./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7 --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 GemCutter --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-5709675 [2021-10-16 01:23:38,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:38,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:38,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:38,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:38,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:38,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:38,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:38,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:38,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:38,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:38,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:38,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:38,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:38,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:38,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:38,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:38,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:38,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:38,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:38,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:38,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:38,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:38,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:38,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:38,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:38,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:38,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:38,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:38,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:38,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:38,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:38,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:38,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:38,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:38,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:38,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:38,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:38,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:38,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:38,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:38,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:23:38,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:38,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:38,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:38,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:38,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:38,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:38,705 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:38,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:38,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:38,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:23:38,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:38,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:38,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:38,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:38,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:38,708 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:38,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:38,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:38,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:38,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:38,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:38,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:23:38,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:38,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:38,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:38,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:38,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:38,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:23:38,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:23:38,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:38,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:38,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:38,713 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:38,713 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:38,714 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2021-10-16 01:23:39,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:39,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:39,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:39,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:39,040 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:39,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-16 01:23:39,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/data/eeccfdc4f/363bc5c14f5443269600dbc038be0866/FLAG16785254f [2021-10-16 01:23:39,767 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:39,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-16 01:23:39,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/data/eeccfdc4f/363bc5c14f5443269600dbc038be0866/FLAG16785254f [2021-10-16 01:23:40,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/data/eeccfdc4f/363bc5c14f5443269600dbc038be0866 [2021-10-16 01:23:40,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:40,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:40,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:40,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:40,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:40,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbdde93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40, skipping insertion in model container [2021-10-16 01:23:40,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:40,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:40,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-16 01:23:40,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-16 01:23:40,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:40,644 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:23:40,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-16 01:23:40,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-16 01:23:40,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:40,765 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:23:40,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40 WrapperNode [2021-10-16 01:23:40,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:40,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:40,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:23:40,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:23:40,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:40,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:23:40,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:23:40,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:23:40,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:23:40,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:23:40,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:23:40,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:23:40,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (1/1) ... [2021-10-16 01:23:40,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:41,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:41,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:23:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-10-16 01:23:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-10-16 01:23:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-10-16 01:23:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-10-16 01:23:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 01:23:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:23:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-10-16 01:23:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-10-16 01:23:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 01:23:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:23:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:23:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:23:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:23:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:23:41,081 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 01:23:42,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:23:42,094 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 01:23:42,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:42 BoogieIcfgContainer [2021-10-16 01:23:42,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:23:42,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:23:42,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:23:42,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:23:42,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:23:40" (1/3) ... [2021-10-16 01:23:42,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c61df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:42, skipping insertion in model container [2021-10-16 01:23:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:40" (2/3) ... [2021-10-16 01:23:42,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c61df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:42, skipping insertion in model container [2021-10-16 01:23:42,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:42" (3/3) ... [2021-10-16 01:23:42,106 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-10-16 01:23:42,112 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 01:23:42,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:23:42,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 01:23:42,113 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 01:23:42,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,155 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,155 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,156 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,156 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,157 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,157 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,157 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,158 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,158 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,158 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,159 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,159 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,160 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,160 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,160 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,161 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,162 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,163 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,164 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,164 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,165 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,165 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,165 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,165 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,165 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,166 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,166 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,166 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,166 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,167 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,168 