./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:12:00,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:12:00,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:12:00,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:12:00,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:12:00,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:12:00,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:12:00,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:12:00,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:12:00,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:12:00,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:12:00,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:12:00,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:12:00,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:12:00,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:12:00,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:12:00,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:12:00,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:12:00,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:12:00,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:12:00,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:12:00,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:12:00,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:12:00,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:12:00,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:12:00,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:12:00,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:12:00,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:12:00,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:12:00,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:12:00,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:12:00,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:12:00,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:12:00,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:12:00,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:12:00,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:12:00,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:12:00,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:12:00,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:12:00,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:12:00,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:12:00,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:12:00,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:12:00,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:12:00,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:12:00,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:12:00,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:12:00,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:12:00,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:12:00,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:12:00,303 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:12:00,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:12:00,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:12:00,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:12:00,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:12:00,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:12:00,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:12:00,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:12:00,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:12:00,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:12:00,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:12:00,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:12:00,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:12:00,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:12:00,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:12:00,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:12:00,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:12:00,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:12:00,308 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:12:00,309 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2022-12-13 13:12:00,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:12:00,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:12:00,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:12:00,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:12:00,510 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:12:00,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-12-13 13:12:03,148 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:12:03,361 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:12:03,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-12-13 13:12:03,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/data/7fb57975a/b3f6e87d581348238a2b9d4231e8b452/FLAGdcf50de9f [2022-12-13 13:12:03,386 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/data/7fb57975a/b3f6e87d581348238a2b9d4231e8b452 [2022-12-13 13:12:03,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:12:03,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:12:03,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:12:03,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:12:03,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:12:03,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24929951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03, skipping insertion in model container [2022-12-13 13:12:03,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:12:03,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:12:03,656 WARN L237 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_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-12-13 13:12:03,658 WARN L237 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_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-12-13 13:12:03,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:12:03,680 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:12:03,709 WARN L237 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_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-12-13 13:12:03,710 WARN L237 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_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-12-13 13:12:03,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:12:03,743 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:12:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03 WrapperNode [2022-12-13 13:12:03,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:12:03,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:12:03,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:12:03,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:12:03,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,784 INFO L138 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 473 [2022-12-13 13:12:03,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:12:03,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:12:03,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:12:03,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:12:03,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:12:03,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:12:03,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:12:03,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:12:03,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (1/1) ... [2022-12-13 13:12:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:12:03,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:12:03,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:12:03,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:12:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-12-13 13:12:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-12-13 13:12:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-12-13 13:12:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-12-13 13:12:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:12:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:12:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:12:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:12:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:12:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:12:03,887 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:12:04,003 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:12:04,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:12:04,462 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:12:04,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:12:04,687 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 13:12:04,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:12:04 BoogieIcfgContainer [2022-12-13 13:12:04,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:12:04,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:12:04,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:12:04,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:12:04,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:12:03" (1/3) ... [2022-12-13 13:12:04,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c796f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:12:04, skipping insertion in model container [2022-12-13 13:12:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:12:03" (2/3) ... [2022-12-13 13:12:04,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c796f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:12:04, skipping insertion in model container [2022-12-13 13:12:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:12:04" (3/3) ... [2022-12-13 13:12:04,697 INFO L112 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2022-12-13 13:12:04,706 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:12:04,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:12:04,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2022-12-13 13:12:04,717 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:12:04,827 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 13:12:04,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 333 places, 341 transitions, 706 flow [2022-12-13 13:12:04,962 INFO L130 PetriNetUnfolder]: 18/338 cut-off events. [2022-12-13 13:12:04,963 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 13:12:04,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 338 events. 