./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 ff03de63
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-ff03de6
[2021-12-21 15:16:18,753 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-21 15:16:18,756 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-21 15:16:18,797 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-21 15:16:18,798 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-21 15:16:18,801 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-21 15:16:18,803 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-21 15:16:18,808 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-21 15:16:18,810 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-21 15:16:18,811 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-21 15:16:18,812 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-21 15:16:18,812 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-21 15:16:18,813 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-21 15:16:18,813 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-21 15:16:18,814 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-21 15:16:18,815 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-21 15:16:18,817 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-21 15:16:18,818 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-21 15:16:18,820 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-21 15:16:18,825 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-21 15:16:18,826 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-21 15:16:18,827 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-21 15:16:18,830 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-21 15:16:18,831 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-21 15:16:18,837 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-21 15:16:18,838 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-21 15:16:18,838 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-21 15:16:18,840 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-21 15:16:18,840 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-21 15:16:18,841 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-21 15:16:18,842 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-21 15:16:18,844 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-21 15:16:18,845 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-21 15:16:18,846 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-21 15:16:18,847 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-21 15:16:18,847 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-21 15:16:18,847 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-21 15:16:18,848 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-21 15:16:18,848 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-21 15:16:18,849 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-21 15:16:18,849 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-21 15:16:18,850 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-21 15:16:18,883 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-21 15:16:18,884 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-21 15:16:18,884 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-21 15:16:18,885 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-21 15:16:18,885 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-21 15:16:18,886 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-21 15:16:18,887 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-21 15:16:18,887 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-21 15:16:18,887 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-21 15:16:18,887 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-21 15:16:18,888 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-21 15:16:18,888 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-21 15:16:18,889 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-21 15:16:18,889 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-21 15:16:18,889 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-21 15:16:18,889 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-21 15:16:18,889 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-21 15:16:18,890 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-21 15:16:18,890 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-21 15:16:18,890 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-21 15:16:18,890 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-21 15:16:18,890 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-21 15:16:18,891 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-21 15:16:18,891 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-21 15:16:18,891 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-21 15:16:18,891 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-21 15:16:18,891 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-21 15:16:18,892 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-21 15:16:18,892 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-21 15:16:18,892 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-21 15:16:18,894 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-21 15:16:18,894 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-21 15:16:18,894 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-21 15:16:18,894 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-21 15:16:18,895 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
[2021-12-21 15:16:19,120 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-21 15:16:19,140 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-21 15:16:19,143 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-21 15:16:19,144 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-21 15:16:19,145 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-21 15:16:19,146 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-21 15:16:19,223 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37cef6dbb/7aa2c42474c64f09923f841f9af0ece8/FLAGc65927cb5
[2021-12-21 15:16:19,559 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-21 15:16:19,559 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c
[2021-12-21 15:16:19,565 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37cef6dbb/7aa2c42474c64f09923f841f9af0ece8/FLAGc65927cb5
[2021-12-21 15:16:19,984 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37cef6dbb/7aa2c42474c64f09923f841f9af0ece8
[2021-12-21 15:16:19,987 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-21 15:16:19,988 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-21 15:16:19,992 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-21 15:16:19,992 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-21 15:16:19,995 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-21 15:16:19,996 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:16:19" (1/1) ...
[2021-12-21 15:16:19,998 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8797bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:19, skipping insertion in model container
[2021-12-21 15:16:19,998 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:16:19" (1/1) ...
[2021-12-21 15:16:20,004 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-21 15:16:20,028 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-21 15:16:20,176 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]
[2021-12-21 15:16:20,199 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-21 15:16:20,206 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-21 15:16:20,236 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]
[2021-12-21 15:16:20,241 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-21 15:16:20,253 INFO  L208         MainTranslator]: Completed translation
[2021-12-21 15:16:20,253 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20 WrapperNode
[2021-12-21 15:16:20,254 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-21 15:16:20,255 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-21 15:16:20,255 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-21 15:16:20,255 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-21 15:16:20,261 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,267 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,295 INFO  L137                Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 250
[2021-12-21 15:16:20,295 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-21 15:16:20,296 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-21 15:16:20,296 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-21 15:16:20,297 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-21 15:16:20,304 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,305 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,308 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,308 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,315 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,319 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,321 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,325 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-21 15:16:20,326 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-21 15:16:20,326 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-21 15:16:20,326 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-21 15:16:20,327 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (1/1) ...
[2021-12-21 15:16:20,346 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-21 15:16:20,365 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-21 15:16:20,425 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)
[2021-12-21 15:16:20,433 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
[2021-12-21 15:16:20,463 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-21 15:16:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-21 15:16:20,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-21 15:16:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-21 15:16:20,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-21 15:16:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-12-21 15:16:20,464 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-12-21 15:16:20,464 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-21 15:16:20,465 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-21 15:16:20,465 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-21 15:16:20,465 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-21 15:16:20,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-21 15:16:20,465 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-21 15:16:20,465 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-21 15:16:20,467 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-21 15:16:20,542 INFO  L234             CfgBuilder]: Building ICFG
[2021-12-21 15:16:20,543 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-21 15:16:20,911 INFO  L275             CfgBuilder]: Performing block encoding
[2021-12-21 15:16:20,924 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-21 15:16:20,931 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2021-12-21 15:16:20,934 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:16:20 BoogieIcfgContainer
[2021-12-21 15:16:20,935 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-21 15:16:20,936 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-21 15:16:20,937 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-21 15:16:20,940 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-21 15:16:20,940 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:16:19" (1/3) ...
[2021-12-21 15:16:20,941 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec5ac59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:16:20, skipping insertion in model container
[2021-12-21 15:16:20,941 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:16:20" (2/3) ...
[2021-12-21 15:16:20,941 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec5ac59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:16:20, skipping insertion in model container
[2021-12-21 15:16:20,942 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:16:20" (3/3) ...
[2021-12-21 15:16:20,943 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c
[2021-12-21 15:16:20,947 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-21 15:16:20,947 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-21 15:16:20,947 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-21 15:16:20,948 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-21 15:16:21,057 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,058 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,058 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,058 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,058 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,059 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,059 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,059 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,059 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,059 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,060 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,060 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,060 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,060 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,060 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,061 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,061 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,061 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,061 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,061 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,062 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,062 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,063 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,063 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,063 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,063 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,064 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,064 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,064 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,064 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,064 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,065 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,065 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,065 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,065 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,066 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,066 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,066 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,067 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,067 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,067 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,067 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,068 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,068 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,068 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,068 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,068 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,069 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,069 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,069 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,069 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,070 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,070 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,070 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,070 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,070 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,071 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,071 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,071 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,071 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,072 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,072 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,073 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,073 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,073 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,073 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,099 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,099 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,099 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,099 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,100 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,100 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,100 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,100 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,100 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,101 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,101 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,101 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,101 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,101 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,102 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,102 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,103 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,103 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,103 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,103 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,104 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,105 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,105 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,105 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,105 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,105 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,106 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,106 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,106 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,106 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,107 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,107 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,107 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,108 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,108 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,108 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,108 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,108 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,109 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,109 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,109 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,109 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,110 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,110 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,110 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,110 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,111 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,111 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,111 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,111 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,112 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,112 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,112 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,112 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,112 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,113 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,113 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,113 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,113 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,113 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,114 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,114 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,114 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,114 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,114 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,115 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,115 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,115 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,115 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,115 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,116 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,116 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,116 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,117 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,117 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,117 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,117 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,117 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,118 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,119 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,120 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,121 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,121 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,121 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,121 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,121 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,122 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,122 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,122 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,122 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,123 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,123 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,123 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,123 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,123 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,124 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,124 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,124 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,124 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,125 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,126 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,126 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,126 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,126 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,126 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,127 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,128 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,129 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,129 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,129 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,129 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,139 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,140 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,141 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,142 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,143 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,144 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,145 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,146 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,147 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,147 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,147 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,147 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,147 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,148 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,149 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,150 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,150 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,150 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,150 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,151 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,151 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,151 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,151 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,157 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,157 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,158 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,159 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,160 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,160 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,161 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,161 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,161 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,161 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,161 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,185 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,186 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,186 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,186 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,196 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,196 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,196 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,196 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,196 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,201 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,201 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,201 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,201 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,202 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,202 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,202 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,203 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,204 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-21 15:16:21,207 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-12-21 15:16:21,261 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-21 15:16:21,275 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
[2021-12-21 15:16:21,275 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-12-21 15:16:21,288 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 326 places, 341 transitions, 706 flow
[2021-12-21 15:16:21,415 INFO  L129       PetriNetUnfolder]: 25/338 cut-off events.
[2021-12-21 15:16:21,416 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-21 15:16:21,425 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. 
[2021-12-21 15:16:21,426 INFO  L82        GeneralOperation]: Start removeDead. Operand has 326 places, 341 transitions, 706 flow
[2021-12-21 15:16:21,433 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 312 places, 327 transitions, 672 flow
[2021-12-21 15:16:21,511 INFO  L129       PetriNetUnfolder]: 25/326 cut-off events.
[2021-12-21 15:16:21,511 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-21 15:16:21,512 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:21,513 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]
[2021-12-21 15:16:21,514 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:21,519 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:21,519 INFO  L85        PathProgramCache]: Analyzing trace with hash -1820755081, now seen corresponding path program 1 times
[2021-12-21 15:16:21,529 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:21,530 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290290320]
[2021-12-21 15:16:21,530 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:21,531 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:21,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:22,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:22,183 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:22,183 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290290320]
[2021-12-21 15:16:22,184 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290290320] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:22,184 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:22,184 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-21 15:16:22,186 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823834790]
[2021-12-21 15:16:22,186 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:22,197 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-21 15:16:22,198 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:22,229 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-21 15:16:22,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-12-21 15:16:22,243 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 341
[2021-12-21 15:16:22,251 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)
[2021-12-21 15:16:22,251 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:22,252 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 341
[2021-12-21 15:16:22,253 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:22,606 INFO  L129       PetriNetUnfolder]: 87/826 cut-off events.
[2021-12-21 15:16:22,615 INFO  L130       PetriNetUnfolder]: For 64/64 co-relation queries the response was YES.
[2021-12-21 15:16:22,624 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. 
[2021-12-21 15:16:22,634 INFO  L132   encePairwiseOnDemand]: 319/341 looper letters, 30 selfloop transitions, 5 changer transitions 6/335 dead transitions.
[2021-12-21 15:16:22,635 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 335 transitions, 797 flow
[2021-12-21 15:16:22,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-21 15:16:22,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-21 15:16:22,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2843 transitions.
[2021-12-21 15:16:22,663 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9263603779732812
[2021-12-21 15:16:22,664 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2843 transitions.
[2021-12-21 15:16:22,664 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2843 transitions.
[2021-12-21 15:16:22,670 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:22,672 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2843 transitions.
[2021-12-21 15:16:22,682 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)
[2021-12-21 15:16:22,695 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)
[2021-12-21 15:16:22,697 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)
[2021-12-21 15:16:22,699 INFO  L186             Difference]: Start difference. First operand has 312 places, 327 transitions, 672 flow. Second operand 9 states and 2843 transitions.
[2021-12-21 15:16:22,700 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 335 transitions, 797 flow
[2021-12-21 15:16:22,707 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 335 transitions, 767 flow, removed 0 selfloop flow, removed 6 redundant places.
[2021-12-21 15:16:22,717 INFO  L242             Difference]: Finished difference. Result has 319 places, 315 transitions, 661 flow
[2021-12-21 15:16:22,719 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}
[2021-12-21 15:16:22,724 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 7 predicate places.
[2021-12-21 15:16:22,725 INFO  L470      AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 661 flow
[2021-12-21 15:16:22,726 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)
[2021-12-21 15:16:22,726 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:22,726 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]
[2021-12-21 15:16:22,727 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-21 15:16:22,727 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:22,728 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:22,728 INFO  L85        PathProgramCache]: Analyzing trace with hash -566622069, now seen corresponding path program 1 times
[2021-12-21 15:16:22,728 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:22,729 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344892257]
[2021-12-21 15:16:22,729 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:22,729 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:22,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:22,928 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:22,928 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:22,928 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344892257]
[2021-12-21 15:16:22,929 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344892257] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:22,929 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:22,929 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-21 15:16:22,929 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855157535]
[2021-12-21 15:16:22,929 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:22,932 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-21 15:16:22,932 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:22,933 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-21 15:16:22,933 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-21 15:16:22,936 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 311 out of 341
[2021-12-21 15:16:22,938 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)
[2021-12-21 15:16:22,938 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:22,939 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 341
[2021-12-21 15:16:22,939 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:23,125 INFO  L129       PetriNetUnfolder]: 32/499 cut-off events.
[2021-12-21 15:16:23,126 INFO  L130       PetriNetUnfolder]: For 25/34 co-relation queries the response was YES.
[2021-12-21 15:16:23,133 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. 
[2021-12-21 15:16:23,136 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 3 changer transitions 4/328 dead transitions.
[2021-12-21 15:16:23,136 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 328 transitions, 755 flow
[2021-12-21 15:16:23,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-21 15:16:23,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-21 15:16:23,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2206 transitions.
[2021-12-21 15:16:23,141 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9241726015919565
[2021-12-21 15:16:23,141 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2206 transitions.
[2021-12-21 15:16:23,141 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2206 transitions.
[2021-12-21 15:16:23,142 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:23,142 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2206 transitions.
[2021-12-21 15:16:23,147 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)
[2021-12-21 15:16:23,152 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)
[2021-12-21 15:16:23,154 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)
[2021-12-21 15:16:23,154 INFO  L186             Difference]: Start difference. First operand has 319 places, 315 transitions, 661 flow. Second operand 7 states and 2206 transitions.
[2021-12-21 15:16:23,154 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 328 transitions, 755 flow
[2021-12-21 15:16:23,158 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 328 transitions, 744 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-21 15:16:23,165 INFO  L242             Difference]: Finished difference. Result has 322 places, 317 transitions, 677 flow
[2021-12-21 15:16:23,165 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}
[2021-12-21 15:16:23,166 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-21 15:16:23,166 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 317 transitions, 677 flow
[2021-12-21 15:16:23,168 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)
[2021-12-21 15:16:23,168 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:23,168 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]
[2021-12-21 15:16:23,169 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-21 15:16:23,169 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:23,170 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:23,170 INFO  L85        PathProgramCache]: Analyzing trace with hash 1572473933, now seen corresponding path program 1 times
[2021-12-21 15:16:23,170 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:23,170 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033041666]
[2021-12-21 15:16:23,171 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:23,171 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:23,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:23,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:23,293 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:23,293 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033041666]
[2021-12-21 15:16:23,294 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033041666] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:23,294 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:23,294 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:23,294 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9940827]
[2021-12-21 15:16:23,294 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:23,295 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:23,295 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:23,296 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:23,296 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:23,298 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:23,300 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)
[2021-12-21 15:16:23,300 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:23,300 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:23,300 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:23,908 INFO  L129       PetriNetUnfolder]: 503/3092 cut-off events.
[2021-12-21 15:16:23,909 INFO  L130       PetriNetUnfolder]: For 107/107 co-relation queries the response was YES.
[2021-12-21 15:16:23,932 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. 
[2021-12-21 15:16:23,943 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 2 changer transitions 3/335 dead transitions.
[2021-12-21 15:16:23,944 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 805 flow
[2021-12-21 15:16:23,944 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:23,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:23,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-21 15:16:23,947 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-21 15:16:23,947 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:23,947 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:23,948 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:23,948 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:23,951 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)
[2021-12-21 15:16:23,954 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)
[2021-12-21 15:16:23,955 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)
[2021-12-21 15:16:23,955 INFO  L186             Difference]: Start difference. First operand has 322 places, 317 transitions, 677 flow. Second operand 4 states and 1256 transitions.
[2021-12-21 15:16:23,956 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 805 flow
[2021-12-21 15:16:23,961 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 335 transitions, 800 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-21 15:16:23,966 INFO  L242             Difference]: Finished difference. Result has 322 places, 315 transitions, 671 flow
[2021-12-21 15:16:23,966 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}
[2021-12-21 15:16:23,967 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places.
[2021-12-21 15:16:23,967 INFO  L470      AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 671 flow
[2021-12-21 15:16:23,968 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)
[2021-12-21 15:16:23,969 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:23,969 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]
[2021-12-21 15:16:23,969 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-21 15:16:23,969 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:23,970 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:23,970 INFO  L85        PathProgramCache]: Analyzing trace with hash -2140776571, now seen corresponding path program 2 times
[2021-12-21 15:16:23,970 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:23,971 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882315467]
[2021-12-21 15:16:23,971 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:23,971 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:23,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:24,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:24,047 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:24,047 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882315467]
[2021-12-21 15:16:24,047 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882315467] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:24,048 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:24,048 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:24,048 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773794504]
[2021-12-21 15:16:24,048 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:24,049 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:24,049 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:24,049 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:24,050 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:24,052 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:24,053 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)
[2021-12-21 15:16:24,053 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:24,053 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:24,054 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:24,592 INFO  L129       PetriNetUnfolder]: 436/2996 cut-off events.
[2021-12-21 15:16:24,593 INFO  L130       PetriNetUnfolder]: For 259/262 co-relation queries the response was YES.
[2021-12-21 15:16:24,617 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. 
[2021-12-21 15:16:24,626 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 38 selfloop transitions, 3 changer transitions 1/332 dead transitions.
[2021-12-21 15:16:24,627 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 332 transitions, 804 flow
[2021-12-21 15:16:24,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:24,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:24,629 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-21 15:16:24,630 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-21 15:16:24,630 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:24,630 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:24,631 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:24,631 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:24,655 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)
[2021-12-21 15:16:24,658 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)
[2021-12-21 15:16:24,659 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)
[2021-12-21 15:16:24,659 INFO  L186             Difference]: Start difference. First operand has 322 places, 315 transitions, 671 flow. Second operand 4 states and 1254 transitions.
[2021-12-21 15:16:24,659 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 332 transitions, 804 flow
[2021-12-21 15:16:24,665 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 332 transitions, 796 flow, removed 3 selfloop flow, removed 4 redundant places.
[2021-12-21 15:16:24,669 INFO  L242             Difference]: Finished difference. Result has 320 places, 317 transitions, 693 flow
[2021-12-21 15:16:24,670 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}
[2021-12-21 15:16:24,671 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 8 predicate places.
[2021-12-21 15:16:24,672 INFO  L470      AbstractCegarLoop]: Abstraction has has 320 places, 317 transitions, 693 flow
[2021-12-21 15:16:24,672 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)
[2021-12-21 15:16:24,672 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:24,673 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]
[2021-12-21 15:16:24,673 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-21 15:16:24,673 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:24,674 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:24,674 INFO  L85        PathProgramCache]: Analyzing trace with hash -237683451, now seen corresponding path program 3 times
[2021-12-21 15:16:24,674 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:24,676 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627722436]
[2021-12-21 15:16:24,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:24,676 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:24,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:24,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:24,771 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:24,772 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627722436]
[2021-12-21 15:16:24,772 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627722436] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:24,772 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:24,772 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:24,772 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976641398]
[2021-12-21 15:16:24,773 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:24,773 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:24,773 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:24,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:24,774 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:24,775 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:24,777 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)
[2021-12-21 15:16:24,777 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:24,777 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:24,777 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:25,445 INFO  L129       PetriNetUnfolder]: 467/3337 cut-off events.
[2021-12-21 15:16:25,446 INFO  L130       PetriNetUnfolder]: For 631/712 co-relation queries the response was YES.
[2021-12-21 15:16:25,468 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. 
[2021-12-21 15:16:25,481 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 41 selfloop transitions, 5 changer transitions 0/336 dead transitions.
[2021-12-21 15:16:25,481 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 336 transitions, 845 flow
[2021-12-21 15:16:25,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:25,482 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:25,483 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1257 transitions.
[2021-12-21 15:16:25,484 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9215542521994134
[2021-12-21 15:16:25,484 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1257 transitions.
[2021-12-21 15:16:25,484 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1257 transitions.
[2021-12-21 15:16:25,485 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:25,486 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1257 transitions.
[2021-12-21 15:16:25,488 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)
[2021-12-21 15:16:25,490 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)
[2021-12-21 15:16:25,491 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)
[2021-12-21 15:16:25,491 INFO  L186             Difference]: Start difference. First operand has 320 places, 317 transitions, 693 flow. Second operand 4 states and 1257 transitions.
[2021-12-21 15:16:25,491 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 336 transitions, 845 flow
[2021-12-21 15:16:25,497 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 336 transitions, 843 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:25,501 INFO  L242             Difference]: Finished difference. Result has 324 places, 318 transitions, 720 flow
[2021-12-21 15:16:25,502 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}
[2021-12-21 15:16:25,504 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 12 predicate places.
[2021-12-21 15:16:25,504 INFO  L470      AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 720 flow
[2021-12-21 15:16:25,505 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)
[2021-12-21 15:16:25,505 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:25,505 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]
[2021-12-21 15:16:25,506 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-21 15:16:25,506 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:25,507 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:25,507 INFO  L85        PathProgramCache]: Analyzing trace with hash 632786909, now seen corresponding path program 4 times
[2021-12-21 15:16:25,507 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:25,507 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168995812]
[2021-12-21 15:16:25,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:25,508 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:25,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:25,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:25,586 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:25,586 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168995812]
[2021-12-21 15:16:25,586 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168995812] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:25,586 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:25,586 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:25,587 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027121208]
[2021-12-21 15:16:25,587 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:25,587 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:25,587 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:25,588 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:25,588 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:25,590 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:25,591 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)
[2021-12-21 15:16:25,591 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:25,591 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:25,592 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:26,236 INFO  L129       PetriNetUnfolder]: 464/3338 cut-off events.
[2021-12-21 15:16:26,237 INFO  L130       PetriNetUnfolder]: For 1011/1095 co-relation queries the response was YES.
[2021-12-21 15:16:26,265 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. 
[2021-12-21 15:16:26,274 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 39 selfloop transitions, 5 changer transitions 1/335 dead transitions.
[2021-12-21 15:16:26,275 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 335 transitions, 864 flow
[2021-12-21 15:16:26,275 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:26,275 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:26,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions.
[2021-12-21 15:16:26,278 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9208211143695014
[2021-12-21 15:16:26,278 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:26,278 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:26,279 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:26,279 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions.
[2021-12-21 15:16:26,282 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)
[2021-12-21 15:16:26,285 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)
[2021-12-21 15:16:26,286 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)
[2021-12-21 15:16:26,286 INFO  L186             Difference]: Start difference. First operand has 324 places, 318 transitions, 720 flow. Second operand 4 states and 1256 transitions.
[2021-12-21 15:16:26,286 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 335 transitions, 864 flow
[2021-12-21 15:16:26,293 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 335 transitions, 860 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:26,297 INFO  L242             Difference]: Finished difference. Result has 328 places, 319 transitions, 746 flow
[2021-12-21 15:16:26,298 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}
[2021-12-21 15:16:26,300 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 16 predicate places.
[2021-12-21 15:16:26,300 INFO  L470      AbstractCegarLoop]: Abstraction has has 328 places, 319 transitions, 746 flow
[2021-12-21 15:16:26,301 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)
[2021-12-21 15:16:26,301 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:26,301 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]
[2021-12-21 15:16:26,301 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-21 15:16:26,301 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:26,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:26,302 INFO  L85        PathProgramCache]: Analyzing trace with hash 42985117, now seen corresponding path program 5 times
[2021-12-21 15:16:26,302 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:26,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879297265]
[2021-12-21 15:16:26,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:26,302 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:26,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:26,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:26,375 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:26,376 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879297265]
[2021-12-21 15:16:26,376 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879297265] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:26,376 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:26,376 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:26,376 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244545536]
[2021-12-21 15:16:26,377 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:26,379 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:26,379 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:26,380 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:26,380 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:26,381 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:26,382 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)
[2021-12-21 15:16:26,383 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:26,383 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:26,383 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:26,945 INFO  L129       PetriNetUnfolder]: 486/3495 cut-off events.
[2021-12-21 15:16:26,945 INFO  L130       PetriNetUnfolder]: For 1637/1815 co-relation queries the response was YES.
[2021-12-21 15:16:26,978 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. 
[2021-12-21 15:16:26,989 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 3 changer transitions 1/334 dead transitions.
[2021-12-21 15:16:26,989 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 334 transitions, 880 flow
[2021-12-21 15:16:26,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:26,990 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:26,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions.
[2021-12-21 15:16:26,992 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9193548387096774
[2021-12-21 15:16:26,993 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:26,993 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:26,993 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:26,993 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions.
[2021-12-21 15:16:26,996 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)
[2021-12-21 15:16:26,999 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)
[2021-12-21 15:16:26,999 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)
[2021-12-21 15:16:26,999 INFO  L186             Difference]: Start difference. First operand has 328 places, 319 transitions, 746 flow. Second operand 4 states and 1254 transitions.
[2021-12-21 15:16:27,000 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 334 transitions, 880 flow
[2021-12-21 15:16:27,006 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:27,010 INFO  L242             Difference]: Finished difference. Result has 332 places, 320 transitions, 766 flow
[2021-12-21 15:16:27,011 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}
[2021-12-21 15:16:27,011 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 20 predicate places.
[2021-12-21 15:16:27,011 INFO  L470      AbstractCegarLoop]: Abstraction has has 332 places, 320 transitions, 766 flow
[2021-12-21 15:16:27,012 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)
[2021-12-21 15:16:27,012 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:27,013 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]
[2021-12-21 15:16:27,013 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-21 15:16:27,013 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:27,013 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:27,014 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261496579, now seen corresponding path program 6 times
[2021-12-21 15:16:27,014 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:27,014 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895359955]
[2021-12-21 15:16:27,014 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:27,014 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:27,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:27,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:27,086 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:27,086 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895359955]
[2021-12-21 15:16:27,086 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895359955] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:27,086 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:27,087 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:27,087 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801886169]
[2021-12-21 15:16:27,087 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:27,088 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:27,088 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:27,088 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:27,088 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:27,090 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:27,103 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)
[2021-12-21 15:16:27,103 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:27,103 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:27,104 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:27,779 INFO  L129       PetriNetUnfolder]: 485/3470 cut-off events.
[2021-12-21 15:16:27,780 INFO  L130       PetriNetUnfolder]: For 2348/2664 co-relation queries the response was YES.
[2021-12-21 15:16:27,820 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. 
[2021-12-21 15:16:27,833 INFO  L132   encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 4 changer transitions 1/335 dead transitions.
[2021-12-21 15:16:27,833 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 896 flow
[2021-12-21 15:16:27,834 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-21 15:16:27,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-21 15:16:27,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1255 transitions.
[2021-12-21 15:16:27,837 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9200879765395894
[2021-12-21 15:16:27,837 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1255 transitions.
[2021-12-21 15:16:27,837 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1255 transitions.
[2021-12-21 15:16:27,838 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:27,838 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1255 transitions.
[2021-12-21 15:16:27,841 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)
[2021-12-21 15:16:27,843 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)
[2021-12-21 15:16:27,844 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)
[2021-12-21 15:16:27,844 INFO  L186             Difference]: Start difference. First operand has 332 places, 320 transitions, 766 flow. Second operand 4 states and 1255 transitions.
[2021-12-21 15:16:27,844 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 896 flow
[2021-12-21 15:16:27,853 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 335 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:27,857 INFO  L242             Difference]: Finished difference. Result has 336 places, 320 transitions, 777 flow
[2021-12-21 15:16:27,858 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}
[2021-12-21 15:16:27,859 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 24 predicate places.
[2021-12-21 15:16:27,859 INFO  L470      AbstractCegarLoop]: Abstraction has has 336 places, 320 transitions, 777 flow
[2021-12-21 15:16:27,860 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)
[2021-12-21 15:16:27,860 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:27,860 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]
[2021-12-21 15:16:27,860 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-12-21 15:16:27,861 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:27,861 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:27,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 1753842987, now seen corresponding path program 1 times
[2021-12-21 15:16:27,861 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:27,862 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000166961]
[2021-12-21 15:16:27,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:27,862 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:27,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:27,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:27,939 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:27,939 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000166961]
[2021-12-21 15:16:27,939 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000166961] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:27,939 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:27,939 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:27,940 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71942323]
[2021-12-21 15:16:27,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:27,940 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:27,941 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:27,941 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:27,941 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:27,943 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:27,944 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)
[2021-12-21 15:16:27,944 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:27,944 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:27,944 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:28,626 INFO  L129       PetriNetUnfolder]: 419/3319 cut-off events.
[2021-12-21 15:16:28,627 INFO  L130       PetriNetUnfolder]: For 2398/2416 co-relation queries the response was YES.
[2021-12-21 15:16:28,669 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. 
[2021-12-21 15:16:28,682 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 52 selfloop transitions, 8 changer transitions 3/353 dead transitions.
[2021-12-21 15:16:28,683 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 353 transitions, 1102 flow
[2021-12-21 15:16:28,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:28,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:28,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1571 transitions.
[2021-12-21 15:16:28,687 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214076246334311
[2021-12-21 15:16:28,687 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1571 transitions.
[2021-12-21 15:16:28,687 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1571 transitions.
[2021-12-21 15:16:28,688 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:28,689 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1571 transitions.
[2021-12-21 15:16:28,692 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)
[2021-12-21 15:16:28,695 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)
[2021-12-21 15:16:28,697 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)
[2021-12-21 15:16:28,697 INFO  L186             Difference]: Start difference. First operand has 336 places, 320 transitions, 777 flow. Second operand 5 states and 1571 transitions.
[2021-12-21 15:16:28,697 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 353 transitions, 1102 flow
[2021-12-21 15:16:28,706 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 353 transitions, 1094 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:28,710 INFO  L242             Difference]: Finished difference. Result has 342 places, 327 transitions, 866 flow
[2021-12-21 15:16:28,711 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}
[2021-12-21 15:16:28,712 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 30 predicate places.
[2021-12-21 15:16:28,713 INFO  L470      AbstractCegarLoop]: Abstraction has has 342 places, 327 transitions, 866 flow
[2021-12-21 15:16:28,713 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)
[2021-12-21 15:16:28,713 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:28,714 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]
[2021-12-21 15:16:28,714 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-21 15:16:28,714 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:28,715 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:28,715 INFO  L85        PathProgramCache]: Analyzing trace with hash 244563527, now seen corresponding path program 2 times
[2021-12-21 15:16:28,715 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:28,716 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847006470]
[2021-12-21 15:16:28,716 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:28,716 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:28,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:28,800 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:28,800 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:28,800 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847006470]
[2021-12-21 15:16:28,800 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847006470] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:28,802 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:28,802 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:28,803 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54615067]
[2021-12-21 15:16:28,803 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:28,804 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:28,804 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:28,805 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:28,806 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:28,808 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:28,809 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)
[2021-12-21 15:16:28,809 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:28,809 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:28,809 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:29,505 INFO  L129       PetriNetUnfolder]: 474/4030 cut-off events.
[2021-12-21 15:16:29,506 INFO  L130       PetriNetUnfolder]: For 3570/4052 co-relation queries the response was YES.
[2021-12-21 15:16:29,548 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. 
[2021-12-21 15:16:29,561 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 54 selfloop transitions, 14 changer transitions 2/360 dead transitions.
[2021-12-21 15:16:29,561 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 360 transitions, 1173 flow
[2021-12-21 15:16:29,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:29,562 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:29,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-21 15:16:29,565 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-21 15:16:29,565 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:29,565 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:29,566 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:29,566 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:29,569 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)
[2021-12-21 15:16:29,572 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)
[2021-12-21 15:16:29,572 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)
[2021-12-21 15:16:29,572 INFO  L186             Difference]: Start difference. First operand has 342 places, 327 transitions, 866 flow. Second operand 5 states and 1578 transitions.
[2021-12-21 15:16:29,572 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 360 transitions, 1173 flow
[2021-12-21 15:16:29,581 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 360 transitions, 1156 flow, removed 8 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:29,586 INFO  L242             Difference]: Finished difference. Result has 349 places, 335 transitions, 983 flow
[2021-12-21 15:16:29,586 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}
[2021-12-21 15:16:29,587 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 37 predicate places.
[2021-12-21 15:16:29,587 INFO  L470      AbstractCegarLoop]: Abstraction has has 349 places, 335 transitions, 983 flow
[2021-12-21 15:16:29,588 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)
[2021-12-21 15:16:29,588 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:29,588 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]
[2021-12-21 15:16:29,588 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-21 15:16:29,588 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:29,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:29,589 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361086785, now seen corresponding path program 3 times
[2021-12-21 15:16:29,589 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:29,589 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030444874]
[2021-12-21 15:16:29,589 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:29,590 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:29,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:29,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:29,653 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:29,653 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030444874]
[2021-12-21 15:16:29,653 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030444874] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:29,654 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:29,654 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:29,654 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395313116]
[2021-12-21 15:16:29,654 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:29,655 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:29,655 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:29,655 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:29,655 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:29,657 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:29,658 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)
[2021-12-21 15:16:29,658 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:29,658 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:29,658 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:30,200 INFO  L129       PetriNetUnfolder]: 410/3486 cut-off events.
[2021-12-21 15:16:30,201 INFO  L130       PetriNetUnfolder]: For 3975/3983 co-relation queries the response was YES.
[2021-12-21 15:16:30,251 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. 
[2021-12-21 15:16:30,263 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 64 selfloop transitions, 10 changer transitions 6/370 dead transitions.
[2021-12-21 15:16:30,264 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 370 transitions, 1410 flow
[2021-12-21 15:16:30,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:30,264 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:30,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-21 15:16:30,268 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-21 15:16:30,268 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:30,268 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:30,269 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:30,269 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:30,272 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)
[2021-12-21 15:16:30,275 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)
[2021-12-21 15:16:30,275 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)
[2021-12-21 15:16:30,276 INFO  L186             Difference]: Start difference. First operand has 349 places, 335 transitions, 983 flow. Second operand 5 states and 1572 transitions.
[2021-12-21 15:16:30,276 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 370 transitions, 1410 flow
[2021-12-21 15:16:30,292 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 370 transitions, 1388 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:30,296 INFO  L242             Difference]: Finished difference. Result has 354 places, 341 transitions, 1066 flow
[2021-12-21 15:16:30,297 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}
[2021-12-21 15:16:30,297 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 42 predicate places.
[2021-12-21 15:16:30,298 INFO  L470      AbstractCegarLoop]: Abstraction has has 354 places, 341 transitions, 1066 flow
[2021-12-21 15:16:30,298 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)
[2021-12-21 15:16:30,298 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:30,298 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]
[2021-12-21 15:16:30,299 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-21 15:16:30,299 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:30,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:30,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 76886119, now seen corresponding path program 4 times
[2021-12-21 15:16:30,300 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:30,300 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087872252]
[2021-12-21 15:16:30,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:30,300 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:30,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:30,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:30,359 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:30,359 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087872252]
[2021-12-21 15:16:30,359 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087872252] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:30,359 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:30,359 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:30,360 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612079162]
[2021-12-21 15:16:30,360 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:30,360 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:30,360 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:30,361 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:30,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:30,362 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:30,364 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)
[2021-12-21 15:16:30,364 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:30,364 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:30,364 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:31,071 INFO  L129       PetriNetUnfolder]: 453/4000 cut-off events.
[2021-12-21 15:16:31,071 INFO  L130       PetriNetUnfolder]: For 5444/5745 co-relation queries the response was YES.
[2021-12-21 15:16:31,116 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. 
[2021-12-21 15:16:31,130 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 68 selfloop transitions, 12 changer transitions 5/375 dead transitions.
[2021-12-21 15:16:31,130 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 375 transitions, 1455 flow
[2021-12-21 15:16:31,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:31,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:31,133 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1577 transitions.
[2021-12-21 15:16:31,134 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9249266862170088
[2021-12-21 15:16:31,135 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1577 transitions.
[2021-12-21 15:16:31,135 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1577 transitions.
[2021-12-21 15:16:31,136 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:31,136 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1577 transitions.
[2021-12-21 15:16:31,139 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)
[2021-12-21 15:16:31,141 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)
[2021-12-21 15:16:31,142 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)
[2021-12-21 15:16:31,142 INFO  L186             Difference]: Start difference. First operand has 354 places, 341 transitions, 1066 flow. Second operand 5 states and 1577 transitions.
[2021-12-21 15:16:31,142 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 375 transitions, 1455 flow
[2021-12-21 15:16:31,158 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 375 transitions, 1441 flow, removed 7 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:31,162 INFO  L242             Difference]: Finished difference. Result has 361 places, 348 transitions, 1186 flow
[2021-12-21 15:16:31,163 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}
[2021-12-21 15:16:31,164 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 49 predicate places.
[2021-12-21 15:16:31,164 INFO  L470      AbstractCegarLoop]: Abstraction has has 361 places, 348 transitions, 1186 flow
[2021-12-21 15:16:31,164 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)
[2021-12-21 15:16:31,164 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:31,165 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]
[2021-12-21 15:16:31,165 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-21 15:16:31,165 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:31,165 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:31,166 INFO  L85        PathProgramCache]: Analyzing trace with hash -160415361, now seen corresponding path program 1 times
[2021-12-21 15:16:31,166 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:31,166 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539245499]
[2021-12-21 15:16:31,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:31,166 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:31,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:31,223 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:31,223 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:31,223 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539245499]
[2021-12-21 15:16:31,223 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539245499] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:31,223 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:31,224 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:31,224 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190942773]
[2021-12-21 15:16:31,224 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:31,224 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:31,225 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:31,225 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:31,225 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:31,226 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:31,228 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)
[2021-12-21 15:16:31,228 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:31,228 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:31,228 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:31,992 INFO  L129       PetriNetUnfolder]: 474/4001 cut-off events.
[2021-12-21 15:16:31,992 INFO  L130       PetriNetUnfolder]: For 6782/6840 co-relation queries the response was YES.
[2021-12-21 15:16:32,028 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. 
[2021-12-21 15:16:32,041 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 76 selfloop transitions, 15 changer transitions 9/390 dead transitions.
[2021-12-21 15:16:32,041 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 390 transitions, 1771 flow
[2021-12-21 15:16:32,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:32,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:32,044 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-21 15:16:32,045 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-21 15:16:32,045 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:32,046 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:32,047 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:32,047 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:32,050 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)
[2021-12-21 15:16:32,054 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)
[2021-12-21 15:16:32,054 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)
[2021-12-21 15:16:32,055 INFO  L186             Difference]: Start difference. First operand has 361 places, 348 transitions, 1186 flow. Second operand 5 states and 1575 transitions.
[2021-12-21 15:16:32,055 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 390 transitions, 1771 flow
[2021-12-21 15:16:32,074 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 390 transitions, 1761 flow, removed 5 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:32,078 INFO  L242             Difference]: Finished difference. Result has 368 places, 357 transitions, 1343 flow
[2021-12-21 15:16:32,079 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}
[2021-12-21 15:16:32,080 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 56 predicate places.
[2021-12-21 15:16:32,080 INFO  L470      AbstractCegarLoop]: Abstraction has has 368 places, 357 transitions, 1343 flow
[2021-12-21 15:16:32,080 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)
[2021-12-21 15:16:32,080 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:32,081 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]
[2021-12-21 15:16:32,081 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-21 15:16:32,081 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:32,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:32,082 INFO  L85        PathProgramCache]: Analyzing trace with hash 1363545151, now seen corresponding path program 2 times
[2021-12-21 15:16:32,082 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:32,082 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312583408]
[2021-12-21 15:16:32,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:32,082 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:32,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:32,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:32,137 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:32,138 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312583408]
[2021-12-21 15:16:32,138 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312583408] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:32,138 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:32,138 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:32,138 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102607899]
[2021-12-21 15:16:32,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:32,139 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:32,139 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:32,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:32,140 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:32,141 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:32,142 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)
[2021-12-21 15:16:32,142 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:32,142 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:32,142 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:32,794 INFO  L129       PetriNetUnfolder]: 472/4301 cut-off events.
[2021-12-21 15:16:32,795 INFO  L130       PetriNetUnfolder]: For 8896/9257 co-relation queries the response was YES.
[2021-12-21 15:16:32,849 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. 
[2021-12-21 15:16:32,864 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 71 selfloop transitions, 24 changer transitions 4/389 dead transitions.
[2021-12-21 15:16:32,865 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 389 transitions, 1805 flow
[2021-12-21 15:16:32,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:32,865 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:32,868 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-21 15:16:32,869 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-21 15:16:32,869 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:32,869 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:32,870 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:32,870 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:32,873 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)
[2021-12-21 15:16:32,876 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)
[2021-12-21 15:16:32,877 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)
[2021-12-21 15:16:32,877 INFO  L186             Difference]: Start difference. First operand has 368 places, 357 transitions, 1343 flow. Second operand 5 states and 1578 transitions.
[2021-12-21 15:16:32,877 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 389 transitions, 1805 flow
[2021-12-21 15:16:32,903 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 389 transitions, 1781 flow, removed 12 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:32,907 INFO  L242             Difference]: Finished difference. Result has 376 places, 365 transitions, 1537 flow
[2021-12-21 15:16:32,908 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}
[2021-12-21 15:16:32,908 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 64 predicate places.
[2021-12-21 15:16:32,909 INFO  L470      AbstractCegarLoop]: Abstraction has has 376 places, 365 transitions, 1537 flow
[2021-12-21 15:16:32,909 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)
[2021-12-21 15:16:32,909 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:32,910 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]
[2021-12-21 15:16:32,910 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-21 15:16:32,910 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:32,910 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:32,910 INFO  L85        PathProgramCache]: Analyzing trace with hash -1567935337, now seen corresponding path program 1 times
[2021-12-21 15:16:32,911 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:32,911 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221574753]
[2021-12-21 15:16:32,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:32,911 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:32,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:32,999 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:32,999 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:32,999 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221574753]
[2021-12-21 15:16:32,999 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221574753] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:32,999 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:32,999 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-21 15:16:33,000 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384600779]
[2021-12-21 15:16:33,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:33,000 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-21 15:16:33,000 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:33,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-21 15:16:33,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-21 15:16:33,003 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 341
[2021-12-21 15:16:33,004 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)
[2021-12-21 15:16:33,004 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:33,005 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 341
[2021-12-21 15:16:33,005 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:33,497 INFO  L129       PetriNetUnfolder]: 413/2727 cut-off events.
[2021-12-21 15:16:33,497 INFO  L130       PetriNetUnfolder]: For 3465/3708 co-relation queries the response was YES.
[2021-12-21 15:16:33,528 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. 
[2021-12-21 15:16:33,535 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 22 selfloop transitions, 5 changer transitions 18/383 dead transitions.
[2021-12-21 15:16:33,535 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 383 transitions, 1658 flow
[2021-12-21 15:16:33,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-21 15:16:33,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-21 15:16:33,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2809 transitions.
[2021-12-21 15:16:33,542 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9152818507657218
[2021-12-21 15:16:33,542 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2809 transitions.
[2021-12-21 15:16:33,542 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2809 transitions.
[2021-12-21 15:16:33,544 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:33,544 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2809 transitions.
[2021-12-21 15:16:33,550 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)
[2021-12-21 15:16:33,555 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)
[2021-12-21 15:16:33,556 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)
[2021-12-21 15:16:33,556 INFO  L186             Difference]: Start difference. First operand has 376 places, 365 transitions, 1537 flow. Second operand 9 states and 2809 transitions.
[2021-12-21 15:16:33,556 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 383 transitions, 1658 flow
[2021-12-21 15:16:33,572 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 383 transitions, 1628 flow, removed 15 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:33,577 INFO  L242             Difference]: Finished difference. Result has 389 places, 360 transitions, 1427 flow
[2021-12-21 15:16:33,577 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}
[2021-12-21 15:16:33,578 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 77 predicate places.
[2021-12-21 15:16:33,578 INFO  L470      AbstractCegarLoop]: Abstraction has has 389 places, 360 transitions, 1427 flow
[2021-12-21 15:16:33,579 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)
[2021-12-21 15:16:33,579 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:33,579 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]
[2021-12-21 15:16:33,579 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-21 15:16:33,580 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:33,580 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:33,580 INFO  L85        PathProgramCache]: Analyzing trace with hash -521787837, now seen corresponding path program 3 times
[2021-12-21 15:16:33,580 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:33,581 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282572057]
[2021-12-21 15:16:33,581 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:33,581 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:33,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:33,651 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:33,651 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:33,652 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282572057]
[2021-12-21 15:16:33,653 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282572057] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:33,654 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:33,654 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:33,654 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601517779]
[2021-12-21 15:16:33,654 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:33,655 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:33,656 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:33,656 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:33,656 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:33,658 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:33,659 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)
[2021-12-21 15:16:33,659 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:33,659 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:33,659 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:34,432 INFO  L129       PetriNetUnfolder]: 421/3575 cut-off events.
[2021-12-21 15:16:34,433 INFO  L130       PetriNetUnfolder]: For 7724/7822 co-relation queries the response was YES.
[2021-12-21 15:16:34,473 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. 
[2021-12-21 15:16:34,486 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 84 selfloop transitions, 12 changer transitions 14/404 dead transitions.
[2021-12-21 15:16:34,486 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 404 transitions, 2101 flow
[2021-12-21 15:16:34,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:34,487 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:34,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions.
[2021-12-21 15:16:34,490 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9237536656891495
[2021-12-21 15:16:34,490 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:34,491 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:34,492 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:34,492 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions.
[2021-12-21 15:16:34,495 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)
[2021-12-21 15:16:34,498 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)
[2021-12-21 15:16:34,498 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)
[2021-12-21 15:16:34,498 INFO  L186             Difference]: Start difference. First operand has 389 places, 360 transitions, 1427 flow. Second operand 5 states and 1575 transitions.
[2021-12-21 15:16:34,498 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 404 transitions, 2101 flow
[2021-12-21 15:16:34,537 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 404 transitions, 2094 flow, removed 3 selfloop flow, removed 3 redundant places.
[2021-12-21 15:16:34,541 INFO  L242             Difference]: Finished difference. Result has 391 places, 366 transitions, 1548 flow
[2021-12-21 15:16:34,542 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}
[2021-12-21 15:16:34,543 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 79 predicate places.
[2021-12-21 15:16:34,543 INFO  L470      AbstractCegarLoop]: Abstraction has has 391 places, 366 transitions, 1548 flow
[2021-12-21 15:16:34,545 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)
[2021-12-21 15:16:34,545 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:34,545 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]
[2021-12-21 15:16:34,546 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-21 15:16:34,546 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:34,546 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:34,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -1926116063, now seen corresponding path program 4 times
[2021-12-21 15:16:34,547 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:34,547 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78043932]
[2021-12-21 15:16:34,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:34,547 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:34,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:34,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:34,610 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:34,610 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78043932]
[2021-12-21 15:16:34,610 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78043932] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:34,611 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:34,611 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:34,611 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098891012]
[2021-12-21 15:16:34,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:34,612 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:34,612 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:34,612 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:34,612 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:34,614 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:34,615 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)
[2021-12-21 15:16:34,615 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:34,615 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:34,615 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:35,217 INFO  L129       PetriNetUnfolder]: 419/3715 cut-off events.
[2021-12-21 15:16:35,217 INFO  L130       PetriNetUnfolder]: For 9249/9476 co-relation queries the response was YES.
[2021-12-21 15:16:35,259 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. 
[2021-12-21 15:16:35,271 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 72 selfloop transitions, 13 changer transitions 16/395 dead transitions.
[2021-12-21 15:16:35,271 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 2078 flow
[2021-12-21 15:16:35,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:35,272 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:35,275 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-21 15:16:35,275 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-21 15:16:35,275 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:35,275 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:35,276 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:35,276 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:35,279 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)
[2021-12-21 15:16:35,283 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)
[2021-12-21 15:16:35,284 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)
[2021-12-21 15:16:35,284 INFO  L186             Difference]: Start difference. First operand has 391 places, 366 transitions, 1548 flow. Second operand 5 states and 1567 transitions.
[2021-12-21 15:16:35,284 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 2078 flow
[2021-12-21 15:16:35,320 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 395 transitions, 2056 flow, removed 11 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:35,325 INFO  L242             Difference]: Finished difference. Result has 396 places, 366 transitions, 1578 flow
[2021-12-21 15:16:35,325 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}
[2021-12-21 15:16:35,326 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 84 predicate places.
[2021-12-21 15:16:35,326 INFO  L470      AbstractCegarLoop]: Abstraction has has 396 places, 366 transitions, 1578 flow
[2021-12-21 15:16:35,326 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)
[2021-12-21 15:16:35,327 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:35,327 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]
[2021-12-21 15:16:35,327 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-21 15:16:35,327 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:35,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:35,328 INFO  L85        PathProgramCache]: Analyzing trace with hash 2134534103, now seen corresponding path program 1 times
[2021-12-21 15:16:35,328 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:35,328 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754336800]
[2021-12-21 15:16:35,328 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:35,328 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:35,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:35,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:35,388 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:35,388 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754336800]
[2021-12-21 15:16:35,388 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754336800] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:35,388 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:35,388 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:35,388 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59392868]
[2021-12-21 15:16:35,389 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:35,389 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:35,389 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:35,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:35,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:35,391 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:35,392 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)
[2021-12-21 15:16:35,392 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:35,392 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:35,392 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:35,945 INFO  L129       PetriNetUnfolder]: 452/3643 cut-off events.
[2021-12-21 15:16:35,945 INFO  L130       PetriNetUnfolder]: For 10583/10593 co-relation queries the response was YES.
[2021-12-21 15:16:35,984 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. 
[2021-12-21 15:16:35,992 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 83 selfloop transitions, 16 changer transitions 14/407 dead transitions.
[2021-12-21 15:16:35,992 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 407 transitions, 2309 flow
[2021-12-21 15:16:35,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:35,992 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:35,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1569 transitions.
[2021-12-21 15:16:35,995 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9202346041055719
[2021-12-21 15:16:35,995 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1569 transitions.