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,169 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,169 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,170 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,170 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,170 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,171 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,171 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,171 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,172 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,172 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,172 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,173 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,173 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,173 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,174 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,175 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,175 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,175 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,176 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,176 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,176 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,177 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,177 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,178 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,179 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,180 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,180 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,181 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,181 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,182 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,182 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,183 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,184 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,185 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,185 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,186 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,186 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,187 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,188 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,188 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,189 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,189 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,189 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,189 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,190 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,190 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,190 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,191 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,191 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,192 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,192 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,192 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,193 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,194 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,194 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,195 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,195 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,196 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,197 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,198 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,199 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,200 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,201 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,202 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,202 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,203 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,203 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,203 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,204 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,204 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,205 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,205 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,205 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,206 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,206 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,206 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,207 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,207 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,208 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,208 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,209 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,210 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,211 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,211 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,211 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,212 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,212 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,212 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,213 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,213 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,213 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,214 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,215 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,216 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,216 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,217 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,217 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,218 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,218 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,219 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,220 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,220 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,221 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,222 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,222 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,222 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,222 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,222 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,223 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,224 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,224 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,224 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,224 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,224 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,227 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,228 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,228 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,229 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,229 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,229 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,229 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,229 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,230 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,230 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,231 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,231 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,231 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,231 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,233 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,234 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,234 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,235 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,235 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,235 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,236 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,236 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,237 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,239 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,240 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,240 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,241 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,242 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,242 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,242 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,242 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,242 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,243 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,244 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,244 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork2_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,251 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 01:23:42,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:23:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:42,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 01:23:42,329 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 01:23:42,335 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 01:23:42,335 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 01:23:42,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 01:23:42,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 01:23:42,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 01:23:42,530 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2021-10-16 01:23:42,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:23:42,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:42,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:42,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == qrcu_updaterThread1of1ForFork2 ======== [2021-10-16 01:23:42,584 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 01:23:42,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-16 01:23:42,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-16 01:23:42,661 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,661 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post7_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,672 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,672 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post7_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,716 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,717 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:42,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:42,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:42,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1373391557, now seen corresponding path program 1 times [2021-10-16 01:23:42,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:42,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618726550] [2021-10-16 01:23:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:42,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:43,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:43,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618726550] [2021-10-16 01:23:43,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618726550] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:43,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:43,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:23:43,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173907282] [2021-10-16 01:23:43,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:23:43,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:43,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:23:43,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:23:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:43,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:43,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,069 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:43,070 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 01:23:43,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:43,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:43,110 INFO L82 PathProgramCache]: Analyzing trace with hash 390598533, now seen corresponding path program 1 times [2021-10-16 01:23:43,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:43,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106146255] [2021-10-16 01:23:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:43,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:43,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:43,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106146255] [2021-10-16 01:23:43,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106146255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:43,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:43,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:43,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396992276] [2021-10-16 01:23:43,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:43,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:43,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:43,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:43,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 01:23:43,355 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:43,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:43,356 INFO L82 PathProgramCache]: Analyzing trace with hash 390631207, now seen corresponding path program 1 times [2021-10-16 01:23:43,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:43,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871030507] [2021-10-16 01:23:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:43,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:43,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:43,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871030507] [2021-10-16 01:23:43,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871030507] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:43,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:43,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-16 01:23:43,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535181049] [2021-10-16 01:23:43,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 01:23:43,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 01:23:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-16 01:23:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:43,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:43,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:23:43,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 01:23:43,704 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:43,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:43,704 INFO L82 PathProgramCache]: Analyzing trace with hash -343510532, now seen corresponding path program 1 times [2021-10-16 01:23:43,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:43,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855986979] [2021-10-16 01:23:43,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:43,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:43,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:43,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855986979] [2021-10-16 01:23:43,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855986979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:43,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:43,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:23:43,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328691212] [2021-10-16 01:23:43,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:43,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:43,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:43,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:43,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:23:43,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:23:43,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 01:23:43,863 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:43,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:43,864 INFO L82 PathProgramCache]: Analyzing trace with hash -2058891044, now seen corresponding path program 1 times [2021-10-16 01:23:43,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:43,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664705157] [2021-10-16 01:23:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:43,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:43,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:43,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664705157] [2021-10-16 01:23:43,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664705157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:43,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:43,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:23:43,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471894950] [2021-10-16 01:23:43,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:43,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:43,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:43,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:43,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:43,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:43,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:23:43,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:43,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:44,234 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,234 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,242 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,242 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,249 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,250 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,256 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,256 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,269 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,270 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,286 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,286 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,297 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,298 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,307 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,307 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,313 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,314 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,318 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,319 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,324 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,324 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,331 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,331 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,341 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,341 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,401 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,402 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,407 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,408 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,415 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,415 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,421 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,422 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,429 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,430 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,442 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,442 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,448 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,449 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,454 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,454 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,460 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,461 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,466 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,467 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,473 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,474 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,484 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,484 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,493 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,494 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,500 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,500 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,506 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,506 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,513 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,514 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,519 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,519 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,525 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,526 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,533 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,534 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,565 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,565 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,572 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,573 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,581 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,581 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,586 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,587 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,592 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,592 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,608 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,609 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,615 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,615 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,620 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,621 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,626 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,626 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,632 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,633 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,638 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,638 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,642 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,643 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,648 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,649 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,685 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,685 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,690 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,690 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,698 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,698 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,703 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,703 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,722 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,723 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,728 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,728 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,732 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,733 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,739 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,739 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,771 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet10_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,779 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet10_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:44,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 01:23:44,786 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:44,786 INFO L82 PathProgramCache]: Analyzing trace with hash -536283743, now seen corresponding path program 1 times [2021-10-16 01:23:44,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:44,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045946157] [2021-10-16 01:23:44,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:44,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:44,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:44,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045946157] [2021-10-16 01:23:44,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045946157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:44,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:44,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-16 01:23:44,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055745927] [2021-10-16 01:23:44,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 01:23:44,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:44,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 01:23:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-16 01:23:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:44,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:44,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 01:23:45,204 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:45,205 INFO L82 PathProgramCache]: Analyzing trace with hash -675444897, now seen corresponding path program 1 times [2021-10-16 01:23:45,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:45,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672532681] [2021-10-16 01:23:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:45,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:45,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:45,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672532681] [2021-10-16 01:23:45,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672532681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:45,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:45,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-16 01:23:45,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782557161] [2021-10-16 01:23:45,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 01:23:45,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:45,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 01:23:45,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-16 01:23:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,426 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:45,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:45,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,697 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,698 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,723 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,723 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,729 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,730 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,761 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,761 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,766 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,767 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,786 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,787 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,791 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,791 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,813 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,814 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,830 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,831 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,835 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,836 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,893 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,894 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,899 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,900 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,906 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,906 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,911 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,911 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,963 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,963 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,969 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,969 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 01:23:45,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 01:23:45,977 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:45,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1776982751, now seen corresponding path program 1 times [2021-10-16 01:23:45,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:45,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917676467] [2021-10-16 01:23:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:45,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:46,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:46,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917676467] [2021-10-16 01:23:46,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917676467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:46,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:46,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-16 01:23:46,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076262820] [2021-10-16 01:23:46,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-16 01:23:46,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:46,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-16 01:23:46,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-16 01:23:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:46,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-16 01:23:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-16 01:23:46,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,315 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,316 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,322 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,322 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,327 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,327 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,333 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,334 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,338 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,338 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,342 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post7_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,343 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post8_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,374 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet10_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,631 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet10_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 01:23:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 01:23:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 01:23:46,637 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:46,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:46,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1127463542, now seen corresponding path program 1 times [2021-10-16 01:23:46,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:46,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374759525] [2021-10-16 01:23:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:46,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:46,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:46,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374759525] [2021-10-16 01:23:46,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374759525] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:46,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:46,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:23:46,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632711469] [2021-10-16 01:23:46,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:46,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:46,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:46,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:46,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,716 WARN L313 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet10_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 01:23:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 01:23:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 01:23:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:46,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 01:23:46,751 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:23:46,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:46,752 INFO L82 PathProgramCache]: Analyzing trace with hash 481494725, now seen corresponding path program 1 times [2021-10-16 01:23:46,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:46,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444311734] [2021-10-16 01:23:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:46,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 01:23:46,778 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 01:23:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 01:23:46,845 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 01:23:46,845 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 01:23:46,846 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:23:46,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:23:46,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 01:23:46,849 INFO L308 ceAbstractionStarter]: Result for error location qrcu_updaterThread1of1ForFork2 was UNSAFE,UNKNOWN (2/2) [2021-10-16 01:23:46,852 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 01:23:46,852 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:23:47,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:23:47 BasicIcfg [2021-10-16 01:23:47,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:23:47,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:23:47,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:23:47,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:23:47,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:42" (3/4) ... [2021-10-16 01:23:47,005 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 01:23:47,161 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/witness.graphml [2021-10-16 01:23:47,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:23:47,163 INFO L168 Benchmark]: Toolchain (without parser) took 7115.72 ms. Allocated memory was 94.4 MB in the beginning and 205.5 MB in the end (delta: 111.1 MB). Free memory was 57.4 MB in the beginning and 155.9 MB in the end (delta: -98.5 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,164 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:47,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.93 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 57.0 MB in the end (delta: 153.