18/338 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1060 event pairs, 0 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 284. Up to 4 conditions per place. [2022-12-13 13:12:04,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 333 places, 341 transitions, 706 flow [2022-12-13 13:12:04,978 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 326 transitions, 667 flow [2022-12-13 13:12:04,981 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:12:04,988 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 326 transitions, 667 flow [2022-12-13 13:12:04,990 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 326 transitions, 667 flow [2022-12-13 13:12:04,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 326 transitions, 667 flow [2022-12-13 13:12:05,044 INFO L130 PetriNetUnfolder]: 18/326 cut-off events. [2022-12-13 13:12:05,044 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:12:05,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 326 events. 18/326 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1062 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 284. Up to 4 conditions per place. [2022-12-13 13:12:05,058 INFO L119 LiptonReduction]: Number of co-enabled transitions 47166 [2022-12-13 13:12:11,468 INFO L134 LiptonReduction]: Checked pairs total: 283402 [2022-12-13 13:12:11,468 INFO L136 LiptonReduction]: Total number of compositions: 164 [2022-12-13 13:12:11,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:12:11,482 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6096a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:12:11,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 118 error locations. [2022-12-13 13:12:11,484 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-13 13:12:11,485 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:12:11,485 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:11,485 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:12:11,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:11,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1743140837, now seen corresponding path program 1 times [2022-12-13 13:12:11,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:11,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448072420] [2022-12-13 13:12:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:11,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:11,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448072420] [2022-12-13 13:12:11,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448072420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:11,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:11,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039528709] [2022-12-13 13:12:11,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:11,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:11,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:11,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:11,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:11,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 505 [2022-12-13 13:12:11,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 202 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:11,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:11,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 505 [2022-12-13 13:12:11,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:12:15,957 INFO L130 PetriNetUnfolder]: 32776/60111 cut-off events. [2022-12-13 13:12:15,957 INFO L131 PetriNetUnfolder]: For 1290/1290 co-relation queries the response was YES. [2022-12-13 13:12:16,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105029 conditions, 60111 events. 32776/60111 cut-off events. For 1290/1290 co-relation queries the response was YES. Maximal size of possible extension queue 1592. Compared 567335 event pairs, 11259 based on Foata normal form. 676/50359 useless extension candidates. Maximal degree in co-relation 96636. Up to 35092 conditions per place. [2022-12-13 13:12:16,264 INFO L137 encePairwiseOnDemand]: 462/505 looper letters, 112 selfloop transitions, 9 changer transitions 0/222 dead transitions. [2022-12-13 13:12:16,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 222 transitions, 713 flow [2022-12-13 13:12:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:12:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:12:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2022-12-13 13:12:16,276 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6752475247524753 [2022-12-13 13:12:16,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2022-12-13 13:12:16,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2022-12-13 13:12:16,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:12:16,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2022-12-13 13:12:16,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.0) internal successors, (1023), 3 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:16,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:16,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:16,298 INFO L175 Difference]: Start difference. First operand has 196 places, 202 transitions, 419 flow. Second operand 3 states and 1023 transitions. [2022-12-13 13:12:16,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 222 transitions, 713 flow [2022-12-13 13:12:16,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 222 transitions, 697 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 13:12:16,369 INFO L231 Difference]: Finished difference. Result has 167 places, 177 transitions, 414 flow [2022-12-13 13:12:16,370 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=167, PETRI_TRANSITIONS=177} [2022-12-13 13:12:16,373 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -29 predicate places. [2022-12-13 13:12:16,373 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 177 transitions, 414 flow [2022-12-13 13:12:16,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:16,373 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:16,374 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:12:16,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:12:16,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:16,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:16,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1846784417, now seen corresponding path program 1 times [2022-12-13 13:12:16,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:16,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076332777] [2022-12-13 13:12:16,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:16,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:16,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:16,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076332777] [2022-12-13 13:12:16,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076332777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:16,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:16,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060243886] [2022-12-13 13:12:16,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:16,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:16,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:16,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:16,469 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 505 [2022-12-13 13:12:16,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 177 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:16,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:16,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 505 [2022-12-13 13:12:16,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:12:23,201 INFO L130 PetriNetUnfolder]: 59556/108723 cut-off events. [2022-12-13 13:12:23,201 INFO L131 PetriNetUnfolder]: For 8752/8774 co-relation queries the response was YES. [2022-12-13 13:12:23,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199471 conditions, 108723 events. 