./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5673895c5fc66df893e7d6b119c1b0d457c2bfab ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:40,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:40,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:40,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:40,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:40,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:40,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:40,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:40,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:40,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:40,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:40,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:40,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:40,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:40,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:40,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:40,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:40,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:40,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:40,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:40,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:40,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:40,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:40,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:40,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:40,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:40,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:40,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:40,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:40,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:40,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:40,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:40,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:40,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:40,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:40,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:40,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:40,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:40,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:40,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:40,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:40,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:40,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:40,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:40,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:40,839 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:40,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:40,839 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:40,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:40,840 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:40,840 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:40,840 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:40,840 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:40,841 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:40,841 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:40,841 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:40,842 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:40,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:40,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:40,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:40,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:40,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:40,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:40,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:40,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:40,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:40,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:40,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:40,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:40,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:40,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:40,846 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:40,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:40,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:40,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:40,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:40,847 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2021-10-11 02:28:41,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:41,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:41,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:41,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:41,179 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:41,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-11 02:28:41,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/data/786c90999/fc8de871409d48c9bf5539fc1f2a5670/FLAG8034f8790 [2021-10-11 02:28:41,912 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:41,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2021-10-11 02:28:41,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/data/786c90999/fc8de871409d48c9bf5539fc1f2a5670/FLAG8034f8790 [2021-10-11 02:28:42,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/data/786c90999/fc8de871409d48c9bf5539fc1f2a5670 [2021-10-11 02:28:42,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:42,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:42,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:42,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:42,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:42,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:42,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2cdf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42, skipping insertion in model container [2021-10-11 02:28:42,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:42,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:42,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:42,689 WARN L226 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_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-11 02:28:42,696 WARN L226 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_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-11 02:28:42,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:42,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:42,791 WARN L226 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_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30690,30703] [2021-10-11 02:28:42,793 WARN L226 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_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/sv-benchmarks/c/pthread-atomic/qrcu-2.i[30912,30925] [2021-10-11 02:28:42,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:42,899 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:42,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42 WrapperNode [2021-10-11 02:28:42,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:42,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:42,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:42,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:42,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:42,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:42,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:42,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:42,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:42,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:43,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... [2021-10-11 02:28:43,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:43,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:43,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:43,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:43,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-10-11 02:28:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-10-11 02:28:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-10-11 02:28:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-10-11 02:28:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:28:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:28:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-10-11 02:28:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-10-11 02:28:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-11 02:28:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:28:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:43,135 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-11 02:28:44,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:44,334 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 02:28:44,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:44 BoogieIcfgContainer [2021-10-11 02:28:44,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:44,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:44,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:44,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:42" (1/3) ... [2021-10-11 02:28:44,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb61fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:44, skipping insertion in model container [2021-10-11 02:28:44,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:42" (2/3) ... [2021-10-11 02:28:44,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb61fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:44, skipping insertion in model container [2021-10-11 02:28:44,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:44" (3/3) ... [2021-10-11 02:28:44,346 INFO L111 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2021-10-11 02:28:44,360 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 02:28:44,361 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:44,364 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:28:44,365 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 02:28:44,416 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,417 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,417 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,417 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,418 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,418 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,418 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,418 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,419 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,420 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,421 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,422 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,423 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,423 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,425 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,425 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,426 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,426 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,427 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,428 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,429 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,430 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,430 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,430 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,430 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,431 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,432 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,432 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,433 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,434 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,435 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,435 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,436 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,437 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,438 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,438 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,439 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,439 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,439 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,440 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,441 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,443 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,444 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,444 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,444 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,445 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,445 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,446 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,447 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,447 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,453 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,453 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,454 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,455 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,456 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,457 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,457 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,458 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,458 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,459 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,460 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,461 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,461 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,462 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,463 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,463 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,463 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,467 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,467 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,468 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,468 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,468 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,468 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,470 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,470 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,471 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,471 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,473 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,473 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,473 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,474 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,474 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,475 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,476 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,477 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,478 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,479 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,479 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,479 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,479 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,479 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,480 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,481 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,482 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,482 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,482 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,483 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,487 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,487 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,487 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,488 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,488 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,489 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,491 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,491 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,492 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,492 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,492 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,493 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,493 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,501 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,501 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,503 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,503 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,504 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,505 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,506 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,507 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,508 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,509 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,509 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,509 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,509 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,509 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,510 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,510 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,510 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,511 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,512 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,513 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,513 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,514 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,514 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,515 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,516 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,516 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,517 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,518 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,519 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,519 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,520 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,521 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,522 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,522 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,522 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,526 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,526 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~myidx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,527 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,528 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,528 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,529 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader2Thread1of1ForFork0___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_#in~readerstart2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,535 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress1_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,536 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_take_snapshot_~readerstart2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1___VERIFIER_atomic_check_progress2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,537 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~sum~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe qrcu_updaterThread1of1ForFork1_~readerstart2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,538 WARN L313 ript$VariableManager]: TermVariabe |qrcu_updaterThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,540 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,541 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,541 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,541 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,542 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~myidx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe |qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2___VERIFIER_atomic_use1_~myidx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,543 WARN L313 ript$VariableManager]: TermVariabe qrcu_reader1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:28:44,553 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-10-11 02:28:44,565 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-11 02:28:44,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:44,586 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:44,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:44,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:44,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:44,586 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:44,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:44,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:44,601 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 02:28:44,603 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 171 transitions, 384 flow [2021-10-11 02:28:44,606 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 171 transitions, 384 flow [2021-10-11 02:28:44,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 171 transitions, 384 flow [2021-10-11 02:28:44,707 INFO L129 PetriNetUnfolder]: 23/179 cut-off events. [2021-10-11 02:28:44,707 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-10-11 02:28:44,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 23/179 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 440 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 137. Up to 6 conditions per place. [2021-10-11 02:28:44,727 INFO L116 LiptonReduction]: Number of co-enabled transitions 9672 [2021-10-11 02:28:45,555 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2021-10-11 02:28:50,074 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-10-11 02:28:50,222 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-10-11 02:28:51,020 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-10-11 02:28:51,214 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-10-11 02:28:51,858 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2021-10-11 02:28:52,074 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-10-11 02:28:52,609 WARN L197 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2021-10-11 02:28:52,880 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-10-11 02:28:52,932 INFO L131 LiptonReduction]: Checked pairs total: 25110 [2021-10-11 02:28:52,932 INFO L133 LiptonReduction]: Total number of compositions: 119 [2021-10-11 02:28:52,940 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 75 transitions, 192 flow [2021-10-11 02:28:53,253 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4506 states. [2021-10-11 02:28:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states. [2021-10-11 02:28:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:28:53,282 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:53,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:53,283 INFO L429 AbstractCegarLoop]: === Iteration 1 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:53,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:53,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1640816979, now seen corresponding path program 1 times [2021-10-11 02:28:53,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:53,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920873222] [2021-10-11 02:28:53,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:53,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920873222] [2021-10-11 02:28:53,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:53,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:53,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319982081] [2021-10-11 02:28:53,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:53,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:53,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:53,606 INFO L87 Difference]: Start difference. First operand 4506 states. Second operand 3 states. [2021-10-11 02:28:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:53,774 INFO L93 Difference]: Finished difference Result 5644 states and 21035 transitions. [2021-10-11 02:28:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:53,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2021-10-11 02:28:53,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:53,862 INFO L225 Difference]: With dead ends: 5644 [2021-10-11 02:28:53,862 INFO L226 Difference]: Without dead ends: 4800 [2021-10-11 02:28:53,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:53,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2021-10-11 02:28:54,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4263. [2021-10-11 02:28:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4263 states. [2021-10-11 02:28:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 4263 states and 16535 transitions. [2021-10-11 02:28:54,253 INFO L78 Accepts]: Start accepts. Automaton has 4263 states and 16535 transitions. Word has length 12 [2021-10-11 02:28:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:54,254 INFO L481 AbstractCegarLoop]: Abstraction has 4263 states and 16535 transitions. [2021-10-11 02:28:54,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 16535 transitions. [2021-10-11 02:28:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:28:54,257 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:54,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:54,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:28:54,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:54,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:54,258 INFO L82 PathProgramCache]: Analyzing trace with hash -669289092, now seen corresponding path program 1 times [2021-10-11 02:28:54,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:54,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408637510] [2021-10-11 02:28:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:54,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408637510] [2021-10-11 02:28:54,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:54,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:28:54,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169176902] [2021-10-11 02:28:54,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:54,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:54,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:54,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:54,358 INFO L87 Difference]: Start difference. First operand 4263 states and 16535 transitions. Second operand 3 states. [2021-10-11 02:28:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:54,429 INFO L93 Difference]: Finished difference Result 4168 states and 16162 transitions. [2021-10-11 02:28:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:54,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-10-11 02:28:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:54,470 INFO L225 Difference]: With dead ends: 4168 [2021-10-11 02:28:54,471 INFO L226 Difference]: Without dead ends: 4168 [2021-10-11 02:28:54,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:54,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2021-10-11 02:28:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 4168. [2021-10-11 02:28:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2021-10-11 02:28:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 16162 transitions. [2021-10-11 02:28:54,755 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 16162 transitions. Word has length 13 [2021-10-11 02:28:54,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:54,767 INFO L481 AbstractCegarLoop]: Abstraction has 4168 states and 16162 transitions. [2021-10-11 02:28:54,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 16162 transitions. [2021-10-11 02:28:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:28:54,770 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:54,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:54,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:28:54,770 INFO L429 AbstractCegarLoop]: === Iteration 3 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:54,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:54,770 INFO L82 PathProgramCache]: Analyzing trace with hash -669289024, now seen corresponding path program 1 times [2021-10-11 02:28:54,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:54,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113392167] [2021-10-11 02:28:54,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:54,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113392167] [2021-10-11 02:28:54,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:54,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:28:54,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951671441] [2021-10-11 02:28:54,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:54,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:54,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:54,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:54,853 INFO L87 Difference]: Start difference. First operand 4168 states and 16162 transitions. Second operand 3 states. [2021-10-11 02:28:54,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:54,945 INFO L93 Difference]: Finished difference Result 4073 states and 15789 transitions. [2021-10-11 02:28:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:54,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2021-10-11 02:28:54,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:55,004 INFO L225 Difference]: With dead ends: 4073 [2021-10-11 02:28:55,005 INFO L226 Difference]: Without dead ends: 4073 [2021-10-11 02:28:55,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2021-10-11 02:28:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 4073. [2021-10-11 02:28:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4073 states. [2021-10-11 02:28:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 15789 transitions. [2021-10-11 02:28:55,187 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 15789 transitions. Word has length 13 [2021-10-11 02:28:55,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:55,188 INFO L481 AbstractCegarLoop]: Abstraction has 4073 states and 15789 transitions. [2021-10-11 02:28:55,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 15789 transitions. [2021-10-11 02:28:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:55,194 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:55,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:55,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:28:55,270 INFO L429 AbstractCegarLoop]: === Iteration 4 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:55,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:55,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1816087695, now seen corresponding path program 1 times [2021-10-11 02:28:55,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:55,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156356202] [2021-10-11 02:28:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156356202] [2021-10-11 02:28:55,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:55,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:55,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762714762] [2021-10-11 02:28:55,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:55,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:55,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:55,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:55,381 INFO L87 Difference]: Start difference. First operand 4073 states and 15789 transitions. Second operand 6 states. [2021-10-11 02:28:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:55,748 INFO L93 Difference]: Finished