[2021-12-21 15:16:35,995 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1569 transitions.
[2021-12-21 15:16:35,996 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:35,996 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1569 transitions.
[2021-12-21 15:16:35,999 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)
[2021-12-21 15:16:36,001 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)
[2021-12-21 15:16:36,002 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)
[2021-12-21 15:16:36,002 INFO  L186             Difference]: Start difference. First operand has 396 places, 366 transitions, 1578 flow. Second operand 5 states and 1569 transitions.
[2021-12-21 15:16:36,002 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 407 transitions, 2309 flow
[2021-12-21 15:16:36,045 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 407 transitions, 2297 flow, removed 6 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:36,050 INFO  L242             Difference]: Finished difference. Result has 404 places, 373 transitions, 1740 flow
[2021-12-21 15:16:36,050 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}
[2021-12-21 15:16:36,051 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 92 predicate places.
[2021-12-21 15:16:36,051 INFO  L470      AbstractCegarLoop]: Abstraction has has 404 places, 373 transitions, 1740 flow
[2021-12-21 15:16:36,051 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)
[2021-12-21 15:16:36,052 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:36,052 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]
[2021-12-21 15:16:36,052 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-21 15:16:36,052 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:36,053 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:36,053 INFO  L85        PathProgramCache]: Analyzing trace with hash -1231313157, now seen corresponding path program 2 times
[2021-12-21 15:16:36,053 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:36,053 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495502979]
[2021-12-21 15:16:36,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:36,053 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:36,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:36,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:36,109 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:36,109 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495502979]
[2021-12-21 15:16:36,110 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495502979] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:36,110 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:36,110 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:36,110 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518176490]
[2021-12-21 15:16:36,110 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:36,111 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:36,111 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:36,112 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:36,112 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:36,113 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:36,114 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)
[2021-12-21 15:16:36,114 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:36,115 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:36,115 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:36,692 INFO  L129       PetriNetUnfolder]: 419/3451 cut-off events.
[2021-12-21 15:16:36,693 INFO  L130       PetriNetUnfolder]: For 11218/11287 co-relation queries the response was YES.
[2021-12-21 15:16:36,746 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. 
[2021-12-21 15:16:36,756 INFO  L132   encePairwiseOnDemand]: 333/341 looper letters, 89 selfloop transitions, 17 changer transitions 9/409 dead transitions.
[2021-12-21 15:16:36,756 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 409 transitions, 2345 flow
[2021-12-21 15:16:36,757 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:36,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:36,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1573 transitions.
[2021-12-21 15:16:36,760 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9225806451612903
[2021-12-21 15:16:36,760 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1573 transitions.
[2021-12-21 15:16:36,760 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1573 transitions.
[2021-12-21 15:16:36,761 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:36,761 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1573 transitions.
[2021-12-21 15:16:36,764 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)
[2021-12-21 15:16:36,766 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)
[2021-12-21 15:16:36,766 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)
[2021-12-21 15:16:36,766 INFO  L186             Difference]: Start difference. First operand has 404 places, 373 transitions, 1740 flow. Second operand 5 states and 1573 transitions.
[2021-12-21 15:16:36,767 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 409 transitions, 2345 flow
[2021-12-21 15:16:36,809 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 409 transitions, 2290 flow, removed 23 selfloop flow, removed 2 redundant places.
[2021-12-21 15:16:36,814 INFO  L242             Difference]: Finished difference. Result has 410 places, 381 transitions, 1865 flow
[2021-12-21 15:16:36,815 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}
[2021-12-21 15:16:36,815 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 98 predicate places.
[2021-12-21 15:16:36,815 INFO  L470      AbstractCegarLoop]: Abstraction has has 410 places, 381 transitions, 1865 flow
[2021-12-21 15:16:36,816 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)
[2021-12-21 15:16:36,816 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:36,816 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]
[2021-12-21 15:16:36,816 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-21 15:16:36,817 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:36,817 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:36,817 INFO  L85        PathProgramCache]: Analyzing trace with hash -66234203, now seen corresponding path program 1 times
[2021-12-21 15:16:36,817 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:36,817 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240716446]
[2021-12-21 15:16:36,817 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:36,818 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:36,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:36,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:36,885 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:36,885 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240716446]
[2021-12-21 15:16:36,885 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240716446] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:36,886 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:36,886 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:36,886 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784539710]
[2021-12-21 15:16:36,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:36,886 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:36,887 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:36,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:36,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:36,888 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:36,889 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)
[2021-12-21 15:16:36,889 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:36,890 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:36,890 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:37,481 INFO  L129       PetriNetUnfolder]: 417/3568 cut-off events.
[2021-12-21 15:16:37,481 INFO  L130       PetriNetUnfolder]: For 11280/11372 co-relation queries the response was YES.
[2021-12-21 15:16:37,520 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. 
[2021-12-21 15:16:37,529 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 97 selfloop transitions, 18 changer transitions 5/414 dead transitions.
[2021-12-21 15:16:37,529 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 414 transitions, 2427 flow
[2021-12-21 15:16:37,529 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:37,530 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:37,535 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-21 15:16:37,536 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-21 15:16:37,537 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:37,537 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:37,538 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:37,538 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:37,541 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)
[2021-12-21 15:16:37,544 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)
[2021-12-21 15:16:37,544 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)
[2021-12-21 15:16:37,544 INFO  L186             Difference]: Start difference. First operand has 410 places, 381 transitions, 1865 flow. Second operand 5 states and 1574 transitions.
[2021-12-21 15:16:37,544 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 414 transitions, 2427 flow
[2021-12-21 15:16:37,587 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 414 transitions, 2405 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:37,591 INFO  L242             Difference]: Finished difference. Result has 417 places, 388 transitions, 2030 flow
[2021-12-21 15:16:37,592 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}
[2021-12-21 15:16:37,592 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 105 predicate places.
[2021-12-21 15:16:37,592 INFO  L470      AbstractCegarLoop]: Abstraction has has 417 places, 388 transitions, 2030 flow
[2021-12-21 15:16:37,593 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)
[2021-12-21 15:16:37,593 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:37,593 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]
[2021-12-21 15:16:37,593 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-21 15:16:37,593 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:37,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:37,594 INFO  L85        PathProgramCache]: Analyzing trace with hash 299128503, now seen corresponding path program 2 times
[2021-12-21 15:16:37,594 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:37,594 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053995261]
[2021-12-21 15:16:37,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:37,595 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:37,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:37,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:37,661 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:37,661 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053995261]
[2021-12-21 15:16:37,662 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053995261] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:37,662 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:37,662 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:37,662 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839811705]
[2021-12-21 15:16:37,662 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:37,663 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:37,663 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:37,663 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:37,663 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:37,665 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:37,666 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)
[2021-12-21 15:16:37,666 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:37,666 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:37,666 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:38,236 INFO  L129       PetriNetUnfolder]: 415/3517 cut-off events.
[2021-12-21 15:16:38,236 INFO  L130       PetriNetUnfolder]: For 12247/12371 co-relation queries the response was YES.
[2021-12-21 15:16:38,277 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. 
[2021-12-21 15:16:38,286 INFO  L132   encePairwiseOnDemand]: 334/341 looper letters, 100 selfloop transitions, 19 changer transitions 20/433 dead transitions.
[2021-12-21 15:16:38,287 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 433 transitions, 2894 flow
[2021-12-21 15:16:38,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:38,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:38,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions.
[2021-12-21 15:16:38,298 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92316715542522
[2021-12-21 15:16:38,298 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:38,298 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:38,298 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:38,299 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions.
[2021-12-21 15:16:38,301 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)
[2021-12-21 15:16:38,303 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)
[2021-12-21 15:16:38,304 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)
[2021-12-21 15:16:38,304 INFO  L186             Difference]: Start difference. First operand has 417 places, 388 transitions, 2030 flow. Second operand 5 states and 1574 transitions.
[2021-12-21 15:16:38,304 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 433 transitions, 2894 flow
[2021-12-21 15:16:38,355 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 433 transitions, 2872 flow, removed 11 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:38,359 INFO  L242             Difference]: Finished difference. Result has 424 places, 386 transitions, 2058 flow
[2021-12-21 15:16:38,360 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}
[2021-12-21 15:16:38,360 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 112 predicate places.
[2021-12-21 15:16:38,360 INFO  L470      AbstractCegarLoop]: Abstraction has has 424 places, 386 transitions, 2058 flow
[2021-12-21 15:16:38,361 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)
[2021-12-21 15:16:38,361 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:38,361 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]
[2021-12-21 15:16:38,361 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-12-21 15:16:38,361 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:38,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:38,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 543254387, now seen corresponding path program 3 times
[2021-12-21 15:16:38,362 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:38,362 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220161626]
[2021-12-21 15:16:38,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:38,363 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:38,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:38,415 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:38,415 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:38,415 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220161626]
[2021-12-21 15:16:38,415 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220161626] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:38,415 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:38,416 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:38,416 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110298936]
[2021-12-21 15:16:38,416 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:38,417 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:38,417 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:38,417 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:38,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:38,419 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:38,420 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)
[2021-12-21 15:16:38,420 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:38,420 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:38,420 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:39,010 INFO  L129       PetriNetUnfolder]: 369/3165 cut-off events.
[2021-12-21 15:16:39,011 INFO  L130       PetriNetUnfolder]: For 11385/11485 co-relation queries the response was YES.
[2021-12-21 15:16:39,039 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. 
[2021-12-21 15:16:39,048 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 102 selfloop transitions, 17 changer transitions 7/420 dead transitions.
[2021-12-21 15:16:39,048 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 420 transitions, 2701 flow
[2021-12-21 15:16:39,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:39,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:39,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions.
[2021-12-21 15:16:39,051 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9190615835777126
[2021-12-21 15:16:39,051 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:39,051 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:39,051 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:39,051 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions.
[2021-12-21 15:16:39,053 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)
[2021-12-21 15:16:39,055 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)
[2021-12-21 15:16:39,056 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-21 15:16:39,056 INFO  L186             Difference]: Start difference. First operand has 424 places, 386 transitions, 2058 flow. Second operand 5 states and 1567 transitions.
[2021-12-21 15:16:39,056 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 420 transitions, 2701 flow
[2021-12-21 15:16:39,090 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 420 transitions, 2632 flow, removed 29 selfloop flow, removed 3 redundant places.
[2021-12-21 15:16:39,095 INFO  L242             Difference]: Finished difference. Result has 426 places, 391 transitions, 2128 flow
[2021-12-21 15:16:39,095 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}
[2021-12-21 15:16:39,095 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 114 predicate places.
[2021-12-21 15:16:39,095 INFO  L470      AbstractCegarLoop]: Abstraction has has 426 places, 391 transitions, 2128 flow
[2021-12-21 15:16:39,096 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)
[2021-12-21 15:16:39,096 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:39,096 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]
[2021-12-21 15:16:39,096 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-12-21 15:16:39,096 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:39,097 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:39,097 INFO  L85        PathProgramCache]: Analyzing trace with hash -1524011439, now seen corresponding path program 4 times
[2021-12-21 15:16:39,097 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:39,097 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510240048]
[2021-12-21 15:16:39,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:39,098 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:39,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:39,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:39,150 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:39,150 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510240048]
[2021-12-21 15:16:39,150 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510240048] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:39,150 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:39,150 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:39,150 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36222689]
[2021-12-21 15:16:39,150 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:39,151 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:39,151 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:39,151 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:39,152 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:39,153 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:39,154 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)
[2021-12-21 15:16:39,154 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:39,154 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:39,154 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:39,682 INFO  L129       PetriNetUnfolder]: 367/3106 cut-off events.
[2021-12-21 15:16:39,682 INFO  L130       PetriNetUnfolder]: For 11010/11113 co-relation queries the response was YES.
[2021-12-21 15:16:39,724 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. 
[2021-12-21 15:16:39,733 INFO  L132   encePairwiseOnDemand]: 335/341 looper letters, 96 selfloop transitions, 16 changer transitions 10/416 dead transitions.
[2021-12-21 15:16:39,733 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 416 transitions, 2643 flow
[2021-12-21 15:16:39,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:39,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:39,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1564 transitions.
[2021-12-21 15:16:39,735 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9173020527859238
[2021-12-21 15:16:39,735 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1564 transitions.
[2021-12-21 15:16:39,735 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1564 transitions.
[2021-12-21 15:16:39,735 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:39,735 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1564 transitions.
[2021-12-21 15:16:39,737 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)
[2021-12-21 15:16:39,738 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)
[2021-12-21 15:16:39,739 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)
[2021-12-21 15:16:39,739 INFO  L186             Difference]: Start difference. First operand has 426 places, 391 transitions, 2128 flow. Second operand 5 states and 1564 transitions.
[2021-12-21 15:16:39,739 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 416 transitions, 2643 flow
[2021-12-21 15:16:39,785 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 416 transitions, 2604 flow, removed 9 selfloop flow, removed 2 redundant places.
[2021-12-21 15:16:39,790 INFO  L242             Difference]: Finished difference. Result has 430 places, 392 transitions, 2164 flow
[2021-12-21 15:16:39,791 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2076, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2164, PETRI_PLACES=430, PETRI_TRANSITIONS=392}
[2021-12-21 15:16:39,792 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 118 predicate places.
[2021-12-21 15:16:39,792 INFO  L470      AbstractCegarLoop]: Abstraction has has 430 places, 392 transitions, 2164 flow
[2021-12-21 15:16:39,792 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-21 15:16:39,792 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:39,793 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-21 15:16:39,793 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-12-21 15:16:39,793 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:39,793 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:39,794 INFO  L85        PathProgramCache]: Analyzing trace with hash -1854010667, now seen corresponding path program 1 times
[2021-12-21 15:16:39,794 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:39,794 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037231185]
[2021-12-21 15:16:39,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:39,794 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:39,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:39,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:39,861 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:39,862 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037231185]
[2021-12-21 15:16:39,862 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037231185] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:39,862 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:39,862 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:39,862 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644780794]
[2021-12-21 15:16:39,862 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:39,863 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:39,863 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:39,863 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:39,864 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:39,865 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:39,866 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)
[2021-12-21 15:16:39,866 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:39,866 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:39,866 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:40,400 INFO  L129       PetriNetUnfolder]: 399/3056 cut-off events.
[2021-12-21 15:16:40,400 INFO  L130       PetriNetUnfolder]: For 10907/10917 co-relation queries the response was YES.
[2021-12-21 15:16:40,437 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. 
[2021-12-21 15:16:40,444 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 102 selfloop transitions, 26 changer transitions 18/440 dead transitions.
[2021-12-21 15:16:40,444 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 440 transitions, 3172 flow
[2021-12-21 15:16:40,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:40,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:40,445 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions.
[2021-12-21 15:16:40,446 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9219941348973607
[2021-12-21 15:16:40,446 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:40,446 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:40,446 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:40,446 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions.
[2021-12-21 15:16:40,448 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 314.4) internal successors, (1572), 5 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-21 15:16:40,450 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-21 15:16:40,451 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)
[2021-12-21 15:16:40,451 INFO  L186             Difference]: Start difference. First operand has 430 places, 392 transitions, 2164 flow. Second operand 5 states and 1572 transitions.
[2021-12-21 15:16:40,451 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 440 transitions, 3172 flow
[2021-12-21 15:16:40,505 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 440 transitions, 3160 flow, removed 4 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:40,511 INFO  L242             Difference]: Finished difference. Result has 437 places, 392 transitions, 2293 flow
[2021-12-21 15:16:40,512 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}
[2021-12-21 15:16:40,512 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 125 predicate places.
[2021-12-21 15:16:40,512 INFO  L470      AbstractCegarLoop]: Abstraction has has 437 places, 392 transitions, 2293 flow
[2021-12-21 15:16:40,513 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)
[2021-12-21 15:16:40,513 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:40,513 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]
[2021-12-21 15:16:40,513 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-12-21 15:16:40,514 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:40,514 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:40,514 INFO  L85        PathProgramCache]: Analyzing trace with hash 1432073873, now seen corresponding path program 1 times
[2021-12-21 15:16:40,514 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:40,514 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786027220]
[2021-12-21 15:16:40,515 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:40,515 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:40,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:40,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:40,563 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:40,563 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786027220]
[2021-12-21 15:16:40,564 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786027220] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:40,564 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:40,564 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:40,564 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366090046]
[2021-12-21 15:16:40,564 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:40,565 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:40,565 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:40,565 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:40,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:40,567 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:40,567 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)
[2021-12-21 15:16:40,568 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:40,568 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:40,568 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:41,075 INFO  L129       PetriNetUnfolder]: 339/2786 cut-off events.
[2021-12-21 15:16:41,075 INFO  L130       PetriNetUnfolder]: For 12020/12044 co-relation queries the response was YES.
[2021-12-21 15:16:41,108 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. 
[2021-12-21 15:16:41,116 INFO  L132   encePairwiseOnDemand]: 332/341 looper letters, 122 selfloop transitions, 25 changer transitions 9/450 dead transitions.
[2021-12-21 15:16:41,116 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 450 transitions, 3457 flow
[2021-12-21 15:16:41,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:41,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:41,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions.
[2021-12-21 15:16:41,118 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9255131964809384
[2021-12-21 15:16:41,118 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:41,118 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:41,118 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:41,118 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions.
[2021-12-21 15:16:41,120 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)
[2021-12-21 15:16:41,122 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)
[2021-12-21 15:16:41,122 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)
[2021-12-21 15:16:41,122 INFO  L186             Difference]: Start difference. First operand has 437 places, 392 transitions, 2293 flow. Second operand 5 states and 1578 transitions.
[2021-12-21 15:16:41,122 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 450 transitions, 3457 flow
[2021-12-21 15:16:41,160 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 450 transitions, 3379 flow, removed 25 selfloop flow, removed 3 redundant places.
[2021-12-21 15:16:41,164 INFO  L242             Difference]: Finished difference. Result has 442 places, 401 transitions, 2507 flow
[2021-12-21 15:16:41,164 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}
[2021-12-21 15:16:41,165 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 130 predicate places.
[2021-12-21 15:16:41,165 INFO  L470      AbstractCegarLoop]: Abstraction has has 442 places, 401 transitions, 2507 flow
[2021-12-21 15:16:41,165 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)
[2021-12-21 15:16:41,165 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:41,166 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]
[2021-12-21 15:16:41,166 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-12-21 15:16:41,166 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:41,166 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:41,166 INFO  L85        PathProgramCache]: Analyzing trace with hash 598045953, now seen corresponding path program 2 times
[2021-12-21 15:16:41,166 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:41,166 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604732509]
[2021-12-21 15:16:41,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:41,167 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:41,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:41,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:41,226 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:41,226 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604732509]
[2021-12-21 15:16:41,226 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604732509] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:41,226 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:41,226 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:41,227 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303540168]
[2021-12-21 15:16:41,227 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:41,227 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:41,227 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:41,228 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:41,228 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:41,229 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:41,230 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)
[2021-12-21 15:16:41,230 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:41,230 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:41,230 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:41,900 INFO  L129       PetriNetUnfolder]: 348/2932 cut-off events.
[2021-12-21 15:16:41,900 INFO  L130       PetriNetUnfolder]: For 12709/12783 co-relation queries the response was YES.
[2021-12-21 15:16:41,956 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. 
[2021-12-21 15:16:41,969 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 124 selfloop transitions, 34 changer transitions 7/459 dead transitions.
[2021-12-21 15:16:41,969 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 459 transitions, 3634 flow
[2021-12-21 15:16:41,969 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:41,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:41,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1579 transitions.
[2021-12-21 15:16:41,971 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9260997067448681
[2021-12-21 15:16:41,971 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1579 transitions.
[2021-12-21 15:16:41,972 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1579 transitions.
[2021-12-21 15:16:41,972 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:41,972 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1579 transitions.
[2021-12-21 15:16:41,974 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)
[2021-12-21 15:16:41,975 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)
[2021-12-21 15:16:41,976 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)
[2021-12-21 15:16:41,976 INFO  L186             Difference]: Start difference. First operand has 442 places, 401 transitions, 2507 flow. Second operand 5 states and 1579 transitions.
[2021-12-21 15:16:41,976 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 459 transitions, 3634 flow
[2021-12-21 15:16:42,034 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 459 transitions, 3588 flow, removed 19 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:42,040 INFO  L242             Difference]: Finished difference. Result has 449 places, 415 transitions, 2882 flow
[2021-12-21 15:16:42,041 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}
[2021-12-21 15:16:42,042 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 137 predicate places.
[2021-12-21 15:16:42,042 INFO  L470      AbstractCegarLoop]: Abstraction has has 449 places, 415 transitions, 2882 flow
[2021-12-21 15:16:42,042 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)
[2021-12-21 15:16:42,042 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:42,043 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]
[2021-12-21 15:16:42,043 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-12-21 15:16:42,043 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:42,043 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:42,044 INFO  L85        PathProgramCache]: Analyzing trace with hash 875340509, now seen corresponding path program 2 times
[2021-12-21 15:16:42,044 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:42,044 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285654146]
[2021-12-21 15:16:42,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:42,044 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:42,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:42,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:42,100 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:42,100 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285654146]
[2021-12-21 15:16:42,100 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285654146] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:42,100 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:42,101 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-21 15:16:42,101 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175904093]
[2021-12-21 15:16:42,101 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:42,101 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-21 15:16:42,102 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:42,102 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-21 15:16:42,102 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-21 15:16:42,103 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341
[2021-12-21 15:16:42,104 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)
[2021-12-21 15:16:42,104 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:42,104 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341
[2021-12-21 15:16:42,105 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:42,645 INFO  L129       PetriNetUnfolder]: 351/2788 cut-off events.
[2021-12-21 15:16:42,645 INFO  L130       PetriNetUnfolder]: For 13495/13559 co-relation queries the response was YES.
[2021-12-21 15:16:42,671 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. 
[2021-12-21 15:16:42,678 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 119 selfloop transitions, 38 changer transitions 6/457 dead transitions.
[2021-12-21 15:16:42,678 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 457 transitions, 3795 flow
[2021-12-21 15:16:42,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-21 15:16:42,678 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-21 15:16:42,679 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1576 transitions.
[2021-12-21 15:16:42,679 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9243401759530792
[2021-12-21 15:16:42,679 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1576 transitions.
[2021-12-21 15:16:42,679 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1576 transitions.
[2021-12-21 15:16:42,680 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:42,680 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1576 transitions.
[2021-12-21 15:16:42,681 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)
[2021-12-21 15:16:42,682 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)
[2021-12-21 15:16:42,683 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)
[2021-12-21 15:16:42,683 INFO  L186             Difference]: Start difference. First operand has 449 places, 415 transitions, 2882 flow. Second operand 5 states and 1576 transitions.
[2021-12-21 15:16:42,683 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 457 transitions, 3795 flow
[2021-12-21 15:16:42,723 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 457 transitions, 3730 flow, removed 31 selfloop flow, removed 1 redundant places.
[2021-12-21 15:16:42,728 INFO  L242             Difference]: Finished difference. Result has 456 places, 424 transitions, 3168 flow
[2021-12-21 15:16:42,728 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}
[2021-12-21 15:16:42,729 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 144 predicate places.
[2021-12-21 15:16:42,729 INFO  L470      AbstractCegarLoop]: Abstraction has has 456 places, 424 transitions, 3168 flow
[2021-12-21 15:16:42,729 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)
[2021-12-21 15:16:42,730 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:42,730 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]
[2021-12-21 15:16:42,730 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-12-21 15:16:42,730 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:42,731 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:42,731 INFO  L85        PathProgramCache]: Analyzing trace with hash -663131617, now seen corresponding path program 1 times
[2021-12-21 15:16:42,731 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:42,731 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053011392]
[2021-12-21 15:16:42,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:42,731 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:42,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:42,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:42,821 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:42,821 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053011392]
[2021-12-21 15:16:42,821 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053011392] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:42,821 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:42,821 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-21 15:16:42,821 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332912471]
[2021-12-21 15:16:42,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:42,822 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-21 15:16:42,822 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:42,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-21 15:16:42,823 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-12-21 15:16:42,824 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 305 out of 341
[2021-12-21 15:16:42,826 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)
[2021-12-21 15:16:42,826 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:42,826 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 341
[2021-12-21 15:16:42,826 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:43,495 INFO  L129       PetriNetUnfolder]: 272/2780 cut-off events.
[2021-12-21 15:16:43,495 INFO  L130       PetriNetUnfolder]: For 9471/9783 co-relation queries the response was YES.
[2021-12-21 15:16:43,538 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. 
[2021-12-21 15:16:43,544 INFO  L132   encePairwiseOnDemand]: 331/341 looper letters, 35 selfloop transitions, 7 changer transitions 10/450 dead transitions.
[2021-12-21 15:16:43,545 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 450 transitions, 3333 flow
[2021-12-21 15:16:43,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-21 15:16:43,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-21 15:16:43,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3402 transitions.
[2021-12-21 15:16:43,547 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9069581444948014
[2021-12-21 15:16:43,547 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3402 transitions.
[2021-12-21 15:16:43,548 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3402 transitions.
[2021-12-21 15:16:43,548 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:43,549 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3402 transitions.
[2021-12-21 15:16:43,552 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)
[2021-12-21 15:16:43,556 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)
[2021-12-21 15:16:43,556 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)
[2021-12-21 15:16:43,556 INFO  L186             Difference]: Start difference. First operand has 456 places, 424 transitions, 3168 flow. Second operand 11 states and 3402 transitions.
[2021-12-21 15:16:43,557 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 450 transitions, 3333 flow
[2021-12-21 15:16:43,610 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 450 transitions, 3289 flow, removed 22 selfloop flow, removed 0 redundant places.
[2021-12-21 15:16:43,616 INFO  L242             Difference]: Finished difference. Result has 475 places, 424 transitions, 3060 flow
[2021-12-21 15:16:43,617 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}
[2021-12-21 15:16:43,618 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 163 predicate places.
[2021-12-21 15:16:43,618 INFO  L470      AbstractCegarLoop]: Abstraction has has 475 places, 424 transitions, 3060 flow
[2021-12-21 15:16:43,618 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)
[2021-12-21 15:16:43,619 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:43,619 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]
[2021-12-21 15:16:43,619 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-12-21 15:16:43,619 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:43,619 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:43,620 INFO  L85        PathProgramCache]: Analyzing trace with hash 1873514764, now seen corresponding path program 1 times
[2021-12-21 15:16:43,620 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:43,620 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175543767]
[2021-12-21 15:16:43,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:43,620 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:43,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:43,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:43,737 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:43,737 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175543767]
[2021-12-21 15:16:43,737 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175543767] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:43,738 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:43,738 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-12-21 15:16:43,738 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393459721]
[2021-12-21 15:16:43,738 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:43,739 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-12-21 15:16:43,739 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:43,739 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-12-21 15:16:43,740 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2021-12-21 15:16:43,742 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 301 out of 341
[2021-12-21 15:16:43,743 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)
[2021-12-21 15:16:43,743 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:43,744 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 341
[2021-12-21 15:16:43,744 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-21 15:16:45,611 INFO  L129       PetriNetUnfolder]: 2145/8999 cut-off events.
[2021-12-21 15:16:45,611 INFO  L130       PetriNetUnfolder]: For 14558/15346 co-relation queries the response was YES.
[2021-12-21 15:16:45,734 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. 
[2021-12-21 15:16:45,758 INFO  L132   encePairwiseOnDemand]: 328/341 looper letters, 78 selfloop transitions, 12 changer transitions 4/489 dead transitions.
[2021-12-21 15:16:45,758 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 489 transitions, 3510 flow
[2021-12-21 15:16:45,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-12-21 15:16:45,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-12-21 15:16:45,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4291 transitions.
[2021-12-21 15:16:45,761 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8988269794721407
[2021-12-21 15:16:45,761 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 4291 transitions.
[2021-12-21 15:16:45,761 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 4291 transitions.
[2021-12-21 15:16:45,761 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-21 15:16:45,762 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4291 transitions.
[2021-12-21 15:16:45,766 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)
[2021-12-21 15:16:45,770 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)
[2021-12-21 15:16:45,771 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)
[2021-12-21 15:16:45,771 INFO  L186             Difference]: Start difference. First operand has 475 places, 424 transitions, 3060 flow. Second operand 14 states and 4291 transitions.
[2021-12-21 15:16:45,771 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 489 transitions, 3510 flow
[2021-12-21 15:16:45,862 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 489 transitions, 3494 flow, removed 7 selfloop flow, removed 4 redundant places.
[2021-12-21 15:16:45,868 INFO  L242             Difference]: Finished difference. Result has 491 places, 430 transitions, 3118 flow
[2021-12-21 15:16:45,869 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}
[2021-12-21 15:16:45,870 INFO  L334   CegarLoopForPetriNet]: 312 programPoint places, 179 predicate places.
[2021-12-21 15:16:45,870 INFO  L470      AbstractCegarLoop]: Abstraction has has 491 places, 430 transitions, 3118 flow
[2021-12-21 15:16:45,871 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)
[2021-12-21 15:16:45,871 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-21 15:16:45,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-21 15:16:45,871 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-12-21 15:16:45,872 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-21 15:16:45,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-21 15:16:45,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -930111915, now seen corresponding path program 1 times
[2021-12-21 15:16:45,872 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-21 15:16:45,872 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158089182]
[2021-12-21 15:16:45,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-21 15:16:45,873 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-21 15:16:45,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-21 15:16:46,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-21 15:16:46,612 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-21 15:16:46,612 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158089182]
[2021-12-21 15:16:46,613 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158089182] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-21 15:16:46,613 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-21 15:16:46,613 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40
[2021-12-21 15:16:46,613 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537640441]
[2021-12-21 15:16:46,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-21 15:16:46,613 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2021-12-21 15:16:46,613 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-21 15:16:46,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2021-12-21 15:16:46,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560
[2021-12-21 15:16:46,620 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 225 out of 341
[2021-12-21 15:16:46,625 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)
[2021-12-21 15:16:46,625 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-21 15:16:46,625 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 341
[2021-12-21 15:16:46,625 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand