/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/chl/match-symm.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-06 16:17:22,940 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-06 16:17:22,944 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-06 16:17:22,989 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-06 16:17:22,989 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-06 16:17:22,997 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-06 16:17:23,001 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-06 16:17:23,006 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-10-06 16:17:23,020 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-06 16:17:23,034 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-06 16:17:23,036 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-06 16:17:23,038 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-06 16:17:23,039 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-06 16:17:23,040 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-06 16:17:23,042 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-06 16:17:23,044 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-06 16:17:23,046 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-06 16:17:23,048 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-06 16:17:23,049 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-06 16:17:23,050 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-06 16:17:23,054 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-06 16:17:23,054 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-06 16:17:23,056 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-06 16:17:23,056 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-06 16:17:23,058 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-06 16:17:23,058 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-06 16:17:23,059 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-06 16:17:23,060 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-06 16:17:23,061 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-06 16:17:23,062 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-06 16:17:23,063 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-06 16:17:23,063 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-10-06 16:17:23,064 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-06 16:17:23,065 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-06 16:17:23,066 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-06 16:17:23,067 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-10-06 16:17:23,101 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-06 16:17:23,101 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-06 16:17:23,102 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-06 16:17:23,102 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-06 16:17:23,105 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-06 16:17:23,106 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-06 16:17:23,106 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-06 16:17:23,106 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-06 16:17:23,106 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-06 16:17:23,107 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-06 16:17:23,107 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-06 16:17:23,107 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-06 16:17:23,107 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-06 16:17:23,107 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-06 16:17:23,108 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-06 16:17:23,109 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-06 16:17:23,109 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-06 16:17:23,109 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-06 16:17:23,110 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-06 16:17:23,110 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-06 16:17:23,110 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-06 16:17:23,111 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-06 16:17:23,111 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-06 16:17:23,111 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-06 16:17:23,111 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 16:17:23,112 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-06 16:17:23,112 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-06 16:17:23,112 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-06 16:17:23,112 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-06 16:17:23,112 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-06 16:17:23,113 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-06 16:17:23,113 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-06 16:17:23,113 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-06 16:17:23,559 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-06 16:17:23,612 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-06 16:17:23,615 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-06 16:17:23,617 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-06 16:17:23,618 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-06 16:17:23,619 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/match-symm.wvr.c
[2021-10-06 16:17:23,709 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98f09f458/cf133f6026e94951a3d617b9c1420597/FLAG3aaefd629
[2021-10-06 16:17:24,334 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-06 16:17:24,335 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-symm.wvr.c
[2021-10-06 16:17:24,345 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98f09f458/cf133f6026e94951a3d617b9c1420597/FLAG3aaefd629
[2021-10-06 16:17:24,681 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98f09f458/cf133f6026e94951a3d617b9c1420597
[2021-10-06 16:17:24,685 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-06 16:17:24,693 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-06 16:17:24,699 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-06 16:17:24,699 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-06 16:17:24,703 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-06 16:17:24,705 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:24" (1/1) ...
[2021-10-06 16:17:24,708 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d94c6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:24, skipping insertion in model container
[2021-10-06 16:17:24,708 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:24" (1/1) ...
[2021-10-06 16:17:24,721 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-06 16:17:24,747 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 16:17:24,916 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-symm.wvr.c[2540,2553]
[2021-10-06 16:17:24,918 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 16:17:24,929 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-06 16:17:24,986 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-symm.wvr.c[2540,2553]
[2021-10-06 16:17:24,987 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 16:17:25,017 INFO  L208         MainTranslator]: Completed translation
[2021-10-06 16:17:25,018 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25 WrapperNode
[2021-10-06 16:17:25,019 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-06 16:17:25,021 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-06 16:17:25,021 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-06 16:17:25,021 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-06 16:17:25,032 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,055 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,083 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-06 16:17:25,084 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-06 16:17:25,084 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-06 16:17:25,084 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-06 16:17:25,097 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,098 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,100 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,101 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,107 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,109 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,111 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,115 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-06 16:17:25,116 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-06 16:17:25,116 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-06 16:17:25,116 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-06 16:17:25,117 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (1/1) ...
[2021-10-06 16:17:25,134 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 16:17:25,153 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-06 16:17:25,176 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-06 16:17:25,198 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-06 16:17:25,267 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-06 16:17:25,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-06 16:17:25,268 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-06 16:17:25,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-06 16:17:25,268 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-06 16:17:25,268 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-06 16:17:25,268 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-06 16:17:25,269 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-06 16:17:25,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-06 16:17:25,269 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-06 16:17:25,269 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-06 16:17:25,271 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-06 16:17:25,743 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-06 16:17:25,743 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-10-06 16:17:25,746 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:25 BoogieIcfgContainer
[2021-10-06 16:17:25,746 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-06 16:17:25,748 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-06 16:17:25,749 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-06 16:17:25,753 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-06 16:17:25,753 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:17:24" (1/3) ...
[2021-10-06 16:17:25,754 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1478d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:25, skipping insertion in model container
[2021-10-06 16:17:25,755 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:25" (2/3) ...
[2021-10-06 16:17:25,755 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1478d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:25, skipping insertion in model container
[2021-10-06 16:17:25,755 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:25" (3/3) ...
[2021-10-06 16:17:25,757 INFO  L111   eAbstractionObserver]: Analyzing ICFG match-symm.wvr.c
[2021-10-06 16:17:25,765 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-06 16:17:25,766 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-06 16:17:25,766 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2021-10-06 16:17:25,766 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-06 16:17:25,844 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,845 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,846 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,848 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,848 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,849 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,849 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,849 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,850 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,850 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,850 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,850 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,851 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,853 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,854 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,854 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,854 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,855 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,856 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,856 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,857 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,857 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,857 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,858 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,860 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,860 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,860 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,861 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,862 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,863 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,863 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,863 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,865 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,866 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,867 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,868 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,868 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,869 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,869 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,870 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,870 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,870 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,870 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,870 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,872 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,872 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,872 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,873 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,873 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,873 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,874 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,874 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,878 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,878 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,882 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,882 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,883 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,884 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,885 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,885 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,885 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,886 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,886 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,887 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,892 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,893 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,893 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,894 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,895 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,895 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,906 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,906 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,907 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,907 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,907 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,907 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 16:17:25,937 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-06 16:17:26,024 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-06 16:17:26,039 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-06 16:17:26,039 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 34 error locations.
[2021-10-06 16:17:26,067 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-06 16:17:26,103 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 156 transitions, 328 flow
[2021-10-06 16:17:26,112 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 156 transitions, 328 flow
[2021-10-06 16:17:26,114 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 152 places, 156 transitions, 328 flow
[2021-10-06 16:17:26,261 INFO  L129       PetriNetUnfolder]: 11/154 cut-off events.
[2021-10-06 16:17:26,261 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-06 16:17:26,268 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 163 conditions, 154 events. 11/154 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 281 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. 
[2021-10-06 16:17:26,277 INFO  L116        LiptonReduction]: Number of co-enabled transitions 4028
[2021-10-06 16:17:33,057 INFO  L131        LiptonReduction]: Checked pairs total: 5029
[2021-10-06 16:17:33,058 INFO  L133        LiptonReduction]: Total number of compositions: 213
[2021-10-06 16:17:33,069 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 74 flow
[2021-10-06 16:17:33,095 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 238 states, 158 states have (on average 3.348101265822785) internal successors, (529), 237 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-06 16:17:33,099 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 238 states, 158 states have (on average 3.348101265822785) internal successors, (529), 237 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-06 16:17:33,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-06 16:17:33,105 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 16:17:33,106 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-06 16:17:33,106 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] ===
[2021-10-06 16:17:33,113 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 16:17:33,113 INFO  L82        PathProgramCache]: Analyzing trace with hash 664552, now seen corresponding path program 1 times
[2021-10-06 16:17:33,123 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-06 16:17:33,124 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201350880]
[2021-10-06 16:17:33,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 16:17:33,125 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-06 16:17:33,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-06 16:17:33,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-06 16:17:33,305 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-06 16:17:33,305 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201350880]
[2021-10-06 16:17:33,307 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201350880] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-06 16:17:33,307 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-06 16:17:33,307 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-06 16:17:33,309 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746019885]
[2021-10-06 16:17:33,316 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-06 16:17:33,317 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-06 16:17:33,334 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-06 16:17:33,335 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-06 16:17:33,339 INFO  L87              Difference]: Start difference. First operand  has 238 states, 158 states have (on average 3.348101265822785) internal successors, (529), 237 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-06 16:17:33,361 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-06 16:17:33,361 INFO  L93              Difference]: Finished difference Result 94 states and 193 transitions.
[2021-10-06 16:17:33,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-06 16:17:33,363 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2021-10-06 16:17:33,363 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-06 16:17:33,391 INFO  L225             Difference]: With dead ends: 94
[2021-10-06 16:17:33,392 INFO  L226             Difference]: Without dead ends: 94
[2021-10-06 16:17:33,393 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-06 16:17:33,415 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2021-10-06 16:17:33,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2021-10-06 16:17:33,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 70 states have (on average 2.757142857142857) internal successors, (193), 93 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-06 16:17:33,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 193 transitions.
[2021-10-06 16:17:33,444 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 193 transitions. Word has length 3
[2021-10-06 16:17:33,445 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-06 16:17:33,446 INFO  L470      AbstractCegarLoop]: Abstraction has 94 states and 193 transitions.
[2021-10-06 16:17:33,446 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-06 16:17:33,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions.
[2021-10-06 16:17:33,447 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-06 16:17:33,447 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 16:17:33,447 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-06 16:17:33,447 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-06 16:17:33,448 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] ===
[2021-10-06 16:17:33,449 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 16:17:33,449 INFO  L82        PathProgramCache]: Analyzing trace with hash 664541, now seen corresponding path program 1 times
[2021-10-06 16:17:33,449 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-06 16:17:33,450 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331311162]
[2021-10-06 16:17:33,450 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 16:17:33,450 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-06 16:17:33,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 16:17:33,485 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-06 16:17:33,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 16:17:33,543 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-06 16:17:33,543 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-06 16:17:33,545 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,548 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,548 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,549 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,549 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,549 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,550 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,550 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,550 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,551 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,551 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,551 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,551 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,552 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,552 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,552 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,552 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,553 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-06 16:17:33,553 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-06 16:17:33,553 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,554 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,554 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,554 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,554 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,555 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,555 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,555 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,555 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,556 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,556 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,556 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,557 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,557 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,557 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-06 16:17:33,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-06 16:17:33,566 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-06 16:17:33,566 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-06 16:17:33,593 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:17:33 BasicIcfg
[2021-10-06 16:17:33,593 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-06 16:17:33,595 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-06 16:17:33,595 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-06 16:17:33,596 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-06 16:17:33,596 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:25" (3/4) ...
[2021-10-06 16:17:33,599 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-06 16:17:33,648 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/match-symm.wvr.c-witness.graphml
[2021-10-06 16:17:33,648 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-06 16:17:33,651 INFO  L168              Benchmark]: Toolchain (without parser) took 8962.92 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 126.5 MB in the beginning and 153.2 MB in the end (delta: -26.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,651 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,652 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 321.18 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 115.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,653 INFO  L168              Benchmark]: Boogie Procedure Inliner took 62.35 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,654 INFO  L168              Benchmark]: Boogie Preprocessor took 30.94 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 112.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,654 INFO  L168              Benchmark]: RCFGBuilder took 630.85 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 130.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,655 INFO  L168              Benchmark]: TraceAbstraction took 7844.71 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 130.2 MB in the beginning and 155.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,656 INFO  L168              Benchmark]: Witness Printer took 53.25 ms. Allocated memory is still 186.6 MB. Free memory was 154.8 MB in the beginning and 153.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-06 16:17:33,660 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 321.18 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 115.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 62.35 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 30.94 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 112.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 630.85 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 130.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 7844.71 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 130.2 MB in the beginning and 155.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB.
 * Witness Printer took 53.25 ms. Allocated memory is still 186.6 MB. Free memory was 154.8 MB in the beginning and 153.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 6946.2ms, 152 PlacesBefore, 36 PlacesAfterwards, 156 TransitionsBefore, 29 TransitionsAfterwards, 4028 CoEnabledTransitionPairs, 8 FixpointIterations, 59 TrivialSequentialCompositions, 108 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 23 ConcurrentYvCompositions, 11 ChoiceCompositions, 213 TotalNumberOfCompositions, 5029 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5029, positive: 5029, positive conditional: 0, positive unconditional: 5029, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2954, positive: 2954, positive conditional: 0, positive unconditional: 2954, 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: 2954, positive: 2954, positive conditional: 0, positive unconditional: 2954, 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: 5029, positive: 2075, positive conditional: 0, positive unconditional: 2075, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2954, unknown conditional: 0, unknown unconditional: 2954] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 41]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L38]               0  int score_0, seq_1_start_1, seq_2_start_2, score_3, seq_1_start_4, seq_2_start_5, result_6, result_7;
[L49]               0  pthread_t t1, t2;
[L51]               0  score_0 = __VERIFIER_nondet_int()
[L52]               0  seq_1_start_1 = __VERIFIER_nondet_int()
[L53]               0  seq_2_start_2 = __VERIFIER_nondet_int()
[L54]               0  score_3 = __VERIFIER_nondet_int()
[L55]               0  seq_1_start_4 = __VERIFIER_nondet_int()
[L56]               0  seq_2_start_5 = __VERIFIER_nondet_int()
[L59]  FCALL, FORK  0  pthread_create(&t1, NULL, thread1, NULL)
       VAL             [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=1, seq_2_start_2=0, seq_2_start_5=2147483647]
[L41]               1  score_0 > score_3 ? - 1 : (score_0 < score_3 ? 1 : (seq_1_start_1 + seq_2_start_2 < seq_1_start_4 + seq_2_start_5 ? -1 : (seq_1_start_1 + seq_2_start_2 > seq_1_start_4 + seq_2_start_5 ? 1 : 0)))
[L41]               1  score_0 < score_3 ? 1 : (seq_1_start_1 + seq_2_start_2 < seq_1_start_4 + seq_2_start_5 ? -1 : (seq_1_start_1 + seq_2_start_2 > seq_1_start_4 + seq_2_start_5 ? 1 : 0))
[L41]               1  seq_1_start_1 + seq_2_start_2
[L41]               1  seq_1_start_4 + seq_2_start_5
       VAL             [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=1, seq_2_start_2=0, seq_2_start_5=2147483647]

  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 59]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 60]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 218 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 7542.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.2ms, AutomataDifference: 76.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7055.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 32.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.9ms SsaConstructionTime, 58.0ms SatisfiabilityAnalysisTime, 57.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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!
[2021-10-06 16:17:33,720 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...