 10907/10917 co-relation queries the response was YES.
[2021-12-17 22:45:03,400 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. 
[2021-12-17 22:45:03,405 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 102 selfloop transitions, 26 changer transitions 18/440 dead transitions.
[2021-12-17 22:45:03,405 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 440 transitions, 3172 flow
[2021-12-17 22:45:03,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:03,406 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:03,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-17 22:45:03,407 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-17 22:45:03,407 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-17 22:45:03,407 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-17 22:45:03,407 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:03,407 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-17 22:45:03,409 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)
[2021-12-17 22:45:03,411 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)
[2021-12-17 22:45:03,411 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)
[2021-12-17 22:45:03,411 INFO  L186             Difference]: Start difference. First operand has 430 places, 392 transitions, 2164 flow. Second operand 5 states and 1572 transitions.
[2021-12-17 22:45:03,411 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 440 transitions, 3172 flow
[2021-12-17 22:45:03,445 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 440 transitions, 3160 flow, removed 4 selfloop flow, removed 1 redundant places.
[2021-12-17 22:45:03,450 INFO  L242             Difference]: Finished difference. Result has 437 places, 392 transitions, 2293 flow
[2021-12-17 22:45:03,450 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}
[2021-12-17 22:45:03,450 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 125 predicate places.
[2021-12-17 22:45:03,451 INFO  L470      AbstractCegarLoop]: Abstraction has has 437 places, 392 transitions, 2293 flow
[2021-12-17 22:45:03,451 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)
[2021-12-17 22:45:03,451 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:03,451 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]
[2021-12-17 22:45:03,451 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-12-17 22:45:03,451 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:03,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:03,452 INFO  L85        PathProgramCache]: Analyzing trace with hash 1432073873, now seen corresponding path program 1 times
[2021-12-17 22:45:03,452 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:03,452 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537536319]
[2021-12-17 22:45:03,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:03,452 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:03,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:03,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:03,492 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:03,492 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537536319]
[2021-12-17 22:45:03,492 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537536319] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:03,492 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:03,492 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:03,493 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814905782]
[2021-12-17 22:45:03,493 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:03,493 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:03,493 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:03,494 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:03,494 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:03,494 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:03,495 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)
[2021-12-17 22:45:03,495 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:03,495 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:03,495 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:03,919 INFO  L129       PetriNetUnfolder]: 339/2786 cut-off events.
[2021-12-17 22:45:03,919 INFO  L130       PetriNetUnfolder]: For 12020/12044 co-relation queries the response was YES.
[2021-12-17 22:45:03,950 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. 
[2021-12-17 22:45:03,958 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 122 selfloop transitions, 25 changer transitions 9/450 dead transitions.
[2021-12-17 22:45:03,958 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 450 transitions, 3457 flow
[2021-12-17 22:45:03,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:03,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:03,960 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-17 22:45:03,961 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-17 22:45:03,961 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-17 22:45:03,961 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-17 22:45:03,961 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:03,961 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-17 22:45:03,963 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)
[2021-12-17 22:45:03,964 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)
[2021-12-17 22:45:03,964 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)
[2021-12-17 22:45:03,965 INFO  L186             Difference]: Start difference. First operand has 437 places, 392 transitions, 2293 flow. Second operand 5 states and 1578 transitions.
[2021-12-17 22:45:03,965 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 450 transitions, 3457 flow
[2021-12-17 22:45:04,003 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 450 transitions, 3379 flow, removed 25 selfloop flow, removed 3 redundant places.
[2021-12-17 22:45:04,008 INFO  L242             Difference]: Finished difference. Result has 442 places, 401 transitions, 2507 flow
[2021-12-17 22:45:04,008 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}
[2021-12-17 22:45:04,008 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 130 predicate places.
[2021-12-17 22:45:04,009 INFO  L470      AbstractCegarLoop]: Abstraction has has 442 places, 401 transitions, 2507 flow
[2021-12-17 22:45:04,009 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)
[2021-12-17 22:45:04,009 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:04,009 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]
[2021-12-17 22:45:04,009 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-12-17 22:45:04,009 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:04,010 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:04,010 INFO  L85        PathProgramCache]: Analyzing trace with hash 598045953, now seen corresponding path program 2 times
[2021-12-17 22:45:04,010 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:04,010 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274782370]
[2021-12-17 22:45:04,010 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:04,010 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:04,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:04,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:04,043 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:04,043 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274782370]
[2021-12-17 22:45:04,044 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274782370] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:04,044 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:04,044 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:04,044 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128279006]
[2021-12-17 22:45:04,044 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:04,044 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:04,044 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:04,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:04,045 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:04,046 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:04,046 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)
[2021-12-17 22:45:04,046 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:04,046 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:04,047 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:04,501 INFO  L129       PetriNetUnfolder]: 348/2932 cut-off events.
[2021-12-17 22:45:04,501 INFO  L130       PetriNetUnfolder]: For 12709/12783 co-relation queries the response was YES.
[2021-12-17 22:45:04,536 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. 
[2021-12-17 22:45:04,544 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 124 selfloop transitions, 34 changer transitions 7/459 dead transitions.
[2021-12-17 22:45:04,544 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 459 transitions, 3634 flow
[2021-12-17 22:45:04,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:04,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:04,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1579 transitions.
[2021-12-17 22:45:04,546 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9260997067448681
[2021-12-17 22:45:04,546 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1579 transitions.
[2021-12-17 22:45:04,546 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1579 transitions.
[2021-12-17 22:45:04,546 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:04,546 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1579 transitions.
[2021-12-17 22:45:04,548 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)
[2021-12-17 22:45:04,549 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)
[2021-12-17 22:45:04,549 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)
[2021-12-17 22:45:04,549 INFO  L186             Difference]: Start difference. First operand has 442 places, 401 transitions, 2507 flow. Second operand 5 states and 1579 transitions.
[2021-12-17 22:45:04,549 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 459 transitions, 3634 flow
[2021-12-17 22:45:04,588 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 459 transitions, 3588 flow, removed 19 selfloop flow, removed 1 redundant places.
[2021-12-17 22:45:04,592 INFO  L242             Difference]: Finished difference. Result has 449 places, 415 transitions, 2882 flow
[2021-12-17 22:45:04,592 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}
[2021-12-17 22:45:04,593 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 137 predicate places.
[2021-12-17 22:45:04,593 INFO  L470      AbstractCegarLoop]: Abstraction has has 449 places, 415 transitions, 2882 flow
[2021-12-17 22:45:04,593 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)
[2021-12-17 22:45:04,593 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:04,593 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]
[2021-12-17 22:45:04,594 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-12-17 22:45:04,594 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:04,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:04,594 INFO  L85        PathProgramCache]: Analyzing trace with hash 875340509, now seen corresponding path program 2 times
[2021-12-17 22:45:04,594 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:04,594 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227132112]
[2021-12-17 22:45:04,595 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:04,595 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:04,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:04,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:04,625 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:04,625 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227132112]
[2021-12-17 22:45:04,625 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227132112] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:04,626 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:04,626 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:45:04,626 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845487061]
[2021-12-17 22:45:04,626 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:04,626 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:45:04,626 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:04,627 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:45:04,627 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:45:04,628 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-17 22:45:04,628 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)
[2021-12-17 22:45:04,628 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:04,628 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-17 22:45:04,628 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:05,093 INFO  L129       PetriNetUnfolder]: 351/2788 cut-off events.
[2021-12-17 22:45:05,093 INFO  L130       PetriNetUnfolder]: For 13495/13559 co-relation queries the response was YES.
[2021-12-17 22:45:05,127 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. 
[2021-12-17 22:45:05,135 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 119 selfloop transitions, 38 changer transitions 6/457 dead transitions.
[2021-12-17 22:45:05,135 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 457 transitions, 3795 flow
[2021-12-17 22:45:05,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:45:05,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:45:05,136 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1576 transitions.
[2021-12-17 22:45:05,136 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9243401759530792
[2021-12-17 22:45:05,137 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1576 transitions.
[2021-12-17 22:45:05,137 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1576 transitions.
[2021-12-17 22:45:05,137 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:05,137 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1576 transitions.
[2021-12-17 22:45:05,138 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)
[2021-12-17 22:45:05,139 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)
[2021-12-17 22:45:05,140 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)
[2021-12-17 22:45:05,140 INFO  L186             Difference]: Start difference. First operand has 449 places, 415 transitions, 2882 flow. Second operand 5 states and 1576 transitions.
[2021-12-17 22:45:05,140 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 457 transitions, 3795 flow
[2021-12-17 22:45:05,182 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 457 transitions, 3730 flow, removed 31 selfloop flow, removed 1 redundant places.
[2021-12-17 22:45:05,187 INFO  L242             Difference]: Finished difference. Result has 456 places, 424 transitions, 3168 flow
[2021-12-17 22:45:05,187 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}
[2021-12-17 22:45:05,187 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 144 predicate places.
[2021-12-17 22:45:05,188 INFO  L470      AbstractCegarLoop]: Abstraction has has 456 places, 424 transitions, 3168 flow
[2021-12-17 22:45:05,188 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)
[2021-12-17 22:45:05,188 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:05,188 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]
[2021-12-17 22:45:05,188 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-12-17 22:45:05,188 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:05,189 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:05,189 INFO  L85        PathProgramCache]: Analyzing trace with hash -663131617, now seen corresponding path program 1 times
[2021-12-17 22:45:05,189 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:05,189 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578080188]
[2021-12-17 22:45:05,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:05,189 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:05,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:05,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:05,248 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:05,249 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578080188]
[2021-12-17 22:45:05,249 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578080188] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:05,249 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:05,249 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:45:05,249 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103435255]
[2021-12-17 22:45:05,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:05,250 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:45:05,250 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:05,250 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:45:05,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:45:05,251 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 305 out of 341
[2021-12-17 22:45:05,252 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)
[2021-12-17 22:45:05,252 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:05,252 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 341
[2021-12-17 22:45:05,252 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:05,759 INFO  L129       PetriNetUnfolder]: 272/2780 cut-off events.
[2021-12-17 22:45:05,760 INFO  L130       PetriNetUnfolder]: For 9471/9783 co-relation queries the response was YES.
[2021-12-17 22:45:05,790 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. 
[2021-12-17 22:45:05,796 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 35 selfloop transitions, 7 changer transitions 10/450 dead transitions.
[2021-12-17 22:45:05,796 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 450 transitions, 3333 flow
[2021-12-17 22:45:05,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-17 22:45:05,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-17 22:45:05,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3402 transitions.
[2021-12-17 22:45:05,798 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9069581444948014
[2021-12-17 22:45:05,799 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3402 transitions.
[2021-12-17 22:45:05,799 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3402 transitions.
[2021-12-17 22:45:05,799 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:05,799 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3402 transitions.
[2021-12-17 22:45:05,802 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)
[2021-12-17 22:45:05,806 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)
[2021-12-17 22:45:05,806 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)
[2021-12-17 22:45:05,806 INFO  L186             Difference]: Start difference. First operand has 456 places, 424 transitions, 3168 flow. Second operand 11 states and 3402 transitions.
[2021-12-17 22:45:05,807 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 450 transitions, 3333 flow
[2021-12-17 22:45:05,842 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 450 transitions, 3289 flow, removed 22 selfloop flow, removed 0 redundant places.
[2021-12-17 22:45:05,846 INFO  L242             Difference]: Finished difference. Result has 475 places, 424 transitions, 3060 flow
[2021-12-17 22:45:05,853 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}
[2021-12-17 22:45:05,858 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 163 predicate places.
[2021-12-17 22:45:05,858 INFO  L470      AbstractCegarLoop]: Abstraction has has 475 places, 424 transitions, 3060 flow
[2021-12-17 22:45:05,859 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)
[2021-12-17 22:45:05,859 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:05,859 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]
[2021-12-17 22:45:05,859 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-12-17 22:45:05,861 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:05,861 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:05,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 1873514764, now seen corresponding path program 1 times
[2021-12-17 22:45:05,861 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:05,861 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825358286]
[2021-12-17 22:45:05,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:05,862 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:05,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:05,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:05,980 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:05,980 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825358286]
[2021-12-17 22:45:05,980 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825358286] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:05,980 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:05,980 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-12-17 22:45:05,981 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026625243]
[2021-12-17 22:45:05,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:05,981 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-12-17 22:45:05,981 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:05,982 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-12-17 22:45:05,982 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2021-12-17 22:45:05,983 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 301 out of 341
[2021-12-17 22:45:05,984 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)
[2021-12-17 22:45:05,984 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:05,984 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 341
[2021-12-17 22:45:05,984 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:07,590 INFO  L129       PetriNetUnfolder]: 2145/8999 cut-off events.
[2021-12-17 22:45:07,590 INFO  L130       PetriNetUnfolder]: For 14558/15346 co-relation queries the response was YES.
[2021-12-17 22:45:07,716 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. 
[2021-12-17 22:45:07,735 INFO  L132   encePairwiseOnDemand]: 328/341 looper letters, 78 selfloop transitions, 12 changer transitions 4/489 dead transitions.
[2021-12-17 22:45:07,735 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 489 transitions, 3510 flow
[2021-12-17 22:45:07,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-12-17 22:45:07,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-12-17 22:45:07,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4291 transitions.
[2021-12-17 22:45:07,738 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8988269794721407
[2021-12-17 22:45:07,738 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 4291 transitions.
[2021-12-17 22:45:07,738 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 4291 transitions.
[2021-12-17 22:45:07,739 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:07,739 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4291 transitions.
[2021-12-17 22:45:07,742 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)
[2021-12-17 22:45:07,744 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)
[2021-12-17 22:45:07,745 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)
[2021-12-17 22:45:07,745 INFO  L186             Difference]: Start difference. First operand has 475 places, 424 transitions, 3060 flow. Second operand 14 states and 4291 transitions.
[2021-12-17 22:45:07,745 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 489 transitions, 3510 flow
[2021-12-17 22:45:07,814 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 489 transitions, 3494 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-12-17 22:45:07,819 INFO  L242             Difference]: Finished difference. Result has 491 places, 430 transitions, 3118 flow
[2021-12-17 22:45:07,819 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}
[2021-12-17 22:45:07,820 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 179 predicate places.
[2021-12-17 22:45:07,820 INFO  L470      AbstractCegarLoop]: Abstraction has has 491 places, 430 transitions, 3118 flow
[2021-12-17 22:45:07,820 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)
[2021-12-17 22:45:07,820 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:07,820 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]
[2021-12-17 22:45:07,821 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-12-17 22:45:07,821 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:07,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:07,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -930111915, now seen corresponding path program 1 times
[2021-12-17 22:45:07,821 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:07,821 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008509408]
[2021-12-17 22:45:07,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:07,822 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:07,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:08,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:08,403 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:08,403 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008509408]
[2021-12-17 22:45:08,403 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008509408] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:08,403 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:08,403 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40
[2021-12-17 22:45:08,403 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390430801]
[2021-12-17 22:45:08,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:08,404 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-12-17 22:45:08,404 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:08,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-12-17 22:45:08,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560
[2021-12-17 22:45:08,420 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 225 out of 341
[2021-12-17 22:45:08,423 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)
[2021-12-17 22:45:08,423 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:08,423 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 341
[2021-12-17 22:45:08,423 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand