/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-NoLbe-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 04:06:46,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 04:06:46,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 04:06:46,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 04:06:46,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 04:06:46,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 04:06:46,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 04:06:46,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 04:06:46,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 04:06:46,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 04:06:46,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 04:06:46,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 04:06:46,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 04:06:46,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 04:06:46,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 04:06:46,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 04:06:46,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 04:06:46,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 04:06:46,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 04:06:46,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 04:06:46,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 04:06:46,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 04:06:46,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 04:06:46,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 04:06:46,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 04:06:46,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 04:06:46,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 04:06:46,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 04:06:46,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 04:06:46,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 04:06:46,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 04:06:46,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 04:06:46,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 04:06:46,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 04:06:46,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 04:06:46,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 04:06:46,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 04:06:46,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 04:06:46,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 04:06:46,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 04:06:46,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 04:06:46,855 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-NoLbe-Before.epf [2022-01-19 04:06:46,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 04:06:46,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 04:06:46,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 04:06:46,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 04:06:46,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 04:06:46,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 04:06:46,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 04:06:46,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 04:06:46,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 04:06:46,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 04:06:46,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 04:06:46,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 04:06:46,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:06:46,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 04:06:46,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 04:06:46,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 04:06:46,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 04:06:46,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 04:06:46,885 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 04:06:46,885 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 04:06:46,885 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 04:06:46,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 04:06:47,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 04:06:47,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 04:06:47,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 04:06:47,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 04:06:47,061 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 04:06:47,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-01-19 04:06:47,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a797588/89199e232875493ebe9e29eda96f59bd/FLAGda8a632fe [2022-01-19 04:06:47,498 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 04:06:47,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-01-19 04:06:47,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a797588/89199e232875493ebe9e29eda96f59bd/FLAGda8a632fe [2022-01-19 04:06:47,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a797588/89199e232875493ebe9e29eda96f59bd [2022-01-19 04:06:47,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 04:06:47,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 04:06:47,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 04:06:47,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 04:06:47,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 04:06:47,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea67e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47, skipping insertion in model container [2022-01-19 04:06:47,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 04:06:47,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 04:06:47,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i[30690,30703] [2022-01-19 04:06:47,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i[30912,30925] [2022-01-19 04:06:47,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:06:47,767 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 04:06:47,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i[30690,30703] [2022-01-19 04:06:47,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i[30912,30925] [2022-01-19 04:06:47,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:06:47,861 INFO L208 MainTranslator]: Completed translation [2022-01-19 04:06:47,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47 WrapperNode [2022-01-19 04:06:47,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 04:06:47,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 04:06:47,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 04:06:47,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 04:06:47,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,918 INFO L137 Inliner]: procedures = 177, calls = 44, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 262 [2022-01-19 04:06:47,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 04:06:47,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 04:06:47,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 04:06:47,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 04:06:47,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 04:06:47,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 04:06:47,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 04:06:47,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 04:06:47,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (1/1) ... [2022-01-19 04:06:47,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:06:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:06:47,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 04:06:48,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 04:06:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-01-19 04:06:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-01-19 04:06:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-01-19 04:06:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-01-19 04:06:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 04:06:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-01-19 04:06:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 04:06:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 04:06:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 04:06:48,034 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 04:06:48,151 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 04:06:48,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 04:06:48,386 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 04:06:48,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 04:06:48,470 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-19 04:06:48,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:06:48 BoogieIcfgContainer [2022-01-19 04:06:48,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 04:06:48,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 04:06:48,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 04:06:48,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 04:06:48,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 04:06:47" (1/3) ... [2022-01-19 04:06:48,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695bf1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:06:48, skipping insertion in model container [2022-01-19 04:06:48,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:06:47" (2/3) ... [2022-01-19 04:06:48,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695bf1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:06:48, skipping insertion in model container [2022-01-19 04:06:48,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:06:48" (3/3) ... [2022-01-19 04:06:48,481 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2022-01-19 04:06:48,488 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 04:06:48,489 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-19 04:06:48,489 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 04:06:48,522 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,522 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,522 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,522 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,522 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,523 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,523 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,523 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,523 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,523 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,524 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,524 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,524 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,524 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,525 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,525 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,525 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,525 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,525 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,527 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,528 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,528 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,528 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,528 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,530 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,530 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,531 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,532 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,533 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,534 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,538 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,538 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,538 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,538 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,538 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,539 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,540 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,541 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,542 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,542 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,542 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,542 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,542 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,544 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,545 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,545 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,545 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,546 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,546 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,548 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,551 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,552 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,552 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,552 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,552 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,553 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,553 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,553 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,553 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,553 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,554 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,554 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,555 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,556 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,557 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,558 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,559 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,562 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,563 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,563 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,563 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,563 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,563 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,564 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,564 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,564 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,565 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,566 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,567 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,568 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,569 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,570 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,571 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,572 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,573 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,573 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,573 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,573 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,576 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,577 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,578 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,579 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,579 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,583 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,583 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,584 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,585 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,586 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,587 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,587 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,587 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,587 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,588 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,589 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,590 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,590 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,591 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,591 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,591 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,591 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,591 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,592 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,593 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,594 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,595 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,599 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,599 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,599 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,600 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,601 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,602 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,603 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,603 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,603 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,603 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,604 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,605 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,606 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,606 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,606 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,606 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,606 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,607 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,608 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,608 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,608 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:06:48,611 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 04:06:48,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 04:06:48,666 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 04:06:48,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-19 04:06:48,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 179 transitions, 382 flow [2022-01-19 04:06:48,739 INFO L129 PetriNetUnfolder]: 18/176 cut-off events. [2022-01-19 04:06:48,739 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 04:06:48,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 176 events. 18/176 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2022-01-19 04:06:48,744 INFO L82 GeneralOperation]: Start removeDead. Operand has 171 places, 179 transitions, 382 flow [2022-01-19 04:06:48,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 164 transitions, 343 flow [2022-01-19 04:06:48,784 INFO L129 PetriNetUnfolder]: 9/122 cut-off events. [2022-01-19 04:06:48,784 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 04:06:48,784 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:48,785 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:48,785 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:48,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash 8178963, now seen corresponding path program 1 times [2022-01-19 04:06:48,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:48,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990295641] [2022-01-19 04:06:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:48,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:06:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:06:49,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:06:49,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990295641] [2022-01-19 04:06:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990295641] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:06:49,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:06:49,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 04:06:49,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525729994] [2022-01-19 04:06:49,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:06:49,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:06:49,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:06:49,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:06:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:06:49,046 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 179 [2022-01-19 04:06:49,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 164 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:06:49,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 179 [2022-01-19 04:06:49,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:06:49,338 INFO L129 PetriNetUnfolder]: 629/1607 cut-off events. [2022-01-19 04:06:49,339 INFO L130 PetriNetUnfolder]: For 265/265 co-relation queries the response was YES. [2022-01-19 04:06:49,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2580 conditions, 1607 events. 629/1607 cut-off events. For 265/265 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 10425 event pairs, 272 based on Foata normal form. 180/1614 useless extension candidates. Maximal degree in co-relation 1802. Up to 618 conditions per place. [2022-01-19 04:06:49,358 INFO L132 encePairwiseOnDemand]: 170/179 looper letters, 40 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-01-19 04:06:49,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 171 transitions, 447 flow [2022-01-19 04:06:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:06:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:06:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-01-19 04:06:49,373 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8975791433891993 [2022-01-19 04:06:49,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-01-19 04:06:49,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-01-19 04:06:49,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:06:49,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-01-19 04:06:49,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,390 INFO L186 Difference]: Start difference. First operand has 156 places, 164 transitions, 343 flow. Second operand 3 states and 482 transitions. [2022-01-19 04:06:49,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 171 transitions, 447 flow [2022-01-19 04:06:49,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 171 transitions, 434 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-01-19 04:06:49,399 INFO L242 Difference]: Finished difference. Result has 155 places, 159 transitions, 336 flow [2022-01-19 04:06:49,400 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=155, PETRI_TRANSITIONS=159} [2022-01-19 04:06:49,403 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, -1 predicate places. [2022-01-19 04:06:49,403 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 159 transitions, 336 flow [2022-01-19 04:06:49,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,403 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:49,404 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:49,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 04:06:49,404 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:49,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash 959725496, now seen corresponding path program 1 times [2022-01-19 04:06:49,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:49,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749115215] [2022-01-19 04:06:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:49,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:06:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:06:49,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:06:49,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749115215] [2022-01-19 04:06:49,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749115215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:06:49,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:06:49,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 04:06:49,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915529017] [2022-01-19 04:06:49,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:06:49,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:06:49,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:06:49,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:06:49,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:06:49,561 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 179 [2022-01-19 04:06:49,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 159 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:06:49,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 179 [2022-01-19 04:06:49,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:06:49,705 INFO L129 PetriNetUnfolder]: 402/1183 cut-off events. [2022-01-19 04:06:49,705 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-01-19 04:06:49,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1815 conditions, 1183 events. 402/1183 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7323 event pairs, 79 based on Foata normal form. 0/1032 useless extension candidates. Maximal degree in co-relation 1139. Up to 395 conditions per place. [2022-01-19 04:06:49,732 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 26 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2022-01-19 04:06:49,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 168 transitions, 413 flow [2022-01-19 04:06:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:06:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:06:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2022-01-19 04:06:49,733 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9087523277467412 [2022-01-19 04:06:49,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:06:49,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,736 INFO L186 Difference]: Start difference. First operand has 155 places, 159 transitions, 336 flow. Second operand 3 states and 488 transitions. [2022-01-19 04:06:49,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 168 transitions, 413 flow [2022-01-19 04:06:49,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 168 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 04:06:49,742 INFO L242 Difference]: Finished difference. Result has 157 places, 159 transitions, 342 flow [2022-01-19 04:06:49,742 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=157, PETRI_TRANSITIONS=159} [2022-01-19 04:06:49,743 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, 1 predicate places. [2022-01-19 04:06:49,743 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 159 transitions, 342 flow [2022-01-19 04:06:49,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:49,744 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:49,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 04:06:49,744 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -313279830, now seen corresponding path program 1 times [2022-01-19 04:06:49,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:49,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866854] [2022-01-19 04:06:49,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:49,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:06:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:06:49,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:06:49,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866854] [2022-01-19 04:06:49,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866854] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:06:49,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:06:49,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 04:06:49,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346359567] [2022-01-19 04:06:49,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:06:49,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 04:06:49,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:06:49,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 04:06:49,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 04:06:49,847 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 179 [2022-01-19 04:06:49,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 159 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:06:49,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 179 [2022-01-19 04:06:49,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:06:49,983 INFO L129 PetriNetUnfolder]: 399/1164 cut-off events. [2022-01-19 04:06:49,983 INFO L130 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2022-01-19 04:06:49,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 1164 events. 