/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_pso.oepc.i


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


This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239
[2021-03-25 15:00:14,686 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-03-25 15:00:14,689 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-25 15:00:14,721 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-25 15:00:14,721 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-25 15:00:14,724 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-25 15:00:14,726 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-25 15:00:14,730 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-03-25 15:00:14,737 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-03-25 15:00:14,737 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-25 15:00:14,739 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-25 15:00:14,740 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-25 15:00:14,740 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-25 15:00:14,743 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-25 15:00:14,743 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-25 15:00:14,745 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-25 15:00:14,751 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-25 15:00:14,752 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-25 15:00:14,753 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-25 15:00:14,753 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-03-25 15:00:14,755 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-25 15:00:14,759 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-03-25 15:00:14,759 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-25 15:00:14,761 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-25 15:00:14,761 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-03-25 15:00:14,761 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2021-03-25 15:00:14,762 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-25 15:00:14,763 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-25 15:00:14,764 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-25 15:00:14,764 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-03-25 15:00:14,764 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-03-25 15:00:14,765 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-03-25 15:00:14,765 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-03-25 15:00:14,765 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-03-25 15:00:14,766 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-03-25 15:00:14,766 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf
[2021-03-25 15:00:14,794 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-03-25 15:00:14,794 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-25 15:00:14,796 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-25 15:00:14,796 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-03-25 15:00:14,797 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-03-25 15:00:14,797 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-25 15:00:14,797 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-03-25 15:00:14,797 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-03-25 15:00:14,797 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-03-25 15:00:14,797 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-03-25 15:00:14,798 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-03-25 15:00:14,799 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-25 15:00:14,799 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-03-25 15:00:14,799 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-03-25 15:00:14,799 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-03-25 15:00:14,799 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 15:00:14,799 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-25 15:00:14,799 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-03-25 15:00:14,800 INFO  L138        SettingsManager]:  * Apply repeated Lipton Reduction=true
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-25 15:00:14,997 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-25 15:00:15,016 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-25 15:00:15,018 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-25 15:00:15,019 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-03-25 15:00:15,019 INFO  L275        PluginConnector]: CDTParser initialized
[2021-03-25 15:00:15,019 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_pso.oepc.i
[2021-03-25 15:00:15,066 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d4eda24/02db7a1dd4a04216b0c7c30e309bbe8f/FLAGf42ada789
[2021-03-25 15:00:15,755 INFO  L306              CDTParser]: Found 1 translation units.
[2021-03-25 15:00:15,756 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_pso.oepc.i
[2021-03-25 15:00:15,766 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d4eda24/02db7a1dd4a04216b0c7c30e309bbe8f/FLAGf42ada789
[2021-03-25 15:00:16,098 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d4eda24/02db7a1dd4a04216b0c7c30e309bbe8f
[2021-03-25 15:00:16,099 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-25 15:00:16,100 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-25 15:00:16,101 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-25 15:00:16,101 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-25 15:00:16,110 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-25 15:00:16,110 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,111 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ae7be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16, skipping insertion in model container
[2021-03-25 15:00:16,111 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,115 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-03-25 15:00:16,145 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-03-25 15:00:16,243 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_pso.oepc.i[950,963]
[2021-03-25 15:00:16,402 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-25 15:00:16,408 INFO  L203         MainTranslator]: Completed pre-run
[2021-03-25 15:00:16,415 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_pso.oepc.i[950,963]
[2021-03-25 15:00:16,442 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-03-25 15:00:16,490 INFO  L208         MainTranslator]: Completed translation
[2021-03-25 15:00:16,491 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16 WrapperNode
[2021-03-25 15:00:16,491 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-25 15:00:16,492 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-25 15:00:16,492 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-25 15:00:16,492 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-25 15:00:16,496 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,506 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,523 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-25 15:00:16,524 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-25 15:00:16,524 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-25 15:00:16,524 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-03-25 15:00:16,535 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,535 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,540 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,540 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,545 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,547 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,565 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
[2021-03-25 15:00:16,568 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-25 15:00:16,568 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-25 15:00:16,568 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-03-25 15:00:16,568 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-03-25 15:00:16,569 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 15:00:16,644 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-03-25 15:00:16,645 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-25 15:00:16,645 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-25 15:00:16,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-25 15:00:16,645 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-03-25 15:00:16,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-03-25 15:00:16,646 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-03-25 15:00:16,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-03-25 15:00:16,646 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-03-25 15:00:16,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-03-25 15:00:16,647 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-25 15:00:16,647 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-25 15:00:16,647 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-25 15:00:16,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-25 15:00:16,648 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-03-25 15:00:17,989 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-25 15:00:17,990 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-03-25 15:00:17,991 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:00:17 BoogieIcfgContainer
[2021-03-25 15:00:17,991 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-25 15:00:17,992 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-25 15:00:17,992 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-03-25 15:00:17,994 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-03-25 15:00:17,994 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 03:00:16" (1/3) ...
[2021-03-25 15:00:17,995 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470ac055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:00:17, skipping insertion in model container
[2021-03-25 15:00:17,995 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:00:16" (2/3) ...
[2021-03-25 15:00:17,995 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470ac055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:00:17, skipping insertion in model container
[2021-03-25 15:00:17,995 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:00:17" (3/3) ...
[2021-03-25 15:00:17,996 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe026_pso.oepc.i
[2021-03-25 15:00:18,000 INFO  L149   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-25 15:00:18,003 INFO  L161   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-03-25 15:00:18,003 INFO  L323   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-25 15:00:18,032 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,032 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,032 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,033 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,034 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,035 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,036 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,036 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,036 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,036 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,037 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,038 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,039 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,039 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,039 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,039 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,039 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,040 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,041 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,042 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,043 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,044 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,044 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,046 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,047 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,047 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,047 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,049 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,049 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,052 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,052 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,053 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,054 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,055 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,057 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,058 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,059 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,059 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,061 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,062 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,063 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,065 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,066 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,066 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,066 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,066 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,067 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 15:00:18,068 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-25 15:00:18,080 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-03-25 15:00:18,105 INFO  L376      AbstractCegarLoop]: Interprodecural is true
[2021-03-25 15:00:18,105 INFO  L377      AbstractCegarLoop]: Hoare is false
[2021-03-25 15:00:18,105 INFO  L378      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-25 15:00:18,105 INFO  L379      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-25 15:00:18,105 INFO  L380      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-25 15:00:18,105 INFO  L381      AbstractCegarLoop]: Difference is false
[2021-03-25 15:00:18,105 INFO  L382      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-25 15:00:18,105 INFO  L386      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-25 15:00:18,114 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow
[2021-03-25 15:00:18,146 INFO  L129       PetriNetUnfolder]: 2/93 cut-off events.
[2021-03-25 15:00:18,146 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:18,157 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. 
[2021-03-25 15:00:18,158 INFO  L82        GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 207 flow
[2021-03-25 15:00:18,162 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 101 places, 93 transitions, 195 flow
[2021-03-25 15:00:18,163 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:18,173 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 195 flow
[2021-03-25 15:00:18,175 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 195 flow
[2021-03-25 15:00:18,178 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 195 flow
[2021-03-25 15:00:18,199 INFO  L129       PetriNetUnfolder]: 2/93 cut-off events.
[2021-03-25 15:00:18,199 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:18,200 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. 
[2021-03-25 15:00:18,202 INFO  L142        LiptonReduction]: Number of co-enabled transitions 1602
[2021-03-25 15:00:19,200 WARN  L205               SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2021-03-25 15:00:19,549 WARN  L205               SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81
[2021-03-25 15:00:19,686 WARN  L205               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79
[2021-03-25 15:00:20,558 INFO  L154        LiptonReduction]: Checked pairs total: 2976
[2021-03-25 15:00:20,558 INFO  L156        LiptonReduction]: Total number of compositions: 64
[2021-03-25 15:00:20,560 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2398
[2021-03-25 15:00:20,565 INFO  L129       PetriNetUnfolder]: 0/13 cut-off events.
[2021-03-25 15:00:20,565 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:20,565 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:20,566 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:20,566 INFO  L428      AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:20,569 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:20,569 INFO  L82        PathProgramCache]: Analyzing trace with hash -155680753, now seen corresponding path program 1 times
[2021-03-25 15:00:20,574 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:20,574 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395011174]
[2021-03-25 15:00:20,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:20,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:20,746 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:20,747 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 15:00:20,748 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:20,752 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:20,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:20,757 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395011174]
[2021-03-25 15:00:20,757 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:20,758 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 15:00:20,758 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863875435]
[2021-03-25 15:00:20,764 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 15:00:20,764 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:20,770 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 15:00:20,771 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 15:00:20,773 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 140 out of 160
[2021-03-25 15:00:20,777 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:20,777 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:20,777 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 160
[2021-03-25 15:00:20,778 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:20,846 INFO  L129       PetriNetUnfolder]: 49/176 cut-off events.
[2021-03-25 15:00:20,846 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:20,848 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 272 conditions, 176 events. 49/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 833 event pairs, 38 based on Foata normal form. 15/176 useless extension candidates. Maximal degree in co-relation 253. Up to 65 conditions per place. 
[2021-03-25 15:00:20,849 INFO  L132   encePairwiseOnDemand]: 156/160 looper letters, 9 selfloop transitions, 2 changer transitions 0/39 dead transitions.
[2021-03-25 15:00:20,849 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 109 flow
[2021-03-25 15:00:20,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-03-25 15:00:20,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 15:00:20,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions.
[2021-03-25 15:00:20,863 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.9041666666666667
[2021-03-25 15:00:20,863 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 434 transitions.
[2021-03-25 15:00:20,863 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 434 transitions.
[2021-03-25 15:00:20,865 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:20,867 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 434 transitions.
[2021-03-25 15:00:20,870 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:20,882 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:20,882 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:20,883 INFO  L185             Difference]: Start difference. First operand has 47 places, 38 transitions, 85 flow. Second operand 3 states and 434 transitions.
[2021-03-25 15:00:20,884 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 109 flow
[2021-03-25 15:00:20,885 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 39 transitions, 106 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-03-25 15:00:20,886 INFO  L241             Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow
[2021-03-25 15:00:20,887 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=35}
[2021-03-25 15:00:20,888 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places.
[2021-03-25 15:00:20,888 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:20,888 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 80 flow
[2021-03-25 15:00:20,889 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 80 flow
[2021-03-25 15:00:20,889 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 80 flow
[2021-03-25 15:00:20,894 INFO  L129       PetriNetUnfolder]: 0/35 cut-off events.
[2021-03-25 15:00:20,895 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:20,895 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. 
[2021-03-25 15:00:20,895 INFO  L142        LiptonReduction]: Number of co-enabled transitions 322
[2021-03-25 15:00:21,799 INFO  L154        LiptonReduction]: Checked pairs total: 1017
[2021-03-25 15:00:21,800 INFO  L156        LiptonReduction]: Total number of compositions: 11
[2021-03-25 15:00:21,800 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 912
[2021-03-25 15:00:21,801 INFO  L480      AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow
[2021-03-25 15:00:21,801 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:21,801 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:21,801 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:21,801 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-25 15:00:21,801 INFO  L428      AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:21,802 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:21,802 INFO  L82        PathProgramCache]: Analyzing trace with hash -1425633224, now seen corresponding path program 1 times
[2021-03-25 15:00:21,802 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:21,802 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494819441]
[2021-03-25 15:00:21,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:21,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:21,858 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:21,858 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 15:00:21,859 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:21,859 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:21,868 INFO  L142       QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size
[2021-03-25 15:00:21,869 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-03-25 15:00:21,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:21,871 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494819441]
[2021-03-25 15:00:21,871 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:21,871 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 15:00:21,871 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057545524]
[2021-03-25 15:00:21,872 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 15:00:21,872 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:21,872 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 15:00:21,873 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 15:00:21,873 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 171
[2021-03-25 15:00:21,874 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:21,874 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:21,874 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 171
[2021-03-25 15:00:21,874 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:21,891 INFO  L129       PetriNetUnfolder]: 1/26 cut-off events.
[2021-03-25 15:00:21,891 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:21,891 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 43 conditions, 26 events. 1/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. 
[2021-03-25 15:00:21,892 INFO  L132   encePairwiseOnDemand]: 167/171 looper letters, 1 selfloop transitions, 2 changer transitions 4/26 dead transitions.
[2021-03-25 15:00:21,892 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 26 transitions, 74 flow
[2021-03-25 15:00:21,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-25 15:00:21,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 15:00:21,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 737 transitions.
[2021-03-25 15:00:21,893 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8619883040935673
[2021-03-25 15:00:21,893 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 737 transitions.
[2021-03-25 15:00:21,893 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 737 transitions.
[2021-03-25 15:00:21,894 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:21,894 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 737 transitions.
[2021-03-25 15:00:21,895 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 147.4) internal successors, (737), 5 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:21,896 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:21,897 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:21,897 INFO  L185             Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 737 transitions.
[2021-03-25 15:00:21,897 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 26 transitions, 74 flow
[2021-03-25 15:00:21,898 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 15:00:21,898 INFO  L241             Difference]: Finished difference. Result has 36 places, 22 transitions, 58 flow
[2021-03-25 15:00:21,898 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=58, PETRI_PLACES=36, PETRI_TRANSITIONS=22}
[2021-03-25 15:00:21,898 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, -11 predicate places.
[2021-03-25 15:00:21,898 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:21,899 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 22 transitions, 58 flow
[2021-03-25 15:00:21,899 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 22 transitions, 58 flow
[2021-03-25 15:00:21,899 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 32 places, 22 transitions, 58 flow
[2021-03-25 15:00:21,902 INFO  L129       PetriNetUnfolder]: 0/22 cut-off events.
[2021-03-25 15:00:21,902 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 15:00:21,902 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. 
[2021-03-25 15:00:21,902 INFO  L142        LiptonReduction]: Number of co-enabled transitions 188
[2021-03-25 15:00:22,345 WARN  L205               SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112
[2021-03-25 15:00:22,463 WARN  L205               SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 108
[2021-03-25 15:00:22,703 WARN  L205               SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112
[2021-03-25 15:00:22,815 WARN  L205               SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 108
[2021-03-25 15:00:22,818 INFO  L154        LiptonReduction]: Checked pairs total: 657
[2021-03-25 15:00:22,818 INFO  L156        LiptonReduction]: Total number of compositions: 2
[2021-03-25 15:00:22,818 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 920
[2021-03-25 15:00:22,818 INFO  L480      AbstractCegarLoop]: Abstraction has has 30 places, 20 transitions, 54 flow
[2021-03-25 15:00:22,819 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,819 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:22,819 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:22,819 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-25 15:00:22,819 INFO  L428      AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:22,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:22,819 INFO  L82        PathProgramCache]: Analyzing trace with hash -614592641, now seen corresponding path program 1 times
[2021-03-25 15:00:22,819 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:22,820 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231268217]
[2021-03-25 15:00:22,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:22,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:22,859 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:22,859 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-03-25 15:00:22,861 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:22,862 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-03-25 15:00:22,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:22,864 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231268217]
[2021-03-25 15:00:22,864 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:22,864 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 15:00:22,864 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716435772]
[2021-03-25 15:00:22,864 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 15:00:22,864 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:22,865 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 15:00:22,865 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 15:00:22,865 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 143 out of 173
[2021-03-25 15:00:22,866 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 54 flow. Second operand  has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,866 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:22,866 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 173
[2021-03-25 15:00:22,866 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:22,884 INFO  L129       PetriNetUnfolder]: 2/55 cut-off events.
[2021-03-25 15:00:22,884 INFO  L130       PetriNetUnfolder]: For 12/25 co-relation queries the response was YES.
[2021-03-25 15:00:22,884 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 96 conditions, 55 events. 2/55 cut-off events. For 12/25 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 230 event pairs, 2 based on Foata normal form. 6/60 useless extension candidates. Maximal degree in co-relation 86. Up to 8 conditions per place. 
[2021-03-25 15:00:22,884 INFO  L132   encePairwiseOnDemand]: 168/173 looper letters, 2 selfloop transitions, 4 changer transitions 2/23 dead transitions.
[2021-03-25 15:00:22,884 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 23 transitions, 79 flow
[2021-03-25 15:00:22,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-25 15:00:22,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 15:00:22,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 726 transitions.
[2021-03-25 15:00:22,885 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8393063583815029
[2021-03-25 15:00:22,886 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 726 transitions.
[2021-03-25 15:00:22,886 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 726 transitions.
[2021-03-25 15:00:22,886 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:22,886 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 726 transitions.
[2021-03-25 15:00:22,887 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,888 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,888 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,888 INFO  L185             Difference]: Start difference. First operand has 30 places, 20 transitions, 54 flow. Second operand 5 states and 726 transitions.
[2021-03-25 15:00:22,889 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 23 transitions, 79 flow
[2021-03-25 15:00:22,889 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 23 transitions, 73 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 15:00:22,889 INFO  L241             Difference]: Finished difference. Result has 36 places, 21 transitions, 78 flow
[2021-03-25 15:00:22,889 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=78, PETRI_PLACES=36, PETRI_TRANSITIONS=21}
[2021-03-25 15:00:22,889 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, -11 predicate places.
[2021-03-25 15:00:22,889 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:22,890 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 78 flow
[2021-03-25 15:00:22,890 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 78 flow
[2021-03-25 15:00:22,890 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 36 places, 21 transitions, 78 flow
[2021-03-25 15:00:22,893 INFO  L129       PetriNetUnfolder]: 0/34 cut-off events.
[2021-03-25 15:00:22,893 INFO  L130       PetriNetUnfolder]: For 16/20 co-relation queries the response was YES.
[2021-03-25 15:00:22,893 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 72 conditions, 34 events. 0/34 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. 
[2021-03-25 15:00:22,893 INFO  L142        LiptonReduction]: Number of co-enabled transitions 176
[2021-03-25 15:00:22,894 INFO  L154        LiptonReduction]: Checked pairs total: 204
[2021-03-25 15:00:22,894 INFO  L156        LiptonReduction]: Total number of compositions: 0
[2021-03-25 15:00:22,894 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5
[2021-03-25 15:00:22,895 INFO  L480      AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 78 flow
[2021-03-25 15:00:22,895 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,895 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:22,895 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:22,895 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-25 15:00:22,895 INFO  L428      AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:22,895 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:22,896 INFO  L82        PathProgramCache]: Analyzing trace with hash -224904861, now seen corresponding path program 1 times
[2021-03-25 15:00:22,896 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:22,896 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72499936]
[2021-03-25 15:00:22,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:22,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:22,923 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:22,924 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:22,926 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-25 15:00:22,927 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-25 15:00:22,930 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:22,931 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 15:00:22,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:22,931 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72499936]
[2021-03-25 15:00:22,931 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:22,931 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 15:00:22,931 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131355984]
[2021-03-25 15:00:22,936 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 15:00:22,936 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:22,936 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 15:00:22,936 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 15:00:22,937 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 173
[2021-03-25 15:00:22,937 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 78 flow. Second operand  has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,937 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:22,937 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 173
[2021-03-25 15:00:22,937 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:22,969 INFO  L129       PetriNetUnfolder]: 58/155 cut-off events.
[2021-03-25 15:00:22,969 INFO  L130       PetriNetUnfolder]: For 69/71 co-relation queries the response was YES.
[2021-03-25 15:00:22,969 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 349 conditions, 155 events. 58/155 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 740 event pairs, 25 based on Foata normal form. 15/163 useless extension candidates. Maximal degree in co-relation 335. Up to 94 conditions per place. 
[2021-03-25 15:00:22,970 INFO  L132   encePairwiseOnDemand]: 167/173 looper letters, 5 selfloop transitions, 4 changer transitions 7/31 dead transitions.
[2021-03-25 15:00:22,970 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 31 transitions, 130 flow
[2021-03-25 15:00:22,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-03-25 15:00:22,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 15:00:22,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 728 transitions.
[2021-03-25 15:00:22,971 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8416184971098266
[2021-03-25 15:00:22,971 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 728 transitions.
[2021-03-25 15:00:22,971 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 728 transitions.
[2021-03-25 15:00:22,972 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:22,972 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 728 transitions.
[2021-03-25 15:00:22,973 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,974 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,974 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:22,974 INFO  L185             Difference]: Start difference. First operand has 36 places, 21 transitions, 78 flow. Second operand 5 states and 728 transitions.
[2021-03-25 15:00:22,974 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 31 transitions, 130 flow
[2021-03-25 15:00:22,975 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 122 flow, removed 2 selfloop flow, removed 2 redundant places.
[2021-03-25 15:00:22,976 INFO  L241             Difference]: Finished difference. Result has 41 places, 24 transitions, 106 flow
[2021-03-25 15:00:22,976 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=41, PETRI_TRANSITIONS=24}
[2021-03-25 15:00:22,976 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, -6 predicate places.
[2021-03-25 15:00:22,976 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:22,976 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 24 transitions, 106 flow
[2021-03-25 15:00:22,976 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 24 transitions, 106 flow
[2021-03-25 15:00:22,976 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 39 places, 24 transitions, 106 flow
[2021-03-25 15:00:22,984 INFO  L129       PetriNetUnfolder]: 48/130 cut-off events.
[2021-03-25 15:00:22,984 INFO  L130       PetriNetUnfolder]: For 83/94 co-relation queries the response was YES.
[2021-03-25 15:00:22,984 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 357 conditions, 130 events. 48/130 cut-off events. For 83/94 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 584 event pairs, 23 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 342. Up to 80 conditions per place. 
[2021-03-25 15:00:22,985 INFO  L142        LiptonReduction]: Number of co-enabled transitions 190
[2021-03-25 15:00:23,036 INFO  L154        LiptonReduction]: Checked pairs total: 169
[2021-03-25 15:00:23,036 INFO  L156        LiptonReduction]: Total number of compositions: 0
[2021-03-25 15:00:23,036 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60
[2021-03-25 15:00:23,037 INFO  L480      AbstractCegarLoop]: Abstraction has has 39 places, 24 transitions, 106 flow
[2021-03-25 15:00:23,037 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,037 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:23,037 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:23,037 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-25 15:00:23,037 INFO  L428      AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:23,038 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:23,038 INFO  L82        PathProgramCache]: Analyzing trace with hash -1457039478, now seen corresponding path program 1 times
[2021-03-25 15:00:23,038 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:23,038 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255958222]
[2021-03-25 15:00:23,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:23,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:23,104 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,104 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:23,106 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,106 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:23,110 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-25 15:00:23,112 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-25 15:00:23,116 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,117 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 15:00:23,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:23,117 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255958222]
[2021-03-25 15:00:23,117 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:23,117 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-03-25 15:00:23,117 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426106096]
[2021-03-25 15:00:23,117 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-25 15:00:23,117 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:23,118 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-25 15:00:23,118 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-03-25 15:00:23,118 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 173
[2021-03-25 15:00:23,119 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 24 transitions, 106 flow. Second operand  has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,119 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:23,119 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 173
[2021-03-25 15:00:23,119 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:23,154 INFO  L129       PetriNetUnfolder]: 32/105 cut-off events.
[2021-03-25 15:00:23,154 INFO  L130       PetriNetUnfolder]: For 102/153 co-relation queries the response was YES.
[2021-03-25 15:00:23,156 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 365 conditions, 105 events. 32/105 cut-off events. For 102/153 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 425 event pairs, 4 based on Foata normal form. 26/129 useless extension candidates. Maximal degree in co-relation 348. Up to 70 conditions per place. 
[2021-03-25 15:00:23,157 INFO  L132   encePairwiseOnDemand]: 167/173 looper letters, 5 selfloop transitions, 7 changer transitions 7/34 dead transitions.
[2021-03-25 15:00:23,157 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 202 flow
[2021-03-25 15:00:23,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-03-25 15:00:23,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-03-25 15:00:23,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 873 transitions.
[2021-03-25 15:00:23,159 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8410404624277457
[2021-03-25 15:00:23,159 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 873 transitions.
[2021-03-25 15:00:23,159 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 873 transitions.
[2021-03-25 15:00:23,159 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:23,159 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 873 transitions.
[2021-03-25 15:00:23,161 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,162 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,163 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,163 INFO  L185             Difference]: Start difference. First operand has 39 places, 24 transitions, 106 flow. Second operand 6 states and 873 transitions.
[2021-03-25 15:00:23,163 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 202 flow
[2021-03-25 15:00:23,165 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 196 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-03-25 15:00:23,166 INFO  L241             Difference]: Finished difference. Result has 45 places, 27 transitions, 156 flow
[2021-03-25 15:00:23,166 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=156, PETRI_PLACES=45, PETRI_TRANSITIONS=27}
[2021-03-25 15:00:23,166 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places.
[2021-03-25 15:00:23,166 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:23,166 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 27 transitions, 156 flow
[2021-03-25 15:00:23,167 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 27 transitions, 156 flow
[2021-03-25 15:00:23,167 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 43 places, 27 transitions, 156 flow
[2021-03-25 15:00:23,173 INFO  L129       PetriNetUnfolder]: 22/81 cut-off events.
[2021-03-25 15:00:23,173 INFO  L130       PetriNetUnfolder]: For 158/181 co-relation queries the response was YES.
[2021-03-25 15:00:23,174 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 301 conditions, 81 events. 22/81 cut-off events. For 158/181 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 274 event pairs, 4 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 283. Up to 46 conditions per place. 
[2021-03-25 15:00:23,174 INFO  L142        LiptonReduction]: Number of co-enabled transitions 186
[2021-03-25 15:00:23,203 INFO  L154        LiptonReduction]: Checked pairs total: 191
[2021-03-25 15:00:23,203 INFO  L156        LiptonReduction]: Total number of compositions: 0
[2021-03-25 15:00:23,203 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37
[2021-03-25 15:00:23,205 INFO  L480      AbstractCegarLoop]: Abstraction has has 43 places, 27 transitions, 156 flow
[2021-03-25 15:00:23,205 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,205 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:23,205 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:23,205 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-25 15:00:23,205 INFO  L428      AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:23,206 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:23,206 INFO  L82        PathProgramCache]: Analyzing trace with hash 2096789999, now seen corresponding path program 1 times
[2021-03-25 15:00:23,206 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:23,207 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509567482]
[2021-03-25 15:00:23,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:23,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 15:00:23,276 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,276 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:23,278 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,278 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:23,281 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,281 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 15:00:23,284 INFO  L142       QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-03-25 15:00:23,284 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-25 15:00:23,288 INFO  L142       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 15:00:23,288 INFO  L147       QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 15:00:23,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 15:00:23,289 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509567482]
[2021-03-25 15:00:23,289 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 15:00:23,289 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-03-25 15:00:23,289 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112705329]
[2021-03-25 15:00:23,289 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-03-25 15:00:23,289 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 15:00:23,289 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-03-25 15:00:23,290 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-03-25 15:00:23,290 INFO  L508   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 173
[2021-03-25 15:00:23,291 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 27 transitions, 156 flow. Second operand  has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,291 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 15:00:23,291 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 173
[2021-03-25 15:00:23,291 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 15:00:23,324 INFO  L129       PetriNetUnfolder]: 14/62 cut-off events.
[2021-03-25 15:00:23,325 INFO  L130       PetriNetUnfolder]: For 178/230 co-relation queries the response was YES.
[2021-03-25 15:00:23,325 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 268 conditions, 62 events. 14/62 cut-off events. For 178/230 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 179 event pairs, 0 based on Foata normal form. 26/87 useless extension candidates. Maximal degree in co-relation 248. Up to 39 conditions per place. 
[2021-03-25 15:00:23,325 INFO  L132   encePairwiseOnDemand]: 167/173 looper letters, 2 selfloop transitions, 10 changer transitions 5/31 dead transitions.
[2021-03-25 15:00:23,325 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 31 transitions, 224 flow
[2021-03-25 15:00:23,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-03-25 15:00:23,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-03-25 15:00:23,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1012 transitions.
[2021-03-25 15:00:23,327 INFO  L553   CegarLoopForPetriNet]: DFA transition density 0.8356729975227085
[2021-03-25 15:00:23,327 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 1012 transitions.
[2021-03-25 15:00:23,327 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 1012 transitions.
[2021-03-25 15:00:23,327 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 15:00:23,327 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1012 transitions.
[2021-03-25 15:00:23,329 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,330 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 173.0) internal successors, (1384), 8 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,330 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 173.0) internal successors, (1384), 8 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:23,330 INFO  L185             Difference]: Start difference. First operand has 43 places, 27 transitions, 156 flow. Second operand 7 states and 1012 transitions.
[2021-03-25 15:00:23,330 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 31 transitions, 224 flow
[2021-03-25 15:00:23,332 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 31 transitions, 184 flow, removed 15 selfloop flow, removed 5 redundant places.
[2021-03-25 15:00:23,332 INFO  L241             Difference]: Finished difference. Result has 47 places, 26 transitions, 148 flow
[2021-03-25 15:00:23,333 INFO  L326   CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=148, PETRI_PLACES=47, PETRI_TRANSITIONS=26}
[2021-03-25 15:00:23,333 INFO  L343   CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places.
[2021-03-25 15:00:23,333 INFO  L165   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 15:00:23,333 INFO  L137   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 26 transitions, 148 flow
[2021-03-25 15:00:23,333 INFO  L129        LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 26 transitions, 148 flow
[2021-03-25 15:00:23,334 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 44 places, 26 transitions, 148 flow
[2021-03-25 15:00:23,339 INFO  L129       PetriNetUnfolder]: 6/38 cut-off events.
[2021-03-25 15:00:23,339 INFO  L130       PetriNetUnfolder]: For 51/57 co-relation queries the response was YES.
[2021-03-25 15:00:23,339 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 119 conditions, 38 events. 6/38 cut-off events. For 51/57 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 106. Up to 13 conditions per place. 
[2021-03-25 15:00:23,340 INFO  L142        LiptonReduction]: Number of co-enabled transitions 128
[2021-03-25 15:00:23,872 WARN  L205               SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 177
[2021-03-25 15:00:24,089 WARN  L205               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 175
[2021-03-25 15:00:25,140 WARN  L205               SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 302 DAG size of output: 258
[2021-03-25 15:00:25,642 WARN  L205               SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 255
[2021-03-25 15:00:25,875 WARN  L205               SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100
[2021-03-25 15:00:25,983 WARN  L205               SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 100
[2021-03-25 15:00:26,399 WARN  L205               SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112
[2021-03-25 15:00:26,511 WARN  L205               SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112
[2021-03-25 15:00:26,520 INFO  L154        LiptonReduction]: Checked pairs total: 297
[2021-03-25 15:00:26,521 INFO  L156        LiptonReduction]: Total number of compositions: 3
[2021-03-25 15:00:26,521 INFO  L199   CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3188
[2021-03-25 15:00:26,536 INFO  L480      AbstractCegarLoop]: Abstraction has has 41 places, 23 transitions, 142 flow
[2021-03-25 15:00:26,536 INFO  L481      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 142.83333333333334) internal successors, (857), 6 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 15:00:26,536 INFO  L255   CegarLoopForPetriNet]: Found error trace
[2021-03-25 15:00:26,536 INFO  L263   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 15:00:26,536 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-03-25 15:00:26,536 INFO  L428      AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 15:00:26,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 15:00:26,537 INFO  L82        PathProgramCache]: Analyzing trace with hash 1090174400, now seen corresponding path program 1 times
[2021-03-25 15:00:26,537 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 15:00:26,537 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842092201]
[2021-03-25 15:00:26,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 15:00:26,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-25 15:00:26,610 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-25 15:00:26,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-25 15:00:26,693 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-25 15:00:26,730 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-03-25 15:00:26,730 INFO  L634         BasicCegarLoop]: Counterexample might be feasible
[2021-03-25 15:00:26,730 WARN  L517      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-03-25 15:00:26,799 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 03:00:26 BasicIcfg
[2021-03-25 15:00:26,799 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-25 15:00:26,800 INFO  L168              Benchmark]: Toolchain (without parser) took 10699.79 ms. Allocated memory was 255.9 MB in the beginning and 555.7 MB in the end (delta: 299.9 MB). Free memory was 232.6 MB in the beginning and 509.1 MB in the end (delta: -276.5 MB). Peak memory consumption was 326.2 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,800 INFO  L168              Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.5 MB in the beginning and 237.3 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,800 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 390.36 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 232.0 MB in the beginning and 341.3 MB in the end (delta: -109.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,801 INFO  L168              Benchmark]: Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 381.7 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,801 INFO  L168              Benchmark]: Boogie Preprocessor took 43.98 ms. Allocated memory is still 381.7 MB. Free memory was 339.2 MB in the beginning and 337.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,801 INFO  L168              Benchmark]: RCFGBuilder took 1423.11 ms. Allocated memory is still 381.7 MB. Free memory was 337.1 MB in the beginning and 334.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,801 INFO  L168              Benchmark]: TraceAbstraction took 8807.11 ms. Allocated memory was 381.7 MB in the beginning and 555.7 MB in the end (delta: 174.1 MB). Free memory was 333.3 MB in the beginning and 509.1 MB in the end (delta: -175.9 MB). Peak memory consumption was 302.3 MB. Max. memory is 16.0 GB.
[2021-03-25 15:00:26,803 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.5 MB in the beginning and 237.3 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 390.36 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 232.0 MB in the beginning and 341.3 MB in the end (delta: -109.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 31.36 ms. Allocated memory is still 381.7 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 43.98 ms. Allocated memory is still 381.7 MB. Free memory was 339.2 MB in the beginning and 337.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 1423.11 ms. Allocated memory is still 381.7 MB. Free memory was 337.1 MB in the beginning and 334.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 8807.11 ms. Allocated memory was 381.7 MB in the beginning and 555.7 MB in the end (delta: 174.1 MB). Free memory was 333.3 MB in the beginning and 509.1 MB in the end (delta: -175.9 MB). Peak memory consumption was 302.3 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 2383.4ms, 101 PlacesBefore, 47 PlacesAfterwards, 93 TransitionsBefore, 38 TransitionsAfterwards, 1602 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 2976 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1503, positive: 1420, positive conditional: 0, positive unconditional: 1420, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, positive: 1019, positive conditional: 0, positive unconditional: 1019, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, positive: 1019, positive conditional: 0, positive unconditional: 1019, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, positive: 1013, positive conditional: 0, positive unconditional: 1013, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 379, negative conditional: 0, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 1503, positive: 401, positive conditional: 0, positive unconditional: 401, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 911.1ms, 44 PlacesBefore, 33 PlacesAfterwards, 35 TransitionsBefore, 24 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1017 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 293, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 248, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 231, negative conditional: 0, negative unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 293, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 118, Positive conditional cache size: 0, Positive unconditional cache size: 118, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 918.8ms, 36 PlacesBefore, 30 PlacesAfterwards, 22 TransitionsBefore, 20 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 657 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 197, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 197, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.4ms, 36 PlacesBefore, 36 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 60, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 59.8ms, 41 PlacesBefore, 39 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 56, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 36.8ms, 45 PlacesBefore, 43 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 191 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 43, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3187.1ms, 47 PlacesBefore, 41 PlacesAfterwards, 26 TransitionsBefore, 23 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 297 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 68, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L709]               0  int __unbuffered_cnt = 0;
[L711]               0  int __unbuffered_p2_EAX = 0;
[L713]               0  int __unbuffered_p2_EBX = 0;
[L714]               0  _Bool main$tmp_guard0;
[L715]               0  _Bool main$tmp_guard1;
[L717]               0  int x = 0;
[L719]               0  int y = 0;
[L720]               0  _Bool y$flush_delayed;
[L721]               0  int y$mem_tmp;
[L722]               0  _Bool y$r_buff0_thd0;
[L723]               0  _Bool y$r_buff0_thd1;
[L724]               0  _Bool y$r_buff0_thd2;
[L725]               0  _Bool y$r_buff0_thd3;
[L726]               0  _Bool y$r_buff1_thd0;
[L727]               0  _Bool y$r_buff1_thd1;
[L728]               0  _Bool y$r_buff1_thd2;
[L729]               0  _Bool y$r_buff1_thd3;
[L730]               0  _Bool y$read_delayed;
[L731]               0  int *y$read_delayed_var;
[L732]               0  int y$w_buff0;
[L733]               0  _Bool y$w_buff0_used;
[L734]               0  int y$w_buff1;
[L735]               0  _Bool y$w_buff1_used;
[L736]               0  _Bool weak$$choice0;
[L737]               0  _Bool weak$$choice2;
[L828]               0  pthread_t t2399;
[L829]  FCALL, FORK  0  pthread_create(&t2399, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L830]               0  pthread_t t2400;
[L831]  FCALL, FORK  0  pthread_create(&t2400, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L832]               0  pthread_t t2401;
[L833]  FCALL, FORK  0  pthread_create(&t2401, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]
[L741]               1  y$w_buff1 = y$w_buff0
[L742]               1  y$w_buff0 = 1
[L743]               1  y$w_buff1_used = y$w_buff0_used
[L744]               1  y$w_buff0_used = (_Bool)1
[L18]   COND FALSE   1  !(!expression)
[L746]               1  y$r_buff1_thd0 = y$r_buff0_thd0
[L747]               1  y$r_buff1_thd1 = y$r_buff0_thd1
[L748]               1  y$r_buff1_thd2 = y$r_buff0_thd2
[L749]               1  y$r_buff1_thd3 = y$r_buff0_thd3
[L750]               1  y$r_buff0_thd1 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L753]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L770]               2  x = 2
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L787]               3  __unbuffered_p2_EAX = x
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L790]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L791]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L792]               3  y$flush_delayed = weak$$choice2
[L793]               3  y$mem_tmp = y
[L794]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L794]               3  y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1)
[L795]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L795]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)
[L795]  EXPR         3  weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L795]               3  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0))
[L796]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L796]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)
[L796]  EXPR         3  weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L796]               3  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1))
[L797]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L797]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)
[L797]  EXPR         3  weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L797]               3  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used))
[L798]  EXPR         3  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L798]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)
[L798]  EXPR         3  weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L798]               3  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L799]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L799]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)
[L799]  EXPR         3  weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L799]               3  y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3))
[L800]  EXPR         3  weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L800]  EXPR         3  !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)
[L800]  EXPR         3  weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L800]               3  y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L801]               3  __unbuffered_p2_EBX = y
[L802]  EXPR         3  y$flush_delayed ? y$mem_tmp : y
[L802]               3  y = y$flush_delayed ? y$mem_tmp : y
[L803]               3  y$flush_delayed = (_Bool)0
        VAL             [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0]
[L806]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L806]  EXPR         3  y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y
[L806]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L806]               3  y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y)
[L807]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used
[L807]               3  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used
[L808]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used
[L808]               3  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used
[L809]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3
[L809]               3  y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3
[L810]  EXPR         3  y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3
[L810]               3  y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3
[L773]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L773]  EXPR         2  y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y
[L773]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L773]               2  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L774]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L774]               2  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L775]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L775]               2  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L776]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L776]               2  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L777]  EXPR         2  y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L777]               2  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
[L756]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L756]               1  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y)
[L757]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L757]               1  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used
[L758]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L758]               1  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used
[L759]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L759]               1  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1
[L760]  EXPR         1  y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L760]               1  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1
[L763]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L765]               1  return 0;
[L780]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L782]               2  return 0;
[L813]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L815]               3  return 0;
[L835]               0  main$tmp_guard0 = __unbuffered_cnt == 3
[L3]    COND FALSE   0  !(!cond)
[L839]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L839]  EXPR         0  y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y
[L839]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L839]               0  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L840]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L840]               0  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L841]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L841]               0  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L842]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L842]               0  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L843]  EXPR         0  y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L843]               0  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
[L846]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0)
[L18]   COND TRUE    0  !expression
[L18]                0  reach_error()
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8629.5ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 301.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2455.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 103 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 50.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.8ms SsaConstructionTime, 215.9ms SatisfiabilityAnalysisTime, 254.3ms InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...