59556/108723 cut-off events. For 8752/8774 co-relation queries the response was YES. Maximal size of possible extension queue 2609. Compared 1089597 event pairs, 23169 based on Foata normal form. 0/90371 useless extension candidates. Maximal degree in co-relation 130023. Up to 51057 conditions per place. [2022-12-13 13:12:23,821 INFO L137 encePairwiseOnDemand]: 478/505 looper letters, 123 selfloop transitions, 20 changer transitions 0/233 dead transitions. [2022-12-13 13:12:23,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 233 transitions, 832 flow [2022-12-13 13:12:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:12:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:12:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2022-12-13 13:12:23,824 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6310231023102311 [2022-12-13 13:12:23,824 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 956 transitions. [2022-12-13 13:12:23,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 956 transitions. [2022-12-13 13:12:23,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:12:23,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 956 transitions. [2022-12-13 13:12:23,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:23,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:23,830 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:23,830 INFO L175 Difference]: Start difference. First operand has 167 places, 177 transitions, 414 flow. Second operand 3 states and 956 transitions. [2022-12-13 13:12:23,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 233 transitions, 832 flow [2022-12-13 13:12:23,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 233 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:12:23,882 INFO L231 Difference]: Finished difference. Result has 169 places, 195 transitions, 562 flow [2022-12-13 13:12:23,882 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=169, PETRI_TRANSITIONS=195} [2022-12-13 13:12:23,883 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -27 predicate places. [2022-12-13 13:12:23,883 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 195 transitions, 562 flow [2022-12-13 13:12:23,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:23,883 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:23,884 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:12:23,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:12:23,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1846785283, now seen corresponding path program 1 times [2022-12-13 13:12:23,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:23,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001800288] [2022-12-13 13:12:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:23,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:23,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:23,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001800288] [2022-12-13 13:12:23,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001800288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:23,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:23,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:23,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972117553] [2022-12-13 13:12:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:23,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:23,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:23,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:23,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 505 [2022-12-13 13:12:23,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 195 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:23,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:23,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 505 [2022-12-13 13:12:23,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:12:34,267 INFO L130 PetriNetUnfolder]: 87877/161855 cut-off events. [2022-12-13 13:12:34,267 INFO L131 PetriNetUnfolder]: For 36140/36888 co-relation queries the response was YES. [2022-12-13 13:12:34,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322634 conditions, 161855 events. 87877/161855 cut-off events. For 36140/36888 co-relation queries the response was YES. Maximal size of possible extension queue 4026. Compared 1726119 event pairs, 33000 based on Foata normal form. 174/138738 useless extension candidates. Maximal degree in co-relation 224553. Up to 73344 conditions per place. [2022-12-13 13:12:35,362 INFO L137 encePairwiseOnDemand]: 478/505 looper letters, 137 selfloop transitions, 22 changer transitions 0/259 dead transitions. [2022-12-13 13:12:35,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 259 transitions, 1064 flow [2022-12-13 13:12:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:12:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:12:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2022-12-13 13:12:35,366 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6316831683168317 [2022-12-13 13:12:35,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2022-12-13 13:12:35,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2022-12-13 13:12:35,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:12:35,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2022-12-13 13:12:35,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:35,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:35,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:35,373 INFO L175 Difference]: Start difference. First operand has 169 places, 195 transitions, 562 flow. Second operand 3 states and 957 transitions. [2022-12-13 13:12:35,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 259 transitions, 1064 flow [2022-12-13 13:12:35,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 259 transitions, 1010 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:12:35,451 INFO L231 Difference]: Finished difference. Result has 171 places, 215 transitions, 712 flow [2022-12-13 13:12:35,451 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=712, PETRI_PLACES=171, PETRI_TRANSITIONS=215} [2022-12-13 13:12:35,451 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -25 predicate places. [2022-12-13 13:12:35,452 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 215 transitions, 712 flow [2022-12-13 13:12:35,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:35,452 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:35,452 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:12:35,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:12:35,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1591658401, now seen corresponding path program 1 times [2022-12-13 13:12:35,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:35,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19748242] [2022-12-13 13:12:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:35,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:35,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19748242] [2022-12-13 13:12:35,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19748242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:35,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:35,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:35,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253363710] [2022-12-13 13:12:35,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:35,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:35,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:35,511 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 505 [2022-12-13 13:12:35,512 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 215 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:35,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:35,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 505 [2022-12-13 13:12:35,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:12:44,498 INFO L130 PetriNetUnfolder]: 62144/124645 cut-off events. [2022-12-13 13:12:44,498 INFO L131 PetriNetUnfolder]: For 48021/50574 co-relation queries the response was YES. [2022-12-13 13:12:44,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259733 conditions, 124645 events. 62144/124645 cut-off events. For 48021/50574 co-relation queries the response was YES. Maximal size of possible extension queue 3127. Compared 1395388 event pairs, 19350 based on Foata normal form. 1880/108160 useless extension candidates. Maximal degree in co-relation 193612. Up to 62148 conditions per place. [2022-12-13 13:12:45,184 INFO L137 encePairwiseOnDemand]: 498/505 looper letters, 135 selfloop transitions, 11 changer transitions 0/272 dead transitions. [2022-12-13 13:12:45,185 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 272 transitions, 1215 flow [2022-12-13 13:12:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:12:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:12:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 982 transitions. [2022-12-13 13:12:45,187 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6481848184818482 [2022-12-13 13:12:45,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 982 transitions. [2022-12-13 13:12:45,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 982 transitions. [2022-12-13 13:12:45,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:12:45,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 982 transitions. [2022-12-13 13:12:45,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:45,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:45,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:45,193 INFO L175 Difference]: Start difference. First operand has 171 places, 215 transitions, 712 flow. Second operand 3 states and 982 transitions. [2022-12-13 13:12:45,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 272 transitions, 1215 flow [2022-12-13 13:12:45,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 272 transitions, 1151 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:12:45,252 INFO L231 Difference]: Finished difference. Result has 172 places, 225 transitions, 781 flow [2022-12-13 13:12:45,253 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=172, PETRI_TRANSITIONS=225} [2022-12-13 13:12:45,253 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -24 predicate places. [2022-12-13 13:12:45,253 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 225 transitions, 781 flow [2022-12-13 13:12:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:45,254 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:45,254 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:12:45,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:12:45,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:45,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1581469879, now seen corresponding path program 1 times [2022-12-13 