399/1164 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 7141 event pairs, 94 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 1268. Up to 363 conditions per place. [2022-01-19 04:06:49,992 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 26 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2022-01-19 04:06:49,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 168 transitions, 421 flow [2022-01-19 04:06:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 04:06:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 04:06:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2022-01-19 04:06:49,994 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9087523277467412 [2022-01-19 04:06:49,994 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:06:49,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2022-01-19 04:06:49,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:49,996 INFO L186 Difference]: Start difference. First operand has 157 places, 159 transitions, 342 flow. Second operand 3 states and 488 transitions. [2022-01-19 04:06:49,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 168 transitions, 421 flow [2022-01-19 04:06:49,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 168 transitions, 417 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 04:06:50,001 INFO L242 Difference]: Finished difference. Result has 158 places, 159 transitions, 346 flow [2022-01-19 04:06:50,001 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=158, PETRI_TRANSITIONS=159} [2022-01-19 04:06:50,002 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, 2 predicate places. [2022-01-19 04:06:50,003 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 159 transitions, 346 flow [2022-01-19 04:06:50,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,003 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:50,003 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:50,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 04:06:50,003 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash -248755396, now seen corresponding path program 1 times [2022-01-19 04:06:50,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:50,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764013198] [2022-01-19 04:06:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:50,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:06:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:06:50,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:06:50,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764013198] [2022-01-19 04:06:50,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764013198] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:06:50,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:06:50,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 04:06:50,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339897148] [2022-01-19 04:06:50,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:06:50,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 04:06:50,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:06:50,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 04:06:50,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-19 04:06:50,138 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 179 [2022-01-19 04:06:50,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 159 transitions, 346 flow. Second operand has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:06:50,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 179 [2022-01-19 04:06:50,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:06:50,456 INFO L129 PetriNetUnfolder]: 779/1700 cut-off events. [2022-01-19 04:06:50,456 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-01-19 04:06:50,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3076 conditions, 1700 events. 779/1700 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11392 event pairs, 174 based on Foata normal form. 96/1704 useless extension candidates. Maximal degree in co-relation 2920. Up to 959 conditions per place. [2022-01-19 04:06:50,468 INFO L132 encePairwiseOnDemand]: 161/179 looper letters, 93 selfloop transitions, 31 changer transitions 0/239 dead transitions. [2022-01-19 04:06:50,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 239 transitions, 790 flow [2022-01-19 04:06:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 04:06:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 04:06:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1166 transitions. [2022-01-19 04:06:50,471 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8142458100558659 [2022-01-19 04:06:50,471 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1166 transitions. [2022-01-19 04:06:50,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1166 transitions. [2022-01-19 04:06:50,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:06:50,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1166 transitions. [2022-01-19 04:06:50,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 145.75) internal successors, (1166), 8 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 179.0) internal successors, (1611), 9 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,475 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 179.0) internal successors, (1611), 9 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,475 INFO L186 Difference]: Start difference. First operand has 158 places, 159 transitions, 346 flow. Second operand 8 states and 1166 transitions. [2022-01-19 04:06:50,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 239 transitions, 790 flow [2022-01-19 04:06:50,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 239 transitions, 786 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 04:06:50,480 INFO L242 Difference]: Finished difference. Result has 169 places, 192 transitions, 589 flow [2022-01-19 04:06:50,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=589, PETRI_PLACES=169, PETRI_TRANSITIONS=192} [2022-01-19 04:06:50,481 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, 13 predicate places. [2022-01-19 04:06:50,481 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 192 transitions, 589 flow [2022-01-19 04:06:50,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,482 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:50,482 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:50,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 04:06:50,483 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:50,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash 781087292, now seen corresponding path program 1 times [2022-01-19 04:06:50,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:50,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002295134] [2022-01-19 04:06:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:50,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 04:06:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 04:06:50,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 04:06:50,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002295134] [2022-01-19 04:06:50,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002295134] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 04:06:50,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 04:06:50,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 04:06:50,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792847371] [2022-01-19 04:06:50,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 04:06:50,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 04:06:50,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 04:06:50,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 04:06:50,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-19 04:06:50,566 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 179 [2022-01-19 04:06:50,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 192 transitions, 589 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 04:06:50,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 179 [2022-01-19 04:06:50,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 04:06:50,935 INFO L129 PetriNetUnfolder]: 855/1909 cut-off events. [2022-01-19 04:06:50,936 INFO L130 PetriNetUnfolder]: For 2645/2658 co-relation queries the response was YES. [2022-01-19 04:06:50,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5078 conditions, 1909 events. 855/1909 cut-off events. For 2645/2658 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 13084 event pairs, 89 based on Foata normal form. 32/1865 useless extension candidates. Maximal degree in co-relation 4884. Up to 655 conditions per place. [2022-01-19 04:06:50,951 INFO L132 encePairwiseOnDemand]: 158/179 looper letters, 117 selfloop transitions, 37 changer transitions 0/269 dead transitions. [2022-01-19 04:06:50,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 269 transitions, 1207 flow [2022-01-19 04:06:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 04:06:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 04:06:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1430 transitions. [2022-01-19 04:06:50,954 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7988826815642458 [2022-01-19 04:06:50,954 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1430 transitions. [2022-01-19 04:06:50,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1430 transitions. [2022-01-19 04:06:50,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 04:06:50,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1430 transitions. [2022-01-19 04:06:50,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.0) internal successors, (1430), 10 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,959 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,959 INFO L186 Difference]: Start difference. First operand has 169 places, 192 transitions, 589 flow. Second operand 10 states and 1430 transitions. [2022-01-19 04:06:50,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 269 transitions, 1207 flow [2022-01-19 04:06:50,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 269 transitions, 1207 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 04:06:50,970 INFO L242 Difference]: Finished difference. Result has 183 places, 208 transitions, 828 flow [2022-01-19 04:06:50,970 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=828, PETRI_PLACES=183, PETRI_TRANSITIONS=208} [2022-01-19 04:06:50,970 INFO L334 CegarLoopForPetriNet]: 156 programPoint places, 27 predicate places. [2022-01-19 04:06:50,970 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 208 transitions, 828 flow [2022-01-19 04:06:50,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 04:06:50,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:06:50,971 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:06:50,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 04:06:50,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-01-19 04:06:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:06:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 648760508, now seen corresponding path program 2 times [2022-01-19 04:06:50,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:06:50,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977477951] [2022-01-19 04:06:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:06:50,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:06:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 04:06:50,984 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 04:06:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 04:06:51,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 04:06:51,012 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 04:06:51,012 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 7 remaining) [2022-01-19 04:06:51,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-01-19 04:06:51,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 04:06:51,016 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-01-19 04:06:51,019 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 04:06:51,019 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 04:06:51,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 04:06:51 BasicIcfg [2022-01-19 04:06:51,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 04:06:51,067 INFO L158 Benchmark]: Toolchain (without parser) took 3546.99ms. Allocated memory was 394.3MB in the beginning and 503.3MB in the end (delta: 109.1MB). Free memory was 334.9MB in the beginning and 338.0MB in the end (delta: -3.1MB). Peak memory consumption was 105.0MB. Max. memory is 16.0GB. [2022-01-19 04:06:51,067 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 394.3MB. Free memory was 352.7MB in the beginning and 352.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 04:06:51,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.07ms. Allocated memory was 394.3MB in the beginning and 503.3MB in the end (delta: 109.1MB). Free memory was 334.7MB in the beginning and 462.3MB in the end (delta: -127.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. [2022-01-19 04:06:51,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.74ms. Allocated memory is still 503.3MB. Free memory was 462.3MB in the beginning and 459.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-19 04:06:51,068 INFO L158 Benchmark]: Boogie Preprocessor took 34.95ms. Allocated memory is still 503.3MB. Free memory was 459.2MB in the beginning and 458.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 04:06:51,068 INFO L158 Benchmark]: RCFGBuilder took 517.18ms. Allocated memory is still 503.3MB. Free memory was 458.1MB in the beginning and 423.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2022-01-19 04:06:51,068 INFO L158 Benchmark]: TraceAbstraction took 2593.24ms. Allocated memory is still 503.3MB. Free memory was 422.5MB in the beginning and 338.0MB in the end (delta: 84.5MB). Peak memory consumption was 86.6MB. Max. memory is 16.0GB. [2022-01-19 04:06:51,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 394.3MB. Free memory was 352.7MB in the beginning and 352.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 341.07ms. Allocated memory was 394.3MB in the beginning and 503.3MB in the end (delta: 109.1MB). Free memory was 334.7MB in the beginning and 462.3MB in the end (delta: -127.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.74ms. Allocated memory is still 503.3MB. Free memory was 462.3MB in the beginning and 459.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.95ms. Allocated memory is still 503.3MB. Free memory was 459.2MB in the beginning and 458.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 517.18ms. Allocated memory is still 503.3MB. Free memory was 458.1MB in the beginning and 423.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 2593.24ms. Allocated memory is still 503.3MB. Free memory was 422.5MB in the beginning and 338.0MB in the end (delta: 84.5MB). Peak memory consumption was 86.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 712]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; VAL [idx=0] [L690] 0 int ctr1=1, ctr2=0; VAL [ctr1=1, ctr2=0, idx=0] [L691] 0 int readerprogress1=0, readerprogress2=0; VAL [ctr1=1, ctr2=0, idx=0, readerprogress1=0, readerprogress2=0] [L692] 0 pthread_mutex_t mutex; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L782] 0 pthread_t t1, t2, t3; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, pthread_create(&t1, 0, qrcu_reader1, 0)=-2, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L724] 1 int myidx; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L726] 1 myidx = idx VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, pthread_create(&t2, 0, qrcu_reader2, 0)=-1, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, pthread_create(&t3, 0, qrcu_updater, 0)=0, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L762] 3 int i; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0] [L764] 3 int sum; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0] [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND TRUE 3 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0] [L766] 3 sum = ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L766] 3 sum = sum + ctr2 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L767] COND TRUE 3 sum <= 1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L767] COND FALSE 3 !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L767] 3 sum = ctr2 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=0] [L767] 3 sum = sum + ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L769] COND FALSE 3 !(sum > 1) VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1=1, readerstart2=0, sum=1] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [arg={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=1, readerprogress2=0] [L777] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L710] COND TRUE 3 __VERIFIER_nondet_int() [L711] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L711] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L712] COND TRUE 3 !(0) [L712] 3 reach_error() VAL [\old(readerstart1)=1, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0, readerstart1=1] - UnprovableResult [Line: 719]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 785]: 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: 784]: 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: 786]: 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 7 procedures, 261 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 765 IncrementalHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 58 mSDtfsCounter, 765 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=828occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 1407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-01-19 04:06:51,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...