./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r --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 d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:45:46,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:45:46,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:45:46,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:45:46,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:45:46,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:45:46,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:45:46,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:45:46,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:45:46,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:45:46,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:45:46,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:45:46,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:45:46,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:45:46,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:45:46,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:45:46,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:45:46,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:45:46,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:45:46,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:45:46,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:45:46,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:45:46,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:45:46,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:45:46,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:45:46,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:45:46,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:45:46,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:45:46,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:45:46,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:45:46,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:45:46,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:45:46,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:45:46,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:45:46,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:45:46,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:45:46,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:45:46,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:45:46,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:45:46,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:45:46,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:45:46,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:45:46,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:45:46,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:45:46,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:45:46,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:45:46,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:45:46,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:45:46,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:45:46,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:45:46,265 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:45:46,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:45:46,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:45:46,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:45:46,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:45:46,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:45:46,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:45:46,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:45:46,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:45:46,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:45:46,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:45:46,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:45:46,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:45:46,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:45:46,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:45:46,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:45:46,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:45:46,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:45:46,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:45:46,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:45:46,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:45:46,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:45:46,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:45:46,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:45:46,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:45:46,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:45:46,275 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:45:46,276 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:45:46,276 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_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1980d3c26a5811df2d100379a9d31e1e9ec963bc59bfe660be33ada51bfb014 [2021-11-19 05:45:46,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:45:46,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:45:46,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:45:46,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:45:46,635 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:45:46,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-11-19 05:45:46,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/data/3fe0f64e0/3c37bac19f1c47caad17cd4d9d0d3795/FLAGabe1e5646 [2021-11-19 05:45:47,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:45:47,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-11-19 05:45:47,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/data/3fe0f64e0/3c37bac19f1c47caad17cd4d9d0d3795/FLAGabe1e5646 [2021-11-19 05:45:47,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/data/3fe0f64e0/3c37bac19f1c47caad17cd4d9d0d3795 [2021-11-19 05:45:47,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:45:47,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:45:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:47,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:45:47,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:45:47,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:47" (1/1) ... [2021-11-19 05:45:47,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a433f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:47, skipping insertion in model container [2021-11-19 05:45:47,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:47" (1/1) ... [2021-11-19 05:45:47,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:45:47,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:45:47,982 WARN L230 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_c9673d8d-92b8-4533-9199-ec4f6ff25edf/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-11-19 05:45:47,987 WARN L230 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_c9673d8d-92b8-4533-9199-ec4f6ff25edf/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-11-19 05:45:48,017 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:45:48,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:45:48,093 WARN L230 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_c9673d8d-92b8-4533-9199-ec4f6ff25edf/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-11-19 05:45:48,099 WARN L230 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_c9673d8d-92b8-4533-9199-ec4f6ff25edf/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-11-19 05:45:48,111 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:45:48,168 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:45:48,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48 WrapperNode [2021-11-19 05:45:48,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:48,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:45:48,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:45:48,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:45:48,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,273 INFO L137 Inliner]: procedures = 177, calls = 44, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 261 [2021-11-19 05:45:48,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:45:48,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:45:48,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:45:48,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:45:48,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:45:48,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:45:48,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:45:48,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:45:48,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (1/1) ... [2021-11-19 05:45:48,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:45:48,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:48,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:45:48,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:45:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-11-19 05:45:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-11-19 05:45:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-11-19 05:45:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-11-19 05:45:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:45:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:45:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-11-19 05:45:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-11-19 05:45:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 05:45:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:45:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:45:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:45:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:45:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:45:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:45:48,444 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:45:48,604 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:45:48,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:45:49,043 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:45:49,245 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:45:49,246 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 05:45:49,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:45:49 BoogieIcfgContainer [2021-11-19 05:45:49,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:45:49,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:45:49,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:45:49,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:45:49,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:45:47" (1/3) ... [2021-11-19 05:45:49,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4979c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:45:49, skipping insertion in model container [2021-11-19 05:45:49,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:48" (2/3) ... [2021-11-19 05:45:49,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4979c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:45:49, skipping insertion in model container [2021-11-19 05:45:49,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:45:49" (3/3) ... [2021-11-19 05:45:49,258 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-11-19 05:45:49,264 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:45:49,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:45:49,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 05:45:49,264 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:45:49,308 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,309 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,309 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,309 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,310 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,310 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,310 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,310 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,311 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,311 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,311 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,312 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,312 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,312 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,313 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,313 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,313 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,313 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,313 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,314 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,314 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,315 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,315 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,315 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,316 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,316 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,316 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,316 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,316 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,317 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,317 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,317 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,317 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,318 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,318 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,318 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,318 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,318 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,319 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,320 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,321 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,322 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,322 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,322 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,322 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,323 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,323 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,323 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,323 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,323 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,324 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,324 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,324 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,324 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,324 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,325 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,325 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,325 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,325 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,326 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,326 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,326 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,326 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,327 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,328 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,329 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,329 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,329 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,329 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,329 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,330 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,330 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,330 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,331 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,331 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,331 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,331 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,332 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,333 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,334 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,335 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,336 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,337 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,338 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,339 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,340 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,341 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,341 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,342 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,342 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,342 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,343 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,343 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,343 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,343 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,344 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,344 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,344 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,344 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,344 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,345 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,346 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,347 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,348 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,349 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,350 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,351 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,352 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,353 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,354 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,355 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,355 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,355 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,355 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,355 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,356 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,356 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,356 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,356 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,356 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,357 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,357 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,357 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,357 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,358 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,359 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,360 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,361 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,362 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,363 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,364 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,365 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,366 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,367 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,368 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,369 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,369 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,369 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,370 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,371 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,371 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,371 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,371 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,371 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,372 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,373 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,373 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,373 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,373 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,373 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,374 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,374 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,374 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,375 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,375 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,375 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,375 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,375 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,376 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,376 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,376 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,376 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,377 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,378 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,379 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,380 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,380 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,380 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,380 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,381 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,381 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,381 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,381 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,381 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,382 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,382 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,382 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,382 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,383 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,386 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~myidx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,387 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,388 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,389 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,390 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,391 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,392 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,393 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~myidx~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_#in~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,394 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use_done_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,395 WARN L322 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork1___VERIFIER_atomic_use1_~myidx#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,396 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,397 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,398 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~sum~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,399 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress2_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,400 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_check_progress1_#in~readerstart1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,401 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2___VERIFIER_atomic_take_snapshot_#in~readerstart2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,402 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_~readerstart2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,402 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,402 WARN L322 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,405 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-19 05:45:49,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:45:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:49,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:45:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:45:49,502 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:45:49,509 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-19 05:45:49,509 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:45:49,658 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2021-11-19 05:45:49,658 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 3 remaining) [2021-11-19 05:45:49,658 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 3 remaining) [2021-11-19 05:45:49,668 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-19 05:45:49,669 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2021-11-19 05:45:49,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:45:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:49,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:45:49,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-19 05:45:49,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == qrcu_updaterThread1of1ForFork2 ======== [2021-11-19 05:45:49,702 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-19 05:45:49,702 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 05:45:49,779 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,779 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post5#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,799 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,799 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader1___VERIFIER_atomic_use_done_#t~post5#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,873 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,873 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:49,941 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:49,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash -915927561, now seen corresponding path program 1 times [2021-11-19 05:45:49,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:49,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164740229] [2021-11-19 05:45:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:49,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:50,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:50,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164740229] [2021-11-19 05:45:50,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164740229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:50,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:50,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:45:50,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748189670] [2021-11-19 05:45:50,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:50,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:45:50,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:50,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:45:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:45:50,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:50,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-11-19 05:45:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,234 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:50,235 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:45:50,285 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:50,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:50,286 INFO L85 PathProgramCache]: Analyzing trace with hash 135295595, now seen corresponding path program 1 times [2021-11-19 05:45:50,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:50,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48342953] [2021-11-19 05:45:50,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:50,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:50,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:50,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48342953] [2021-11-19 05:45:50,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48342953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:50,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:50,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:45:50,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54510034] [2021-11-19 05:45:50,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:50,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:45:50,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:50,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:45:50,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:45:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,449 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:50,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2021-11-19 05:45:50,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:50,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:45:50,523 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash 135328269, now seen corresponding path program 1 times [2021-11-19 05:45:50,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:50,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388156573] [2021-11-19 05:45:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:50,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:50,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:50,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388156573] [2021-11-19 05:45:50,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388156573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:50,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:50,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:45:50,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021591862] [2021-11-19 05:45:50,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:50,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:45:50,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:50,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:45:50,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:45:50,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:50,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 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) [2021-11-19 05:45:50,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:50,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:50,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:50,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:45:50,965 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash -326141858, now seen corresponding path program 1 times [2021-11-19 05:45:50,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:50,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899018627] [2021-11-19 05:45:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:51,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:51,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899018627] [2021-11-19 05:45:51,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899018627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:51,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:51,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:45:51,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709520930] [2021-11-19 05:45:51,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:51,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:45:51,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:51,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:45:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:45:51,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:51,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 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) [2021-11-19 05:45:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:45:51,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1520462142, now seen corresponding path program 1 times [2021-11-19 05:45:51,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:51,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713916414] [2021-11-19 05:45:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:51,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:51,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:51,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713916414] [2021-11-19 05:45:51,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713916414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:51,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:51,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:45:51,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464558495] [2021-11-19 05:45:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:51,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:45:51,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:51,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:45:51,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:45:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:51,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-19 05:45:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,464 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,464 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,470 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,470 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,477 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,477 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,482 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,482 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,486 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,486 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,491 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,492 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,500 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,501 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,506 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,506 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,512 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,512 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,517 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,518 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,522 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,522 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,528 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,528 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,532 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,532 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,537 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,537 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,545 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,545 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,551 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,551 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,556 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,556 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,562 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,563 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,568 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,568 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,575 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,575 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,581 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,581 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,598 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,599 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,607 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,607 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,612 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,612 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,616 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,616 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,621 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,621 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,628 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,629 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,634 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,635 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,641 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,642 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,649 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,649 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,653 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,653 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,755 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,756 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,762 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,762 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,768 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,769 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,772 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,773 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,781 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,782 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,797 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,797 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,801 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,801 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,811 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,811 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,815 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,815 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,819 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,819 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,833 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet8#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,856 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet8#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:51,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:45:51,862 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:51,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:51,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2027347079, now seen corresponding path program 1 times [2021-11-19 05:45:51,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:51,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125824843] [2021-11-19 05:45:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:51,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:52,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:52,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125824843] [2021-11-19 05:45:52,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125824843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:52,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:52,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-19 05:45:52,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62418567] [2021-11-19 05:45:52,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:52,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:45:52,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:52,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:45:52,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:45:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:52,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 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) [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,210 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,210 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,223 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,223 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,227 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,227 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,276 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,277 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,282 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,283 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:52,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:45:52,337 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash 786648071, now seen corresponding path program 1 times [2021-11-19 05:45:52,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:52,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823588530] [2021-11-19 05:45:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:52,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:52,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:52,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823588530] [2021-11-19 05:45:52,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823588530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:52,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:52,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 05:45:52,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070337189] [2021-11-19 05:45:52,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:52,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:45:52,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:52,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:45:52,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:45:52,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:52,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 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) [2021-11-19 05:45:52,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:52,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:52,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:45:52,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:52,737 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,737 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,742 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,743 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,749 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,749 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,764 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,764 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,769 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,769 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,775 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post6#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,776 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_reader2___VERIFIER_atomic_use_done_#t~post5#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:52,788 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet8#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:53,046 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet8#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:53,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:45:53,058 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:53,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1578245668, now seen corresponding path program 1 times [2021-11-19 05:45:53,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:53,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538755383] [2021-11-19 05:45:53,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:53,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:45:53,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:53,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538755383] [2021-11-19 05:45:53,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538755383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:45:53,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:45:53,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:45:53,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184699173] [2021-11-19 05:45:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:45:53,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:45:53,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:45:53,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:45:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:53,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-11-19 05:45:53,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,147 WARN L322 ript$VariableManager]: TermVariabe |v_qrcu_updater___VERIFIER_atomic_check_progress2_#t~nondet8#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:45:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:45:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:53,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:45:53,159 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 438804743, now seen corresponding path program 1 times [2021-11-19 05:45:53,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:53,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179483715] [2021-11-19 05:45:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:53,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:45:53,182 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:45:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:45:53,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:45:53,241 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:45:53,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 05:45:53,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 05:45:53,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:45:53,244 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:45:53,245 INFO L308 ceAbstractionStarter]: Result for error location qrcu_updaterThread1of1ForFork2 was UNSAFE,UNKNOWN (2/2) [2021-11-19 05:45:53,248 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:45:53,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:45:53,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:45:53 BasicIcfg [2021-11-19 05:45:53,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:45:53,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:45:53,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:45:53,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:45:53,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:45:49" (3/4) ... [2021-11-19 05:45:53,403 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 05:45:53,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:45:53,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:45:53,544 INFO L158 Benchmark]: Toolchain (without parser) took 5995.45ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 47.8MB in the beginning and 76.7MB in the end (delta: -28.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,545 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:45:53,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.12ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 68.7MB in the end (delta: -21.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.94ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,546 INFO L158 Benchmark]: Boogie Preprocessor took 77.20ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 64.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,547 INFO L158 Benchmark]: RCFGBuilder took 895.93ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 74.7MB in the end (delta: -10.9MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,547 INFO L158 Benchmark]: TraceAbstraction took 4149.20ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 74.4MB in the beginning and 107.1MB in the end (delta: -32.7MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,547 INFO L158 Benchmark]: Witness Printer took 143.18ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 76.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-19 05:45:53,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.12ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 68.7MB in the end (delta: -21.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.94ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.20ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 64.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 895.93ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 74.7MB in the end (delta: -10.9MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4149.20ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 74.4MB in the beginning and 107.1MB in the end (delta: -32.7MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 143.18ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 76.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1823, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 31, 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: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 23, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 1823, positive: 1821, positive conditional: 0, positive unconditional: 1821, 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: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1823, positive: 23, positive conditional: 0, positive unconditional: 23, 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9043, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 434, negative conditional: 379, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8765, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 156, negative conditional: 101, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8765, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 156, negative conditional: 101, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 3208, positive unconditional: 5401, negative: 717, negative conditional: 561, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 516, positive unconditional: 8093, negative: 717, negative conditional: 153, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 516, positive unconditional: 8093, negative: 717, negative conditional: 153, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5241, positive: 5160, positive conditional: 9, positive unconditional: 5151, negative: 81, negative conditional: 26, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5241, positive: 5145, positive conditional: 0, positive unconditional: 5145, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 15, positive conditional: 7, positive unconditional: 8, negative: 81, negative conditional: 26, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 508, positive: 80, positive conditional: 45, positive unconditional: 35, negative: 428, negative conditional: 154, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9326, positive: 3449, positive conditional: 507, positive unconditional: 2942, negative: 636, negative conditional: 127, negative unconditional: 509, unknown: 5241, unknown conditional: 35, unknown unconditional: 5206] , Statistics on independence cache: Total cache size (in pairs): 5241, Positive cache size: 5160, Positive conditional cache size: 9, Positive unconditional cache size: 5151, Negative cache size: 81, Negative conditional cache size: 26, Negative unconditional cache size: 55, Eliminated conditions: 3100, Maximal queried relation: 5, Independence queries for same thread: 278 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 568, Number of trivial persistent sets: 189, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5218, positive: 5163, positive conditional: 0, positive unconditional: 5163, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9043, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 434, negative conditional: 379, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8765, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 156, negative conditional: 101, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8765, positive: 8609, positive conditional: 3446, positive unconditional: 5163, negative: 156, negative conditional: 101, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 3208, positive unconditional: 5401, negative: 717, negative conditional: 561, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 516, positive unconditional: 8093, negative: 717, negative conditional: 153, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9326, positive: 8609, positive conditional: 516, positive unconditional: 8093, negative: 717, negative conditional: 153, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5241, positive: 5160, positive conditional: 9, positive unconditional: 5151, negative: 81, negative conditional: 26, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5241, positive: 5145, positive conditional: 0, positive unconditional: 5145, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 15, positive conditional: 7, positive unconditional: 8, negative: 81, negative conditional: 26, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 508, positive: 80, positive conditional: 45, positive unconditional: 35, negative: 428, negative conditional: 154, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9326, positive: 3449, positive conditional: 507, positive unconditional: 2942, negative: 636, negative conditional: 127, negative unconditional: 509, unknown: 5241, unknown conditional: 35, unknown unconditional: 5206] , Statistics on independence cache: Total cache size (in pairs): 5241, Positive cache size: 5160, Positive conditional cache size: 9, Positive unconditional cache size: 5151, Negative cache size: 81, Negative conditional cache size: 26, Negative unconditional cache size: 55, Eliminated conditions: 3100, Maximal queried relation: 5, Independence queries for same thread: 278 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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={5:0}, readerprogress1=0, readerprogress2=0] [L782] 0 pthread_t t1, t2, t3; VAL [ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={3:0}] [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={5:0}, pthread_create(&t1, 0, qrcu_reader1, 0)=-2, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={3:0}] [L724] 1 int myidx; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=0, readerprogress2=0] [L726] 1 myidx = idx VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [arg={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=1, readerprogress2=0] [L738] 1 readerprogress1 = 2 VAL [arg={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={5:0}, myidx=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 [\result={0:0}, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=2, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={5:0}, pthread_create(&t2, 0, qrcu_reader2, 0)=-1, readerprogress1=2, readerprogress2=0, t1={6:0}, t2={7:0}, t3={3:0}] [L743] 2 int myidx; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0] [L744] COND TRUE 2 1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0] [L745] 2 myidx = idx VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=2, readerprogress2=0] [L746] COND TRUE 2 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, myidx=0, readerprogress1=2, readerprogress2=0] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={5:0}, pthread_create(&t3, 0, qrcu_updater, 0)=0, readerprogress1=2, readerprogress2=0, t1={6:0}, t2={7:0}, t3={3:0}] [L762] 3 int i; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1] [L764] 3 int sum; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1] [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND TRUE 3 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1] [L766] 3 sum = ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L766] 3 sum = sum + ctr2 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L767] COND TRUE 3 sum <= 1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L767] COND TRUE 3 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L767] 3 sum = ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L767] 3 sum = sum + ctr2 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [L769] COND FALSE 3 !(sum > 1) VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, readerstart1=0, readerstart2=1, sum=1] [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 [\read(t1)=-2, ctr1=1, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=0, t1={6:0}, t2={7:0}, t3={3:0}] [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 [arg={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={5:0}, myidx=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 [\old(readerstart2)=1, ctr1=2, ctr2=0, idx=0, mutex={5:0}, readerprogress1=2, readerprogress2=1, readerstart2=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, 260 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s 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, 260 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 847 NumberOfCodeBlocks, 847 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 747 ConstructedInterpolants, 0 QuantifiedInterpolants, 2548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2021-11-19 05:45:53,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:45:53,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:45:54,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9673d8d-92b8-4533-9199-ec4f6ff25edf/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE