./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5673895c5fc66df893e7d6b119c1b0d457c2bfab ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 14:15:30,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:15:30,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:15:30,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:15:30,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:15:30,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:15:30,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:15:30,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:15:30,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:15:30,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:15:30,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:15:30,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:15:30,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:15:30,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:15:30,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:15:30,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:15:30,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:15:30,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:15:30,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:15:30,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:15:30,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:15:30,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:15:30,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:15:30,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:15:30,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:15:30,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:15:30,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:15:30,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:15:30,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:15:30,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:15:30,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:15:30,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:15:30,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:15:30,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:15:30,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:15:30,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:15:30,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:15:30,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:15:30,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:15:30,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:15:30,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:15:30,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:15:30,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:15:30,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:15:30,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:15:30,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:15:30,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:15:30,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:15:30,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:15:30,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:15:30,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:15:30,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:15:30,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:15:30,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:15:30,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2021-08-26 14:15:31,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:15:31,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:15:31,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:15:31,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:15:31,045 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:15:31,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-08-26 14:15:31,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48abdf8a0/790b7c078ebc4cea83ffa887995e8fdd/FLAG5258f8304 [2021-08-26 14:15:31,499 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:15:31,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-08-26 14:15:31,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48abdf8a0/790b7c078ebc4cea83ffa887995e8fdd/FLAG5258f8304 [2021-08-26 14:15:31,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48abdf8a0/790b7c078ebc4cea83ffa887995e8fdd [2021-08-26 14:15:31,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:15:31,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:15:31,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:15:31,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:15:31,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:15:31,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5154a2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31, skipping insertion in model container [2021-08-26 14:15:31,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:15:31,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:15:31,756 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-08-26 14:15:31,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-08-26 14:15:31,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:15:31,794 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 14:15:31,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-08-26 14:15:31,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-08-26 14:15:31,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:15:31,889 INFO L208 MainTranslator]: Completed translation [2021-08-26 14:15:31,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31 WrapperNode [2021-08-26 14:15:31,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:15:31,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 14:15:31,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 14:15:31,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 14:15:31,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 14:15:31,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 14:15:31,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 14:15:31,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 14:15:31,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 14:15:31,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 14:15:31,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 14:15:31,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 14:15:31,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (1/1) ... [2021-08-26 14:15:31,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:15:31,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 14:15:32,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 14:15:32,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 14:15:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-08-26 14:15:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-08-26 14:15:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-08-26 14:15:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 14:15:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 14:15:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 14:15:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 14:15:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 14:15:32,055 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-26 14:15:33,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 14:15:33,032 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-26 14:15:33,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:15:33 BoogieIcfgContainer [2021-08-26 14:15:33,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 14:15:33,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 14:15:33,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 14:15:33,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 14:15:33,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:15:31" (1/3) ... [2021-08-26 14:15:33,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130117dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:15:33, skipping insertion in model container [2021-08-26 14:15:33,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:15:31" (2/3) ... [2021-08-26 14:15:33,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130117dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:15:33, skipping insertion in model container [2021-08-26 14:15:33,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:15:33" (3/3) ... [2021-08-26 14:15:33,039 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-08-26 14:15:33,042 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-26 14:15:33,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 14:15:33,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-26 14:15:33,042 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,096 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,097 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,098 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,099 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,100 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,101 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,102 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,103 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,104 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,104 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,105 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,105 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,105 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,108 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,109 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,110 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,111 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,112 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,113 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,114 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,115 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,116 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,117 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,118 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,118 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,118 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,118 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,120 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,121 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,122 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,123 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,124 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,125 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,126 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,127 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,128 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,129 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,130 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,131 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,132 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,132 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,132 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,132 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,132 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,134 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,134 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,135 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,136 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,137 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,138 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,139 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,140 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,141 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,141 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,142 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,142 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,143 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,144 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,145 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,146 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,146 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,146 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:15:33,156 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-26 14:15:33,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 14:15:33,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 14:15:33,198 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-26 14:15:33,209 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-26 14:15:33,215 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 174 transitions, 372 flow [2021-08-26 14:15:33,217 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 174 transitions, 372 flow [2021-08-26 14:15:33,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 174 transitions, 372 flow [2021-08-26 14:15:33,273 INFO L129 PetriNetUnfolder]: 18/171 cut-off events. [2021-08-26 14:15:33,273 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-26 14:15:33,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 171 events. 18/171 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2021-08-26 14:15:33,284 INFO L116 LiptonReduction]: Number of co-enabled transitions 9450 [2021-08-26 14:15:39,291 INFO L131 LiptonReduction]: Checked pairs total: 19514 [2021-08-26 14:15:39,292 INFO L133 LiptonReduction]: Total number of compositions: 133 [2021-08-26 14:15:39,298 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 64 transitions, 152 flow [2021-08-26 14:15:39,379 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 14:15:39,396 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:39,396 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:39,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:39,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1556784785, now seen corresponding path program 1 times [2021-08-26 14:15:39,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:39,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237447818] [2021-08-26 14:15:39,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:39,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:15:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:15:39,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:15:39,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237447818] [2021-08-26 14:15:39,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237447818] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:15:39,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:15:39,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:15:39,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673343339] [2021-08-26 14:15:39,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:15:39,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:15:39,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:15:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:39,602 INFO L87 Difference]: Start difference. First operand has 2946 states, 2944 states have (on average 4.063179347826087) internal successors, (11962), 2945 states have internal predecessors, (11962), 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 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:15:39,688 INFO L93 Difference]: Finished difference Result 3458 states and 13034 transitions. [2021-08-26 14:15:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:15:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-08-26 14:15:39,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:15:39,724 INFO L225 Difference]: With dead ends: 3458 [2021-08-26 14:15:39,724 INFO L226 Difference]: Without dead ends: 3458 [2021-08-26 14:15:39,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2021-08-26 14:15:39,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3074. [2021-08-26 14:15:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 3072 states have (on average 3.8430989583333335) internal successors, (11806), 3073 states have internal predecessors, (11806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 11806 transitions. [2021-08-26 14:15:39,878 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 11806 transitions. Word has length 12 [2021-08-26 14:15:39,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:15:39,879 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 11806 transitions. [2021-08-26 14:15:39,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 11806 transitions. [2021-08-26 14:15:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:15:39,883 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:39,883 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:39,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 14:15:39,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:39,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:39,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1021036740, now seen corresponding path program 1 times [2021-08-26 14:15:39,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:39,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849762264] [2021-08-26 14:15:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:39,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:15:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:15:39,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:15:39,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849762264] [2021-08-26 14:15:39,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849762264] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:15:39,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:15:39,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:15:39,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466355804] [2021-08-26 14:15:39,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:15:39,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:15:39,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:15:39,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:39,965 INFO L87 Difference]: Start difference. First operand 3074 states and 11806 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:39,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:15:39,995 INFO L93 Difference]: Finished difference Result 3004 states and 11533 transitions. [2021-08-26 14:15:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:15:39,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-08-26 14:15:39,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:15:40,013 INFO L225 Difference]: With dead ends: 3004 [2021-08-26 14:15:40,013 INFO L226 Difference]: Without dead ends: 3004 [2021-08-26 14:15:40,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2021-08-26 14:15:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 3004. [2021-08-26 14:15:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3004 states, 3002 states have (on average 3.8417721518987342) internal successors, (11533), 3003 states have internal predecessors, (11533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 11533 transitions. [2021-08-26 14:15:40,091 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 11533 transitions. Word has length 13 [2021-08-26 14:15:40,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:15:40,091 INFO L470 AbstractCegarLoop]: Abstraction has 3004 states and 11533 transitions. [2021-08-26 14:15:40,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 11533 transitions. [2021-08-26 14:15:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:15:40,093 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:40,093 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:40,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 14:15:40,093 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:40,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:40,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1021036797, now seen corresponding path program 1 times [2021-08-26 14:15:40,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:40,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006445069] [2021-08-26 14:15:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:40,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:15:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:15:40,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:15:40,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006445069] [2021-08-26 14:15:40,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006445069] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:15:40,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:15:40,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:15:40,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888687689] [2021-08-26 14:15:40,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:15:40,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:15:40,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:15:40,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:40,132 INFO L87 Difference]: Start difference. First operand 3004 states and 11533 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:15:40,187 INFO L93 Difference]: Finished difference Result 2932 states and 11259 transitions. [2021-08-26 14:15:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:15:40,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-08-26 14:15:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:15:40,203 INFO L225 Difference]: With dead ends: 2932 [2021-08-26 14:15:40,204 INFO L226 Difference]: Without dead ends: 2932 [2021-08-26 14:15:40,204 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:15:40,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2021-08-26 14:15:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2021-08-26 14:15:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2930 states have (on average 3.8426621160409558) internal successors, (11259), 2931 states have internal predecessors, (11259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 11259 transitions. [2021-08-26 14:15:40,284 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 11259 transitions. Word has length 13 [2021-08-26 14:15:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:15:40,284 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 11259 transitions. [2021-08-26 14:15:40,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 11259 transitions. [2021-08-26 14:15:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 14:15:40,288 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:40,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:40,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 14:15:40,288 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:40,288 INFO L82 PathProgramCache]: Analyzing trace with hash 418024916, now seen corresponding path program 1 times [2021-08-26 14:15:40,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:40,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169996254] [2021-08-26 14:15:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:40,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:15:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:15:40,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:15:40,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169996254] [2021-08-26 14:15:40,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169996254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:15:40,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:15:40,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:15:40,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486642197] [2021-08-26 14:15:40,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:15:40,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:15:40,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:15:40,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:15:40,393 INFO L87 Difference]: Start difference. First operand 2932 states and 11259 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:15:40,536 INFO L93 Difference]: Finished difference Result 3082 states and 11832 transitions. [2021-08-26 14:15:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:15:40,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2021-08-26 14:15:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:15:40,558 INFO L225 Difference]: With dead ends: 3082 [2021-08-26 14:15:40,558 INFO L226 Difference]: Without dead ends: 3082 [2021-08-26 14:15:40,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:15:40,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-08-26 14:15:40,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2950. [2021-08-26 14:15:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2948 states have (on average 3.8134328358208953) internal successors, (11242), 2949 states have internal predecessors, (11242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 11242 transitions. [2021-08-26 14:15:40,631 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 11242 transitions. Word has length 17 [2021-08-26 14:15:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:15:40,632 INFO L470 AbstractCegarLoop]: Abstraction has 2950 states and 11242 transitions. [2021-08-26 14:15:40,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 11242 transitions. [2021-08-26 14:15:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 14:15:40,636 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:40,636 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:40,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 14:15:40,636 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash -50248310, now seen corresponding path program 1 times [2021-08-26 14:15:40,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:40,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638353421] [2021-08-26 14:15:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:40,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:15:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:15:40,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:15:40,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638353421] [2021-08-26 14:15:40,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638353421] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:15:40,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:15:40,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:15:40,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192739276] [2021-08-26 14:15:40,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:15:40,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:15:40,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:15:40,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:15:40,721 INFO L87 Difference]: Start difference. First operand 2950 states and 11242 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:15:40,915 INFO L93 Difference]: Finished difference Result 3710 states and 13694 transitions. [2021-08-26 14:15:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 14:15:40,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2021-08-26 14:15:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:15:40,932 INFO L225 Difference]: With dead ends: 3710 [2021-08-26 14:15:40,932 INFO L226 Difference]: Without dead ends: 3710 [2021-08-26 14:15:40,932 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 33.6ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:15:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2021-08-26 14:15:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3324. [2021-08-26 14:15:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 3322 states have (on average 3.7618904274533413) internal successors, (12497), 3323 states have internal predecessors, (12497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 12497 transitions. [2021-08-26 14:15:41,029 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 12497 transitions. Word has length 17 [2021-08-26 14:15:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:15:41,029 INFO L470 AbstractCegarLoop]: Abstraction has 3324 states and 12497 transitions. [2021-08-26 14:15:41,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:15:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 12497 transitions. [2021-08-26 14:15:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 14:15:41,033 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:15:41,034 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:15:41,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 14:15:41,034 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:15:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:15:41,034 INFO L82 PathProgramCache]: Analyzing trace with hash 769736026, now seen corresponding path program 2 times [2021-08-26 14:15:41,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:15:41,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806623941] [2021-08-26 14:15:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:15:41,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:15:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:15:41,048 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 14:15:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:15:41,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 14:15:41,072 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 14:15:41,073 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:15:41,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:15:41,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:15:41,074 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-26 14:15:41,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-26 14:15:41,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-26 14:15:41,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:15:41,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 14:15:41,078 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-26 14:15:41,079 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 14:15:41,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:15:41 BasicIcfg [2021-08-26 14:15:41,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 14:15:41,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 14:15:41,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 14:15:41,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 14:15:41,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:15:33" (3/4) ... [2021-08-26 14:15:41,106 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 14:15:41,139 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 14:15:41,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 14:15:41,140 INFO L168 Benchmark]: Toolchain (without parser) took 9620.40 ms. Allocated memory was 50.3 MB in the beginning and 272.6 MB in the end (delta: 222.3 MB). Free memory was 32.0 MB in the beginning and 120.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 133.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,141 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 41.9 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:15:41,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 32.2 MB in the end (delta: -498.7 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.08 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 29.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,141 INFO L168 Benchmark]: Boogie Preprocessor took 30.65 ms. Allocated memory is still 50.3 MB. Free memory was 29.4 MB in the beginning and 27.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,142 INFO L168 Benchmark]: RCFGBuilder took 1046.13 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 27.4 MB in the beginning and 33.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,142 INFO L168 Benchmark]: TraceAbstraction took 8069.33 ms. Allocated memory was 73.4 MB in the beginning and 272.6 MB in the end (delta: 199.2 MB). Free memory was 33.4 MB in the beginning and 129.2 MB in the end (delta: -95.8 MB). Peak memory consumption was 103.4 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,142 INFO L168 Benchmark]: Witness Printer took 34.94 ms. Allocated memory is still 272.6 MB. Free memory was 129.2 MB in the beginning and 120.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 14:15:41,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 41.9 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 32.2 MB in the end (delta: -498.7 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.08 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 29.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.65 ms. Allocated memory is still 50.3 MB. Free memory was 29.4 MB in the beginning and 27.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1046.13 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 27.4 MB in the beginning and 33.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8069.33 ms. Allocated memory was 73.4 MB in the beginning and 272.6 MB in the end (delta: 199.2 MB). Free memory was 33.4 MB in the beginning and 129.2 MB in the end (delta: -95.8 MB). Peak memory consumption was 103.4 MB. Max. memory is 16.1 GB. * Witness Printer took 34.94 ms. Allocated memory is still 272.6 MB. Free memory was 129.2 MB in the beginning and 120.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6075.1ms, 166 PlacesBefore, 61 PlacesAfterwards, 174 TransitionsBefore, 64 TransitionsAfterwards, 9450 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 133 TotalNumberOfCompositions, 19514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10849, positive: 10524, positive conditional: 0, positive unconditional: 10524, negative: 325, negative conditional: 0, negative unconditional: 325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6176, positive: 6064, positive conditional: 0, positive unconditional: 6064, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6176, positive: 6025, positive conditional: 0, positive unconditional: 6025, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 151, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 271, negative conditional: 0, negative unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10849, positive: 4460, positive conditional: 0, positive unconditional: 4460, negative: 213, negative conditional: 0, negative unconditional: 213, unknown: 6176, unknown conditional: 0, unknown unconditional: 6176] , Statistics on independence cache: Total cache size (in pairs): 620, Positive cache size: 575, Positive conditional cache size: 0, Positive unconditional cache size: 575, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 712]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; [L690] 0 int ctr1=1, ctr2=0; [L691] 0 int readerprogress1=0, readerprogress2=0; [L692] 0 pthread_mutex_t mutex; [L782] 0 pthread_t t1, t2, t3; [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L724] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 [L726] 1 myidx = idx [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L762] 3 int i; [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L764] 3 int sum; [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 FALSE 3 !(__VERIFIER_nondet_int()) [L766] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L766] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L767] COND TRUE 3 sum <= 1 [L767] COND TRUE 3 __VERIFIER_nondet_int() [L767] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L767] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L769] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() [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 [ctr1=2, ctr2=0, idx=0, mutex={7:0}, 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 [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] - 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 256 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7886.9ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 32.1ms, AutomataDifference: 636.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6181.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 351 SDtfs, 329 SDslu, 469 SDs, 0 SdLazy, 351 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 239.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 73.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3324occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 470.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 902 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.3ms SsaConstructionTime, 108.1ms SatisfiabilityAnalysisTime, 285.5ms InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-26 14:15:41,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...