./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 08:57:46,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 08:57:46,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 08:57:46,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 08:57:46,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 08:57:46,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 08:57:46,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 08:57:46,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 08:57:46,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 08:57:46,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 08:57:46,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 08:57:46,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 08:57:46,601 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 08:57:46,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 08:57:46,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 08:57:46,601 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 08:57:46,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 08:57:46,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 08:57:46,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 08:57:46,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:57:46,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 08:57:46,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 08:57:46,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 08:57:46,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 08:57:46,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 08:57:46,604 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 [2025-02-06 08:57:46,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 08:57:46,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 08:57:46,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 08:57:46,840 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 08:57:46,840 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 08:57:46,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2025-02-06 08:57:48,071 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d79ace78c/efa50a60de7e463c9ad17ce63fb795ee/FLAG0ad43eb2e [2025-02-06 08:57:48,467 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 08:57:48,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2025-02-06 08:57:48,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d79ace78c/efa50a60de7e463c9ad17ce63fb795ee/FLAG0ad43eb2e [2025-02-06 08:57:48,670 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d79ace78c/efa50a60de7e463c9ad17ce63fb795ee [2025-02-06 08:57:48,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 08:57:48,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 08:57:48,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 08:57:48,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 08:57:48,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 08:57:48,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:57:48" (1/1) ... [2025-02-06 08:57:48,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490e005e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:48, skipping insertion in model container [2025-02-06 08:57:48,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:57:48" (1/1) ... [2025-02-06 08:57:48,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 08:57:48,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:57:49,001 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 08:57:49,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:57:49,082 INFO L204 MainTranslator]: Completed translation [2025-02-06 08:57:49,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49 WrapperNode [2025-02-06 08:57:49,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 08:57:49,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 08:57:49,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 08:57:49,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 08:57:49,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,125 INFO L138 Inliner]: procedures = 178, calls = 42, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 446 [2025-02-06 08:57:49,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 08:57:49,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 08:57:49,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 08:57:49,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 08:57:49,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 08:57:49,171 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 08:57:49,171 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 08:57:49,171 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 08:57:49,171 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (1/1) ... [2025-02-06 08:57:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:57:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:57:49,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 08:57:49,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2025-02-06 08:57:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2025-02-06 08:57:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2025-02-06 08:57:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 08:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 08:57:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 08:57:49,238 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 08:57:49,364 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 08:57:49,366 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 08:57:49,854 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: havoc ~#readerstart2~0#1.base, ~#readerstart2~0#1.offset; [2025-02-06 08:57:49,854 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: SUMMARY for call ULTIMATE.dealloc(~#readerstart2~0#1.base, ~#readerstart2~0#1.offset); srcloc: null [2025-02-06 08:57:49,855 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-2: havoc ~#readerstart1~0#1.base, ~#readerstart1~0#1.offset; [2025-02-06 08:57:49,855 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: SUMMARY for call ULTIMATE.dealloc(~#readerstart1~0#1.base, ~#readerstart1~0#1.offset); srcloc: null [2025-02-06 08:57:49,888 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 08:57:49,888 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 08:57:50,156 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 08:57:50,157 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 08:57:50,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:50 BoogieIcfgContainer [2025-02-06 08:57:50,158 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 08:57:50,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 08:57:50,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 08:57:50,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 08:57:50,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 08:57:48" (1/3) ... [2025-02-06 08:57:50,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4952b2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:57:50, skipping insertion in model container [2025-02-06 08:57:50,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:49" (2/3) ... [2025-02-06 08:57:50,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4952b2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:57:50, skipping insertion in model container [2025-02-06 08:57:50,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:50" (3/3) ... [2025-02-06 08:57:50,165 INFO L128 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2025-02-06 08:57:50,177 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 08:57:50,178 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG qrcu-1.i that has 4 procedures, 295 locations, 1 initial locations, 4 loop locations, and 56 error locations. [2025-02-06 08:57:50,178 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 08:57:50,279 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 08:57:50,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 304 places, 312 transitions, 645 flow [2025-02-06 08:57:50,431 INFO L124 PetriNetUnfolderBase]: 18/309 cut-off events. [2025-02-06 08:57:50,432 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 08:57:50,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 309 events. 