difference Result 5140 states and 18958 transitions. [2021-10-11 02:28:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:55,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2021-10-11 02:28:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:55,773 INFO L225 Difference]: With dead ends: 5140 [2021-10-11 02:28:55,774 INFO L226 Difference]: Without dead ends: 5138 [2021-10-11 02:28:55,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:28:55,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5138 states. [2021-10-11 02:28:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 4570. [2021-10-11 02:28:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4570 states. [2021-10-11 02:28:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4570 states to 4570 states and 17177 transitions. [2021-10-11 02:28:56,015 INFO L78 Accepts]: Start accepts. Automaton has 4570 states and 17177 transitions. Word has length 17 [2021-10-11 02:28:56,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:56,015 INFO L481 AbstractCegarLoop]: Abstraction has 4570 states and 17177 transitions. [2021-10-11 02:28:56,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4570 states and 17177 transitions. [2021-10-11 02:28:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:56,025 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:56,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:56,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:28:56,026 INFO L429 AbstractCegarLoop]: === Iteration 5 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:56,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:56,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2148761, now seen corresponding path program 2 times [2021-10-11 02:28:56,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:56,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10895750] [2021-10-11 02:28:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:56,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10895750] [2021-10-11 02:28:56,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:56,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:56,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192118620] [2021-10-11 02:28:56,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:56,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:56,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:56,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:56,133 INFO L87 Difference]: Start difference. First operand 4570 states and 17177 transitions. Second operand 6 states. [2021-10-11 02:28:56,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:56,426 INFO L93 Difference]: Finished difference Result 5270 states and 19584 transitions. [2021-10-11 02:28:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:28:56,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2021-10-11 02:28:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:56,455 INFO L225 Difference]: With dead ends: 5270 [2021-10-11 02:28:56,455 INFO L226 Difference]: Without dead ends: 5270 [2021-10-11 02:28:56,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5270 states. [2021-10-11 02:28:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5270 to 4438. [2021-10-11 02:28:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4438 states. [2021-10-11 02:28:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 16691 transitions. [2021-10-11 02:28:56,662 INFO L78 Accepts]: Start accepts. Automaton has 4438 states and 16691 transitions. Word has length 17 [2021-10-11 02:28:56,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:56,663 INFO L481 AbstractCegarLoop]: Abstraction has 4438 states and 16691 transitions. [2021-10-11 02:28:56,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4438 states and 16691 transitions. [2021-10-11 02:28:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:56,671 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:56,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:56,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:28:56,672 INFO L429 AbstractCegarLoop]: === Iteration 6 === [qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, qrcu_updaterErr0ASSERT_VIOLATIONERROR_FUNCTION, qrcu_updaterErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:56,673 INFO L82 PathProgramCache]: Analyzing trace with hash -80249231, now seen corresponding path program 3 times [2021-10-11 02:28:56,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:56,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772598784] [2021-10-11 02:28:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:56,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:56,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:56,754 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:28:56,754 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:56,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:28:56,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:56 BasicIcfg [2021-10-11 02:28:56,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:56,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:56,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:56,823 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:56,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:44" (3/4) ... [2021-10-11 02:28:56,826 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:56,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b2e35-9763-48d4-b47f-92a2ca238f2a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:56,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:56,926 INFO L168 Benchmark]: Toolchain (without parser) took 14707.35 ms. Allocated memory was 98.6 MB in the beginning and 509.6 MB in the end (delta: 411.0 MB). Free memory was 64.1 MB in the beginning and 268.7 MB in the end (delta: -204.7 MB). Peak memory consumption was 205.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,926 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:56,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.67 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 63.8 MB in the beginning and 70.0 MB in the end (delta: -6.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.26 ms. Allocated memory is still 119.5 MB. Free memory was 70.0 MB in the beginning and 67.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,928 INFO L168 Benchmark]: Boogie Preprocessor took 36.76 ms. Allocated memory is still 119.5 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,930 INFO L168 Benchmark]: RCFGBuilder took 1307.62 ms. Allocated memory is still 119.5 MB. Free memory was 65.2 MB in the beginning and 79.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,933 INFO L168 Benchmark]: TraceAbstraction took 12484.01 ms. Allocated memory was 119.5 MB in the beginning and 509.6 MB in the end (delta: 390.1 MB). Free memory was 79.6 MB in the beginning and 278.2 MB in the end (delta: -198.6 MB). Peak memory consumption was 193.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,933 INFO L168 Benchmark]: Witness Printer took 101.89 ms. Allocated memory is still 509.6 MB. Free memory was 278.2 MB in the beginning and 268.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:56,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.67 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 63.8 MB in the beginning and 70.0 MB in the end (delta: -6.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.26 ms. Allocated memory is still 119.5 MB. Free memory was 70.0 MB in the beginning and 67.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.76 ms. Allocated memory is still 119.5 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1307.62 ms. Allocated memory is still 119.5 MB. Free memory was 65.2 MB in the beginning and 79.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12484.01 ms. Allocated memory was 119.5 MB in the beginning and 509.6 MB in the end (delta: 390.1 MB). Free memory was 79.6 MB in the beginning and 278.2 MB in the end (delta: -198.6 MB). Peak memory consumption was 193.4 MB. Max. memory is 16.1 GB. * Witness Printer took 101.89 ms. Allocated memory is still 509.6 MB. Free memory was 278.2 MB in the beginning and 268.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6404 VarBasedMoverChecksPositive, 116 VarBasedMoverChecksNegative, 22 SemBasedMoverChecksPositive, 94 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 929 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.3s, 157 PlacesBefore, 65 PlacesAfterwards, 171 TransitionsBefore, 75 TransitionsAfterwards, 9672 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 119 TotalNumberOfCompositions, 25110 MoverChecksTotal - CounterExampleResult [Line: 712]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 int idx=0; [L690] 0 int ctr1=1, ctr2=0; [L691] 0 int readerprogress1=0, readerprogress2=0; [L692] 0 pthread_mutex_t mutex; [L782] 0 pthread_t t1, t2, t3; [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L724] 1 int myidx; VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 [L726] 1 myidx = idx [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L762] 3 int i; [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); [L764] 3 int sum; [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L766] COND FALSE 3 !(__VERIFIER_nondet_int()) [L766] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L766] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L767] COND TRUE 3 sum <= 1 [L767] COND FALSE 3 !(__VERIFIER_nondet_int()) [L767] 3 sum = ctr2 VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L767] 3 sum = sum + ctr1 VAL [ctr1=1, ctr2=0, idx=0, mutex={11:0}, readerprogress1=0, readerprogress2=0] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [ctr1=2, ctr2=0, idx=0, mutex={11:0}, readerprogress1=1, readerprogress2=0] [L769] COND FALSE 3 !(sum > 1) VAL [ctr1=2, ctr2=0, idx=0, mutex={11:0}, readerprogress1=1, readerprogress2=0] [L777] CALL 3 __VERIFIER_atomic_check_progress1(readerstart1) [L710] COND TRUE 3 __VERIFIER_nondet_int() [L711] CALL 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L3] COND FALSE 3 !(!cond) [L711] RET 3 assume_abort_if_not(readerstart1 == 1 && readerprogress1 == 1) [L712] COND TRUE 3 !(0) [L712] 3 reach_error() VAL [ctr1=2, ctr2=0, idx=0, mutex={11:0}, readerprogress1=1, readerprogress2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 440 SDtfs, 378 SDslu, 679 SDs, 0 SdLazy, 374 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4570occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1937 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 3983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...