/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_ERROR_LOCATION -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/goblint-regression/04-mutex_50-funptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 21:35:31,795 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-09 21:35:31,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 21:35:31,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 21:35:31,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 21:35:31,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 21:35:31,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 21:35:31,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 21:35:31,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 21:35:31,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 21:35:31,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 21:35:31,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 21:35:31,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 21:35:31,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 21:35:31,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 21:35:31,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 21:35:31,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 21:35:31,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 21:35:31,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 21:35:31,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 21:35:31,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 21:35:31,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 21:35:31,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 21:35:31,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 21:35:31,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 21:35:31,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 21:35:31,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 21:35:31,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 21:35:31,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 21:35:31,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 21:35:31,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 21:35:31,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 21:35:31,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 21:35:31,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 21:35:31,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 21:35:31,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 21:35:31,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 21:35:31,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 21:35:31,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 21:35:31,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 21:35:31,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 21:35:31,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 21:35:31,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 21:35:31,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 21:35:31,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 21:35:31,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 21:35:31,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 21:35:31,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 21:35:31,887 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 21:35:31,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 21:35:31,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 21:35:31,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 21:35:31,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 21:35:31,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 21:35:31,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 21:35:31,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 21:35:31,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 21:35:31,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 21:35:31,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 21:35:31,890 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 21:35:31,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 21:35:32,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 21:35:32,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 21:35:32,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 21:35:32,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 21:35:32,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 21:35:32,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-11-09 21:35:32,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c481ddd/d219baa8183d48d4b4b366dd69e13b46/FLAGe8a4b9032 [2022-11-09 21:35:32,552 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 21:35:32,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-11-09 21:35:32,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c481ddd/d219baa8183d48d4b4b366dd69e13b46/FLAGe8a4b9032 [2022-11-09 21:35:32,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c481ddd/d219baa8183d48d4b4b366dd69e13b46 [2022-11-09 21:35:32,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 21:35:32,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 21:35:32,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 21:35:32,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 21:35:32,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 21:35:32,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:32" (1/1) ... [2022-11-09 21:35:32,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbfae40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:32, skipping insertion in model container [2022-11-09 21:35:32,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:32" (1/1) ... [2022-11-09 21:35:32,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 21:35:32,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 21:35:32,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 21:35:32,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 21:35:33,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 21:35:33,080 INFO L208 MainTranslator]: Completed translation [2022-11-09 21:35:33,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33 WrapperNode [2022-11-09 21:35:33,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 21:35:33,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 21:35:33,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 21:35:33,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 21:35:33,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,129 INFO L138 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-09 21:35:33,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 21:35:33,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 21:35:33,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 21:35:33,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 21:35:33,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 21:35:33,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 21:35:33,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 21:35:33,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 21:35:33,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (1/1) ... [2022-11-09 21:35:33,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 21:35:33,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 21:35:33,196 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 21:35:33,244 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 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 21:35:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-09 21:35:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-09 21:35:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 21:35:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 21:35:33,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 21:35:33,268 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 21:35:33,444 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 21:35:33,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 21:35:33,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 21:35:33,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 21:35:33,594 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 21:35:33,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:33 BoogieIcfgContainer [2022-11-09 21:35:33,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 21:35:33,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 21:35:33,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 21:35:33,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 21:35:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:35:32" (1/3) ... [2022-11-09 21:35:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489255c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:33, skipping insertion in model container [2022-11-09 21:35:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:33" (2/3) ... [2022-11-09 21:35:33,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489255c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:33, skipping insertion in model container [2022-11-09 21:35:33,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:33" (3/3) ... [2022-11-09 21:35:33,602 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2022-11-09 21:35:33,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 21:35:33,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 21:35:33,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-09 21:35:33,615 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 21:35:33,651 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-09 21:35:33,684 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 21:35:33,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 21:35:33,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 21:35:33,686 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 21:35:33,696 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 21:35:33,718 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 21:35:33,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-09 21:35:33,732 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;@45258352, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 21:35:33,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 21:35:33,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 21:35:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 21:35:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2005149439, now seen corresponding path program 1 times [2022-11-09 21:35:33,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 21:35:33,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280621166] [2022-11-09 21:35:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 21:35:33,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 21:35:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 21:35:34,080 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 21:35:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 21:35:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280621166] [2022-11-09 21:35:34,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280621166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 21:35:34,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 21:35:34,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 21:35:34,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187568111] [2022-11-09 21:35:34,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 21:35:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 21:35:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 21:35:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 21:35:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 21:35:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 21:35:34,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 21:35:34,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 21:35:34,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 21:35:34,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 21:35:34,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 21:35:34,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 21:35:34,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 21:35:34,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1945059970, now seen corresponding path program 1 times [2022-11-09 21:35:34,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 21:35:34,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557572780] [2022-11-09 21:35:34,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 21:35:34,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 21:35:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 21:35:34,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-09 21:35:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 21:35:34,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-09 21:35:34,196 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-09 21:35:34,197 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 21:35:34,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 21:35:34,202 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-09 21:35:34,204 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was UNSAFE (1/5) [2022-11-09 21:35:34,206 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 21:35:34,207 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 21:35:34,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:35:34 BasicIcfg [2022-11-09 21:35:34,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 21:35:34,230 INFO L158 Benchmark]: Toolchain (without parser) took 1636.01ms. Allocated memory was 183.5MB in the beginning and 259.0MB in the end (delta: 75.5MB). Free memory was 152.0MB in the beginning and 149.3MB in the end (delta: 2.7MB). Peak memory consumption was 78.4MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,230 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 183.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 21:35:34,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.66ms. Allocated memory was 183.5MB in the beginning and 259.0MB in the end (delta: 75.5MB). Free memory was 151.7MB in the beginning and 210.6MB in the end (delta: -58.8MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 259.0MB. Free memory was 210.6MB in the beginning and 208.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,231 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 259.0MB. Free memory was 208.0MB in the beginning and 206.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,232 INFO L158 Benchmark]: RCFGBuilder took 437.63ms. Allocated memory is still 259.0MB. Free memory was 206.4MB in the beginning and 192.3MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,232 INFO L158 Benchmark]: TraceAbstraction took 632.66ms. Allocated memory is still 259.0MB. Free memory was 191.7MB in the beginning and 149.3MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-11-09 21:35:34,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 183.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.66ms. Allocated memory was 183.5MB in the beginning and 259.0MB in the end (delta: 75.5MB). Free memory was 151.7MB in the beginning and 210.6MB in the end (delta: -58.8MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 259.0MB. Free memory was 210.6MB in the beginning and 208.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 259.0MB. Free memory was 208.0MB in the beginning and 206.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 437.63ms. Allocated memory is still 259.0MB. Free memory was 206.4MB in the beginning and 192.3MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 632.66ms. Allocated memory is still 259.0MB. Free memory was 191.7MB in the beginning and 149.3MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 335, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 335, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 304, positive conditional: 1, positive unconditional: 303, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 39, positive conditional: 1, positive unconditional: 38, negative: 37, negative conditional: 3, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 337, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 312, unknown conditional: 2, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 304, Positive conditional cache size: 1, Positive unconditional cache size: 303, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 40, Number of trivial persistent sets: 36, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 309, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 335, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 335, positive: 328, positive conditional: 25, positive unconditional: 303, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337, positive: 328, positive conditional: 1, positive unconditional: 327, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 304, positive conditional: 1, positive unconditional: 303, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 39, positive conditional: 1, positive unconditional: 38, negative: 37, negative conditional: 3, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 337, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 312, unknown conditional: 2, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 304, Positive conditional cache size: 1, Positive unconditional cache size: 303, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 2 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; VAL [={-1:0}] [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}] [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}, mutex2={2:0}] [L929] 0 pthread_t id; VAL [={-1:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L924] 1 fp = f2 VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, id={3:0}, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE with 1 thread instances CFG has 3 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 21:35:34,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-09 21:35:34,487 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...