18/309 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1007 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 278. Up to 4 conditions per place. [2025-02-06 08:57:50,439 INFO L82 GeneralOperation]: Start removeDead. Operand has 304 places, 312 transitions, 645 flow [2025-02-06 08:57:50,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 304 transitions, 623 flow [2025-02-06 08:57:50,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 08:57:50,457 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@41a5e466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 08:57:50,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 115 error locations. [2025-02-06 08:57:50,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 08:57:50,464 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2025-02-06 08:57:50,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 08:57:50,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:50,465 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:50,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:50,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:50,469 INFO L85 PathProgramCache]: Analyzing trace with hash -909974917, now seen corresponding path program 1 times [2025-02-06 08:57:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:50,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913602614] [2025-02-06 08:57:50,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:50,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 08:57:50,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 08:57:50,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:50,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:50,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:50,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913602614] [2025-02-06 08:57:50,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913602614] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:50,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:50,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063400279] [2025-02-06 08:57:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:50,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:50,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:50,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 312 [2025-02-06 08:57:50,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 304 transitions, 623 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2025-02-06 08:57:50,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:50,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 312 [2025-02-06 08:57:50,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:51,619 INFO L124 PetriNetUnfolderBase]: 1502/6953 cut-off events. [2025-02-06 08:57:51,620 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2025-02-06 08:57:51,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9009 conditions, 6953 events. 1502/6953 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 68917 event pairs, 503 based on Foata normal form. 86/5658 useless extension candidates. Maximal degree in co-relation 7592. Up to 1683 conditions per place. [2025-02-06 08:57:51,667 INFO L140 encePairwiseOnDemand]: 270/312 looper letters, 44 selfloop transitions, 8 changer transitions 0/294 dead transitions. [2025-02-06 08:57:51,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 294 transitions, 719 flow [2025-02-06 08:57:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2025-02-06 08:57:51,683 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9198717948717948 [2025-02-06 08:57:51,685 INFO L175 Difference]: Start difference. First operand has 296 places, 304 transitions, 623 flow. Second operand 3 states and 861 transitions. [2025-02-06 08:57:51,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 294 transitions, 719 flow [2025-02-06 08:57:51,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 294 transitions, 703 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 08:57:51,696 INFO L231 Difference]: Finished difference. Result has 267 places, 278 transitions, 610 flow [2025-02-06 08:57:51,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=267, PETRI_TRANSITIONS=278} [2025-02-06 08:57:51,701 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -29 predicate places. [2025-02-06 08:57:51,701 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 278 transitions, 610 flow [2025-02-06 08:57:51,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2025-02-06 08:57:51,702 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:51,702 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:51,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 08:57:51,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:51,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:51,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1562791094, now seen corresponding path program 1 times [2025-02-06 08:57:51,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991543918] [2025-02-06 08:57:51,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:51,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:51,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 08:57:51,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 08:57:51,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:51,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:51,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:51,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991543918] [2025-02-06 08:57:51,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991543918] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:51,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:51,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628941607] [2025-02-06 08:57:51,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:51,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:51,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:51,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:51,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:51,792 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2025-02-06 08:57:51,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 278 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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) [2025-02-06 08:57:51,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:51,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2025-02-06 08:57:51,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:52,541 INFO L124 PetriNetUnfolderBase]: 1473/6839 cut-off events. [2025-02-06 08:57:52,548 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2025-02-06 08:57:52,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9156 conditions, 6839 events. 1473/6839 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 69781 event pairs, 474 based on Foata normal form. 0/5496 useless extension candidates. Maximal degree in co-relation 4279. Up to 1448 conditions per place. [2025-02-06 08:57:52,605 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 33 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2025-02-06 08:57:52,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 291 transitions, 713 flow [2025-02-06 08:57:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2025-02-06 08:57:52,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8643162393162394 [2025-02-06 08:57:52,608 INFO L175 Difference]: Start difference. First operand has 267 places, 278 transitions, 610 flow. Second operand 3 states and 809 transitions. [2025-02-06 08:57:52,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 291 transitions, 713 flow [2025-02-06 08:57:52,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 291 transitions, 697 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:52,613 INFO L231 Difference]: Finished difference. Result has 269 places, 281 transitions, 624 flow [2025-02-06 08:57:52,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=269, PETRI_TRANSITIONS=281} [2025-02-06 08:57:52,614 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -27 predicate places. [2025-02-06 08:57:52,614 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 281 transitions, 624 flow [2025-02-06 08:57:52,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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) [2025-02-06 08:57:52,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:52,617 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:52,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 08:57:52,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:52,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1913313058, now seen corresponding path program 1 times [2025-02-06 08:57:52,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:52,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610242415] [2025-02-06 08:57:52,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:52,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:52,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 08:57:52,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 08:57:52,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:52,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:52,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610242415] [2025-02-06 08:57:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610242415] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:52,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:52,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:52,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164036345] [2025-02-06 08:57:52,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:52,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:52,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:52,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:52,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:52,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2025-02-06 08:57:52,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 281 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-02-06 08:57:52,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:52,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2025-02-06 08:57:52,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:53,571 INFO L124 PetriNetUnfolderBase]: 1703/8702 cut-off events. [2025-02-06 08:57:53,571 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES. [2025-02-06 08:57:53,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11444 conditions, 8702 events. 1703/8702 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 95154 event pairs, 533 based on Foata normal form. 0/7001 useless extension candidates. Maximal degree in co-relation 3908. Up to 1615 conditions per place. [2025-02-06 08:57:53,647 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 34 selfloop transitions, 4 changer transitions 0/294 dead transitions. [2025-02-06 08:57:53,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 294 transitions, 731 flow [2025-02-06 08:57:53,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2025-02-06 08:57:53,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8643162393162394 [2025-02-06 08:57:53,649 INFO L175 Difference]: Start difference. First operand has 269 places, 281 transitions, 624 flow. Second operand 3 states and 809 transitions. [2025-02-06 08:57:53,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 294 transitions, 731 flow [2025-02-06 08:57:53,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 294 transitions, 723 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:53,655 INFO L231 Difference]: Finished difference. Result has 271 places, 284 transitions, 648 flow [2025-02-06 08:57:53,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=271, PETRI_TRANSITIONS=284} [2025-02-06 08:57:53,656 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -25 predicate places. [2025-02-06 08:57:53,656 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 284 transitions, 648 flow [2025-02-06 08:57:53,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-02-06 08:57:53,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:53,657 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:53,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 08:57:53,657 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -96403241, now seen corresponding path program 1 times [2025-02-06 08:57:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:53,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627806388] [2025-02-06 08:57:53,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:53,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 08:57:53,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 08:57:53,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:53,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:53,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:53,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627806388] [2025-02-06 08:57:53,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627806388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:53,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:53,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018115200] [2025-02-06 08:57:53,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:53,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:53,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:53,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:53,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2025-02-06 08:57:53,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 284 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-02-06 08:57:53,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:53,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2025-02-06 08:57:53,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:54,731 INFO L124 PetriNetUnfolderBase]: 2187/12801 cut-off events. [2025-02-06 08:57:54,731 INFO L125 PetriNetUnfolderBase]: For 480/498 co-relation queries the response was YES. [2025-02-06 08:57:54,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16638 conditions, 12801 events. 2187/12801 cut-off events. For 480/498 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 155575 event pairs, 718 based on Foata normal form. 0/10294 useless extension candidates. Maximal degree in co-relation 10224. Up to 2195 conditions per place. [2025-02-06 08:57:54,792 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 35 selfloop transitions, 6 changer transitions 0/299 dead transitions. [2025-02-06 08:57:54,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 299 transitions, 775 flow [2025-02-06 08:57:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2025-02-06 08:57:54,795 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8643162393162394 [2025-02-06 08:57:54,795 INFO L175 Difference]: Start difference. First operand has 271 places, 284 transitions, 648 flow. Second operand 3 states and 809 transitions. [2025-02-06 08:57:54,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 299 transitions, 775 flow [2025-02-06 08:57:54,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 299 transitions, 761 flow, removed 2 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:54,800 INFO L231 Difference]: Finished difference. Result has 273 places, 289 transitions, 692 flow [2025-02-06 08:57:54,800 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=273, PETRI_TRANSITIONS=289} [2025-02-06 08:57:54,801 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -23 predicate places. [2025-02-06 08:57:54,801 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 289 transitions, 692 flow [2025-02-06 08:57:54,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-02-06 08:57:54,802 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:54,802 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:54,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 08:57:54,802 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:54,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2042210470, now seen corresponding path program 1 times [2025-02-06 08:57:54,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:54,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82972657] [2025-02-06 08:57:54,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:54,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:54,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 08:57:54,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 08:57:54,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:54,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:54,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:54,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82972657] [2025-02-06 08:57:54,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82972657] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:54,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:54,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117898111] [2025-02-06 08:57:54,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:54,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:54,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:54,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:54,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 312 [2025-02-06 08:57:54,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 289 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2025-02-06 08:57:54,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:54,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 312 [2025-02-06 08:57:54,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:57,341 INFO L124 PetriNetUnfolderBase]: 4983/22425 cut-off events. [2025-02-06 08:57:57,341 INFO L125 PetriNetUnfolderBase]: For 1130/1137 co-relation queries the response was YES. [2025-02-06 08:57:57,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32742 conditions, 22425 events. 4983/22425 cut-off events. For 1130/1137 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 295058 event pairs, 653 based on Foata normal form. 0/18348 useless extension candidates. Maximal degree in co-relation 14608. Up to 4317 conditions per place. [2025-02-06 08:57:57,506 INFO L140 encePairwiseOnDemand]: 285/312 looper letters, 54 selfloop transitions, 20 changer transitions 0/317 dead transitions. [2025-02-06 08:57:57,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 317 transitions, 898 flow [2025-02-06 08:57:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 796 transitions. [2025-02-06 08:57:57,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8504273504273504 [2025-02-06 08:57:57,509 INFO L175 Difference]: Start difference. First operand has 273 places, 289 transitions, 692 flow. Second operand 3 states and 796 transitions. [2025-02-06 08:57:57,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 317 transitions, 898 flow [2025-02-06 08:57:57,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 317 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:57,519 INFO L231 Difference]: Finished difference. Result has 275 places, 307 transitions, 846 flow [2025-02-06 08:57:57,519 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=275, PETRI_TRANSITIONS=307} [2025-02-06 08:57:57,520 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -21 predicate places. [2025-02-06 08:57:57,520 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 307 transitions, 846 flow [2025-02-06 08:57:57,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2025-02-06 08:57:57,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:57,521 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:57,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 08:57:57,521 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:57:57,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2042241255, now seen corresponding path program 1 times [2025-02-06 08:57:57,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:57,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988941116] [2025-02-06 08:57:57,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:57,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:57,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 08:57:57,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 08:57:57,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:57,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:57:57,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:57,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988941116] [2025-02-06 08:57:57,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988941116] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:57,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:57,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:57,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243608310] [2025-02-06 08:57:57,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:57,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:57,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:57,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:57,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:57,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 312 [2025-02-06 08:57:57,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 307 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2025-02-06 08:57:57,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:57,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 312 [2025-02-06 08:57:57,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:59,949 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1245] L739-3-->L740: Formula: (and (<= |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11| 0) (= v_~ctr1~0_143 (+ v_~ctr1~0_142 1))) InVars {~ctr1~0=v_~ctr1~0_143, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_11|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|, #race~ctr1~0=|v_#race~ctr1~0_226|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_11|, ~ctr1~0=v_~ctr1~0_142, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_11|} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, #race~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, ~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 114#L772-21true, 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 332#true, Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true]) [2025-02-06 08:57:59,950 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2025-02-06 08:57:59,950 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:57:59,950 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:57:59,950 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:00,012 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][211], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 227#L772-20true, 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true]) [2025-02-06 08:58:00,012 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][211], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 114#L772-21true, 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true]) [2025-02-06 08:58:00,013 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:00,013 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:00,014 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1245] L739-3-->L740: Formula: (and (<= |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11| 0) (= v_~ctr1~0_143 (+ v_~ctr1~0_142 1))) InVars {~ctr1~0=v_~ctr1~0_143, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_11|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|, #race~ctr1~0=|v_#race~ctr1~0_226|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_11|, ~ctr1~0=v_~ctr1~0_142, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_11|} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, #race~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, ~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 227#L772-20true, 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 332#true, Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true, 327#true]) [2025-02-06 08:58:00,014 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,014 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,014 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:00,014 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:00,089 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][211], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true, 126#L767-4true, 150#L788true]) [2025-02-06 08:58:00,089 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,089 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,090 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,090 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2025-02-06 08:58:00,156 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][211], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 227#L772-20true, 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true, 150#L788true]) [2025-02-06 08:58:00,156 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,157 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-02-06 08:58:00,157 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,157 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,216 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][211], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 114#L772-21true, 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true, 150#L788true]) [2025-02-06 08:58:00,216 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2025-02-06 08:58:00,217 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2025-02-06 08:58:00,218 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2025-02-06 08:58:00,218 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2025-02-06 08:58:00,278 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][137], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 93#L772-15true, 280#L740true, 327#true]) [2025-02-06 08:58:00,278 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,278 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,278 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:00,278 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2025-02-06 08:58:00,330 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1245] L739-3-->L740: Formula: (and (<= |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11| 0) (= v_~ctr1~0_143 (+ v_~ctr1~0_142 1))) InVars {~ctr1~0=v_~ctr1~0_143, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_11|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_11|, #race~ctr1~0=|v_#race~ctr1~0_226|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_11|, ~ctr1~0=v_~ctr1~0_142, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_11|} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, #race~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, ~ctr1~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1][104], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), 280#L740true, 93#L772-15true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 327#true]) [2025-02-06 08:58:00,330 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is not cut-off event [2025-02-06 08:58:00,330 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2025-02-06 08:58:00,330 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is not cut-off event [2025-02-06 08:58:00,330 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is not cut-off event [2025-02-06 08:58:00,431 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][137], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, 332#true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), Black: 307#true, 301#true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 93#L772-15true, 327#true, 150#L788true]) [2025-02-06 08:58:00,431 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2025-02-06 08:58:00,431 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2025-02-06 08:58:00,431 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-02-06 08:58:00,431 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2025-02-06 08:58:01,172 INFO L124 PetriNetUnfolderBase]: 8411/35525 cut-off events. [2025-02-06 08:58:01,173 INFO L125 PetriNetUnfolderBase]: For 9112/9968 co-relation queries the response was YES. [2025-02-06 08:58:01,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60216 conditions, 35525 events. 8411/35525 cut-off events. For 9112/9968 co-relation queries the response was YES. Maximal size of possible extension queue 1236. Compared 501209 event pairs, 1095 based on Foata normal form. 41/31336 useless extension candidates. Maximal degree in co-relation 21750. Up to 7240 conditions per place. [2025-02-06 08:58:01,572 INFO L140 encePairwiseOnDemand]: 285/312 looper letters, 62 selfloop transitions, 20 changer transitions 0/339 dead transitions. [2025-02-06 08:58:01,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 339 transitions, 1100 flow [2025-02-06 08:58:01,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:58:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:58:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 796 transitions. [2025-02-06 08:58:01,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8504273504273504 [2025-02-06 08:58:01,574 INFO L175 Difference]: Start difference. First operand has 275 places, 307 transitions, 846 flow. Second operand 3 states and 796 transitions. [2025-02-06 08:58:01,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 339 transitions, 1100 flow [2025-02-06 08:58:01,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 339 transitions, 1052 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:58:01,600 INFO L231 Difference]: Finished difference. Result has 277 places, 325 transitions, 972 flow [2025-02-06 08:58:01,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=972, PETRI_PLACES=277, PETRI_TRANSITIONS=325} [2025-02-06 08:58:01,602 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -19 predicate places. [2025-02-06 08:58:01,602 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 325 transitions, 972 flow [2025-02-06 08:58:01,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2025-02-06 08:58:01,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:58:01,603 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:58:01,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 08:58:01,604 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:58:01,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:58:01,604 INFO L85 PathProgramCache]: Analyzing trace with hash -76325340, now seen corresponding path program 1 times [2025-02-06 08:58:01,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:58:01,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781514970] [2025-02-06 08:58:01,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:58:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:58:01,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 08:58:01,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 08:58:01,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:58:01,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:58:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:58:01,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:58:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781514970] [2025-02-06 08:58:01,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781514970] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:58:01,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:58:01,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:58:01,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200124558] [2025-02-06 08:58:01,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:58:01,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:58:01,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:58:01,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:58:01,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:58:01,663 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2025-02-06 08:58:01,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 325 transitions, 972 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2025-02-06 08:58:01,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:58:01,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2025-02-06 08:58:01,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:58:02,838 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 243#L766-10true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 307#true, 301#true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true]) [2025-02-06 08:58:02,839 INFO L294 olderBase$Statistics]: this new event has 94 ancestors and is cut-off event [2025-02-06 08:58:02,839 INFO L297 olderBase$Statistics]: existing Event has 94 ancestors and is cut-off event [2025-02-06 08:58:02,839 INFO L297 olderBase$Statistics]: existing Event has 94 ancestors and is cut-off event [2025-02-06 08:58:02,839 INFO L297 olderBase$Statistics]: existing Event has 94 ancestors and is cut-off event [2025-02-06 08:58:04,056 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 307#true, 301#true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 129#L771-20true, 280#L740true]) [2025-02-06 08:58:04,056 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2025-02-06 08:58:04,056 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:04,056 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:04,056 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2025-02-06 08:58:04,182 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), 273#L771-21true, Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 307#true, 301#true, 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|)]) [2025-02-06 08:58:04,183 INFO L294 olderBase$Statistics]: this new event has 107 ancestors and is cut-off event [2025-02-06 08:58:04,183 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:04,183 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:04,183 INFO L297 olderBase$Statistics]: existing Event has 107 ancestors and is cut-off event [2025-02-06 08:58:04,718 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][105], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 307#true, 301#true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true, 222#L771-15true]) [2025-02-06 08:58:04,718 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2025-02-06 08:58:04,718 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:04,718 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:04,718 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2025-02-06 08:58:05,414 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 233#L772-6true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, Black: 309#(= |#race~idx~0| 0), 332#true, 301#true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true, 196#L758-3true]) [2025-02-06 08:58:05,414 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2025-02-06 08:58:05,414 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2025-02-06 08:58:05,414 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2025-02-06 08:58:05,414 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2025-02-06 08:58:05,489 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 233#L772-6true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 309#(= |#race~idx~0| 0), 301#true, 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|)]) [2025-02-06 08:58:05,490 INFO L294 olderBase$Statistics]: this new event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,490 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,490 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,490 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,492 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 122#L772-7true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 309#(= |#race~idx~0| 0), 301#true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true, 196#L758-3true]) [2025-02-06 08:58:05,492 INFO L294 olderBase$Statistics]: this new event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,492 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2025-02-06 08:58:05,493 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2025-02-06 08:58:05,493 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2025-02-06 08:58:05,556 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 122#L772-7true, 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 309#(= |#race~idx~0| 0), 301#true, 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|)]) [2025-02-06 08:58:05,556 INFO L294 olderBase$Statistics]: this new event has 121 ancestors and is cut-off event [2025-02-06 08:58:05,556 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2025-02-06 08:58:05,557 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2025-02-06 08:58:05,557 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2025-02-06 08:58:05,778 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1292] L758-3-->L759: Formula: (and (<= |v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11| 0) (= (+ v_~ctr1~0_146 1) v_~ctr1~0_147)) InVars {~ctr1~0=v_~ctr1~0_147, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|} OutVars{qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1_11|, #race~ctr1~0=|v_#race~ctr1~0_228|, qrcu_reader2Thread1of1ForFork2_~myidx~1#1=|v_qrcu_reader2Thread1of1ForFork2_~myidx~1#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1_11|, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1_11|, ~ctr1~0=v_~ctr1~0_146} AuxVars[] AssignedVars[qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#in~myidx#1, #race~ctr1~0, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet10#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_#t~post11#1, qrcu_reader2Thread1of1ForFork2___VERIFIER_atomic_use_done_~myidx#1, ~ctr1~0][222], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 337#true, 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 332#true, Black: 309#(= |#race~idx~0| 0), 301#true, Black: 329#(= |#race~ctr1~0| 0), Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 215#L771-7true, Black: 334#(= |#race~ctr2~0| 0), 150#L788true]) [2025-02-06 08:58:05,779 INFO L294 olderBase$Statistics]: this new event has 126 ancestors and is cut-off event [2025-02-06 08:58:05,779 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2025-02-06 08:58:05,779 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2025-02-06 08:58:05,779 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2025-02-06 08:58:05,783 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][105], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 309#(= |#race~idx~0| 0), 301#true, 76#L772-1true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 280#L740true]) [2025-02-06 08:58:05,784 INFO L294 olderBase$Statistics]: this new event has 125 ancestors and is cut-off event [2025-02-06 08:58:05,784 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-02-06 08:58:05,784 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-02-06 08:58:05,784 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-02-06 08:58:06,064 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 185#L774-2true, 332#true, Black: 307#true, 301#true, 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|)]) [2025-02-06 08:58:06,065 INFO L294 olderBase$Statistics]: this new event has 132 ancestors and is cut-off event [2025-02-06 08:58:06,065 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2025-02-06 08:58:06,065 INFO L297 olderBase$Statistics]: existing Event has 132 ancestors and is cut-off event [2025-02-06 08:58:06,065 INFO L297 olderBase$Statistics]: existing Event has 132 ancestors and is cut-off event [2025-02-06 08:58:06,102 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1244] L739-3-->L740: Formula: (and (= (+ v_~ctr2~0_154 1) v_~ctr2~0_155) (< 0 |v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|)) InVars {qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, ~ctr2~0=v_~ctr2~0_155} OutVars{qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1_9|, qrcu_reader1Thread1of1ForFork0_~myidx~0#1=|v_qrcu_reader1Thread1of1ForFork0_~myidx~0#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1_9|, #race~ctr2~0=|v_#race~ctr2~0_236|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1_9|, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1=|v_qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1_9|, ~ctr2~0=v_~ctr2~0_154} AuxVars[] AssignedVars[qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet12#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~nondet10#1, #race~ctr2~0, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post9#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#in~myidx#1, qrcu_reader1Thread1of1ForFork0___VERIFIER_atomic_use_done_#t~post11#1, ~ctr2~0][209], [Black: 319#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet22#1|), 162#L759true, Black: 324#(= |#race~readerprogress2~0| |qrcu_reader2Thread1of1ForFork2_#t~nondet25#1|), 276#L786-1true, Black: 329#(= |#race~ctr1~0| 0), Black: 334#(= |#race~ctr2~0| 0), 337#true, 332#true, Black: 307#true, 301#true, 280#L740true, Black: 314#(= |#race~readerprogress1~0| |qrcu_reader1Thread1of1ForFork0_#t~nondet21#1|), 142#L774-1true]) [2025-02-06 08:58:06,103 INFO L294 olderBase$Statistics]: this new event has 133 ancestors and is cut-off event [2025-02-06 08:58:06,103 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2025-02-06 08:58:06,103 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2025-02-06 08:58:06,103 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2025-02-06 08:58:06,348 INFO L124 PetriNetUnfolderBase]: 12856/48987 cut-off events. [2025-02-06 08:58:06,348 INFO L125 PetriNetUnfolderBase]: For 13900/15808 co-relation queries the response was YES. [2025-02-06 08:58:06,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91215 conditions, 48987 events. 12856/48987 cut-off events. For 13900/15808 co-relation queries the response was YES. Maximal size of possible extension queue 1821. Compared 704721 event pairs, 2974 based on Foata normal form. 247/43328 useless extension candidates. Maximal degree in co-relation 34420. Up to 14724 conditions per place. [2025-02-06 08:58:06,912 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 50 selfloop transitions, 6 changer transitions 0/344 dead transitions. [2025-02-06 08:58:06,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 344 transitions, 1159 flow [2025-02-06 08:58:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:58:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:58:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2025-02-06 08:58:06,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8643162393162394 [2025-02-06 08:58:06,914 INFO L175 Difference]: Start difference. First operand has 277 places, 325 transitions, 972 flow. Second operand 3 states and 809 transitions. [2025-02-06 08:58:06,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 344 transitions, 1159 flow [2025-02-06 08:58:06,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 344 transitions, 1115 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:58:07,002 INFO L231 Difference]: Finished difference. Result has 279 places, 330 transitions, 992 flow [2025-02-06 08:58:07,002 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=992, PETRI_PLACES=279, PETRI_TRANSITIONS=330} [2025-02-06 08:58:07,003 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -17 predicate places. [2025-02-06 08:58:07,003 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 330 transitions, 992 flow [2025-02-06 08:58:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2025-02-06 08:58:07,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:58:07,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:58:07,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 08:58:07,004 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2025-02-06 08:58:07,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:58:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash -341317599, now seen corresponding path program 1 times [2025-02-06 08:58:07,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:58:07,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206508517] [2025-02-06 08:58:07,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:58:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:58:07,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 08:58:07,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 08:58:07,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:58:07,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 08:58:07,042 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 08:58:07,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 08:58:07,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 08:58:07,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:58:07,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 08:58:07,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 08:58:07,094 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 08:58:07,095 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (114 of 115 remaining) [2025-02-06 08:58:07,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (113 of 115 remaining) [2025-02-06 08:58:07,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (112 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (111 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (110 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (109 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (108 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (107 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (106 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (105 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (104 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (103 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (102 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (101 of 115 remaining) [2025-02-06 08:58:07,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (100 of 115 remaining) [2025-02-06 08:58:07,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (99 of 115 remaining) [2025-02-06 08:58:07,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (98 of 115 remaining) [2025-02-06 08:58:07,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (97 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (96 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (95 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (94 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (93 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (92 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (91 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (90 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (89 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (88 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (87 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (86 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (85 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (84 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (83 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (82 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (81 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (80 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (79 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (78 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (77 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (76 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (75 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (74 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (73 of 115 remaining) [2025-02-06 08:58:07,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (72 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (71 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (70 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (69 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (68 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (67 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (66 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (65 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (64 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (63 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (62 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (61 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (60 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (59 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (58 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (54 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (53 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (52 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (51 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (50 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (49 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (48 of 115 remaining) [2025-02-06 08:58:07,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (47 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (46 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (45 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (44 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (43 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (42 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (41 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (40 of 115 remaining) [2025-02-06 08:58:07,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (39 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (38 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (37 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (36 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (35 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (34 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (33 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (32 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (31 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (30 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (29 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (28 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (27 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (26 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (25 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (24 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (23 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (22 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (21 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (20 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (19 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (18 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (17 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (16 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (15 of 115 remaining) [2025-02-06 08:58:07,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (14 of 115 remaining) [2025-02-06 08:58:07,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (13 of 115 remaining) [2025-02-06 08:58:07,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (12 of 115 remaining) [2025-02-06 08:58:07,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (11 of 115 remaining) [2025-02-06 08:58:07,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (10 of 115 remaining) [2025-02-06 08:58:07,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (9 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (8 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (7 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (6 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (5 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (4 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (3 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (2 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (1 of 115 remaining) [2025-02-06 08:58:07,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (0 of 115 remaining) [2025-02-06 08:58:07,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 08:58:07,105 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:58:07,169 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 08:58:07,169 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 08:58:07,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 08:58:07 BasicIcfg [2025-02-06 08:58:07,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 08:58:07,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 08:58:07,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 08:58:07,176 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 08:58:07,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:50" (3/4) ... [2025-02-06 08:58:07,177 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-06 08:58:07,254 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 10. [2025-02-06 08:58:07,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 08:58:07,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 08:58:07,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 08:58:07,303 INFO L158 Benchmark]: Toolchain (without parser) took 18629.42ms. Allocated memory was 142.6MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 108.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2025-02-06 08:58:07,303 INFO L158 Benchmark]: CDTParser took 2.24ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 08:58:07,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.05ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 85.6MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 08:58:07,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.53ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 82.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 08:58:07,305 INFO L158 Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 08:58:07,305 INFO L158 Benchmark]: IcfgBuilder took 987.41ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 69.3MB in the end (delta: 11.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2025-02-06 08:58:07,305 INFO L158 Benchmark]: TraceAbstraction took 17016.09ms. Allocated memory was 142.6MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 68.6MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2025-02-06 08:58:07,306 INFO L158 Benchmark]: Witness Printer took 125.73ms. Allocated memory is still 4.1GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 08:58:07,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.24ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.05ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 85.6MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.53ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 82.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.18ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 987.41ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 69.3MB in the end (delta: 11.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17016.09ms. Allocated memory was 142.6MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 68.6MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Witness Printer took 125.73ms. Allocated memory is still 4.1GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 737]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int idx=0; VAL [idx=0] [L690] 0 int ctr1=1, ctr2=0; VAL [ctr1=1, ctr2=0, idx=0] [L691] 0 int readerprogress1=0, readerprogress2=0; VAL [ctr1=1, ctr2=0, idx=0, readerprogress1=0, readerprogress2=0] [L692] 0 pthread_mutex_t mutex; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L782] 0 pthread_t t1, t2, t3; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, t1=-2] [L724] 1 int myidx; VAL [\old(arg)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L725] COND TRUE 1 1 [L726] 1 myidx = idx VAL [\old(arg)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [\old(arg)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=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) [L737] 1 readerprogress1 = 1 VAL [\old(arg)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=1, readerprogress2=0] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0, t1=-2, t2=-1] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0, t1=-2, t2=-1, t3=0] [L762] 3 int i; VAL [\old(arg)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0] [L763] 3 int readerstart1, readerstart2; VAL [\old(arg)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0, readerstart1={6:0}, readerstart2={5:0}] [L764] 3 int sum; VAL [\old(arg)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=1, readerprogress2=0, readerstart1={6:0}, readerstart2={5:0}] [L765] CALL 3 __VERIFIER_atomic_take_snapshot(&readerstart1, &readerstart2) [L706] 3 *readerstart1 = readerprogress1 [L707] 3 *readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(&readerstart1, &readerstart2) [L737] 1 readerprogress1 = 1 VAL [\old(arg)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=1, readerprogress2=0] Now there is a data race on ~readerprogress1~0 between C: *readerstart1 = readerprogress1 [706] and C: readerprogress1 = 1 [737] - 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: 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: 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: 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: 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: 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: 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: 766]: 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: 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: 777]: 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: 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: 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: 786]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 543 locations, 115 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: 16.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 45 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=992occurred in iteration=7, InterpolantAutomatonStates: 21, 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, 0.5s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-06 08:58:07,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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(DATA-RACE)