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.40 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,165 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 52.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,166 INFO L168 Benchmark]: RCFGBuilder took 1132.41 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 52.0 MB in the beginning and 78.0 MB in the end (delta: -26.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,166 INFO L168 Benchmark]: TraceAbstraction took 4903.07 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 77.8 MB in the beginning and 68.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,167 INFO L168 Benchmark]: Witness Printer took 159.62 ms. Allocated memory was 155.2 MB in the beginning and 205.5 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 155.9 MB in the end (delta: -87.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:47,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 715.93 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 57.0 MB in the end (delta: 153.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.40 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.07 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 52.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1132.41 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 52.0 MB in the beginning and 78.0 MB in the end (delta: -26.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4903.07 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 77.8 MB in the beginning and 68.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. * Witness Printer took 159.62 ms. Allocated memory was 155.2 MB in the beginning and 205.5 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 155.9 MB in the end (delta: -87.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1800, positive: 1798, positive conditional: 0, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1800, positive: 1798, positive conditional: 0, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1824, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1800, unknown conditional: 0, unknown unconditional: 1800] , Statistics on independence cache: Total cache size (in pairs): 1800, Positive cache size: 1798, Positive conditional cache size: 0, Positive unconditional cache size: 1798, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 127, Number of persistent set computation: 40, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1800, positive: 1798, positive conditional: 0, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 24, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1824, positive: 1822, positive conditional: 0, positive unconditional: 1822, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1800, positive: 1798, positive conditional: 0, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1800, positive: 1798, positive conditional: 0, positive unconditional: 1798, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1824, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1800, unknown conditional: 0, unknown unconditional: 1800] , Statistics on independence cache: Total cache size (in pairs): 1800, Positive cache size: 1798, Positive conditional cache size: 0, Positive unconditional cache size: 1798, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10832, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 784, negative conditional: 724, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10406, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 358, negative conditional: 298, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10406, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 358, negative conditional: 298, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 4487, positive unconditional: 5561, negative: 1319, negative conditional: 961, negative unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 653, positive unconditional: 9395, negative: 1319, negative conditional: 303, negative unconditional: 1016, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 653, positive unconditional: 9395, negative: 1319, negative conditional: 303, negative unconditional: 1016, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5338, positive: 5231, positive conditional: 2, positive unconditional: 5229, negative: 107, negative conditional: 47, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5338, positive: 5223, positive conditional: 0, positive unconditional: 5223, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 107, negative conditional: 47, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 595, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 553, negative conditional: 251, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11367, positive: 4817, positive conditional: 651, positive unconditional: 4166, negative: 1212, negative conditional: 256, negative unconditional: 956, unknown: 5338, unknown conditional: 49, unknown unconditional: 5289] , Statistics on independence cache: Total cache size (in pairs): 5338, Positive cache size: 5231, Positive conditional cache size: 2, Positive unconditional cache size: 5229, Negative cache size: 107, Negative conditional cache size: 47, Negative unconditional cache size: 60, Eliminated conditions: 4492, Maximal queried relation: 6, Independence queries for same thread: 426 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 514, Number of persistent set computation: 605, Number of trivial persistent sets: 186, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5290, positive: 5230, positive conditional: 0, positive unconditional: 5230, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10832, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 784, negative conditional: 724, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10406, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 358, negative conditional: 298, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10406, positive: 10048, positive conditional: 4818, positive unconditional: 5230, negative: 358, negative conditional: 298, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 4487, positive unconditional: 5561, negative: 1319, negative conditional: 961, negative unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 653, positive unconditional: 9395, negative: 1319, negative conditional: 303, negative unconditional: 1016, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11367, positive: 10048, positive conditional: 653, positive unconditional: 9395, negative: 1319, negative conditional: 303, negative unconditional: 1016, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5338, positive: 5231, positive conditional: 2, positive unconditional: 5229, negative: 107, negative conditional: 47, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5338, positive: 5223, positive conditional: 0, positive unconditional: 5223, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 107, negative conditional: 47, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 595, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 553, negative conditional: 251, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11367, positive: 4817, positive conditional: 651, positive unconditional: 4166, negative: 1212, negative conditional: 256, negative unconditional: 956, unknown: 5338, unknown conditional: 49, unknown unconditional: 5289] , Statistics on independence cache: Total cache size (in pairs): 5338, Positive cache size: 5231, Positive conditional cache size: 2, Positive unconditional cache size: 5229, Negative cache size: 107, Negative conditional cache size: 47, Negative unconditional cache size: 60, Eliminated conditions: 4492, Maximal queried relation: 6, Independence queries for same thread: 426 - 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: 719]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; VAL [idx=0] [L690] 0 int ctr1=1, ctr2=0; VAL [ctr1=1, ctr2=0, idx=0] [L691] 0 int readerprogress1=0, readerprogress2=0; VAL [ctr1=1, ctr2=0, idx=0, readerprogress1=0, readerprogress2=0] [L692] 0 pthread_mutex_t mutex; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L782] 0 pthread_t t1, t2, t3; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [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] [L725] COND TRUE 1 1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L726] 1 myidx = idx VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=0, readerprogress2=0] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=1, readerprogress2=0] [L738] 1 readerprogress1 = 2 VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L739] CALL 1 __VERIFIER_atomic_use_done(myidx) [L702] COND TRUE 1 myidx <= 0 [L702] 1 ctr1-- [L739] RET 1 __VERIFIER_atomic_use_done(myidx) [L740] 1 return 0; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L743] 2 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L744] COND TRUE 2 1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L745] 2 myidx = idx VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L746] COND TRUE 2 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L762] 3 int i; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L764] 3 int sum; VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND TRUE 3 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L766] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L766] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L767] COND TRUE 3 sum <= 1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L767] COND TRUE 3 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L767] 3 sum = ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L767] 3 sum = sum + ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L769] COND FALSE 3 !(sum > 1) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L777] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L710] COND FALSE 3 !(__VERIFIER_nondet_int()) [L777] RET 3 __VERIFIER_atomic_check_progress1(readerstart1) [L787] 0 \read(t1) VAL [ctr1=1, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=0] [L747] CALL 2 __VERIFIER_atomic_use1(myidx) [L694] CALL 2 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 2 ctr1++ [L747] RET 2 __VERIFIER_atomic_use1(myidx) [L756] 2 readerprogress2 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=1] [L778] CALL 3 __VERIFIER_atomic_check_progress2(readerstart2) [L717] COND TRUE 3 __VERIFIER_nondet_int() [L718] CALL 3 assume_abort_if_not(readerstart2 == 1 && readerprogress2 == 1) [L3] COND FALSE 3 !(!cond) [L718] RET 3 assume_abort_if_not(readerstart2 == 1 && readerprogress2 == 1) [L719] COND TRUE 3 !(0) [L719] 3 reach_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={7:0}, readerprogress1=2, readerprogress2=1] - UnprovableResult [Line: 712]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 256 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 236.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 160.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_updaterThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 256 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4302.7ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4.9ms, PartialOrderReductionTime: 2421.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 53.8ms SsaConstructionTime, 301.8ms SatisfiabilityAnalysisTime, 1143.6ms InterpolantComputationTime, 914 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 2709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 01:23:47,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-10-16 01:23:47,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-16 01:23:47,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacccc0c-45f6-44a7-b4d1-d50d54e61bc8/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...