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


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


Checking for ERROR reachability
Using default analysis
Version c3fed411
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-name-comparator-symm.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 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
--- Real Ultimate output ---
This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41
[2021-12-16 03:01:37,332 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-16 03:01:37,333 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-16 03:01:37,382 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-16 03:01:37,384 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-16 03:01:37,387 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-16 03:01:37,389 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-16 03:01:37,393 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-16 03:01:37,394 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-16 03:01:37,395 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-16 03:01:37,396 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-16 03:01:37,397 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-16 03:01:37,398 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-16 03:01:37,400 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-16 03:01:37,402 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-16 03:01:37,403 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-16 03:01:37,405 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-16 03:01:37,410 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-16 03:01:37,411 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-16 03:01:37,413 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-16 03:01:37,417 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-16 03:01:37,418 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-16 03:01:37,419 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-16 03:01:37,419 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-16 03:01:37,421 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-16 03:01:37,423 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-16 03:01:37,425 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-16 03:01:37,425 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-16 03:01:37,426 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-16 03:01:37,427 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-16 03:01:37,427 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-16 03:01:37,428 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-16 03:01:37,428 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-16 03:01:37,429 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-16 03:01:37,429 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-16 03:01:37,430 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-16 03:01:37,430 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-16 03:01:37,430 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-16 03:01:37,431 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-16 03:01:37,431 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-16 03:01:37,433 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-16 03:01:37,433 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-16 03:01:37,454 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-16 03:01:37,455 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-16 03:01:37,455 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-16 03:01:37,455 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-16 03:01:37,456 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-16 03:01:37,456 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-16 03:01:37,456 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-16 03:01:37,456 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-16 03:01:37,457 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-16 03:01:37,457 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-16 03:01:37,457 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-16 03:01:37,457 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-16 03:01:37,457 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-16 03:01:37,457 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-16 03:01:37,458 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-16 03:01:37,459 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-16 03:01:37,459 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-16 03:01:37,459 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-16 03:01:37,459 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-16 03:01:37,459 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-16 03:01:37,459 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-16 03:01:37,460 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-16 03:01:37,461 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-16 03:01:37,461 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-16 03:01:37,461 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 -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
[2021-12-16 03:01:37,684 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-16 03:01:37,708 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-16 03:01:37,710 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-16 03:01:37,711 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-16 03:01:37,711 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-16 03:01:37,712 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2021-12-16 03:01:37,752 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4fabc0e/566382887b3b438ca6ca78eb21089eec/FLAGb207f9a97
[2021-12-16 03:01:38,086 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-16 03:01:38,086 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2021-12-16 03:01:38,092 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4fabc0e/566382887b3b438ca6ca78eb21089eec/FLAGb207f9a97
[2021-12-16 03:01:38,491 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf4fabc0e/566382887b3b438ca6ca78eb21089eec
[2021-12-16 03:01:38,493 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-16 03:01:38,494 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-16 03:01:38,495 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-16 03:01:38,495 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-16 03:01:38,501 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-16 03:01:38,502 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,503 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239b078d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38, skipping insertion in model container
[2021-12-16 03:01:38,505 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,516 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-16 03:01:38,543 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-16 03:01:38,690 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-name-comparator-symm.wvr.c[3856,3869]
[2021-12-16 03:01:38,697 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-16 03:01:38,705 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-16 03:01:38,728 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-name-comparator-symm.wvr.c[3856,3869]
[2021-12-16 03:01:38,731 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-16 03:01:38,741 INFO  L208         MainTranslator]: Completed translation
[2021-12-16 03:01:38,742 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38 WrapperNode
[2021-12-16 03:01:38,742 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-16 03:01:38,743 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-16 03:01:38,743 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-16 03:01:38,743 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-16 03:01:38,754 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,764 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,791 INFO  L137                Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 278
[2021-12-16 03:01:38,792 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-16 03:01:38,792 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-16 03:01:38,792 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-16 03:01:38,793 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-16 03:01:38,800 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,800 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,804 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,804 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,811 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,816 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,818 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,821 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-16 03:01:38,822 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-16 03:01:38,822 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-16 03:01:38,822 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-16 03:01:38,823 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (1/1) ...
[2021-12-16 03:01:38,843 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-16 03:01:38,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-16 03:01:38,869 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)
[2021-12-16 03:01:38,871 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
[2021-12-16 03:01:38,903 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-16 03:01:38,903 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-16 03:01:38,904 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-16 03:01:38,904 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-16 03:01:38,904 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-16 03:01:38,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-16 03:01:38,904 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-16 03:01:38,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-16 03:01:38,904 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-16 03:01:38,905 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-12-16 03:01:38,905 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-16 03:01:38,905 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-16 03:01:38,905 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-16 03:01:38,906 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-16 03:01:38,978 INFO  L236             CfgBuilder]: Building ICFG
[2021-12-16 03:01:38,987 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-16 03:01:39,355 INFO  L277             CfgBuilder]: Performing block encoding
[2021-12-16 03:01:39,364 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-16 03:01:39,365 INFO  L301             CfgBuilder]: Removed 3 assume(true) statements.
[2021-12-16 03:01:39,367 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:01:39 BoogieIcfgContainer
[2021-12-16 03:01:39,367 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-16 03:01:39,368 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-16 03:01:39,368 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-16 03:01:39,371 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-16 03:01:39,371 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:01:38" (1/3) ...
[2021-12-16 03:01:39,372 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c29e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:01:39, skipping insertion in model container
[2021-12-16 03:01:39,372 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:38" (2/3) ...
[2021-12-16 03:01:39,373 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c29e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:01:39, skipping insertion in model container
[2021-12-16 03:01:39,373 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:01:39" (3/3) ...
[2021-12-16 03:01:39,374 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c
[2021-12-16 03:01:39,377 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-16 03:01:39,378 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-16 03:01:39,378 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-16 03:01:39,378 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-16 03:01:39,418 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,419 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,419 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,420 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,421 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,422 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,423 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,424 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,425 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,425 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,425 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,425 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,425 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,426 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,427 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,427 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,431 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,432 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,432 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,432 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,432 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,432 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,433 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,434 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,435 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,435 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,435 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,435 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,442 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,443 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,443 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,443 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,444 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,444 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,445 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,445 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,445 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,445 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,449 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,450 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,451 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,451 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,451 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,451 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,452 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,452 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,452 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,452 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,453 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,454 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,455 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,456 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,457 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,457 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,457 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,457 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,458 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,459 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,459 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,459 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,459 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,460 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,461 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,462 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,463 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,463 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,463 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,465 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,466 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,466 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,466 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,466 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,466 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,514 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,515 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,516 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,517 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,518 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,519 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,522 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,522 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,522 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,522 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,522 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,523 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,524 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,525 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,525 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,525 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,525 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,533 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,533 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,533 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,533 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,534 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,534 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,534 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,534 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,534 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,535 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,535 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,535 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,535 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,536 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,536 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,537 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,538 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,538 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,538 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,538 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,538 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,539 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,539 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,543 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,544 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,544 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,544 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,545 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,545 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,545 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,546 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,547 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,547 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,547 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,547 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,548 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,549 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,550 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,551 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,552 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,552 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,552 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,552 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,556 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,557 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,557 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,557 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,558 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,558 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,558 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,558 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,558 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,559 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,560 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,560 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,560 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,560 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,560 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,561 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,563 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,570 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,570 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,571 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,571 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,571 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,571 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,573 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,573 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,574 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,575 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,575 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,575 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,575 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,575 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,578 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,579 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-16 03:01:39,581 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-12-16 03:01:39,626 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-16 03:01:39,631 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
[2021-12-16 03:01:39,631 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-12-16 03:01:39,644 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 325 places, 353 transitions, 722 flow
[2021-12-16 03:01:39,766 INFO  L129       PetriNetUnfolder]: 35/351 cut-off events.
[2021-12-16 03:01:39,767 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-12-16 03:01:39,779 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 360 conditions, 351 events. 35/351 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 737 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place. 
[2021-12-16 03:01:39,783 INFO  L82        GeneralOperation]: Start removeDead. Operand has 325 places, 353 transitions, 722 flow
[2021-12-16 03:01:39,789 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 314 places, 342 transitions, 696 flow
[2021-12-16 03:01:39,833 INFO  L129       PetriNetUnfolder]: 35/341 cut-off events.
[2021-12-16 03:01:39,835 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-12-16 03:01:39,835 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:39,836 INFO  L254   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:39,836 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:39,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:39,841 INFO  L85        PathProgramCache]: Analyzing trace with hash -1977256279, now seen corresponding path program 1 times
[2021-12-16 03:01:39,848 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:39,848 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390022951]
[2021-12-16 03:01:39,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:39,849 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:40,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:40,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:40,104 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:40,104 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390022951]
[2021-12-16 03:01:40,104 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390022951] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:40,104 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:40,105 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-12-16 03:01:40,106 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119193667]
[2021-12-16 03:01:40,106 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:40,113 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-12-16 03:01:40,113 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:40,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-12-16 03:01:40,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-12-16 03:01:40,134 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 334 out of 353
[2021-12-16 03:01:40,138 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 342 transitions, 696 flow. Second operand  has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,139 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:40,139 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 353
[2021-12-16 03:01:40,140 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:40,191 INFO  L129       PetriNetUnfolder]: 21/328 cut-off events.
[2021-12-16 03:01:40,191 INFO  L130       PetriNetUnfolder]: For 8/9 co-relation queries the response was YES.
[2021-12-16 03:01:40,195 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 342 conditions, 328 events. 21/328 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 0 based on Foata normal form. 17/313 useless extension candidates. Maximal degree in co-relation 202. Up to 5 conditions per place. 