13:12:45,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:45,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338797891] [2022-12-13 13:12:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:45,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:45,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338797891] [2022-12-13 13:12:45,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338797891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:45,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:45,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:45,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956237735] [2022-12-13 13:12:45,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:45,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:45,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:45,289 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 505 [2022-12-13 13:12:45,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 225 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:45,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:45,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 505 [2022-12-13 13:12:45,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:12:55,704 INFO L130 PetriNetUnfolder]: 76669/150204 cut-off events. [2022-12-13 13:12:55,704 INFO L131 PetriNetUnfolder]: For 67460/70284 co-relation queries the response was YES. [2022-12-13 13:12:56,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320628 conditions, 150204 events. 76669/150204 cut-off events. For 67460/70284 co-relation queries the response was YES. Maximal size of possible extension queue 3652. Compared 1683361 event pairs, 41328 based on Foata normal form. 307/126939 useless extension candidates. Maximal degree in co-relation 225724. Up to 88546 conditions per place. [2022-12-13 13:12:56,509 INFO L137 encePairwiseOnDemand]: 500/505 looper letters, 163 selfloop transitions, 4 changer transitions 0/294 dead transitions. [2022-12-13 13:12:56,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 294 transitions, 1379 flow [2022-12-13 13:12:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:12:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:12:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-12-13 13:12:56,514 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6462046204620462 [2022-12-13 13:12:56,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-12-13 13:12:56,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-12-13 13:12:56,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:12:56,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-12-13 13:12:56,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:56,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:56,523 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:56,523 INFO L175 Difference]: Start difference. First operand has 172 places, 225 transitions, 781 flow. Second operand 3 states and 979 transitions. [2022-12-13 13:12:56,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 294 transitions, 1379 flow [2022-12-13 13:12:56,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 294 transitions, 1363 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:12:56,547 INFO L231 Difference]: Finished difference. Result has 175 places, 228 transitions, 800 flow [2022-12-13 13:12:56,547 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=175, PETRI_TRANSITIONS=228} [2022-12-13 13:12:56,548 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -21 predicate places. [2022-12-13 13:12:56,548 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 228 transitions, 800 flow [2022-12-13 13:12:56,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:56,549 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:12:56,549 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:12:56,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:12:56,549 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:12:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:12:56,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1183352216, now seen corresponding path program 1 times [2022-12-13 13:12:56,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:12:56,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889058302] [2022-12-13 13:12:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:12:56,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:12:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:12:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:12:56,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:12:56,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889058302] [2022-12-13 13:12:56,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889058302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:12:56,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:12:56,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:12:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474294951] [2022-12-13 13:12:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:12:56,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:12:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:12:56,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:12:56,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:12:56,587 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 505 [2022-12-13 13:12:56,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 228 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:12:56,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:12:56,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 505 [2022-12-13 13:12:56,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:13:08,134 INFO L130 PetriNetUnfolder]: 82762/164077 cut-off events. [2022-12-13 13:13:08,134 INFO L131 PetriNetUnfolder]: For 88161/93242 co-relation queries the response was YES. [2022-12-13 13:13:08,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357216 conditions, 164077 events. 82762/164077 cut-off events. For 88161/93242 co-relation queries the response was YES. Maximal size of possible extension queue 3982. Compared 1873792 event pairs, 47710 based on Foata normal form. 655/140441 useless extension candidates. Maximal degree in co-relation 251720. Up to 103579 conditions per place. [2022-12-13 13:13:09,062 INFO L137 encePairwiseOnDemand]: 501/505 looper letters, 167 selfloop transitions, 4 changer transitions 0/299 dead transitions. [2022-12-13 13:13:09,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 299 transitions, 1421 flow [2022-12-13 13:13:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:13:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:13:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-12-13 13:13:09,066 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6462046204620462 [2022-12-13 13:13:09,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-12-13 13:13:09,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-12-13 13:13:09,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:13:09,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-12-13 13:13:09,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:13:09,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:13:09,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:13:09,071 INFO L175 Difference]: Start difference. First operand has 175 places, 228 transitions, 800 flow. Second operand 3 states and 979 transitions. [2022-12-13 13:13:09,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 299 transitions, 1421 flow [2022-12-13 13:13:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 299 transitions, 1407 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:13:09,126 INFO L231 Difference]: Finished difference. Result has 176 places, 231 transitions, 822 flow [2022-12-13 13:13:09,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=176, PETRI_TRANSITIONS=231} [2022-12-13 13:13:09,127 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -20 predicate places. [2022-12-13 13:13:09,127 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 231 transitions, 822 flow [2022-12-13 13:13:09,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:13:09,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:13:09,127 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:13:09,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:13:09,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:13:09,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:13:09,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1113225699, now seen corresponding path program 1 times [2022-12-13 13:13:09,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:13:09,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002984707] [2022-12-13 13:13:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:13:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:13:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:13:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:13:09,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:13:09,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002984707] [2022-12-13 13:13:09,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002984707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:13:09,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:13:09,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:13:09,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149701668] [2022-12-13 13:13:09,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:13:09,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:13:09,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:13:09,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:13:09,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:13:09,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 505 [2022-12-13 13:13:09,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 231 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:13:09,525 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:13:09,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 505 [2022-12-13 13:13:09,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:14:11,614 INFO L130 PetriNetUnfolder]: 495695/826584 cut-off events. [2022-12-13 13:14:11,614 INFO L131 PetriNetUnfolder]: For 535215/581906 co-relation queries the response was YES. [2022-12-13 13:14:13,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945527 conditions, 826584 events. 495695/826584 cut-off events. For 535215/581906 co-relation queries the response was YES. Maximal size of possible extension queue 18866. Compared 9505641 event pairs, 170380 based on Foata normal form. 5794/703884 useless extension candidates. Maximal degree in co-relation 1371613. Up to 377346 conditions per place. [2022-12-13 13:14:16,958 INFO L137 encePairwiseOnDemand]: 498/505 looper letters, 454 selfloop transitions, 21 changer transitions 0/599 dead transitions. [2022-12-13 13:14:16,958 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 599 transitions, 3374 flow [2022-12-13 13:14:16,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:14:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:14:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2001 transitions. [2022-12-13 13:14:16,962 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6603960396039604 [2022-12-13 13:14:16,962 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2001 transitions. [2022-12-13 13:14:16,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2001 transitions. [2022-12-13 13:14:16,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:14:16,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2001 transitions. [2022-12-13 13:14:16,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 333.5) internal successors, (2001), 6 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:14:16,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 505.0) internal successors, (3535), 7 states have internal predecessors, (3535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:14:16,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 505.0) internal successors, (3535), 7 states have internal predecessors, (3535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:14:16,970 INFO L175 Difference]: Start difference. First operand has 176 places, 231 transitions, 822 flow. Second operand 6 states and 2001 transitions. [2022-12-13 13:14:16,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 599 transitions, 3374 flow [2022-12-13 13:14:18,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 599 transitions, 3354 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:14:18,432 INFO L231 Difference]: Finished difference. Result has 185 places, 251 transitions, 1024 flow [2022-12-13 13:14:18,432 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1024, PETRI_PLACES=185, PETRI_TRANSITIONS=251} [2022-12-13 13:14:18,433 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -11 predicate places. [2022-12-13 13:14:18,433 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 251 transitions, 1024 flow [2022-12-13 13:14:18,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:14:18,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:14:18,434 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:14:18,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:14:18,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:14:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:14:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 588921358, now seen corresponding path program 1 times [2022-12-13 13:14:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:14:18,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270411020] [2022-12-13 13:14:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:14:18,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:14:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:14:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:14:18,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:14:18,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270411020] [2022-12-13 13:14:18,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270411020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:14:18,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:14:18,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:14:18,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462428735] [2022-12-13 13:14:18,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:14:18,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:14:18,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:14:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:14:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:14:19,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 505 [2022-12-13 13:14:19,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 251 transitions, 1024 flow. Second operand has 10 states, 10 states have (on average 277.3) internal successors, (2773), 10 states have internal predecessors, (2773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:14:19,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:14:19,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 505 [2022-12-13 13:14:19,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:14:24,444 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][205], [395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 348#true, 289#L745-1true, 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 356#(= ~ctr2~0 0), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,444 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2022-12-13 13:14:24,444 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-13 13:14:24,444 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 13:14:24,444 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][205], [395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 348#true, 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 356#(= ~ctr2~0 0), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,445 INFO L383 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][206], [Black: 348#true, 289#L745-1true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,445 INFO L383 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][206], [Black: 348#true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,445 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:24,445 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][207], [Black: 348#true, 289#L745-1true, 370#true, 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), 48#L787-5true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,446 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][207], [Black: 348#true, 370#true, 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), 48#L787-5true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:24,446 INFO L383 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2022-12-13 13:14:24,446 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2022-12-13 13:14:24,682 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][205], [395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 348#true, 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 356#(= ~ctr2~0 0), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true, 216#L726-1true]) [2022-12-13 13:14:24,682 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][206], [Black: 348#true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true, 216#L726-1true]) [2022-12-13 13:14:24,683 INFO L383 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][207], [Black: 348#true, 370#true, 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 138#L745-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), 48#L787-5true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true, 216#L726-1true]) [2022-12-13 13:14:24,683 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-13 13:14:24,683 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:26,583 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][205], [Black: 348#true, 395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 275#L744-2true, 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 356#(= ~ctr2~0 0), Black: 342#true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:26,584 INFO L383 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][206], [Black: 348#true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 275#L744-2true, 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), Black: 342#true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:26,584 INFO L383 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][207], [Black: 348#true, 370#true, 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 275#L744-2true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 35#L726-2true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 356#(= ~ctr2~0 0), Black: 342#true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 48#L787-5true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:26,584 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2022-12-13 13:14:26,584 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1739] L767-18-->L777-1: Formula: (and (= |v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19| (select (select |v_#memory_int_119| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|)) (= |v_#race_189| (store |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41| (store (select |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37| 0))) (not (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|))) InVars {#race=|v_#race_190|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|} OutVars{#race=|v_#race_189|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|, qrcu_updaterThread1of1ForFork0_#t~mem40#1=|v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19|} AuxVars[] AssignedVars[#race, qrcu_updaterThread1of1ForFork0_#t~mem40#1][173], [Black: 348#true, 395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 370#true, Black: 356#(= ~ctr2~0 0), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, 225#qrcu_reader1EXITtrue, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, 200#L777-1true, Black: 344#(= |#race~ctr2~0| 0), 198#L744-3true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0))]) [2022-12-13 13:14:44,043 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][205], [Black: 348#true, 395#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 370#true, Black: 356#(= ~ctr2~0 0), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 267#L787-3true, qrcu_updaterThread1of1ForFork0InUse, 225#qrcu_reader1EXITtrue, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 336#true, Black: 344#(= |#race~ctr2~0| 0), Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 198#L744-3true, Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true]) [2022-12-13 13:14:44,043 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 13:14:44,043 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 13:14:44,044 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1739] L767-18-->L777-1: Formula: (and (= |v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19| (select (select |v_#memory_int_119| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|)) (= |v_#race_189| (store |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41| (store (select |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37| 0))) (not (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|))) InVars {#race=|v_#race_190|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|} OutVars{#race=|v_#race_189|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|, qrcu_updaterThread1of1ForFork0_#t~mem40#1=|v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19|} AuxVars[] AssignedVars[#race, qrcu_updaterThread1of1ForFork0_#t~mem40#1][174], [Black: 348#true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 356#(= ~ctr2~0 0), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 225#qrcu_reader1EXITtrue, Black: 336#true, 200#L777-1true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 198#L744-3true, Black: 344#(= |#race~ctr2~0| 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0))]) [2022-12-13 13:14:44,263 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][206], [Black: 348#true, 397#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 370#true, Black: 356#(= ~ctr2~0 0), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), 215#L787-4true, qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 225#qrcu_reader1EXITtrue, Black: 336#true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 198#L744-3true, Black: 344#(= |#race~ctr2~0| 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true, Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0))]) [2022-12-13 13:14:44,263 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 13:14:44,263 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1739] L767-18-->L777-1: Formula: (and (= |v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19| (select (select |v_#memory_int_119| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|)) (= |v_#race_189| (store |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41| (store (select |v_#race_190| |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|) |v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37| 0))) (not (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|))) InVars {#race=|v_#race_190|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|} OutVars{#race=|v_#race_189|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_43|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.offset_37|, #memory_int=|v_#memory_int_119|, qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base=|v_qrcu_updaterThread1of1ForFork0_~#readerstart1~0#1.base_41|, qrcu_updaterThread1of1ForFork0_#t~mem40#1=|v_qrcu_updaterThread1of1ForFork0_#t~mem40#1_19|} AuxVars[] AssignedVars[#race, qrcu_updaterThread1of1ForFork0_#t~mem40#1][175], [Black: 348#true, 370#true, Black: 356#(= ~ctr2~0 0), 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 225#qrcu_reader1EXITtrue, 200#L777-1true, Black: 336#true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 198#L744-3true, Black: 344#(= |#race~ctr2~0| 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 48#L787-5true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0))]) [2022-12-13 13:14:46,691 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1762] L767-18-->L771-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#mutex~0.base_30|))) (and (= |v_#pthreadsMutex_27| (store |v_#pthreadsMutex_28| |v_~#mutex~0.base_30| (store .cse0 |v_~#mutex~0.offset_30| 1))) (= |v_#race~idx~0_39| 0) (= (select .cse0 |v_~#mutex~0.offset_30|) 0) (< 1 |v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, ~#mutex~0.base=|v_~#mutex~0.base_30|, qrcu_updaterThread1of1ForFork0_~sum~0#1=|v_qrcu_updaterThread1of1ForFork0_~sum~0#1_51|, #race~idx~0=|v_#race~idx~0_39|, qrcu_updaterThread1of1ForFork0_#t~nondet29#1=|v_qrcu_updaterThread1of1ForFork0_#t~nondet29#1_11|, ~#mutex~0.offset=|v_~#mutex~0.offset_30|} AuxVars[] AssignedVars[#pthreadsMutex, #race~idx~0, qrcu_updaterThread1of1ForFork0_#t~nondet29#1][207], [Black: 348#true, 370#true, Black: 356#(= ~ctr2~0 0), 399#(and (not (= |ULTIMATE.start_main_~#t2~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#t3~0#1.base| |ULTIMATE.start_main_~#t1~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t1~0#1.base|) 1) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 361#(= |qrcu_reader1Thread1of1ForFork1_#t~nondet21#1| |#race~readerprogress1~0|), qrcu_updaterThread1of1ForFork0InUse, Black: 367#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 225#qrcu_reader1EXITtrue, Black: 336#true, Black: 372#(= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0), 198#L744-3true, Black: 344#(= |#race~ctr2~0| 0), Black: 373#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0)), 48#L787-5true, Black: 374#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 222#L771-1true, Black: 375#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0))]) [2022-12-13 13:14:46,691 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 13:14:46,691 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 13:15:18,554 INFO L130 PetriNetUnfolder]: 454373/731986 cut-off events. [2022-12-13 13:15:18,554 INFO L131 PetriNetUnfolder]: For 571249/611037 co-relation queries the response was YES. [2022-12-13 13:15:20,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1926225 conditions, 731986 events. 454373/731986 cut-off events. For 571249/611037 co-relation queries the response was YES. Maximal size of possible extension queue 16584. Compared 7964340 event pairs, 52590 based on Foata normal form. 19029/655864 useless extension candidates. Maximal degree in co-relation 1351915. Up to 212703 conditions per place. [2022-12-13 13:15:23,558 INFO L137 encePairwiseOnDemand]: 498/505 looper letters, 669 selfloop transitions, 20 changer transitions 0/813 dead transitions. [2022-12-13 13:15:23,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 813 transitions, 4918 flow [2022-12-13 13:15:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:15:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:15:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3444 transitions. [2022-12-13 13:15:23,564 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.61998199819982 [2022-12-13 13:15:23,564 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3444 transitions. [2022-12-13 13:15:23,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3444 transitions. [2022-12-13 13:15:23,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:23,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3444 transitions. [2022-12-13 13:15:23,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 313.09090909090907) internal successors, (3444), 11 states have internal predecessors, (3444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:15:23,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 505.0) internal successors, (6060), 12 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:15:23,577 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 505.0) internal successors, (6060), 12 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:15:23,577 INFO L175 Difference]: Start difference. First operand has 185 places, 251 transitions, 1024 flow. Second operand 11 states and 3444 transitions. [2022-12-13 13:15:23,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 813 transitions, 4918 flow [2022-12-13 13:21:34,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 813 transitions, 4910 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:21:34,185 INFO L231 Difference]: Finished difference. Result has 193 places, 261 transitions, 1097 flow [2022-12-13 13:21:34,185 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1097, PETRI_PLACES=193, PETRI_TRANSITIONS=261} [2022-12-13 13:21:34,185 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -3 predicate places. [2022-12-13 13:21:34,185 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 261 transitions, 1097 flow [2022-12-13 13:21:34,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 277.3) internal successors, (2773), 10 states have internal predecessors, (2773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:21:34,186 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:21:34,186 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:21:34,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:21:34,186 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:21:34,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:21:34,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2074572360, now seen corresponding path program 1 times [2022-12-13 13:21:34,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:21:34,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076788033] [2022-12-13 13:21:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:21:34,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:21:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:21:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:21:34,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:21:34,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076788033] [2022-12-13 13:21:34,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076788033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:21:34,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:21:34,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:21:34,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102640443] [2022-12-13 13:21:34,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:21:34,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:21:34,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:21:34,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:21:34,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:21:34,214 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 505 [2022-12-13 13:21:34,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 261 transitions, 1097 flow. Second operand has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:21:34,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:21:34,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 505 [2022-12-13 13:21:34,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:22:16,096 INFO L130 PetriNetUnfolder]: 239447/491936 cut-off events. [2022-12-13 13:22:16,097 INFO L131 PetriNetUnfolder]: For 305164/327425 co-relation queries the response was YES. [2022-12-13 13:22:17,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1121078 conditions, 491936 events. 239447/491936 cut-off events. For 305164/327425 co-relation queries the response was YES. Maximal size of possible extension queue 12481. Compared 6671394 event pairs, 114511 based on Foata normal form. 2268/415074 useless extension candidates. Maximal degree in co-relation 772589. Up to 302909 conditions per place. [2022-12-13 13:22:19,842 INFO L137 encePairwiseOnDemand]: 501/505 looper letters, 192 selfloop transitions, 12 changer transitions 0/343 dead transitions. [2022-12-13 13:22:19,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 343 transitions, 1880 flow [2022-12-13 13:22:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:22:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:22:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2022-12-13 13:22:19,845 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6448844884488449 [2022-12-13 13:22:19,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 977 transitions. [2022-12-13 13:22:19,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 977 transitions. [2022-12-13 13:22:19,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:22:19,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 977 transitions. [2022-12-13 13:22:19,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:22:19,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:22:19,851 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:22:19,851 INFO L175 Difference]: Start difference. First operand has 193 places, 261 transitions, 1097 flow. Second operand 3 states and 977 transitions. [2022-12-13 13:22:19,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 343 transitions, 1880 flow [2022-12-13 13:22:20,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 343 transitions, 1858 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 13:22:20,688 INFO L231 Difference]: Finished difference. Result has 193 places, 272 transitions, 1231 flow [2022-12-13 13:22:20,689 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1231, PETRI_PLACES=193, PETRI_TRANSITIONS=272} [2022-12-13 13:22:20,689 INFO L288 CegarLoopForPetriNet]: 196 programPoint places, -3 predicate places. [2022-12-13 13:22:20,689 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 272 transitions, 1231 flow [2022-12-13 13:22:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:22:20,690 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:22:20,690 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:22:20,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:22:20,691 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 13:22:20,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:22:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash -572481749, now seen corresponding path program 1 times [2022-12-13 13:22:20,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:22:20,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799692777] [2022-12-13 13:22:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:22:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:22:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:22:20,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:22:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:22:20,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:22:20,742 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:22:20,743 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (117 of 118 remaining) [2022-12-13 13:22:20,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (116 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (115 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (114 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (113 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (112 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (111 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (110 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (109 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (108 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (107 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (106 of 118 remaining) [2022-12-13 13:22:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (105 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (104 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (103 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (102 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (101 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (100 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (99 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (98 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (97 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (96 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (95 of 118 remaining) [2022-12-13 13:22:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (94 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (93 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (92 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (91 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (90 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (89 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (88 of 118 remaining) [2022-12-13 13:22:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (87 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (86 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (85 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (84 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (83 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (82 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (81 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (80 of 118 remaining) [2022-12-13 13:22:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (79 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (78 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (77 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (76 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (75 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (74 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (73 of 118 remaining) [2022-12-13 13:22:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (72 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (71 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (70 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (69 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (68 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (67 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (66 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (65 of 118 remaining) [2022-12-13 13:22:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (64 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (63 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (62 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (61 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (60 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (59 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (58 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 118 remaining) [2022-12-13 13:22:20,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (54 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (53 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (52 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (51 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (50 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (49 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (48 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (47 of 118 remaining) [2022-12-13 13:22:20,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (46 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (45 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (44 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (43 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (42 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (41 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (40 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (39 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (38 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (37 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (36 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (35 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (34 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (33 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (32 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (31 of 118 remaining) [2022-12-13 13:22:20,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (30 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (29 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (28 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (27 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (26 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (25 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (24 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (23 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (22 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (21 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (20 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (19 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (18 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (17 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (16 of 118 remaining) [2022-12-13 13:22:20,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (15 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (14 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (13 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (12 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (11 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (10 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (9 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (8 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (7 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (6 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (5 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (4 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (3 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (2 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (1 of 118 remaining) [2022-12-13 13:22:20,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (0 of 118 remaining) [2022-12-13 13:22:20,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:22:20,756 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:22:20,762 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:22:20,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:22:20,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:22:20 BasicIcfg [2022-12-13 13:22:20,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:22:20,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:22:20,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:22:20,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:22:20,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:12:04" (3/4) ... [2022-12-13 13:22:20,799 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:22:20,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:22:20,800 INFO L158 Benchmark]: Toolchain (without parser) took 617410.71ms. Allocated memory was 119.5MB in the beginning and 12.5GB in the end (delta: 12.4GB). Free memory was 85.8MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2022-12-13 13:22:20,800 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 83.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:22:20,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.05ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 63.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 13:22:20,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.97ms. Allocated memory is still 119.5MB. Free memory was 63.4MB in the beginning and 59.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:22:20,801 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 119.5MB. Free memory was 59.9MB in the beginning and 56.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:22:20,801 INFO L158 Benchmark]: RCFGBuilder took 862.92ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 56.6MB in the beginning and 106.8MB in the end (delta: -50.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-12-13 13:22:20,801 INFO L158 Benchmark]: TraceAbstraction took 616104.55ms. Allocated memory was 151.0MB in the beginning and 12.5GB in the end (delta: 12.4GB). Free memory was 105.7MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2022-12-13 13:22:20,801 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 12.5GB. Free memory was 8.5GB in the beginning and 8.5GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:22:20,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 83.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.05ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 63.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.97ms. Allocated memory is still 119.5MB. Free memory was 63.4MB in the beginning and 59.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 119.5MB. Free memory was 59.9MB in the beginning and 56.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 862.92ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 56.6MB in the beginning and 106.8MB in the end (delta: -50.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 616104.55ms. Allocated memory was 151.0MB in the beginning and 12.5GB in the end (delta: 12.4GB). Free memory was 105.7MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 12.5GB. Free memory was 8.5GB in the beginning and 8.5GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5s, 318 PlacesBefore, 196 PlacesAfterwards, 326 TransitionsBefore, 202 TransitionsAfterwards, 47166 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 120 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 164 TotalNumberOfCompositions, 283402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79771, independent: 77563, independent conditional: 0, independent unconditional: 77563, dependent: 2208, dependent conditional: 0, dependent unconditional: 2208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19608, independent: 19286, independent conditional: 0, independent unconditional: 19286, dependent: 322, dependent conditional: 0, dependent unconditional: 322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79771, independent: 58277, independent conditional: 0, independent unconditional: 58277, dependent: 1886, dependent conditional: 0, dependent unconditional: 1886, unknown: 19608, unknown conditional: 0, unknown unconditional: 19608] , Statistics on independence cache: Total cache size (in pairs): 4751, Positive cache size: 4574, Positive conditional cache size: 0, Positive unconditional cache size: 4574, Negative cache size: 177, Negative conditional cache size: 0, Negative unconditional cache size: 177, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 766]: Data race detected Data race detected The following path leads to a data race: [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={3:0}, pthread_create(&t1, 0, qrcu_reader1, 0)=-2, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={10:0}] [L724] 1 int myidx; VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, pthread_create(&t2, 0, qrcu_reader2, 0)=-1, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={10:0}] [L725] COND TRUE 1 1 [L726] 1 myidx = idx [L727] COND TRUE 1 __VERIFIER_nondet_int() [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, pthread_create(&t3, 0, qrcu_updater, 0)=0, readerprogress1=0, readerprogress2=0, t1={6:0}, t2={7:0}, t3={10:0}] [L762] 3 int i; [L763] 3 int readerstart1, readerstart2; [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 TRUE 3 __VERIFIER_nondet_int() [L766] 3 sum = ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1={5:0}, readerstart2={11:0}] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] EXPR 1 myidx <= 0 && ctr1>0 [L694] EXPR 1 ctr1>0 [L694] EXPR 1 myidx <= 0 && ctr1>0 [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) [L766] 3 sum = ctr1 VAL [arg={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, readerstart1={5:0}, readerstart2={11:0}] Now there is a data race on ~ctr1~0 between C: ctr1++ [695] and C: sum = ctr1 [766] - UnprovableResult [Line: 726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 737]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 757]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 567 locations, 118 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 615.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 608.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1606 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1297 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 327 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3967 IncrementalHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 327 mSolverCounterUnsat, 57 mSDtfsCounter, 3967 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1231occurred in iteration=9, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:22:20,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c6b96d-13d0-416d-bbbe-7a8ac3f0badc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE