/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/ldv-races/race-2_4b-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 16:36:51,869 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-09 16:36:51,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 16:36:51,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 16:36:51,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 16:36:51,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 16:36:51,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 16:36:51,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 16:36:51,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 16:36:51,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 16:36:51,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 16:36:51,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 16:36:51,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 16:36:51,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 16:36:51,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 16:36:51,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 16:36:51,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 16:36:51,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 16:36:51,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 16:36:51,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-09 16:36:51,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 16:36:51,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 16:36:51,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 16:36:51,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 16:36:51,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 16:36:51,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 16:36:51,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 16:36:51,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 16:36:51,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 16:36:51,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 16:36:51,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 16:36:51,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 16:36:51,944 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 16:36:51,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 16:36:51,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 16:36:51,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 16:36:51,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 16:36:51,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 16:36:51,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 16:36:51,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 16:36:51,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 16:36:51,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 16:36:51,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 16:36:51,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 16:36:51,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 16:36:51,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 16:36:51,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 16:36:51,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 16:36:51,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 16:36:51,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:36:51,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 16:36:51,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 16:36:51,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 16:36:51,949 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 16:36:51,949 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 16:36:51,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 16:36:52,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 16:36:52,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 16:36:52,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 16:36:52,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 16:36:52,193 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 16:36:52,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4b-container_of.i [2022-11-09 16:36:52,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f48ff0c/afe3dda35a9648a2b01567ccfe296a84/FLAG6ae93f5c9 [2022-11-09 16:36:52,787 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 16:36:52,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4b-container_of.i [2022-11-09 16:36:52,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f48ff0c/afe3dda35a9648a2b01567ccfe296a84/FLAG6ae93f5c9 [2022-11-09 16:36:53,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f48ff0c/afe3dda35a9648a2b01567ccfe296a84 [2022-11-09 16:36:53,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 16:36:53,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 16:36:53,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 16:36:53,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 16:36:53,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 16:36:53,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dd9097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53, skipping insertion in model container [2022-11-09 16:36:53,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 16:36:53,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 16:36:53,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4b-container_of.i[76077,76090] [2022-11-09 16:36:53,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:36:53,725 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 16:36:53,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4b-container_of.i[76077,76090] [2022-11-09 16:36:53,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:36:53,857 INFO L208 MainTranslator]: Completed translation [2022-11-09 16:36:53,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53 WrapperNode [2022-11-09 16:36:53,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 16:36:53,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 16:36:53,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 16:36:53,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 16:36:53,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,937 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-09 16:36:53,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 16:36:53,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 16:36:53,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 16:36:53,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 16:36:53,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:53,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:54,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:54,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:54,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 16:36:54,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 16:36:54,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 16:36:54,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 16:36:54,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (1/1) ... [2022-11-09 16:36:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:36:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:36:54,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-09 16:36:54,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-09 16:36:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 16:36:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 16:36:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-09 16:36:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 16:36:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-09 16:36:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 16:36:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 16:36:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-09 16:36:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-09 16:36:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 16:36:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 16:36:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 16:36:54,092 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 16:36:54,403 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 16:36:54,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 16:36:54,762 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 16:36:54,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 16:36:54,777 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 16:36:54,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:36:54 BoogieIcfgContainer [2022-11-09 16:36:54,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 16:36:54,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 16:36:54,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 16:36:54,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 16:36:54,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:36:53" (1/3) ... [2022-11-09 16:36:54,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6948b3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:36:54, skipping insertion in model container [2022-11-09 16:36:54,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:36:53" (2/3) ... [2022-11-09 16:36:54,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6948b3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:36:54, skipping insertion in model container [2022-11-09 16:36:54,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:36:54" (3/3) ... [2022-11-09 16:36:54,788 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4b-container_of.i [2022-11-09 16:36:54,795 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 16:36:54,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 16:36:54,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-09 16:36:54,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 16:36:54,908 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-09 16:36:54,963 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:36:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:36:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:36:54,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 16:36:54,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-09 16:36:54,991 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:36:55,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == my_callbackThread1of1ForFork0 ======== [2022-11-09 16:36:55,006 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a5c3ff4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:36:55,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-09 16:36:57,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:36:57,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:36:57,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1943125389, now seen corresponding path program 1 times [2022-11-09 16:36:57,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:36:57,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859041215] [2022-11-09 16:36:57,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:36:57,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:36:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:36:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:36:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:36:58,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859041215] [2022-11-09 16:36:58,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859041215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:36:58,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:36:58,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 16:36:58,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227721534] [2022-11-09 16:36:58,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:36:58,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:36:58,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:36:58,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:36:58,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:36:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:36:58,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:36:58,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:36:58,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:36:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:36:58,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 16:36:58,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:36:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:36:58,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1980587004, now seen corresponding path program 1 times [2022-11-09 16:36:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:36:58,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982104744] [2022-11-09 16:36:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:36:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:36:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:36:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:36:59,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:36:59,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982104744] [2022-11-09 16:36:59,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982104744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:36:59,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:36:59,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 16:36:59,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27571051] [2022-11-09 16:36:59,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:36:59,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:36:59,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:36:59,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:36:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:36:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:36:59,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:36:59,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:36:59,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:36:59,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:01,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 16:37:01,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:37:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:37:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1659111755, now seen corresponding path program 1 times [2022-11-09 16:37:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:37:01,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474149437] [2022-11-09 16:37:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:37:01,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:37:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:37:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:37:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:37:02,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474149437] [2022-11-09 16:37:02,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474149437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:37:02,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:37:02,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 16:37:02,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966708620] [2022-11-09 16:37:02,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:37:02,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:37:02,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:37:02,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:37:02,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:37:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:02,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:37:02,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:37:02,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:02,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:02,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:04,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 16:37:04,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:37:04,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:37:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1514937026, now seen corresponding path program 1 times [2022-11-09 16:37:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:37:04,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23160677] [2022-11-09 16:37:04,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:37:04,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:37:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:37:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:37:06,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:37:06,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23160677] [2022-11-09 16:37:06,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23160677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:37:06,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:37:06,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-09 16:37:06,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586651068] [2022-11-09 16:37:06,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:37:06,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-09 16:37:06,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:37:06,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-09 16:37:06,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-11-09 16:37:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:06,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:37:06,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.166666666666667) internal successors, (111), 19 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:37:06,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:06,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:06,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:06,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-09 16:37:07,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 16:37:07,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:37:07,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:37:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1517194076, now seen corresponding path program 1 times [2022-11-09 16:37:07,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:37:07,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677499089] [2022-11-09 16:37:07,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:37:07,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:37:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:37:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:37:08,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:37:08,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677499089] [2022-11-09 16:37:08,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677499089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:37:08,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:37:08,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-09 16:37:08,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399693416] [2022-11-09 16:37:08,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:37:08,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:37:08,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:37:08,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:37:08,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:37:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:08,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:37:08,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:37:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:08,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-09 16:37:08,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:37:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-09 16:37:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:37:09,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 16:37:09,572 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [my_callbackErr0ASSERT_VIOLATIONDATA_RACE, my_callbackErr1ASSERT_VIOLATIONDATA_RACE, my_callbackErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:37:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:37:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1031737877, now seen corresponding path program 1 times [2022-11-09 16:37:09,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:37:09,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466979261] [2022-11-09 16:37:09,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:37:09,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:37:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 16:37:09,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-09 16:37:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 16:37:09,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-09 16:37:09,720 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-09 16:37:09,721 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-11-09 16:37:09,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-11-09 16:37:09,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-11-09 16:37:09,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-09 16:37:09,728 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-09 16:37:09,729 INFO L307 ceAbstractionStarter]: Result for error location my_callbackThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/3) [2022-11-09 16:37:09,732 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 16:37:09,733 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 16:37:09,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:37:09 BasicIcfg [2022-11-09 16:37:09,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 16:37:09,811 INFO L158 Benchmark]: Toolchain (without parser) took 16757.60ms. Allocated memory was 197.1MB in the beginning and 297.8MB in the end (delta: 100.7MB). Free memory was 138.3MB in the beginning and 146.4MB in the end (delta: -8.1MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,812 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 158.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 16:37:09,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.09ms. Allocated memory was 197.1MB in the beginning and 247.5MB in the end (delta: 50.3MB). Free memory was 138.1MB in the beginning and 178.8MB in the end (delta: -40.7MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 247.5MB. Free memory was 178.8MB in the beginning and 174.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,813 INFO L158 Benchmark]: Boogie Preprocessor took 70.08ms. Allocated memory is still 247.5MB. Free memory was 174.0MB in the beginning and 169.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,813 INFO L158 Benchmark]: RCFGBuilder took 771.32ms. Allocated memory is still 247.5MB. Free memory was 169.8MB in the beginning and 134.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,813 INFO L158 Benchmark]: TraceAbstraction took 15028.98ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 133.1MB in the beginning and 146.4MB in the end (delta: -13.3MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. [2022-11-09 16:37:09,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 158.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 802.09ms. Allocated memory was 197.1MB in the beginning and 247.5MB in the end (delta: 50.3MB). Free memory was 138.1MB in the beginning and 178.8MB in the end (delta: -40.7MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 247.5MB. Free memory was 178.8MB in the beginning and 174.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.08ms. Allocated memory is still 247.5MB. Free memory was 174.0MB in the beginning and 169.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 771.32ms. Allocated memory is still 247.5MB. Free memory was 169.8MB in the beginning and 134.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 15028.98ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 133.1MB in the beginning and 146.4MB in the end (delta: -13.3MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4474, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 94, negative conditional: 28, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4455, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 75, negative conditional: 9, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4455, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 75, negative conditional: 9, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 15, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 13, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 13, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3936, positive: 3849, positive conditional: 11, positive unconditional: 3838, negative: 87, negative conditional: 13, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3936, positive: 3836, positive conditional: 0, positive unconditional: 3836, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 80, negative conditional: 13, negative unconditional: 67, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8035, positive: 88, positive conditional: 52, positive unconditional: 36, negative: 396, negative conditional: 47, negative unconditional: 348, unknown: 7551, unknown conditional: 0, unknown unconditional: 7551] ], Cache Queries: [ total: 4489, positive: 531, positive conditional: 8, positive unconditional: 523, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 3936, unknown conditional: 24, unknown unconditional: 3912] , Statistics on independence cache: Total cache size (in pairs): 3936, Positive cache size: 3849, Positive conditional cache size: 11, Positive unconditional cache size: 3838, Negative cache size: 87, Negative conditional cache size: 13, Negative unconditional cache size: 74, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 19 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 8.0s, Number of persistent set computation: 130, Number of trivial persistent sets: 121, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3904, positive: 3838, positive conditional: 0, positive unconditional: 3838, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4474, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 94, negative conditional: 28, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4455, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 75, negative conditional: 9, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4455, positive: 4380, positive conditional: 542, positive unconditional: 3838, negative: 75, negative conditional: 9, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 15, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 13, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4489, positive: 4380, positive conditional: 19, positive unconditional: 4361, negative: 109, negative conditional: 13, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3936, positive: 3849, positive conditional: 11, positive unconditional: 3838, negative: 87, negative conditional: 13, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3936, positive: 3836, positive conditional: 0, positive unconditional: 3836, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 80, negative conditional: 13, negative unconditional: 67, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8035, positive: 88, positive conditional: 52, positive unconditional: 36, negative: 396, negative conditional: 47, negative unconditional: 348, unknown: 7551, unknown conditional: 0, unknown unconditional: 7551] ], Cache Queries: [ total: 4489, positive: 531, positive conditional: 8, positive unconditional: 523, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 3936, unknown conditional: 24, unknown unconditional: 3912] , Statistics on independence cache: Total cache size (in pairs): 3936, Positive cache size: 3849, Positive conditional cache size: 11, Positive unconditional cache size: 3838, Negative cache size: 87, Negative conditional cache size: 13, Negative unconditional cache size: 74, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 19 - DataRaceFoundResult [Line: 1712]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1748] CALL, EXPR 0 my_drv_init() [L1742] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1748] RET, EXPR 0 my_drv_init() [L1748] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1749] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1750] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1751] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1752] CALL, EXPR 0 my_drv_probe(&data) [L1717] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1720] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1721] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1722] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=6, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 1 data->shared.b VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.b=0, dev={5:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 1 data->shared.b + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.b=0, dev={5:24}, t1={3:0}, t2={4:0}] [L1712] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1726] 0 return 0; VAL [\result=0, __mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1752] RET, EXPR 0 my_drv_probe(&data) [L1752] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1753] COND TRUE 0 probe_ret==0 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1754] CALL 0 my_drv_disconnect(&data) [L1732] 0 void *status; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, status={8:0}, t1={3:0}, t2={4:0}] [L1733] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, status={8:0}, t1={3:0}, t2={4:0}] [L1734] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.b=0, data->shared.b = 3=1160, data->shared.b = data->shared.b + 1=1167, dev={5:24}, status={8:0}, t1={3:0}, t2={4:0}] [L1712] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.b=0, data->shared.b = data->shared.b + 1=1167, dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 1 [1711] * C: data->shared.a = 0 [1719] * C: data->shared.a = 1 [1711] * C: data->shared.a = 0 [1719] * C: data->shared.b + 1 [1712] * C: data->shared.b = 0 [1720] * C: data->shared.a = 3 [1733] * C: data->shared.a = 1 [1711] * C: data->shared.b + 1 [1712] * C: data->shared.b = 3 [1734] * C: data->shared.a = 3 [1733] * C: data->shared.a = 0 [1719] * C: data->shared.b + 1 [1712] * C: data->shared.b = 0 [1720] * C: data->shared.a = 3 [1733] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.b + 1 [1712] * C: data->shared.a = 1 [1711] * C: data->shared.b = 0 [1720] * C: data->shared.a = 3 [1733] and C: data->shared.b = data->shared.b + 1 [1712] - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: my_callbackThread1of1ForFork0 with 1 thread instances CFG has 4 procedures, 362 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 4.4s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 2627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-09 16:37:09,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-09 16:37:10,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...