[2021-12-16 03:01:40,197 INFO  L132   encePairwiseOnDemand]: 339/353 looper letters, 4 selfloop transitions, 0 changer transitions 3/328 dead transitions.
[2021-12-16 03:01:40,197 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 328 transitions, 676 flow
[2021-12-16 03:01:40,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-12-16 03:01:40,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2021-12-16 03:01:40,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 686 transitions.
[2021-12-16 03:01:40,208 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9716713881019831
[2021-12-16 03:01:40,209 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 686 transitions.
[2021-12-16 03:01:40,209 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 686 transitions.
[2021-12-16 03:01:40,211 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:40,216 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 686 transitions.
[2021-12-16 03:01:40,222 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 343.0) internal successors, (686), 2 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,235 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,236 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,238 INFO  L186             Difference]: Start difference. First operand has 314 places, 342 transitions, 696 flow. Second operand 2 states and 686 transitions.
[2021-12-16 03:01:40,239 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 328 transitions, 676 flow
[2021-12-16 03:01:40,244 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 328 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places.
[2021-12-16 03:01:40,252 INFO  L242             Difference]: Finished difference. Result has 311 places, 325 transitions, 654 flow
[2021-12-16 03:01:40,254 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=654, PETRI_PLACES=311, PETRI_TRANSITIONS=325}
[2021-12-16 03:01:40,260 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, -3 predicate places.
[2021-12-16 03:01:40,260 INFO  L470      AbstractCegarLoop]: Abstraction has has 311 places, 325 transitions, 654 flow
[2021-12-16 03:01:40,261 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,261 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:40,261 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]
[2021-12-16 03:01:40,261 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-16 03:01:40,262 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:40,262 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:40,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 1672738487, now seen corresponding path program 1 times
[2021-12-16 03:01:40,262 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:40,263 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599855168]
[2021-12-16 03:01:40,263 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:40,263 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:40,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:40,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:40,392 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:40,392 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599855168]
[2021-12-16 03:01:40,393 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599855168] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:40,393 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:40,393 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-12-16 03:01:40,393 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846946928]
[2021-12-16 03:01:40,393 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:40,396 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-12-16 03:01:40,396 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:40,397 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-12-16 03:01:40,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-12-16 03:01:40,400 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 304 out of 353
[2021-12-16 03:01:40,401 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 325 transitions, 654 flow. Second operand  has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,401 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:40,402 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 353
[2021-12-16 03:01:40,402 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:40,948 INFO  L129       PetriNetUnfolder]: 642/3582 cut-off events.
[2021-12-16 03:01:40,949 INFO  L130       PetriNetUnfolder]: For 40/40 co-relation queries the response was YES.
[2021-12-16 03:01:40,959 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4430 conditions, 3582 events. 642/3582 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 33579 event pairs, 264 based on Foata normal form. 0/3053 useless extension candidates. Maximal degree in co-relation 4427. Up to 505 conditions per place. 
[2021-12-16 03:01:40,973 INFO  L132   encePairwiseOnDemand]: 345/353 looper letters, 55 selfloop transitions, 4 changer transitions 0/350 dead transitions.
[2021-12-16 03:01:40,974 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 350 transitions, 825 flow
[2021-12-16 03:01:40,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-12-16 03:01:40,975 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-12-16 03:01:40,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions.
[2021-12-16 03:01:40,978 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9206798866855525
[2021-12-16 03:01:40,978 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 975 transitions.
[2021-12-16 03:01:40,978 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 975 transitions.
[2021-12-16 03:01:40,979 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:40,980 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 975 transitions.
[2021-12-16 03:01:40,982 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,985 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,986 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,986 INFO  L186             Difference]: Start difference. First operand has 311 places, 325 transitions, 654 flow. Second operand 3 states and 975 transitions.
[2021-12-16 03:01:40,986 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 350 transitions, 825 flow
[2021-12-16 03:01:40,988 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 350 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-12-16 03:01:40,994 INFO  L242             Difference]: Finished difference. Result has 312 places, 329 transitions, 694 flow
[2021-12-16 03:01:40,994 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=312, PETRI_TRANSITIONS=329}
[2021-12-16 03:01:40,995 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, -2 predicate places.
[2021-12-16 03:01:40,995 INFO  L470      AbstractCegarLoop]: Abstraction has has 312 places, 329 transitions, 694 flow
[2021-12-16 03:01:40,996 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:40,996 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:40,996 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]
[2021-12-16 03:01:40,996 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-16 03:01:40,997 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:40,997 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:40,997 INFO  L85        PathProgramCache]: Analyzing trace with hash 1890052835, now seen corresponding path program 1 times
[2021-12-16 03:01:40,997 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:40,998 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743194102]
[2021-12-16 03:01:40,998 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:40,998 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:41,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:41,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:41,087 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:41,087 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743194102]
[2021-12-16 03:01:41,088 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743194102] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:41,088 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:41,088 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-12-16 03:01:41,088 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467608668]
[2021-12-16 03:01:41,088 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:41,088 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-12-16 03:01:41,088 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:41,089 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-12-16 03:01:41,089 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-12-16 03:01:41,090 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 304 out of 353
[2021-12-16 03:01:41,091 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 329 transitions, 694 flow. Second operand  has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,091 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:41,091 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 353
[2021-12-16 03:01:41,091 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:41,457 INFO  L129       PetriNetUnfolder]: 475/3127 cut-off events.
[2021-12-16 03:01:41,457 INFO  L130       PetriNetUnfolder]: For 259/259 co-relation queries the response was YES.
[2021-12-16 03:01:41,465 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3127 events. 475/3127 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 29491 event pairs, 253 based on Foata normal form. 49/2760 useless extension candidates. Maximal degree in co-relation 3884. Up to 317 conditions per place. 
[2021-12-16 03:01:41,474 INFO  L132   encePairwiseOnDemand]: 347/353 looper letters, 57 selfloop transitions, 2 changer transitions 0/350 dead transitions.
[2021-12-16 03:01:41,475 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 350 transitions, 853 flow
[2021-12-16 03:01:41,475 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-12-16 03:01:41,475 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-12-16 03:01:41,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions.
[2021-12-16 03:01:41,477 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9187913125590179
[2021-12-16 03:01:41,477 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 973 transitions.
[2021-12-16 03:01:41,477 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions.
[2021-12-16 03:01:41,477 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:41,478 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions.
[2021-12-16 03:01:41,479 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,481 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,482 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,482 INFO  L186             Difference]: Start difference. First operand has 312 places, 329 transitions, 694 flow. Second operand 3 states and 973 transitions.
[2021-12-16 03:01:41,482 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 350 transitions, 853 flow
[2021-12-16 03:01:41,484 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 350 transitions, 851 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-16 03:01:41,488 INFO  L242             Difference]: Finished difference. Result has 315 places, 329 transitions, 704 flow
[2021-12-16 03:01:41,488 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=315, PETRI_TRANSITIONS=329}
[2021-12-16 03:01:41,490 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 1 predicate places.
[2021-12-16 03:01:41,491 INFO  L470      AbstractCegarLoop]: Abstraction has has 315 places, 329 transitions, 704 flow
[2021-12-16 03:01:41,491 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,491 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:41,491 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]
[2021-12-16 03:01:41,492 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-16 03:01:41,492 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:41,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:41,492 INFO  L85        PathProgramCache]: Analyzing trace with hash 1681652397, now seen corresponding path program 1 times
[2021-12-16 03:01:41,493 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:41,493 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303347396]
[2021-12-16 03:01:41,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:41,493 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:41,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:41,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:41,587 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:41,587 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303347396]
[2021-12-16 03:01:41,587 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303347396] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:41,588 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:41,588 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-16 03:01:41,588 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570316508]
[2021-12-16 03:01:41,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:41,589 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-16 03:01:41,589 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:41,590 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-16 03:01:41,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-16 03:01:41,594 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-12-16 03:01:41,595 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 329 transitions, 704 flow. Second operand  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,595 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:41,595 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-12-16 03:01:41,595 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:41,833 INFO  L129       PetriNetUnfolder]: 165/1793 cut-off events.
[2021-12-16 03:01:41,834 INFO  L130       PetriNetUnfolder]: For 29/52 co-relation queries the response was YES.
[2021-12-16 03:01:41,842 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2042 conditions, 1793 events. 165/1793 cut-off events. For 29/52 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 13495 event pairs, 21 based on Foata normal form. 1/1607 useless extension candidates. Maximal degree in co-relation 2036. Up to 74 conditions per place. 
[2021-12-16 03:01:41,847 INFO  L132   encePairwiseOnDemand]: 341/353 looper letters, 27 selfloop transitions, 11 changer transitions 0/344 dead transitions.
[2021-12-16 03:01:41,848 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 344 transitions, 814 flow
[2021-12-16 03:01:41,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-16 03:01:41,848 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-16 03:01:41,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1299 transitions.
[2021-12-16 03:01:41,851 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.919971671388102
[2021-12-16 03:01:41,851 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1299 transitions.
[2021-12-16 03:01:41,851 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1299 transitions.
[2021-12-16 03:01:41,852 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:41,852 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1299 transitions.
[2021-12-16 03:01:41,854 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 324.75) internal successors, (1299), 4 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,856 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,857 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,857 INFO  L186             Difference]: Start difference. First operand has 315 places, 329 transitions, 704 flow. Second operand 4 states and 1299 transitions.
