/usr/bin/java -Xmx8000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:25:29,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:25:29,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:25:29,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 21:25:29,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 21:25:29,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 21:25:29,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 21:25:29,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 21:25:29,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 21:25:29,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 21:25:29,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 21:25:29,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 21:25:29,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 21:25:29,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 21:25:29,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 21:25:29,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 21:25:29,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 21:25:29,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 21:25:29,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 21:25:29,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 21:25:29,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 21:25:29,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 21:25:29,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 21:25:29,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 21:25:29,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 21:25:29,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:25:29,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:25:29,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:25:29,511 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-FA-NoLbe.epf [2022-02-10 21:25:29,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:25:29,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:25:29,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:25:29,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:25:29,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:25:29,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:25:29,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:25:29,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:25:29,526 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:25:29,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:25:29,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:25:29,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:25:29,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:25:29,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:25:29,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:25:29,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:25:29,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:25:29,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:25:29,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:25:29,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:25:29,698 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:25:29,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-02-10 21:25:29,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3260eda/d12161266cce422a908b3247a243ab33/FLAGf75383be9 [2022-02-10 21:25:30,121 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:25:30,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2022-02-10 21:25:30,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3260eda/d12161266cce422a908b3247a243ab33/FLAGf75383be9 [2022-02-10 21:25:30,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c3260eda/d12161266cce422a908b3247a243ab33 [2022-02-10 21:25:30,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:25:30,508 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:25:30,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:25:30,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:25:30,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:25:30,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:30,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1131b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30, skipping insertion in model container [2022-02-10 21:25:30,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:30,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:25:30,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:25:30,859 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] [2022-02-10 21:25:30,864 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] [2022-02-10 21:25:30,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:25:30,892 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:25:30,923 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] [2022-02-10 21:25:30,924 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] [2022-02-10 21:25:30,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:25:30,959 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:25:30,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30 WrapperNode [2022-02-10 21:25:30,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:25:30,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:25:30,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:25:30,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:25:30,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,034 INFO L137 Inliner]: procedures = 177, calls = 44, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 262 [2022-02-10 21:25:31,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:25:31,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:25:31,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:25:31,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:25:31,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:25:31,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:25:31,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:25:31,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:25:31,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (1/1) ... [2022-02-10 21:25:31,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:25:31,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:25:31,121 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) [2022-02-10 21:25:31,151 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 [2022-02-10 21:25:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-02-10 21:25:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-02-10 21:25:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-02-10 21:25:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-02-10 21:25:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:25:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:25:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:25:31,169 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:25:31,314 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:25:31,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:25:31,640 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:25:31,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:25:31,749 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-10 21:25:31,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:25:31 BoogieIcfgContainer [2022-02-10 21:25:31,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:25:31,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:25:31,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:25:31,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:25:31,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:25:30" (1/3) ... [2022-02-10 21:25:31,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544e7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:25:31, skipping insertion in model container [2022-02-10 21:25:31,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:25:30" (2/3) ... [2022-02-10 21:25:31,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544e7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:25:31, skipping insertion in model container [2022-02-10 21:25:31,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:25:31" (3/3) ... [2022-02-10 21:25:31,756 INFO L112 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2022-02-10 21:25:31,760 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:25:31,760 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:25:31,761 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 21:25:31,761 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:25:31,827 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,828 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,829 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,830 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,830 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,830 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,830 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,830 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,831 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,834 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,834 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,835 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,835 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,835 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,835 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,835 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,836 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,837 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,838 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,839 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,840 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,841 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,841 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,841 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,841 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,842 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,843 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,845 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,845 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,845 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,845 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,845 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,846 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,847 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,847 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,847 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,847 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,847 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,848 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,849 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,850 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,850 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,850 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,850 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,850 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,851 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,852 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,853 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,854 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,855 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,856 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,857 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,858 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,859 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,860 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,861 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,861 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,861 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,861 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,861 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,862 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,862 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,862 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,863 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,865 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,867 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,868 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,868 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,869 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,870 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,871 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,872 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,873 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,874 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,875 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,876 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,889 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,889 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,890 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,891 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,892 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,892 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,892 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,892 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,892 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,895 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,895 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,895 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,895 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,896 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,897 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,898 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,898 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,898 WARN L322 ript$VariableManager]: TermVariable |qrcu_updaterThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,899 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader1Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,900 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,901 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,902 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,902 WARN L322 ript$VariableManager]: TermVariable |qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:25:31,904 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 21:25:31,951 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:25:31,957 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:25:31,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 21:25:31,970 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 171 places, 179 transitions, 382 flow [2022-02-10 21:25:34,282 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90691 states, 90689 states have (on average 4.156534971165191) internal successors, (376952), 90690 states have internal predecessors, (376952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 90691 states, 90689 states have (on average 4.156534971165191) internal successors, (376952), 90690 states have internal predecessors, (376952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-10 21:25:34,671 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:34,672 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:25:34,672 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:34,676 INFO L85 PathProgramCache]: Analyzing trace with hash 8178963, now seen corresponding path program 1 times [2022-02-10 21:25:34,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:34,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964379448] [2022-02-10 21:25:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:34,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:34,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964379448] [2022-02-10 21:25:34,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964379448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:34,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:34,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:25:34,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490655772] [2022-02-10 21:25:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:34,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:25:34,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:25:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:35,118 INFO L87 Difference]: Start difference. First operand has 90691 states, 90689 states have (on average 4.156534971165191) internal successors, (376952), 90690 states have internal predecessors, (376952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:36,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:36,680 INFO L93 Difference]: Finished difference Result 99006 states and 385938 transitions. [2022-02-10 21:25:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:25:36,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-02-10 21:25:36,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:37,574 INFO L225 Difference]: With dead ends: 99006 [2022-02-10 21:25:37,574 INFO L226 Difference]: Without dead ends: 99006 [2022-02-10 21:25:37,575 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:37,578 INFO L934 BasicCegarLoop]: 182 mSDtfsCounter, 80 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:37,579 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 284 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:25:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99006 states. [2022-02-10 21:25:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99006 to 92354. [2022-02-10 21:25:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92354 states, 92352 states have (on average 3.9220049376299375) internal successors, (362205), 92353 states have internal predecessors, (362205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92354 states to 92354 states and 362205 transitions. [2022-02-10 21:25:41,833 INFO L78 Accepts]: Start accepts. Automaton has 92354 states and 362205 transitions. Word has length 62 [2022-02-10 21:25:41,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:41,834 INFO L470 AbstractCegarLoop]: Abstraction has 92354 states and 362205 transitions. [2022-02-10 21:25:41,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 92354 states and 362205 transitions. [2022-02-10 21:25:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 21:25:42,099 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:42,100 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:25:42,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:25:42,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 930142072, now seen corresponding path program 1 times [2022-02-10 21:25:42,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:42,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089065621] [2022-02-10 21:25:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:42,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:42,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:42,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089065621] [2022-02-10 21:25:42,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089065621] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:42,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:42,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:25:42,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369283636] [2022-02-10 21:25:42,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:42,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:25:42,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:25:42,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:42,233 INFO L87 Difference]: Start difference. First operand 92354 states and 362205 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:43,104 INFO L93 Difference]: Finished difference Result 91154 states and 357485 transitions. [2022-02-10 21:25:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:25:43,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-02-10 21:25:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:43,944 INFO L225 Difference]: With dead ends: 91154 [2022-02-10 21:25:43,945 INFO L226 Difference]: Without dead ends: 91154 [2022-02-10 21:25:43,945 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:43,946 INFO L934 BasicCegarLoop]: 140 mSDtfsCounter, 77 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:43,949 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:25:44,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91154 states. [2022-02-10 21:25:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91154 to 91154. [2022-02-10 21:25:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91154 states, 91152 states have (on average 3.9218558012989293) internal successors, (357485), 91153 states have internal predecessors, (357485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91154 states to 91154 states and 357485 transitions. [2022-02-10 21:25:47,132 INFO L78 Accepts]: Start accepts. Automaton has 91154 states and 357485 transitions. Word has length 67 [2022-02-10 21:25:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:47,132 INFO L470 AbstractCegarLoop]: Abstraction has 91154 states and 357485 transitions. [2022-02-10 21:25:47,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 91154 states and 357485 transitions. [2022-02-10 21:25:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-10 21:25:47,462 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:47,462 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:25:47,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:25:47,462 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:47,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1230365974, now seen corresponding path program 1 times [2022-02-10 21:25:47,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:47,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543547626] [2022-02-10 21:25:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:47,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:25:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:25:47,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:25:47,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543547626] [2022-02-10 21:25:47,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543547626] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:25:47,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:25:47,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:25:47,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827562404] [2022-02-10 21:25:47,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:25:47,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:25:47,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:25:47,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:25:47,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:47,551 INFO L87 Difference]: Start difference. First operand 91154 states and 357485 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:48,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:25:48,336 INFO L93 Difference]: Finished difference Result 89909 states and 352624 transitions. [2022-02-10 21:25:48,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:25:48,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-02-10 21:25:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:25:48,863 INFO L225 Difference]: With dead ends: 89909 [2022-02-10 21:25:48,863 INFO L226 Difference]: Without dead ends: 89909 [2022-02-10 21:25:48,863 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:25:48,864 INFO L934 BasicCegarLoop]: 140 mSDtfsCounter, 79 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:25:48,864 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 240 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:25:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89909 states. [2022-02-10 21:25:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89909 to 89909. [2022-02-10 21:25:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89909 states, 89907 states have (on average 3.9220972782986863) internal successors, (352624), 89908 states have internal predecessors, (352624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89909 states to 89909 states and 352624 transitions. [2022-02-10 21:25:52,469 INFO L78 Accepts]: Start accepts. Automaton has 89909 states and 352624 transitions. Word has length 68 [2022-02-10 21:25:52,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:25:52,469 INFO L470 AbstractCegarLoop]: Abstraction has 89909 states and 352624 transitions. [2022-02-10 21:25:52,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:25:52,469 INFO L276 IsEmpty]: Start isEmpty. Operand 89909 states and 352624 transitions. [2022-02-10 21:25:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-10 21:25:52,601 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:25:52,601 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:25:52,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:25:52,601 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 21:25:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:25:52,602 INFO L85 PathProgramCache]: Analyzing trace with hash 55773094, now seen corresponding path program 1 times [2022-02-10 21:25:52,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:25:52,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853194485] [2022-02-10 21:25:52,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:25:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:25:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:25:52,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:25:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:25:52,701 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:25:52,701 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:25:52,702 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-02-10 21:25:52,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-10 21:25:52,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-02-10 21:25:52,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-02-10 21:25:52,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 7 remaining) [2022-02-10 21:25:52,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 7 remaining) [2022-02-10 21:25:52,704 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-10 21:25:52,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:25:52,708 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-10 21:25:52,711 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:25:52,711 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:25:52,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:25:52 BasicIcfg [2022-02-10 21:25:52,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:25:52,799 INFO L158 Benchmark]: Toolchain (without parser) took 22291.75ms. Allocated memory was 195.0MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 136.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-02-10 21:25:52,800 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:25:52,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.15ms. Allocated memory was 195.0MB in the beginning and 261.1MB in the end (delta: 66.1MB). Free memory was 136.6MB in the beginning and 222.1MB in the end (delta: -85.5MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-10 21:25:52,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.79ms. Allocated memory is still 261.1MB. Free memory was 222.1MB in the beginning and 219.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 21:25:52,800 INFO L158 Benchmark]: Boogie Preprocessor took 34.60ms. Allocated memory is still 261.1MB. Free memory was 219.0MB in the beginning and 217.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:25:52,801 INFO L158 Benchmark]: RCFGBuilder took 680.38ms. Allocated memory is still 261.1MB. Free memory was 217.4MB in the beginning and 183.3MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-02-10 21:25:52,801 INFO L158 Benchmark]: TraceAbstraction took 21047.31ms. Allocated memory was 261.1MB in the beginning and 7.3GB in the end (delta: 7.0GB). Free memory was 182.8MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-02-10 21:25:52,802 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 195.0MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 450.15ms. Allocated memory was 195.0MB in the beginning and 261.1MB in the end (delta: 66.1MB). Free memory was 136.6MB in the beginning and 222.1MB in the end (delta: -85.5MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.79ms. Allocated memory is still 261.1MB. Free memory was 222.1MB in the beginning and 219.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.60ms. Allocated memory is still 261.1MB. Free memory was 219.0MB in the beginning and 217.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 680.38ms. Allocated memory is still 261.1MB. Free memory was 217.4MB in the beginning and 183.3MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 21047.31ms. Allocated memory was 261.1MB in the beginning and 7.3GB in the end (delta: 7.0GB). Free memory was 182.8MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * 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)=13, 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] [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)=14, 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)=15, 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 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, sum=1] [L767] 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] [L767] 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] [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] [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] [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. OverallTime: 20.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 768 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 462 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92354occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6652 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-02-10 21:25:52,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...