./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 04:12:56,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:12:56,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:12:56,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:12:56,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:12:57,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:12:57,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:12:57,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:12:57,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:12:57,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:12:57,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:12:57,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:12:57,036 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:12:57,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:12:57,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:12:57,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:12:57,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:12:57,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:12:57,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:12:57,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:12:57,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:12:57,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:12:57,041 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:12:57,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:12:57,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:12:57,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:12:57,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:12:57,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:12:57,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:12:57,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:12:57,042 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:12:57,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:12:57,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:12:57,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:12:57,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:12:57,457 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:12:57,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2024-11-28 04:13:01,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/data/b2d1b457f/5bc773e08ffc4524baa421278a334ca1/FLAGa3bdf0fe2 [2024-11-28 04:13:01,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:13:01,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2024-11-28 04:13:01,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/data/b2d1b457f/5bc773e08ffc4524baa421278a334ca1/FLAGa3bdf0fe2 [2024-11-28 04:13:01,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/data/b2d1b457f/5bc773e08ffc4524baa421278a334ca1 [2024-11-28 04:13:01,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:13:01,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:13:01,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:13:01,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:13:01,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:13:01,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:13:01" (1/1) ... [2024-11-28 04:13:01,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152f2d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:01, skipping insertion in model container [2024-11-28 04:13:01,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:13:01" (1/1) ... [2024-11-28 04:13:01,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:13:02,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:13:02,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:13:02,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:13:02,609 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:13:02,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02 WrapperNode [2024-11-28 04:13:02,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:13:02,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:13:02,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:13:02,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:13:02,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,720 INFO L138 Inliner]: procedures = 178, calls = 42, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 450 [2024-11-28 04:13:02,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:13:02,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:13:02,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:13:02,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:13:02,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:13:02,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:13:02,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:13:02,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:13:02,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (1/1) ... [2024-11-28 04:13:02,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:13:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:13:02,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:13:02,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:13:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2024-11-28 04:13:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2024-11-28 04:13:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2024-11-28 04:13:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2024-11-28 04:13:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:13:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:13:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2024-11-28 04:13:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:13:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:13:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:13:02,868 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:13:03,058 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:13:03,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:13:03,979 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:13:03,980 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:13:04,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:13:04,538 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 04:13:04,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:13:04 BoogieIcfgContainer [2024-11-28 04:13:04,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:13:04,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:13:04,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:13:04,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:13:04,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:13:01" (1/3) ... [2024-11-28 04:13:04,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:13:04, skipping insertion in model container [2024-11-28 04:13:04,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:13:02" (2/3) ... [2024-11-28 04:13:04,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:13:04, skipping insertion in model container [2024-11-28 04:13:04,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:13:04" (3/3) ... [2024-11-28 04:13:04,553 INFO L128 eAbstractionObserver]: Analyzing ICFG qrcu-1.i [2024-11-28 04:13:04,624 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:13:04,626 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. [2024-11-28 04:13:04,626 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:13:04,847 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 04:13:04,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 304 places, 312 transitions, 645 flow [2024-11-28 04:13:05,093 INFO L124 PetriNetUnfolderBase]: 18/309 cut-off events. [2024-11-28 04:13:05,096 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:13:05,118 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 1008 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. [2024-11-28 04:13:05,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 304 places, 312 transitions, 645 flow [2024-11-28 04:13:05,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 304 transitions, 623 flow [2024-11-28 04:13:05,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:13:05,158 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;@3e3f61bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:13:05,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 115 error locations. [2024-11-28 04:13:05,181 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:13:05,182 INFO L124 PetriNetUnfolderBase]: 1/37 cut-off events. [2024-11-28 04:13:05,182 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:13:05,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:05,184 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] [2024-11-28 04:13:05,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:05,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:05,194 INFO L85 PathProgramCache]: Analyzing trace with hash -297210488, now seen corresponding path program 1 times [2024-11-28 04:13:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:05,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264114299] [2024-11-28 04:13:05,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:05,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:05,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264114299] [2024-11-28 04:13:05,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264114299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:05,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:05,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:05,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000497391] [2024-11-28 04:13:05,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:05,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:05,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:05,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:05,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:05,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 312 [2024-11-28 04:13:05,721 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) [2024-11-28 04:13:05,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:05,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 312 [2024-11-28 04:13:05,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:07,671 INFO L124 PetriNetUnfolderBase]: 1319/6770 cut-off events. [2024-11-28 04:13:07,671 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2024-11-28 04:13:07,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8643 conditions, 6770 events. 1319/6770 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 68705 event pairs, 503 based on Foata normal form. 86/5658 useless extension candidates. Maximal degree in co-relation 7254. Up to 1526 conditions per place. [2024-11-28 04:13:07,761 INFO L140 encePairwiseOnDemand]: 268/312 looper letters, 40 selfloop transitions, 8 changer transitions 0/290 dead transitions. [2024-11-28 04:13:07,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 290 transitions, 703 flow [2024-11-28 04:13:07,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-28 04:13:07,783 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9198717948717948 [2024-11-28 04:13:07,785 INFO L175 Difference]: Start difference. First operand has 296 places, 304 transitions, 623 flow. Second operand 3 states and 861 transitions. [2024-11-28 04:13:07,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 290 transitions, 703 flow [2024-11-28 04:13:07,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 290 transitions, 687 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:13:07,806 INFO L231 Difference]: Finished difference. Result has 267 places, 276 transitions, 606 flow [2024-11-28 04:13:07,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=267, PETRI_TRANSITIONS=276} [2024-11-28 04:13:07,814 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -29 predicate places. [2024-11-28 04:13:07,814 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 276 transitions, 606 flow [2024-11-28 04:13:07,815 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) [2024-11-28 04:13:07,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:07,815 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] [2024-11-28 04:13:07,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:13:07,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:07,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:07,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1567343400, now seen corresponding path program 1 times [2024-11-28 04:13:07,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634193319] [2024-11-28 04:13:07,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:07,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:08,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:08,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634193319] [2024-11-28 04:13:08,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634193319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:08,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:08,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:08,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333797734] [2024-11-28 04:13:08,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:08,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:08,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:08,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:08,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:08,035 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2024-11-28 04:13:08,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 276 transitions, 606 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) [2024-11-28 04:13:08,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:08,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2024-11-28 04:13:08,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:09,805 INFO L124 PetriNetUnfolderBase]: 1210/6268 cut-off events. [2024-11-28 04:13:09,806 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-28 04:13:09,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8280 conditions, 6268 events. 1210/6268 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 65349 event pairs, 463 based on Foata normal form. 0/5153 useless extension candidates. Maximal degree in co-relation 4055. Up to 1179 conditions per place. [2024-11-28 04:13:10,002 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 30 selfloop transitions, 4 changer transitions 0/288 dead transitions. [2024-11-28 04:13:10,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 288 transitions, 701 flow [2024-11-28 04:13:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-28 04:13:10,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2024-11-28 04:13:10,009 INFO L175 Difference]: Start difference. First operand has 267 places, 276 transitions, 606 flow. Second operand 3 states and 806 transitions. [2024-11-28 04:13:10,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 288 transitions, 701 flow [2024-11-28 04:13:10,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 288 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:10,018 INFO L231 Difference]: Finished difference. Result has 269 places, 279 transitions, 620 flow [2024-11-28 04:13:10,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=269, PETRI_TRANSITIONS=279} [2024-11-28 04:13:10,020 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -27 predicate places. [2024-11-28 04:13:10,020 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 279 transitions, 620 flow [2024-11-28 04:13:10,021 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) [2024-11-28 04:13:10,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:10,022 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] [2024-11-28 04:13:10,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:13:10,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:10,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash -43073613, now seen corresponding path program 1 times [2024-11-28 04:13:10,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:10,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096280414] [2024-11-28 04:13:10,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:10,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:10,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096280414] [2024-11-28 04:13:10,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096280414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:10,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:10,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:10,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597587038] [2024-11-28 04:13:10,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:10,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:10,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:10,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:10,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:10,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2024-11-28 04:13:10,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 279 transitions, 620 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) [2024-11-28 04:13:10,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:10,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2024-11-28 04:13:10,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:12,008 INFO L124 PetriNetUnfolderBase]: 1474/8473 cut-off events. [2024-11-28 04:13:12,009 INFO L125 PetriNetUnfolderBase]: For 264/264 co-relation queries the response was YES. [2024-11-28 04:13:12,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10986 conditions, 8473 events. 1474/8473 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 94879 event pairs, 533 based on Foata normal form. 0/7001 useless extension candidates. Maximal degree in co-relation 3808. Up to 1408 conditions per place. [2024-11-28 04:13:12,094 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 31 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-11-28 04:13:12,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 291 transitions, 719 flow [2024-11-28 04:13:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-28 04:13:12,100 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2024-11-28 04:13:12,100 INFO L175 Difference]: Start difference. First operand has 269 places, 279 transitions, 620 flow. Second operand 3 states and 806 transitions. [2024-11-28 04:13:12,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 291 transitions, 719 flow [2024-11-28 04:13:12,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 291 transitions, 711 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:12,114 INFO L231 Difference]: Finished difference. Result has 271 places, 282 transitions, 644 flow [2024-11-28 04:13:12,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=271, PETRI_TRANSITIONS=282} [2024-11-28 04:13:12,117 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -25 predicate places. [2024-11-28 04:13:12,117 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 282 transitions, 644 flow [2024-11-28 04:13:12,118 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) [2024-11-28 04:13:12,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:12,118 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] [2024-11-28 04:13:12,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:13:12,119 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:12,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:12,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1817685671, now seen corresponding path program 1 times [2024-11-28 04:13:12,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:12,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633536653] [2024-11-28 04:13:12,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:12,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:12,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:12,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633536653] [2024-11-28 04:13:12,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633536653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:12,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:12,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:12,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986841362] [2024-11-28 04:13:12,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:12,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:12,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:12,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:12,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:12,301 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2024-11-28 04:13:12,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 282 transitions, 644 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) [2024-11-28 04:13:12,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:12,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2024-11-28 04:13:12,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:14,882 INFO L124 PetriNetUnfolderBase]: 1923/12537 cut-off events. [2024-11-28 04:13:14,882 INFO L125 PetriNetUnfolderBase]: For 484/502 co-relation queries the response was YES. [2024-11-28 04:13:14,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16110 conditions, 12537 events. 1923/12537 cut-off events. For 484/502 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 155308 event pairs, 718 based on Foata normal form. 0/10298 useless extension candidates. Maximal degree in co-relation 10078. Up to 1953 conditions per place. [2024-11-28 04:13:15,011 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 32 selfloop transitions, 6 changer transitions 0/296 dead transitions. [2024-11-28 04:13:15,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 296 transitions, 763 flow [2024-11-28 04:13:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-28 04:13:15,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2024-11-28 04:13:15,020 INFO L175 Difference]: Start difference. First operand has 271 places, 282 transitions, 644 flow. Second operand 3 states and 806 transitions. [2024-11-28 04:13:15,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 296 transitions, 763 flow [2024-11-28 04:13:15,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 296 transitions, 749 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:15,033 INFO L231 Difference]: Finished difference. Result has 273 places, 287 transitions, 688 flow [2024-11-28 04:13:15,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=273, PETRI_TRANSITIONS=287} [2024-11-28 04:13:15,037 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -23 predicate places. [2024-11-28 04:13:15,037 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 287 transitions, 688 flow [2024-11-28 04:13:15,038 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) [2024-11-28 04:13:15,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:15,038 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] [2024-11-28 04:13:15,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:13:15,039 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:15,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:15,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1947617956, now seen corresponding path program 1 times [2024-11-28 04:13:15,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:15,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107200169] [2024-11-28 04:13:15,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:15,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:15,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107200169] [2024-11-28 04:13:15,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107200169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:15,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68396052] [2024-11-28 04:13:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:15,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:15,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:15,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:15,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:15,274 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 312 [2024-11-28 04:13:15,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 287 transitions, 688 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) [2024-11-28 04:13:15,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:15,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 312 [2024-11-28 04:13:15,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:18,004 INFO L124 PetriNetUnfolderBase]: 3809/21311 cut-off events. [2024-11-28 04:13:18,004 INFO L125 PetriNetUnfolderBase]: For 1121/1128 co-relation queries the response was YES. [2024-11-28 04:13:18,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30432 conditions, 21311 events. 3809/21311 cut-off events. For 1121/1128 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 290694 event pairs, 598 based on Foata normal form. 0/18400 useless extension candidates. Maximal degree in co-relation 14190. Up to 3606 conditions per place. [2024-11-28 04:13:18,181 INFO L140 encePairwiseOnDemand]: 285/312 looper letters, 50 selfloop transitions, 20 changer transitions 0/313 dead transitions. [2024-11-28 04:13:18,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 313 transitions, 882 flow [2024-11-28 04:13:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2024-11-28 04:13:18,185 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-11-28 04:13:18,185 INFO L175 Difference]: Start difference. First operand has 273 places, 287 transitions, 688 flow. Second operand 3 states and 792 transitions. [2024-11-28 04:13:18,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 313 transitions, 882 flow [2024-11-28 04:13:18,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 313 transitions, 870 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:18,226 INFO L231 Difference]: Finished difference. Result has 275 places, 305 transitions, 842 flow [2024-11-28 04:13:18,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=275, PETRI_TRANSITIONS=305} [2024-11-28 04:13:18,227 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -21 predicate places. [2024-11-28 04:13:18,228 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 305 transitions, 842 flow [2024-11-28 04:13:18,228 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) [2024-11-28 04:13:18,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:18,229 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] [2024-11-28 04:13:18,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:13:18,229 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:18,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:18,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1947648741, now seen corresponding path program 1 times [2024-11-28 04:13:18,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:18,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121192286] [2024-11-28 04:13:18,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:18,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:18,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:18,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121192286] [2024-11-28 04:13:18,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121192286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:18,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:18,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:18,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116523479] [2024-11-28 04:13:18,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:18,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:18,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:18,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:18,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:18,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 312 [2024-11-28 04:13:18,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 305 transitions, 842 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) [2024-11-28 04:13:18,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:18,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 312 [2024-11-28 04:13:18,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:23,300 INFO L124 PetriNetUnfolderBase]: 6418/33717 cut-off events. [2024-11-28 04:13:23,300 INFO L125 PetriNetUnfolderBase]: For 8651/9440 co-relation queries the response was YES. [2024-11-28 04:13:23,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55985 conditions, 33717 events. 6418/33717 cut-off events. For 8651/9440 co-relation queries the response was YES. Maximal size of possible extension queue 1093. Compared 493509 event pairs, 888 based on Foata normal form. 33/29813 useless extension candidates. Maximal degree in co-relation 20108. Up to 6061 conditions per place. [2024-11-28 04:13:23,536 INFO L140 encePairwiseOnDemand]: 285/312 looper letters, 56 selfloop transitions, 22 changer transitions 0/335 dead transitions. [2024-11-28 04:13:23,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 335 transitions, 1084 flow [2024-11-28 04:13:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2024-11-28 04:13:23,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-11-28 04:13:23,540 INFO L175 Difference]: Start difference. First operand has 275 places, 305 transitions, 842 flow. Second operand 3 states and 792 transitions. [2024-11-28 04:13:23,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 335 transitions, 1084 flow [2024-11-28 04:13:23,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 335 transitions, 1036 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:23,582 INFO L231 Difference]: Finished difference. Result has 277 places, 325 transitions, 992 flow [2024-11-28 04:13:23,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=992, PETRI_PLACES=277, PETRI_TRANSITIONS=325} [2024-11-28 04:13:23,583 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -19 predicate places. [2024-11-28 04:13:23,583 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 325 transitions, 992 flow [2024-11-28 04:13:23,584 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) [2024-11-28 04:13:23,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:23,584 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] [2024-11-28 04:13:23,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:13:23,585 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:23,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash 219249587, now seen corresponding path program 1 times [2024-11-28 04:13:23,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:23,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437679309] [2024-11-28 04:13:23,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:23,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:13:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:13:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:13:23,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437679309] [2024-11-28 04:13:23,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437679309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:13:23,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:13:23,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:13:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136351430] [2024-11-28 04:13:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:13:23,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:13:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:13:23,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:13:23,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:13:23,663 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 312 [2024-11-28 04:13:23,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 325 transitions, 992 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) [2024-11-28 04:13:23,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:13:23,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 312 [2024-11-28 04:13:23,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:13:30,229 INFO L124 PetriNetUnfolderBase]: 10690/46966 cut-off events. [2024-11-28 04:13:30,230 INFO L125 PetriNetUnfolderBase]: For 21051/23628 co-relation queries the response was YES. [2024-11-28 04:13:30,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89032 conditions, 46966 events. 10690/46966 cut-off events. For 21051/23628 co-relation queries the response was YES. Maximal size of possible extension queue 1634. Compared 698492 event pairs, 2672 based on Foata normal form. 265/41531 useless extension candidates. Maximal degree in co-relation 34224. Up to 12229 conditions per place. [2024-11-28 04:13:30,772 INFO L140 encePairwiseOnDemand]: 307/312 looper letters, 50 selfloop transitions, 6 changer transitions 0/344 dead transitions. [2024-11-28 04:13:30,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 344 transitions, 1189 flow [2024-11-28 04:13:30,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:13:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:13:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 806 transitions. [2024-11-28 04:13:30,776 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2024-11-28 04:13:30,776 INFO L175 Difference]: Start difference. First operand has 277 places, 325 transitions, 992 flow. Second operand 3 states and 806 transitions. [2024-11-28 04:13:30,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 344 transitions, 1189 flow [2024-11-28 04:13:30,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 344 transitions, 1139 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:13:30,838 INFO L231 Difference]: Finished difference. Result has 279 places, 330 transitions, 1008 flow [2024-11-28 04:13:30,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=948, 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=1008, PETRI_PLACES=279, PETRI_TRANSITIONS=330} [2024-11-28 04:13:30,840 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -17 predicate places. [2024-11-28 04:13:30,840 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 330 transitions, 1008 flow [2024-11-28 04:13:30,841 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) [2024-11-28 04:13:30,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:13:30,841 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] [2024-11-28 04:13:30,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:13:30,842 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE === [qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE, qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (and 112 more)] === [2024-11-28 04:13:30,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:13:30,843 INFO L85 PathProgramCache]: Analyzing trace with hash -126637603, now seen corresponding path program 1 times [2024-11-28 04:13:30,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:13:30,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310418050] [2024-11-28 04:13:30,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:13:30,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:13:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:13:30,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:13:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:13:30,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:13:30,963 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:13:30,964 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (114 of 115 remaining) [2024-11-28 04:13:30,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (113 of 115 remaining) [2024-11-28 04:13:30,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err7ASSERT_VIOLATIONDATA_RACE (112 of 115 remaining) [2024-11-28 04:13:30,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (111 of 115 remaining) [2024-11-28 04:13:30,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (110 of 115 remaining) [2024-11-28 04:13:30,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (109 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (108 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (107 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (106 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (105 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (104 of 115 remaining) [2024-11-28 04:13:30,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (103 of 115 remaining) [2024-11-28 04:13:30,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (102 of 115 remaining) [2024-11-28 04:13:30,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (101 of 115 remaining) [2024-11-28 04:13:30,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (100 of 115 remaining) [2024-11-28 04:13:30,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (99 of 115 remaining) [2024-11-28 04:13:30,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (98 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (97 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (96 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (95 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (94 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (93 of 115 remaining) [2024-11-28 04:13:30,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (92 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (91 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (90 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (89 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (88 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (87 of 115 remaining) [2024-11-28 04:13:30,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (86 of 115 remaining) [2024-11-28 04:13:30,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (85 of 115 remaining) [2024-11-28 04:13:30,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (84 of 115 remaining) [2024-11-28 04:13:30,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (83 of 115 remaining) [2024-11-28 04:13:30,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (82 of 115 remaining) [2024-11-28 04:13:30,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (81 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (80 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (79 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (78 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (77 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (76 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (75 of 115 remaining) [2024-11-28 04:13:30,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (74 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (73 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (72 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (71 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (70 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (69 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (68 of 115 remaining) [2024-11-28 04:13:30,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (67 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (66 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (65 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (64 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (63 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (62 of 115 remaining) [2024-11-28 04:13:30,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (61 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (60 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (59 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (58 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err0ASSERT_VIOLATIONDATA_RACE (54 of 115 remaining) [2024-11-28 04:13:30,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err1ASSERT_VIOLATIONDATA_RACE (53 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err2ASSERT_VIOLATIONDATA_RACE (52 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err3ASSERT_VIOLATIONDATA_RACE (51 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err8ASSERT_VIOLATIONDATA_RACE (50 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err4ASSERT_VIOLATIONDATA_RACE (49 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err5ASSERT_VIOLATIONDATA_RACE (48 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err6ASSERT_VIOLATIONDATA_RACE (47 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err11ASSERT_VIOLATIONDATA_RACE (46 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err12ASSERT_VIOLATIONDATA_RACE (45 of 115 remaining) [2024-11-28 04:13:30,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err9ASSERT_VIOLATIONDATA_RACE (44 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader1Err10ASSERT_VIOLATIONDATA_RACE (43 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (42 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (41 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (40 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (39 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (38 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (37 of 115 remaining) [2024-11-28 04:13:30,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (36 of 115 remaining) [2024-11-28 04:13:30,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (35 of 115 remaining) [2024-11-28 04:13:30,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (34 of 115 remaining) [2024-11-28 04:13:30,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (33 of 115 remaining) [2024-11-28 04:13:30,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (32 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (31 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (30 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr0ASSERT_VIOLATIONDATA_RACE (29 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr1ASSERT_VIOLATIONDATA_RACE (28 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr2ASSERT_VIOLATIONDATA_RACE (27 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr3ASSERT_VIOLATIONDATA_RACE (26 of 115 remaining) [2024-11-28 04:13:30,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr4ASSERT_VIOLATIONDATA_RACE (25 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr6ASSERT_VIOLATIONDATA_RACE (24 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr5ASSERT_VIOLATIONDATA_RACE (23 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr7ASSERT_VIOLATIONDATA_RACE (22 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr12ASSERT_VIOLATIONDATA_RACE (21 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr8ASSERT_VIOLATIONDATA_RACE (20 of 115 remaining) [2024-11-28 04:13:30,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr10ASSERT_VIOLATIONDATA_RACE (19 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr26ASSERT_VIOLATIONDATA_RACE (18 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr13ASSERT_VIOLATIONDATA_RACE (17 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr18ASSERT_VIOLATIONDATA_RACE (16 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr27ASSERT_VIOLATIONDATA_RACE (15 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr9ASSERT_VIOLATIONDATA_RACE (14 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr11ASSERT_VIOLATIONDATA_RACE (13 of 115 remaining) [2024-11-28 04:13:30,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr14ASSERT_VIOLATIONDATA_RACE (12 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr19ASSERT_VIOLATIONDATA_RACE (11 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr28ASSERT_VIOLATIONDATA_RACE (10 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr29ASSERT_VIOLATIONDATA_RACE (9 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr15ASSERT_VIOLATIONDATA_RACE (8 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr20ASSERT_VIOLATIONDATA_RACE (7 of 115 remaining) [2024-11-28 04:13:30,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr16ASSERT_VIOLATIONDATA_RACE (6 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr21ASSERT_VIOLATIONDATA_RACE (5 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr17ASSERT_VIOLATIONDATA_RACE (4 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr22ASSERT_VIOLATIONDATA_RACE (3 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr23ASSERT_VIOLATIONDATA_RACE (2 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr24ASSERT_VIOLATIONDATA_RACE (1 of 115 remaining) [2024-11-28 04:13:30,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_updaterErr25ASSERT_VIOLATIONDATA_RACE (0 of 115 remaining) [2024-11-28 04:13:30,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:13:30,985 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:13:31,112 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:13:31,112 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:13:31,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:13:31 BasicIcfg [2024-11-28 04:13:31,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:13:31,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:13:31,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:13:31,124 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:13:31,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:13:04" (3/4) ... [2024-11-28 04:13:31,126 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 04:13:31,271 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9. [2024-11-28 04:13:31,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:13:31,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:13:31,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:13:31,336 INFO L158 Benchmark]: Toolchain (without parser) took 29488.84ms. Allocated memory was 117.4MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 91.8MB in the beginning and 7.3GB in the end (delta: -7.3GB). Peak memory consumption was 918.7MB. Max. memory is 16.1GB. [2024-11-28 04:13:31,336 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:13:31,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.25ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 69.5MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:13:31,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.21ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:13:31,337 INFO L158 Benchmark]: Boogie Preprocessor took 50.09ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:13:31,338 INFO L158 Benchmark]: RCFGBuilder took 1766.93ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 32.9MB in the end (delta: 30.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-28 04:13:31,338 INFO L158 Benchmark]: TraceAbstraction took 26578.79ms. Allocated memory was 117.4MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 32.3MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 844.9MB. Max. memory is 16.1GB. [2024-11-28 04:13:31,339 INFO L158 Benchmark]: Witness Printer took 211.45ms. Allocated memory is still 8.3GB. Free memory was 7.4GB in the beginning and 7.3GB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:13:31,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.25ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 69.5MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.21ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.09ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1766.93ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 32.9MB in the end (delta: 30.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26578.79ms. Allocated memory was 117.4MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 32.3MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 844.9MB. Max. memory is 16.1GB. * Witness Printer took 211.45ms. Allocated memory is still 8.3GB. Free memory was 7.4GB in the beginning and 7.3GB in the end (delta: 21.0MB). 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] [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: 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. - 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. - 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: 26.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 45 mSDtfsCounter, 406 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=1008occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.7s 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! [2024-11-28 04:13:31,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58989015-4d15-4c7e-a95f-4322023f9806/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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)