[2021-12-16 03:01:41,857 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 344 transitions, 814 flow
[2021-12-16 03:01:41,859 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 344 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-16 03:01:41,862 INFO  L242             Difference]: Finished difference. Result has 320 places, 335 transitions, 772 flow
[2021-12-16 03:01:41,863 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=772, PETRI_PLACES=320, PETRI_TRANSITIONS=335}
[2021-12-16 03:01:41,864 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 6 predicate places.
[2021-12-16 03:01:41,864 INFO  L470      AbstractCegarLoop]: Abstraction has has 320 places, 335 transitions, 772 flow
[2021-12-16 03:01:41,865 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,865 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:41,865 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]
[2021-12-16 03:01:41,866 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-16 03:01:41,866 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:41,867 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:41,867 INFO  L85        PathProgramCache]: Analyzing trace with hash -1341510675, now seen corresponding path program 1 times
[2021-12-16 03:01:41,867 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:41,868 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439761553]
[2021-12-16 03:01:41,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:41,869 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:41,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:41,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:41,966 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:41,966 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439761553]
[2021-12-16 03:01:41,967 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439761553] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:41,967 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:41,967 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-12-16 03:01:41,967 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769500367]
[2021-12-16 03:01:41,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:41,968 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-12-16 03:01:41,968 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:41,968 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-12-16 03:01:41,969 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-12-16 03:01:41,971 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 316 out of 353
[2021-12-16 03:01:41,973 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 335 transitions, 772 flow. Second operand  has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:41,974 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:41,974 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 353
[2021-12-16 03:01:41,974 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:42,170 INFO  L129       PetriNetUnfolder]: 132/1424 cut-off events.
[2021-12-16 03:01:42,170 INFO  L130       PetriNetUnfolder]: For 42/53 co-relation queries the response was YES.
[2021-12-16 03:01:42,179 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1424 events. 132/1424 cut-off events. For 42/53 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9520 event pairs, 31 based on Foata normal form. 2/1293 useless extension candidates. Maximal degree in co-relation 1722. Up to 113 conditions per place. 
[2021-12-16 03:01:42,183 INFO  L132   encePairwiseOnDemand]: 342/353 looper letters, 30 selfloop transitions, 9 changer transitions 0/352 dead transitions.
[2021-12-16 03:01:42,184 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 352 transitions, 890 flow
[2021-12-16 03:01:42,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-12-16 03:01:42,184 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-12-16 03:01:42,187 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1937 transitions.
[2021-12-16 03:01:42,188 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9145420207743153
[2021-12-16 03:01:42,188 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 1937 transitions.
[2021-12-16 03:01:42,188 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 1937 transitions.
[2021-12-16 03:01:42,189 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:42,189 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1937 transitions.
[2021-12-16 03:01:42,193 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 322.8333333333333) internal successors, (1937), 6 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,195 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,196 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,197 INFO  L186             Difference]: Start difference. First operand has 320 places, 335 transitions, 772 flow. Second operand 6 states and 1937 transitions.
[2021-12-16 03:01:42,197 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 352 transitions, 890 flow
[2021-12-16 03:01:42,201 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 352 transitions, 890 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-12-16 03:01:42,204 INFO  L242             Difference]: Finished difference. Result has 329 places, 341 transitions, 831 flow
[2021-12-16 03:01:42,205 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=329, PETRI_TRANSITIONS=341}
[2021-12-16 03:01:42,205 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 15 predicate places.
[2021-12-16 03:01:42,205 INFO  L470      AbstractCegarLoop]: Abstraction has has 329 places, 341 transitions, 831 flow
[2021-12-16 03:01:42,206 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,206 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:42,206 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]
[2021-12-16 03:01:42,207 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-16 03:01:42,207 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:42,207 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:42,207 INFO  L85        PathProgramCache]: Analyzing trace with hash -1215126355, now seen corresponding path program 1 times
[2021-12-16 03:01:42,207 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:42,208 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455399457]
[2021-12-16 03:01:42,208 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:42,208 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:42,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:42,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:42,254 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:42,254 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455399457]
[2021-12-16 03:01:42,254 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455399457] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:42,254 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:42,254 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-12-16 03:01:42,254 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656975170]
[2021-12-16 03:01:42,254 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:42,255 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-12-16 03:01:42,255 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:42,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-12-16 03:01:42,256 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-12-16 03:01:42,258 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 316 out of 353
[2021-12-16 03:01:42,260 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 341 transitions, 831 flow. Second operand  has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,260 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:42,260 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 353
[2021-12-16 03:01:42,260 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:42,531 INFO  L129       PetriNetUnfolder]: 216/2386 cut-off events.
[2021-12-16 03:01:42,531 INFO  L130       PetriNetUnfolder]: For 137/148 co-relation queries the response was YES.
[2021-12-16 03:01:42,545 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2902 conditions, 2386 events. 216/2386 cut-off events. For 137/148 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 18509 event pairs, 47 based on Foata normal form. 0/2128 useless extension candidates. Maximal degree in co-relation 2889. Up to 176 conditions per place. 
[2021-12-16 03:01:42,554 INFO  L132   encePairwiseOnDemand]: 342/353 looper letters, 29 selfloop transitions, 9 changer transitions 0/357 dead transitions.
[2021-12-16 03:01:42,554 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 357 transitions, 944 flow
[2021-12-16 03:01:42,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-12-16 03:01:42,554 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-12-16 03:01:42,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1936 transitions.
[2021-12-16 03:01:42,558 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9140698772426817
[2021-12-16 03:01:42,558 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 1936 transitions.
[2021-12-16 03:01:42,558 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 1936 transitions.
[2021-12-16 03:01:42,559 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:42,559 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1936 transitions.
[2021-12-16 03:01:42,561 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,564 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,565 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,565 INFO  L186             Difference]: Start difference. First operand has 329 places, 341 transitions, 831 flow. Second operand 6 states and 1936 transitions.
[2021-12-16 03:01:42,565 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 357 transitions, 944 flow
[2021-12-16 03:01:42,568 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 357 transitions, 939 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-16 03:01:42,571 INFO  L242             Difference]: Finished difference. Result has 337 places, 347 transitions, 885 flow
[2021-12-16 03:01:42,572 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=885, PETRI_PLACES=337, PETRI_TRANSITIONS=347}
[2021-12-16 03:01:42,574 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 23 predicate places.
[2021-12-16 03:01:42,574 INFO  L470      AbstractCegarLoop]: Abstraction has has 337 places, 347 transitions, 885 flow
[2021-12-16 03:01:42,575 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,575 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:42,575 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]
[2021-12-16 03:01:42,575 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-16 03:01:42,575 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:42,576 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:42,576 INFO  L85        PathProgramCache]: Analyzing trace with hash 1786217094, now seen corresponding path program 1 times
[2021-12-16 03:01:42,576 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:42,576 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723569247]
[2021-12-16 03:01:42,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:42,577 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:42,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:42,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:42,640 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:42,640 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723569247]
[2021-12-16 03:01:42,640 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723569247] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:42,640 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:42,640 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-12-16 03:01:42,640 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477358099]
[2021-12-16 03:01:42,644 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:42,644 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-12-16 03:01:42,644 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:42,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-12-16 03:01:42,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-12-16 03:01:42,646 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 322 out of 353
[2021-12-16 03:01:42,648 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 347 transitions, 885 flow. Second operand  has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,648 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:42,648 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 353
[2021-12-16 03:01:42,648 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:42,866 INFO  L129       PetriNetUnfolder]: 110/1717 cut-off events.
[2021-12-16 03:01:42,866 INFO  L130       PetriNetUnfolder]: For 75/87 co-relation queries the response was YES.
[2021-12-16 03:01:42,878 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1717 events. 110/1717 cut-off events. For 75/87 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11580 event pairs, 4 based on Foata normal form. 0/1581 useless extension candidates. Maximal degree in co-relation 2058. Up to 53 conditions per place. 
[2021-12-16 03:01:42,882 INFO  L132   encePairwiseOnDemand]: 348/353 looper letters, 16 selfloop transitions, 4 changer transitions 0/351 dead transitions.
[2021-12-16 03:01:42,883 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 351 transitions, 933 flow
[2021-12-16 03:01:42,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-16 03:01:42,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-16 03:01:42,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions.
[2021-12-16 03:01:42,886 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9240793201133144
[2021-12-16 03:01:42,886 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions.
[2021-12-16 03:01:42,886 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions.
[2021-12-16 03:01:42,887 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:42,887 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions.
[2021-12-16 03:01:42,890 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,893 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,895 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,895 INFO  L186             Difference]: Start difference. First operand has 337 places, 347 transitions, 885 flow. Second operand 5 states and 1631 transitions.
[2021-12-16 03:01:42,895 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 351 transitions, 933 flow
[2021-12-16 03:01:42,899 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 351 transitions, 928 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-16 03:01:42,903 INFO  L242             Difference]: Finished difference. Result has 341 places, 348 transitions, 896 flow
[2021-12-16 03:01:42,903 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=896, PETRI_PLACES=341, PETRI_TRANSITIONS=348}
[2021-12-16 03:01:42,904 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 27 predicate places.
[2021-12-16 03:01:42,904 INFO  L470      AbstractCegarLoop]: Abstraction has has 341 places, 348 transitions, 896 flow
[2021-12-16 03:01:42,904 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:42,905 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:42,905 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]
[2021-12-16 03:01:42,905 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-16 03:01:42,905 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:42,905 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:42,906 INFO  L85        PathProgramCache]: Analyzing trace with hash 454408965, now seen corresponding path program 1 times
[2021-12-16 03:01:42,906 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:42,906 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551485266]
[2021-12-16 03:01:42,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:42,906 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:42,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:42,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:42,992 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:42,992 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551485266]
[2021-12-16 03:01:42,992 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551485266] provided 0 perfect and 1 imperfect interpolant sequences
[2021-12-16 03:01:42,992 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919670753]
[2021-12-16 03:01:42,992 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:42,993 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-12-16 03:01:42,993 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-16 03:01:42,994 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-12-16 03:01:42,995 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-12-16 03:01:43,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:43,093 INFO  L263         TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-12-16 03:01:43,102 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-12-16 03:01:43,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:43,432 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-12-16 03:01:43,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-16 03:01:43,733 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [919670753] provided 0 perfect and 2 imperfect interpolant sequences
[2021-12-16 03:01:43,734 INFO  L186   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-12-16 03:01:43,734 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2021-12-16 03:01:43,734 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384716081]
[2021-12-16 03:01:43,734 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-12-16 03:01:43,735 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-12-16 03:01:43,735 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:43,736 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-12-16 03:01:43,736 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2021-12-16 03:01:43,740 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 321 out of 353
[2021-12-16 03:01:43,743 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 348 transitions, 896 flow. Second operand  has 14 states, 14 states have (on average 323.64285714285717) internal successors, (4531), 14 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:43,744 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:43,744 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 353
[2021-12-16 03:01:43,744 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:44,087 INFO  L129       PetriNetUnfolder]: 110/1726 cut-off events.
[2021-12-16 03:01:44,088 INFO  L130       PetriNetUnfolder]: For 76/88 co-relation queries the response was YES.
[2021-12-16 03:01:44,103 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1726 events. 110/1726 cut-off events. For 76/88 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11560 event pairs, 4 based on Foata normal form. 2/1593 useless extension candidates. Maximal degree in co-relation 2078. Up to 53 conditions per place. 
[2021-12-16 03:01:44,108 INFO  L132   encePairwiseOnDemand]: 345/353 looper letters, 17 selfloop transitions, 11 changer transitions 0/358 dead transitions.
[2021-12-16 03:01:44,108 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 358 transitions, 974 flow
[2021-12-16 03:01:44,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-16 03:01:44,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-16 03:01:44,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3561 transitions.
[2021-12-16 03:01:44,114 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9170744269894412
[2021-12-16 03:01:44,114 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3561 transitions.
[2021-12-16 03:01:44,114 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3561 transitions.
[2021-12-16 03:01:44,116 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:44,116 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3561 transitions.
[2021-12-16 03:01:44,120 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 323.72727272727275) internal successors, (3561), 11 states have internal predecessors, (3561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,125 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 353.0) internal successors, (4236), 12 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,126 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 353.0) internal successors, (4236), 12 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,126 INFO  L186             Difference]: Start difference. First operand has 341 places, 348 transitions, 896 flow. Second operand 11 states and 3561 transitions.
[2021-12-16 03:01:44,126 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 358 transitions, 974 flow
[2021-12-16 03:01:44,130 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 358 transitions, 968 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-12-16 03:01:44,133 INFO  L242             Difference]: Finished difference. Result has 351 places, 354 transitions, 945 flow
[2021-12-16 03:01:44,134 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=945, PETRI_PLACES=351, PETRI_TRANSITIONS=354}
[2021-12-16 03:01:44,134 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 37 predicate places.
[2021-12-16 03:01:44,135 INFO  L470      AbstractCegarLoop]: Abstraction has has 351 places, 354 transitions, 945 flow
[2021-12-16 03:01:44,136 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 323.64285714285717) internal successors, (4531), 14 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,137 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:44,137 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:44,158 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-12-16 03:01:44,343 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-12-16 03:01:44,344 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:44,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:44,344 INFO  L85        PathProgramCache]: Analyzing trace with hash 266249057, now seen corresponding path program 2 times
[2021-12-16 03:01:44,344 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:44,344 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564646045]
[2021-12-16 03:01:44,344 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:44,344 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:44,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:44,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:44,429 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:44,429 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564646045]
[2021-12-16 03:01:44,429 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564646045] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:44,429 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:44,429 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-16 03:01:44,429 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875582977]
[2021-12-16 03:01:44,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:44,430 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-16 03:01:44,430 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:44,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-16 03:01:44,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-16 03:01:44,432 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 306 out of 353
[2021-12-16 03:01:44,434 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 354 transitions, 945 flow. Second operand  has 8 states, 8 states have (on average 309.125) internal successors, (2473), 8 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,434 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:44,434 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 353
[2021-12-16 03:01:44,435 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:44,713 INFO  L129       PetriNetUnfolder]: 111/1830 cut-off events.
[2021-12-16 03:01:44,713 INFO  L130       PetriNetUnfolder]: For 78/90 co-relation queries the response was YES.
[2021-12-16 03:01:44,725 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2404 conditions, 1830 events. 111/1830 cut-off events. For 78/90 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 12266 event pairs, 4 based on Foata normal form. 8/1703 useless extension candidates. Maximal degree in co-relation 2383. Up to 128 conditions per place. 
[2021-12-16 03:01:44,729 INFO  L132   encePairwiseOnDemand]: 344/353 looper letters, 35 selfloop transitions, 4 changer transitions 5/369 dead transitions.
[2021-12-16 03:01:44,729 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 369 transitions, 1063 flow
[2021-12-16 03:01:44,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-12-16 03:01:44,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-12-16 03:01:44,732 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2493 transitions.
[2021-12-16 03:01:44,733 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8827903682719547
[2021-12-16 03:01:44,733 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 2493 transitions.
[2021-12-16 03:01:44,733 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 2493 transitions.
[2021-12-16 03:01:44,734 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:44,734 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2493 transitions.
[2021-12-16 03:01:44,737 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 311.625) internal successors, (2493), 8 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,740 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,740 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,741 INFO  L186             Difference]: Start difference. First operand has 351 places, 354 transitions, 945 flow. Second operand 8 states and 2493 transitions.
[2021-12-16 03:01:44,741 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 369 transitions, 1063 flow
[2021-12-16 03:01:44,743 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 369 transitions, 1054 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-16 03:01:44,747 INFO  L242             Difference]: Finished difference. Result has 361 places, 357 transitions, 972 flow
[2021-12-16 03:01:44,748 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=972, PETRI_PLACES=361, PETRI_TRANSITIONS=357}
[2021-12-16 03:01:44,748 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 47 predicate places.
[2021-12-16 03:01:44,748 INFO  L470      AbstractCegarLoop]: Abstraction has has 361 places, 357 transitions, 972 flow
[2021-12-16 03:01:44,749 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 309.125) internal successors, (2473), 8 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,749 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:44,749 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:44,749 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-16 03:01:44,750 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:44,750 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:44,750 INFO  L85        PathProgramCache]: Analyzing trace with hash -1901665691, now seen corresponding path program 1 times
[2021-12-16 03:01:44,750 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:44,750 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017120991]
[2021-12-16 03:01:44,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:44,751 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:44,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:44,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:44,789 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:44,790 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017120991]
[2021-12-16 03:01:44,790 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017120991] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:44,790 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:44,790 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-16 03:01:44,790 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896094188]
[2021-12-16 03:01:44,790 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:44,791 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-16 03:01:44,791 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:44,791 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-16 03:01:44,791 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-16 03:01:44,792 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-12-16 03:01:44,793 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 357 transitions, 972 flow. Second operand  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:44,793 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:44,793 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-12-16 03:01:44,793 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:45,134 INFO  L129       PetriNetUnfolder]: 293/2938 cut-off events.
[2021-12-16 03:01:45,134 INFO  L130       PetriNetUnfolder]: For 212/223 co-relation queries the response was YES.
[2021-12-16 03:01:45,147 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 2938 events. 293/2938 cut-off events. For 212/223 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 23947 event pairs, 64 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 3935. Up to 196 conditions per place. 
[2021-12-16 03:01:45,153 INFO  L132   encePairwiseOnDemand]: 341/353 looper letters, 26 selfloop transitions, 11 changer transitions 0/371 dead transitions.
[2021-12-16 03:01:45,153 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 371 transitions, 1077 flow
[2021-12-16 03:01:45,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-16 03:01:45,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-16 03:01:45,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1298 transitions.
[2021-12-16 03:01:45,156 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9192634560906515
[2021-12-16 03:01:45,156 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1298 transitions.
[2021-12-16 03:01:45,156 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1298 transitions.
[2021-12-16 03:01:45,156 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:45,157 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1298 transitions.
[2021-12-16 03:01:45,158 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 324.5) internal successors, (1298), 4 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,160 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,160 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,160 INFO  L186             Difference]: Start difference. First operand has 361 places, 357 transitions, 972 flow. Second operand 4 states and 1298 transitions.
[2021-12-16 03:01:45,160 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 371 transitions, 1077 flow
[2021-12-16 03:01:45,165 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 371 transitions, 1067 flow, removed 4 selfloop flow, removed 5 redundant places.
[2021-12-16 03:01:45,168 INFO  L242             Difference]: Finished difference. Result has 358 places, 363 transitions, 1032 flow
[2021-12-16 03:01:45,168 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1032, PETRI_PLACES=358, PETRI_TRANSITIONS=363}
[2021-12-16 03:01:45,169 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 44 predicate places.
[2021-12-16 03:01:45,169 INFO  L470      AbstractCegarLoop]: Abstraction has has 358 places, 363 transitions, 1032 flow
[2021-12-16 03:01:45,169 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,169 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:45,170 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:45,170 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-16 03:01:45,170 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:45,170 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:45,171 INFO  L85        PathProgramCache]: Analyzing trace with hash -227916070, now seen corresponding path program 1 times
[2021-12-16 03:01:45,171 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:45,171 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619707111]
[2021-12-16 03:01:45,171 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:45,171 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:45,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:45,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:45,203 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:45,203 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619707111]
[2021-12-16 03:01:45,203 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619707111] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:45,203 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:45,203 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-16 03:01:45,204 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370902097]
[2021-12-16 03:01:45,204 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:45,204 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-16 03:01:45,204 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:45,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-16 03:01:45,205 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-16 03:01:45,205 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-12-16 03:01:45,206 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 363 transitions, 1032 flow. Second operand  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,206 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:45,206 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-12-16 03:01:45,206 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:45,482 INFO  L129       PetriNetUnfolder]: 178/2081 cut-off events.
[2021-12-16 03:01:45,482 INFO  L130       PetriNetUnfolder]: For 169/305 co-relation queries the response was YES.
[2021-12-16 03:01:45,494 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2879 conditions, 2081 events. 178/2081 cut-off events. For 169/305 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 14243 event pairs, 37 based on Foata normal form. 10/1960 useless extension candidates. Maximal degree in co-relation 2854. Up to 136 conditions per place. 
[2021-12-16 03:01:45,500 INFO  L132   encePairwiseOnDemand]: 348/353 looper letters, 35 selfloop transitions, 4 changer transitions 0/372 dead transitions.
[2021-12-16 03:01:45,500 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 372 transitions, 1135 flow
[2021-12-16 03:01:45,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-16 03:01:45,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-16 03:01:45,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1611 transitions.
[2021-12-16 03:01:45,503 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9127478753541076
[2021-12-16 03:01:45,503 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1611 transitions.
[2021-12-16 03:01:45,504 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1611 transitions.
[2021-12-16 03:01:45,504 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:45,504 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1611 transitions.
[2021-12-16 03:01:45,506 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 322.2) internal successors, (1611), 5 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,508 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,508 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,508 INFO  L186             Difference]: Start difference. First operand has 358 places, 363 transitions, 1032 flow. Second operand 5 states and 1611 transitions.
[2021-12-16 03:01:45,509 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 372 transitions, 1135 flow
[2021-12-16 03:01:45,512 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 372 transitions, 1133 flow, removed 1 selfloop flow, removed 0 redundant places.
[2021-12-16 03:01:45,516 INFO  L242             Difference]: Finished difference. Result has 363 places, 363 transitions, 1044 flow
[2021-12-16 03:01:45,517 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1044, PETRI_PLACES=363, PETRI_TRANSITIONS=363}
[2021-12-16 03:01:45,517 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 49 predicate places.
[2021-12-16 03:01:45,517 INFO  L470      AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 1044 flow
[2021-12-16 03:01:45,518 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,518 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:45,518 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:45,518 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-16 03:01:45,518 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:45,519 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:45,519 INFO  L85        PathProgramCache]: Analyzing trace with hash -731169643, now seen corresponding path program 1 times
[2021-12-16 03:01:45,519 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:45,519 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909952286]
[2021-12-16 03:01:45,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:45,520 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:45,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:45,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:45,579 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:45,579 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909952286]
[2021-12-16 03:01:45,579 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909952286] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:45,579 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:45,579 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-16 03:01:45,579 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100079702]
[2021-12-16 03:01:45,579 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:45,580 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-16 03:01:45,580 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:45,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-16 03:01:45,580 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-16 03:01:45,582 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 296 out of 353
[2021-12-16 03:01:45,583 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 1044 flow. Second operand  has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:45,583 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:45,583 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 353
[2021-12-16 03:01:45,583 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:46,887 INFO  L129       PetriNetUnfolder]: 1787/9609 cut-off events.
[2021-12-16 03:01:46,888 INFO  L130       PetriNetUnfolder]: For 3050/3062 co-relation queries the response was YES.
[2021-12-16 03:01:46,925 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 15608 conditions, 9609 events. 1787/9609 cut-off events. For 3050/3062 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 98130 event pairs, 691 based on Foata normal form. 31/8775 useless extension candidates. Maximal degree in co-relation 15581. Up to 1901 conditions per place. 
[2021-12-16 03:01:46,949 INFO  L132   encePairwiseOnDemand]: 343/353 looper letters, 184 selfloop transitions, 36 changer transitions 0/527 dead transitions.
[2021-12-16 03:01:46,949 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 527 transitions, 2115 flow
[2021-12-16 03:01:46,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-12-16 03:01:46,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-12-16 03:01:46,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions.
[2021-12-16 03:01:46,957 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.872187968671888
[2021-12-16 03:01:46,958 INFO  L72            ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions.
[2021-12-16 03:01:46,958 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions.
[2021-12-16 03:01:46,960 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:46,960 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions.
[2021-12-16 03:01:46,967 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 18 states, 17 states have (on average 307.88235294117646) internal successors, (5234), 17 states have internal predecessors, (5234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:46,974 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:46,974 INFO  L81            ComplementDD]: Finished complementDD. Result  has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:46,975 INFO  L186             Difference]: Start difference. First operand has 363 places, 363 transitions, 1044 flow. Second operand 17 states and 5234 transitions.
[2021-12-16 03:01:46,975 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 527 transitions, 2115 flow
[2021-12-16 03:01:46,987 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 527 transitions, 2093 flow, removed 5 selfloop flow, removed 2 redundant places.
[2021-12-16 03:01:46,992 INFO  L242             Difference]: Finished difference. Result has 385 places, 391 transitions, 1302 flow
[2021-12-16 03:01:46,992 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1302, PETRI_PLACES=385, PETRI_TRANSITIONS=391}
[2021-12-16 03:01:46,993 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 71 predicate places.
[2021-12-16 03:01:46,993 INFO  L470      AbstractCegarLoop]: Abstraction has has 385 places, 391 transitions, 1302 flow
[2021-12-16 03:01:46,993 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:46,993 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:46,994 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:46,994 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-16 03:01:46,994 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:46,994 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:46,995 INFO  L85        PathProgramCache]: Analyzing trace with hash -423907830, now seen corresponding path program 1 times
[2021-12-16 03:01:46,995 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:46,995 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482387008]
[2021-12-16 03:01:46,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:46,995 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:47,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:47,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:47,032 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:47,032 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482387008]
[2021-12-16 03:01:47,032 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482387008] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:47,032 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:47,032 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-12-16 03:01:47,032 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2401821]
[2021-12-16 03:01:47,032 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:47,033 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-12-16 03:01:47,033 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:47,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-12-16 03:01:47,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-12-16 03:01:47,034 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 313 out of 353
[2021-12-16 03:01:47,035 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 391 transitions, 1302 flow. Second operand  has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,035 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:47,035 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 353
[2021-12-16 03:01:47,035 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:47,423 INFO  L129       PetriNetUnfolder]: 229/2435 cut-off events.
[2021-12-16 03:01:47,423 INFO  L130       PetriNetUnfolder]: For 693/821 co-relation queries the response was YES.
[2021-12-16 03:01:47,441 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3658 conditions, 2435 events. 229/2435 cut-off events. For 693/821 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 17296 event pairs, 40 based on Foata normal form. 24/2300 useless extension candidates. Maximal degree in co-relation 3625. Up to 164 conditions per place. 
[2021-12-16 03:01:47,447 INFO  L132   encePairwiseOnDemand]: 343/353 looper letters, 44 selfloop transitions, 19 changer transitions 0/410 dead transitions.
[2021-12-16 03:01:47,447 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 410 transitions, 1485 flow
[2021-12-16 03:01:47,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-16 03:01:47,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-16 03:01:47,450 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2239 transitions.
[2021-12-16 03:01:47,451 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9061108862808579
[2021-12-16 03:01:47,451 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2239 transitions.
[2021-12-16 03:01:47,451 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2239 transitions.
[2021-12-16 03:01:47,452 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:47,452 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2239 transitions.
[2021-12-16 03:01:47,455 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 319.85714285714283) internal successors, (2239), 7 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,457 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,458 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,458 INFO  L186             Difference]: Start difference. First operand has 385 places, 391 transitions, 1302 flow. Second operand 7 states and 2239 transitions.
[2021-12-16 03:01:47,458 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 410 transitions, 1485 flow
[2021-12-16 03:01:47,464 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 410 transitions, 1451 flow, removed 4 selfloop flow, removed 4 redundant places.
[2021-12-16 03:01:47,468 INFO  L242             Difference]: Finished difference. Result has 390 places, 397 transitions, 1358 flow
[2021-12-16 03:01:47,469 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1358, PETRI_PLACES=390, PETRI_TRANSITIONS=397}
[2021-12-16 03:01:47,469 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 76 predicate places.
[2021-12-16 03:01:47,469 INFO  L470      AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 1358 flow
[2021-12-16 03:01:47,470 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,470 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:47,470 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:47,470 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-16 03:01:47,470 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:47,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:47,471 INFO  L85        PathProgramCache]: Analyzing trace with hash -1856360310, now seen corresponding path program 1 times
[2021-12-16 03:01:47,471 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:47,471 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931179840]
[2021-12-16 03:01:47,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:47,471 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:47,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:47,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-12-16 03:01:47,527 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:47,527 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931179840]
[2021-12-16 03:01:47,528 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931179840] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:47,528 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:47,528 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-16 03:01:47,528 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806251744]
[2021-12-16 03:01:47,528 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:47,529 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-16 03:01:47,529 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:47,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-16 03:01:47,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-16 03:01:47,531 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 312 out of 353
[2021-12-16 03:01:47,533 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 1358 flow. Second operand  has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:47,533 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:47,533 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 353
[2021-12-16 03:01:47,533 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:47,963 INFO  L129       PetriNetUnfolder]: 270/2864 cut-off events.
[2021-12-16 03:01:47,964 INFO  L130       PetriNetUnfolder]: For 752/879 co-relation queries the response was YES.
[2021-12-16 03:01:47,986 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 4438 conditions, 2864 events. 270/2864 cut-off events. For 752/879 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 21838 event pairs, 50 based on Foata normal form. 17/2691 useless extension candidates. Maximal degree in co-relation 4402. Up to 228 conditions per place. 
[2021-12-16 03:01:47,993 INFO  L132   encePairwiseOnDemand]: 337/353 looper letters, 40 selfloop transitions, 17 changer transitions 0/423 dead transitions.
[2021-12-16 03:01:47,993 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 423 transitions, 1542 flow
[2021-12-16 03:01:47,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-12-16 03:01:47,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-12-16 03:01:47,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2551 transitions.
[2021-12-16 03:01:47,997 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9033286118980169
[2021-12-16 03:01:47,997 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 2551 transitions.
[2021-12-16 03:01:47,997 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 2551 transitions.
[2021-12-16 03:01:47,998 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:47,998 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2551 transitions.
[2021-12-16 03:01:48,002 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 318.875) internal successors, (2551), 8 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:48,006 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:48,006 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:48,006 INFO  L186             Difference]: Start difference. First operand has 390 places, 397 transitions, 1358 flow. Second operand 8 states and 2551 transitions.
[2021-12-16 03:01:48,007 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 423 transitions, 1542 flow
[2021-12-16 03:01:48,013 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 423 transitions, 1524 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-12-16 03:01:48,017 INFO  L242             Difference]: Finished difference. Result has 399 places, 407 transitions, 1449 flow
[2021-12-16 03:01:48,018 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1449, PETRI_PLACES=399, PETRI_TRANSITIONS=407}
[2021-12-16 03:01:48,018 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 85 predicate places.
[2021-12-16 03:01:48,018 INFO  L470      AbstractCegarLoop]: Abstraction has has 399 places, 407 transitions, 1449 flow
[2021-12-16 03:01:48,019 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:48,019 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:48,019 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:48,019 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-16 03:01:48,020 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:48,020 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:48,020 INFO  L85        PathProgramCache]: Analyzing trace with hash -38920124, now seen corresponding path program 1 times
[2021-12-16 03:01:48,020 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:48,020 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686242359]
[2021-12-16 03:01:48,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:48,021 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:48,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:48,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:48,051 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:48,051 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686242359]
[2021-12-16 03:01:48,051 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686242359] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:48,051 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:48,051 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-12-16 03:01:48,053 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232409902]
[2021-12-16 03:01:48,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:48,053 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-12-16 03:01:48,053 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:48,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-12-16 03:01:48,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-12-16 03:01:48,055 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 353
[2021-12-16 03:01:48,055 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 407 transitions, 1449 flow. Second operand  has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:48,055 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:48,055 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 353
[2021-12-16 03:01:48,055 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:49,916 INFO  L129       PetriNetUnfolder]: 1317/11822 cut-off events.
[2021-12-16 03:01:49,916 INFO  L130       PetriNetUnfolder]: For 4086/4151 co-relation queries the response was YES.
[2021-12-16 03:01:49,978 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 18163 conditions, 11822 events. 1317/11822 cut-off events. For 4086/4151 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 133267 event pairs, 377 based on Foata normal form. 10/10854 useless extension candidates. Maximal degree in co-relation 18122. Up to 970 conditions per place. 
[2021-12-16 03:01:50,001 INFO  L132   encePairwiseOnDemand]: 349/353 looper letters, 52 selfloop transitions, 3 changer transitions 0/425 dead transitions.
[2021-12-16 03:01:50,002 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 425 transitions, 1618 flow
[2021-12-16 03:01:50,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-12-16 03:01:50,002 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-12-16 03:01:50,003 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions.
[2021-12-16 03:01:50,004 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9159584513692163
[2021-12-16 03:01:50,004 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 970 transitions.
[2021-12-16 03:01:50,004 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 970 transitions.
[2021-12-16 03:01:50,005 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:50,005 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 970 transitions.
[2021-12-16 03:01:50,006 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,008 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,008 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,008 INFO  L186             Difference]: Start difference. First operand has 399 places, 407 transitions, 1449 flow. Second operand 3 states and 970 transitions.
[2021-12-16 03:01:50,008 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 425 transitions, 1618 flow
[2021-12-16 03:01:50,034 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 425 transitions, 1605 flow, removed 1 selfloop flow, removed 3 redundant places.
[2021-12-16 03:01:50,038 INFO  L242             Difference]: Finished difference. Result has 400 places, 409 transitions, 1458 flow
[2021-12-16 03:01:50,038 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1458, PETRI_PLACES=400, PETRI_TRANSITIONS=409}
[2021-12-16 03:01:50,039 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 86 predicate places.
[2021-12-16 03:01:50,039 INFO  L470      AbstractCegarLoop]: Abstraction has has 400 places, 409 transitions, 1458 flow
[2021-12-16 03:01:50,039 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,039 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:50,048 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:50,049 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-16 03:01:50,049 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:50,049 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:50,049 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289922524, now seen corresponding path program 1 times
[2021-12-16 03:01:50,050 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:50,050 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408953022]
[2021-12-16 03:01:50,050 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:50,050 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:50,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:50,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:50,098 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:50,099 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408953022]
[2021-12-16 03:01:50,099 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408953022] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:50,099 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:50,099 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-16 03:01:50,099 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501409928]
[2021-12-16 03:01:50,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:50,100 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-16 03:01:50,100 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:50,100 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-16 03:01:50,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-16 03:01:50,101 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 314 out of 353
[2021-12-16 03:01:50,102 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 409 transitions, 1458 flow. Second operand  has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,103 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:50,103 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 353
[2021-12-16 03:01:50,103 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:50,913 INFO  L129       PetriNetUnfolder]: 430/5025 cut-off events.
[2021-12-16 03:01:50,913 INFO  L130       PetriNetUnfolder]: For 1306/1598 co-relation queries the response was YES.
[2021-12-16 03:01:50,963 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8064 conditions, 5025 events. 430/5025 cut-off events. For 1306/1598 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 44356 event pairs, 88 based on Foata normal form. 42/4801 useless extension candidates. Maximal degree in co-relation 8022. Up to 468 conditions per place. 
[2021-12-16 03:01:50,978 INFO  L132   encePairwiseOnDemand]: 341/353 looper letters, 49 selfloop transitions, 13 changer transitions 0/433 dead transitions.
[2021-12-16 03:01:50,978 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 433 transitions, 1671 flow
[2021-12-16 03:01:50,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-16 03:01:50,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-16 03:01:50,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2248 transitions.
[2021-12-16 03:01:50,982 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9097531363820316
[2021-12-16 03:01:50,982 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2248 transitions.
[2021-12-16 03:01:50,982 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2248 transitions.
[2021-12-16 03:01:50,984 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:50,984 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2248 transitions.
[2021-12-16 03:01:50,990 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 321.14285714285717) internal successors, (2248), 7 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,993 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,994 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:50,995 INFO  L186             Difference]: Start difference. First operand has 400 places, 409 transitions, 1458 flow. Second operand 7 states and 2248 transitions.
[2021-12-16 03:01:50,995 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 433 transitions, 1671 flow
[2021-12-16 03:01:51,010 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 433 transitions, 1665 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-12-16 03:01:51,014 INFO  L242             Difference]: Finished difference. Result has 409 places, 419 transitions, 1565 flow
[2021-12-16 03:01:51,015 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1452, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1565, PETRI_PLACES=409, PETRI_TRANSITIONS=419}
[2021-12-16 03:01:51,015 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 95 predicate places.
[2021-12-16 03:01:51,015 INFO  L470      AbstractCegarLoop]: Abstraction has has 409 places, 419 transitions, 1565 flow
[2021-12-16 03:01:51,016 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:51,016 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:51,016 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:51,016 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-16 03:01:51,017 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:51,018 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:51,018 INFO  L85        PathProgramCache]: Analyzing trace with hash -1054611153, now seen corresponding path program 1 times
[2021-12-16 03:01:51,018 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:51,018 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213693506]
[2021-12-16 03:01:51,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:51,018 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:51,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:51,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-12-16 03:01:51,081 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:51,082 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213693506]
[2021-12-16 03:01:51,082 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213693506] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:51,082 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:51,082 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-16 03:01:51,082 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583718338]
[2021-12-16 03:01:51,082 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:51,083 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-16 03:01:51,083 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:51,083 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-16 03:01:51,083 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-16 03:01:51,085 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 312 out of 353
[2021-12-16 03:01:51,086 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 419 transitions, 1565 flow. Second operand  has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:51,086 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:51,086 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 353
[2021-12-16 03:01:51,086 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:52,851 INFO  L129       PetriNetUnfolder]: 1034/9391 cut-off events.
[2021-12-16 03:01:52,851 INFO  L130       PetriNetUnfolder]: For 3419/3457 co-relation queries the response was YES.
[2021-12-16 03:01:52,938 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 15122 conditions, 9391 events. 1034/9391 cut-off events. For 3419/3457 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 106061 event pairs, 299 based on Foata normal form. 28/8485 useless extension candidates. Maximal degree in co-relation 15075. Up to 1027 conditions per place. 
[2021-12-16 03:01:52,964 INFO  L132   encePairwiseOnDemand]: 337/353 looper letters, 39 selfloop transitions, 17 changer transitions 0/444 dead transitions.
[2021-12-16 03:01:52,965 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 444 transitions, 1744 flow
[2021-12-16 03:01:52,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-12-16 03:01:52,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-12-16 03:01:52,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2550 transitions.
[2021-12-16 03:01:52,969 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9029745042492918
[2021-12-16 03:01:52,969 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 2550 transitions.
[2021-12-16 03:01:52,969 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 2550 transitions.
[2021-12-16 03:01:52,970 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:52,970 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2550 transitions.
[2021-12-16 03:01:52,973 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 318.75) internal successors, (2550), 8 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:52,976 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:52,976 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:52,977 INFO  L186             Difference]: Start difference. First operand has 409 places, 419 transitions, 1565 flow. Second operand 8 states and 2550 transitions.
[2021-12-16 03:01:52,977 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 444 transitions, 1744 flow
[2021-12-16 03:01:52,997 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 444 transitions, 1738 flow, removed 3 selfloop flow, removed 0 redundant places.
[2021-12-16 03:01:53,001 INFO  L242             Difference]: Finished difference. Result has 420 places, 429 transitions, 1668 flow
[2021-12-16 03:01:53,001 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1559, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1668, PETRI_PLACES=420, PETRI_TRANSITIONS=429}
[2021-12-16 03:01:53,002 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 106 predicate places.
[2021-12-16 03:01:53,002 INFO  L470      AbstractCegarLoop]: Abstraction has has 420 places, 429 transitions, 1668 flow
[2021-12-16 03:01:53,003 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:53,003 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:53,003 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:53,003 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-16 03:01:53,003 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:53,004 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:53,004 INFO  L85        PathProgramCache]: Analyzing trace with hash 224451925, now seen corresponding path program 1 times
[2021-12-16 03:01:53,004 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:53,004 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518775143]
[2021-12-16 03:01:53,004 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:53,004 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:53,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:53,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:53,041 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:53,041 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518775143]
[2021-12-16 03:01:53,041 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518775143] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:53,041 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:53,041 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-12-16 03:01:53,042 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515936179]
[2021-12-16 03:01:53,042 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:53,042 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-12-16 03:01:53,042 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:53,042 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-12-16 03:01:53,043 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-12-16 03:01:53,044 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 313 out of 353
[2021-12-16 03:01:53,045 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 429 transitions, 1668 flow. Second operand  has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:53,045 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:53,045 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 353
[2021-12-16 03:01:53,045 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:01:54,772 INFO  L129       PetriNetUnfolder]: 1164/9843 cut-off events.
[2021-12-16 03:01:54,772 INFO  L130       PetriNetUnfolder]: For 4994/5032 co-relation queries the response was YES.
[2021-12-16 03:01:54,859 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 17036 conditions, 9843 events. 1164/9843 cut-off events. For 4994/5032 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 113044 event pairs, 416 based on Foata normal form. 74/8901 useless extension candidates. Maximal degree in co-relation 16984. Up to 1168 conditions per place. 
[2021-12-16 03:01:54,884 INFO  L132   encePairwiseOnDemand]: 343/353 looper letters, 46 selfloop transitions, 19 changer transitions 0/446 dead transitions.
[2021-12-16 03:01:54,884 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 446 transitions, 1854 flow
[2021-12-16 03:01:54,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-16 03:01:54,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-16 03:01:54,886 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2238 transitions.
[2021-12-16 03:01:54,886 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.905706191825172
[2021-12-16 03:01:54,886 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2238 transitions.
[2021-12-16 03:01:54,886 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2238 transitions.
[2021-12-16 03:01:54,887 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:01:54,887 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2238 transitions.
[2021-12-16 03:01:54,889 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 319.7142857142857) internal successors, (2238), 7 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:54,892 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:54,893 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:54,893 INFO  L186             Difference]: Start difference. First operand has 420 places, 429 transitions, 1668 flow. Second operand 7 states and 2238 transitions.
[2021-12-16 03:01:54,893 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 446 transitions, 1854 flow
[2021-12-16 03:01:55,039 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 446 transitions, 1841 flow, removed 1 selfloop flow, removed 3 redundant places.
[2021-12-16 03:01:55,044 INFO  L242             Difference]: Finished difference. Result has 426 places, 435 transitions, 1751 flow
[2021-12-16 03:01:55,044 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1655, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1751, PETRI_PLACES=426, PETRI_TRANSITIONS=435}
[2021-12-16 03:01:55,044 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 112 predicate places.
[2021-12-16 03:01:55,045 INFO  L470      AbstractCegarLoop]: Abstraction has has 426 places, 435 transitions, 1751 flow
[2021-12-16 03:01:55,045 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:55,045 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:01:55,046 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:01:55,046 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-16 03:01:55,046 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:01:55,046 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:01:55,047 INFO  L85        PathProgramCache]: Analyzing trace with hash 1161617543, now seen corresponding path program 1 times
[2021-12-16 03:01:55,047 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:01:55,047 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090080425]
[2021-12-16 03:01:55,047 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:01:55,047 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:01:55,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:01:55,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:01:55,090 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:01:55,090 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090080425]
[2021-12-16 03:01:55,090 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090080425] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:01:55,090 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:01:55,091 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-12-16 03:01:55,091 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296156794]
[2021-12-16 03:01:55,091 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:01:55,092 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-12-16 03:01:55,092 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:01:55,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-12-16 03:01:55,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-12-16 03:01:55,094 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 353
[2021-12-16 03:01:55,095 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 435 transitions, 1751 flow. Second operand  has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:01:55,095 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:01:55,095 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 353
[2021-12-16 03:01:55,096 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:02:00,200 INFO  L129       PetriNetUnfolder]: 3174/27589 cut-off events.
[2021-12-16 03:02:00,201 INFO  L130       PetriNetUnfolder]: For 16718/18283 co-relation queries the response was YES.
[2021-12-16 03:02:00,403 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 48080 conditions, 27589 events. 3174/27589 cut-off events. For 16718/18283 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 385483 event pairs, 1289 based on Foata normal form. 48/25580 useless extension candidates. Maximal degree in co-relation 48025. Up to 3009 conditions per place. 
[2021-12-16 03:02:00,463 INFO  L132   encePairwiseOnDemand]: 349/353 looper letters, 51 selfloop transitions, 3 changer transitions 0/452 dead transitions.
[2021-12-16 03:02:00,463 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 452 transitions, 1919 flow
[2021-12-16 03:02:00,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-12-16 03:02:00,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-12-16 03:02:00,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions.
[2021-12-16 03:02:00,464 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9150141643059491
[2021-12-16 03:02:00,465 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 969 transitions.
[2021-12-16 03:02:00,465 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 969 transitions.
[2021-12-16 03:02:00,465 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:02:00,465 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 969 transitions.
[2021-12-16 03:02:00,466 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:00,467 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:00,468 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:00,468 INFO  L186             Difference]: Start difference. First operand has 426 places, 435 transitions, 1751 flow. Second operand 3 states and 969 transitions.
[2021-12-16 03:02:00,468 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 452 transitions, 1919 flow
[2021-12-16 03:02:00,672 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 452 transitions, 1895 flow, removed 4 selfloop flow, removed 2 redundant places.
[2021-12-16 03:02:00,676 INFO  L242             Difference]: Finished difference. Result has 428 places, 437 transitions, 1749 flow
[2021-12-16 03:02:00,677 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1727, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1749, PETRI_PLACES=428, PETRI_TRANSITIONS=437}
[2021-12-16 03:02:00,677 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 114 predicate places.
[2021-12-16 03:02:00,677 INFO  L470      AbstractCegarLoop]: Abstraction has has 428 places, 437 transitions, 1749 flow
[2021-12-16 03:02:00,678 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:00,678 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:02:00,678 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:02:00,678 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-16 03:02:00,678 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:02:00,679 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:02:00,679 INFO  L85        PathProgramCache]: Analyzing trace with hash 1604949299, now seen corresponding path program 1 times
[2021-12-16 03:02:00,679 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:02:00,679 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022743940]
[2021-12-16 03:02:00,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:00,679 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:02:00,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:00,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:00,732 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:02:00,732 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022743940]
[2021-12-16 03:02:00,733 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022743940] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:02:00,733 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:02:00,733 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-16 03:02:00,733 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753129474]
[2021-12-16 03:02:00,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:02:00,733 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-16 03:02:00,733 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:02:00,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-16 03:02:00,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-16 03:02:00,735 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 314 out of 353
[2021-12-16 03:02:00,736 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 437 transitions, 1749 flow. Second operand  has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:00,736 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:02:00,736 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 353
[2021-12-16 03:02:00,736 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:02:04,625 INFO  L129       PetriNetUnfolder]: 1878/18064 cut-off events.
[2021-12-16 03:02:04,625 INFO  L130       PetriNetUnfolder]: For 8872/8947 co-relation queries the response was YES.
[2021-12-16 03:02:04,837 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 31458 conditions, 18064 events. 1878/18064 cut-off events. For 8872/8947 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 239582 event pairs, 673 based on Foata normal form. 107/16639 useless extension candidates. Maximal degree in co-relation 31401. Up to 2346 conditions per place. 
[2021-12-16 03:02:04,875 INFO  L132   encePairwiseOnDemand]: 341/353 looper letters, 48 selfloop transitions, 13 changer transitions 0/460 dead transitions.
[2021-12-16 03:02:04,875 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 460 transitions, 1957 flow
[2021-12-16 03:02:04,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-12-16 03:02:04,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-12-16 03:02:04,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2247 transitions.
[2021-12-16 03:02:04,877 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9093484419263456
[2021-12-16 03:02:04,877 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 2247 transitions.
[2021-12-16 03:02:04,877 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 2247 transitions.
[2021-12-16 03:02:04,878 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:02:04,878 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2247 transitions.
[2021-12-16 03:02:04,880 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:04,881 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:04,882 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:04,882 INFO  L186             Difference]: Start difference. First operand has 428 places, 437 transitions, 1749 flow. Second operand 7 states and 2247 transitions.
[2021-12-16 03:02:04,882 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 460 transitions, 1957 flow
[2021-12-16 03:02:04,933 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 460 transitions, 1951 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-12-16 03:02:04,937 INFO  L242             Difference]: Finished difference. Result has 437 places, 447 transitions, 1856 flow
[2021-12-16 03:02:04,937 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1743, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1856, PETRI_PLACES=437, PETRI_TRANSITIONS=447}
[2021-12-16 03:02:04,938 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 123 predicate places.
[2021-12-16 03:02:04,938 INFO  L470      AbstractCegarLoop]: Abstraction has has 437 places, 447 transitions, 1856 flow
[2021-12-16 03:02:04,938 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:04,938 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:02:04,938 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:02:04,939 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-16 03:02:04,939 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:02:04,939 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:02:04,939 INFO  L85        PathProgramCache]: Analyzing trace with hash 1570120376, now seen corresponding path program 1 times
[2021-12-16 03:02:04,939 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:02:04,940 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140750535]
[2021-12-16 03:02:04,940 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:04,940 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:02:04,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:05,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:05,024 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:02:05,024 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140750535]
[2021-12-16 03:02:05,024 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140750535] provided 0 perfect and 1 imperfect interpolant sequences
[2021-12-16 03:02:05,024 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123368861]
[2021-12-16 03:02:05,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:05,025 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-12-16 03:02:05,025 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-16 03:02:05,025 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-12-16 03:02:05,026 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-12-16 03:02:05,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:05,125 INFO  L263         TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-12-16 03:02:05,130 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-12-16 03:02:05,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:05,392 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-12-16 03:02:05,392 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123368861] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:02:05,392 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-12-16 03:02:05,392 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11
[2021-12-16 03:02:05,393 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966047142]
[2021-12-16 03:02:05,393 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:02:05,393 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-16 03:02:05,393 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:02:05,393 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-16 03:02:05,394 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-12-16 03:02:05,395 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 297 out of 353
[2021-12-16 03:02:05,395 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 447 transitions, 1856 flow. Second operand  has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:05,396 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:02:05,396 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 353
[2021-12-16 03:02:05,396 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:02:06,566 INFO  L129       PetriNetUnfolder]: 439/5629 cut-off events.
[2021-12-16 03:02:06,566 INFO  L130       PetriNetUnfolder]: For 2940/5712 co-relation queries the response was YES.
[2021-12-16 03:02:06,645 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 10190 conditions, 5629 events. 439/5629 cut-off events. For 2940/5712 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 52606 event pairs, 116 based on Foata normal form. 45/5382 useless extension candidates. Maximal degree in co-relation 10128. Up to 403 conditions per place. 
[2021-12-16 03:02:06,656 INFO  L132   encePairwiseOnDemand]: 343/353 looper letters, 59 selfloop transitions, 19 changer transitions 0/449 dead transitions.
[2021-12-16 03:02:06,656 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 449 transitions, 1943 flow
[2021-12-16 03:02:06,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-16 03:02:06,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-16 03:02:06,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2736 transitions.
[2021-12-16 03:02:06,658 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8611898016997167
[2021-12-16 03:02:06,658 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2736 transitions.
[2021-12-16 03:02:06,658 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2736 transitions.
[2021-12-16 03:02:06,659 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:02:06,659 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2736 transitions.
[2021-12-16 03:02:06,661 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:06,664 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:06,665 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:06,665 INFO  L186             Difference]: Start difference. First operand has 437 places, 447 transitions, 1856 flow. Second operand 9 states and 2736 transitions.
[2021-12-16 03:02:06,665 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 449 transitions, 1943 flow
[2021-12-16 03:02:06,687 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 449 transitions, 1877 flow, removed 23 selfloop flow, removed 7 redundant places.
[2021-12-16 03:02:06,692 INFO  L242             Difference]: Finished difference. Result has 440 places, 434 transitions, 1743 flow
[2021-12-16 03:02:06,692 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1743, PETRI_PLACES=440, PETRI_TRANSITIONS=434}
[2021-12-16 03:02:06,693 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 126 predicate places.
[2021-12-16 03:02:06,693 INFO  L470      AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1743 flow
[2021-12-16 03:02:06,693 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:06,693 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:02:06,693 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:02:06,710 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-12-16 03:02:06,909 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2021-12-16 03:02:06,909 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:02:06,910 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:02:06,910 INFO  L85        PathProgramCache]: Analyzing trace with hash 625962326, now seen corresponding path program 1 times
[2021-12-16 03:02:06,910 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:02:06,910 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637322075]
[2021-12-16 03:02:06,910 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:06,910 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:02:06,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:06,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:06,968 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:02:06,968 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637322075]
[2021-12-16 03:02:06,968 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637322075] provided 0 perfect and 1 imperfect interpolant sequences
[2021-12-16 03:02:06,969 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947845054]
[2021-12-16 03:02:06,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:06,969 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-12-16 03:02:06,969 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-16 03:02:06,970 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-12-16 03:02:06,971 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-12-16 03:02:07,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:07,073 INFO  L263         TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-12-16 03:02:07,075 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-12-16 03:02:07,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:07,402 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-12-16 03:02:07,402 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947845054] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:02:07,402 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-12-16 03:02:07,402 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11
[2021-12-16 03:02:07,402 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125840683]
[2021-12-16 03:02:07,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:02:07,404 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-16 03:02:07,404 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:02:07,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-16 03:02:07,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-12-16 03:02:07,409 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 297 out of 353
[2021-12-16 03:02:07,410 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1743 flow. Second operand  has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:07,410 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:02:07,410 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 353
[2021-12-16 03:02:07,415 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-16 03:02:08,630 INFO  L129       PetriNetUnfolder]: 1096/6554 cut-off events.
[2021-12-16 03:02:08,631 INFO  L130       PetriNetUnfolder]: For 3722/3735 co-relation queries the response was YES.
[2021-12-16 03:02:08,715 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 12306 conditions, 6554 events. 1096/6554 cut-off events. For 3722/3735 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 74329 event pairs, 684 based on Foata normal form. 0/5572 useless extension candidates. Maximal degree in co-relation 12245. Up to 1695 conditions per place. 
[2021-12-16 03:02:08,730 INFO  L132   encePairwiseOnDemand]: 343/353 looper letters, 43 selfloop transitions, 4 changer transitions 62/431 dead transitions.
[2021-12-16 03:02:08,731 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 431 transitions, 1797 flow
[2021-12-16 03:02:08,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-16 03:02:08,731 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-16 03:02:08,733 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2735 transitions.
[2021-12-16 03:02:08,733 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8608750393452943
[2021-12-16 03:02:08,733 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2735 transitions.
[2021-12-16 03:02:08,734 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2735 transitions.
[2021-12-16 03:02:08,734 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-16 03:02:08,734 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2735 transitions.
[2021-12-16 03:02:08,736 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 303.8888888888889) internal successors, (2735), 9 states have internal predecessors, (2735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:08,738 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:08,739 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:08,739 INFO  L186             Difference]: Start difference. First operand has 440 places, 434 transitions, 1743 flow. Second operand 9 states and 2735 transitions.
[2021-12-16 03:02:08,739 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 431 transitions, 1797 flow
[2021-12-16 03:02:08,765 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1701 flow, removed 26 selfloop flow, removed 12 redundant places.
[2021-12-16 03:02:08,769 INFO  L242             Difference]: Finished difference. Result has 437 places, 369 transitions, 1230 flow
[2021-12-16 03:02:08,769 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1505, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1230, PETRI_PLACES=437, PETRI_TRANSITIONS=369}
[2021-12-16 03:02:08,769 INFO  L334   CegarLoopForPetriNet]: 314 programPoint places, 123 predicate places.
[2021-12-16 03:02:08,769 INFO  L470      AbstractCegarLoop]: Abstraction has has 437 places, 369 transitions, 1230 flow
[2021-12-16 03:02:08,770 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:08,770 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-16 03:02:08,770 INFO  L254   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-16 03:02:08,787 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-12-16 03:02:08,974 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-12-16 03:02:08,975 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-12-16 03:02:08,975 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-16 03:02:08,975 INFO  L85        PathProgramCache]: Analyzing trace with hash -1422028368, now seen corresponding path program 1 times
[2021-12-16 03:02:08,975 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-16 03:02:08,975 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546102549]
[2021-12-16 03:02:08,975 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-16 03:02:08,976 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-16 03:02:09,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-16 03:02:09,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-12-16 03:02:09,138 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-16 03:02:09,138 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546102549]
[2021-12-16 03:02:09,138 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546102549] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-16 03:02:09,138 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-16 03:02:09,138 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2021-12-16 03:02:09,138 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010381868]
[2021-12-16 03:02:09,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-16 03:02:09,139 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-12-16 03:02:09,139 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-16 03:02:09,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-12-16 03:02:09,139 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272
[2021-12-16 03:02:09,141 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 252 out of 353
[2021-12-16 03:02:09,143 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 369 transitions, 1230 flow. Second operand  has 17 states, 17 states have (on average 254.94117647058823) internal successors, (4334), 17 states have internal predecessors, (4334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-16 03:02:09,143 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-16 03:02:09,143 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 353
[2021-12-16 03:02:09,143 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand